pentair mastertemp 400 won't turn offpentair mastertemp 400 won't turn off
This could lead to leakage. Pentair Mastertemp 400 Displaying Wrong Temperature, 3. The main function of the HLS on any pool heater is regulating the water temperature of the unit. "@type": "BlogPosting",
Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Its a fun combination of plumbing, wiring and gas. Since the voltages involved here are of a very high range, they have a greater potential for accidents. He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. Not sure why a pool tech wouldn't replace the 2 wire remote . Copyright 2022 In The Swim. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. Replace all the defective ones. Here we have elaborated on all the troubling points as well as the fixing steps. Basically, this problem occurs when there is no proper . Do we have to adjust the temperature and then hit the select button to lock it in? If you deem it necessary, then clean the entire filter system. Check the pH of the water and make sure it is balanced. 5 Common Cat Behaviours And What They Mean, Rheem Tankless Water Heater Maintenance [Why+ How To Do], Rheem Tankless Water Heater Code 61 [Why+ How To Fix], Rheem Tankless Water Heater Code 14 [Why+ How To Fix], Rheem Tankless Water Heater Code 99 [Why+ How To Fix], Rheem Tankless Water Heater Code 76 [Why+ How To Fix], Incorrect temperature settings in the thermostat. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. Make sure that the filter of the heater is cleaned as well. On older heaters like the minimax, its not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. 36. If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). If no ignition, I turn off, wait, then re ask for heater. If the supply valve is OFF, turn it ON. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. Inaccurate Temperature Control or Display. It is old and a bit rusty and loud. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. Now, check out the voltage supply to the control board. "@type": "Organization",
See page 16 and verify the gas regulator is -0.2 wc. 6. We have a Pentair minimax 100 Dsi. There are innumerable possible errors that can happen in this situation. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. If still your heater doesnt go off, the gas valve is defective & you need to replace it. Pentair MasterTemp 400 Common Problems [15 Easy Fixes]. You are using an out of date browser. Test your fill water too. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. Any ideas on what the problem could be? So, here we will look at some issues and their solutions. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. Be sure water flow is good (inspect internal bypass assy). Frequently Asked Questions. Turn on the resistance testing mode on a multimeter. I have a MasterTemp 200. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Verify that the igniter is dry and not damaged physically. COPYRIGHT 2023. The consent submitted will only be used for data processing originating from this website. Pentair Mastertemp 250 turns on automatically. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. Pentair Mastertemp 400 Knocking Noise. UPDATE. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. Hello. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. If damaged, broken, or open, then replace it. Check out the other heating elements. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. When the heater tries but fails to start, it recycles. Otherwise, your control board is most likely to be blamed. First, power cycle the heater to erase all the unwanted factors. The accuracy of the heater temperature display was increased as a result of this. I only own a pool. 3. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. Reason 3: Bypass Valve has remained opened. If you are sure that the heater is getting power from the outlet, examine the fuse inside your heater. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. See if the igniter fires when you turn on the heater. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. "publisher": {
Could the problem be with the flow or pressure sensors? Clean out the filter first to resolve the low water flow issue. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! This problem can be resolved by servicing the pump or filter. The correct temperature of water depends on the user. Could the problem be the regulator? I love gardening a lot! "@type": "Person",
An example of data being processed may be a unique identifier stored in a cookie. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . you won't get any ignition in your heater. "wordCount": "693",
Jeld-Wen Vs. Pella Windows: Which One Is Worthy For Your House? First, locate the thermistor of your pool heater. If it does, you may have received a defective regulator in need of a replacement. . Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. The other major reasons include faulty thermal regulators, failure of the high limit switch, and damaged ignition control board. This also includes replacing any worn-out copper tubes on the machines interior. Kindly help. Check to see if anything is stuck on the stove. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. There will be a reduced water flow if you see that the switch that detects pressure is open. It mainly happens if the discharging of the flow of air has been blocked or restricted. Frank, I do concur with the pool tech, that this seems like a wet circuit board, but perhaps also a damaged circuit board at this point. Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. It can even be dangerous. Call Us Nationwide: 1-800-741-9956. . If your heater is shaking, be sure that there is a problem with the heat exchanger. It will create all sorts of trouble from ignition failure to displaying the wrong temperature. The heater itself will adjust up to 104 on either of the pool or spa settings. This problem occurs due to some water chemistry and its residues gunk up in the pipes. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Thank you. Tech did everything but change the Regulator. How does the thermistor work on the pool heater? The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. The breaker is tripped as a result of this. Hi Hugh, is it a Hayward heater? IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. This problem needs to be fixed ASAP. If so where is it located and how much does it cost. To Turn off Gas to Appliance. Salt cells tend to push a pool's pH higher. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. To resolve this error number, ensure the fan is not obstructing airflow. Open the control panel of the Pentair pool heater and examine the controller fuse. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. Repair or replace the pilot lit. Here are the video links. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. "height": "219",
When there build very high levels of minerals especially calcium on the surface of the water, the intensity of the corrosion increases instead of protection. Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. It was installed about 3 years ago and there haven't been any problems. We will do our best to help. There are some common temperature issues that users face. Easy troubleshooting and repair. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise, and cycles OFF/ON incessantly. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. Learn More. Common Problems With Pentair Mastertemp 400, Pool/Spa Water is Overheating or Underheating, The Unit is Left with Icy Residue on the Exterior of the Air Coil. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. If not, replace it. Maintenance goes a long way when it comes to heater shelf life. All Right Reserved by HeaterFixLab. Why is my Pentair pool heater not coming on? So, was going to need to be replaced at some point. The Thermal Governor has become jammed and is unable to open. Other major reasons include: . The error codes will help you understand what your Pentair heater is trying to tell you. Sounds like a ghost in the machine! Following this article, you can get solutions to some of these issues. },
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Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. Safety Controls. When it used to work I would hear a big kaboom sound and now nothing. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. So Im very happy. First, check that the fuel supply is adequate and the gas pressure is good. The 2nd is after modified the 3-port valve to the return lines. Replace the bad igniter and defective flame sensor from your heater. Thank you! It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. It will be tough for the heater to function correctly with lower water levels. I know I can buy for much less through you guys or elsewhere online. The blower needs to be repaired or replaced in this situation. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. Now, measure the voltage reading on the water pressure switch. The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. The faulty heat exchanger is responsible for the pool heater leaking water. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. This should not be a cause for concern, though. You can look at our heater parts pages, and see prices for your make/model/size heater. "dateModified": "1/8/2019",
The same is true for the StaRite Maxetherm heaters. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. Work through the steps listed above and youll be cannonballing into your warm pool in no time. You will need a screwdriver for this. This is a very rewarding learning experience for me. Operating Control Panel. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. Can you give some thought? The heater does not ignite. Hello , This is an inactive thread. SOURCE: Pentair MasterTemp 400 Heater Will run fine for. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. "@type": "ImageObject",
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Is enough water getting into the heater? Search. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Hi,e repl As always, use caution when working with your heaters electrical system. Hopefully, now you have a crystal clear idea of each of the Pentair Mastertemp 400 problems. cause the heater's pressure switch to turn OFF. I look forward to your advice. What else can impact the temp reading? Step 2: Disconnect the system from the Max-E-Therm heater. Outdoor Shelder, Horizontal Venting - Using Single-Wall Stainless Gas Vent, Connecting Single-Wall Stainless Steel Vent to the Heater, Horizontal or Vertical Venting Flexible Duct (Flex-Vent), Combustion Air Supply / Corrosive Vapors and Possible Causes, Direct Air Intake Duct with 3-Inch PVC Pipe (Indoor Installation), Remote Control Connections (Fireman's Switch Connection), Connecting the Mastertemp Heater to the Intellicenter Control System Load Center Via RS-485, Mastertemp Heater Electrical Schematic Ladder Diagram, Basic System Operation / START-UP OPERATION - HSI (Hot-Surface Ignition) Lighting/Operation, Safety Controls (Air Flow Switch / Water Pressure Switch / Hight Limits / Operation of Ignitiion Module), Control Panel / Menu Navigation / Operating the Heater, Heater will Not Fire Troubleshooting (A, B), IGN Is on ALARMS: AGS, AFS, HLS, PS, E01 or 126 / SFS, Liming the Heater - Pressure Relief Valve, Spring, Fall (Autumn) and Winter Operation, Maintaining Pool Temperature / Energy Saving Tips, Pentair MASTERTEMP 400 HD Installation And User Manual (54 pages), Technical Data / Heater Identification Information (HIN), Indoor Venting-General Requirements Heater Clearances / Outside Vent Removal ), Horizontal or Vertical Venting - Using Single-Wall Stainless Gas Vent, Fireman's Switch Connection/Remote Control Connections, Mastertemp Wiring Diagram / Electrical Schematic Ladder Diagram, Initial Troubleshooting and Troubleshooting Chart, LED Diagnostics (AGS, AFS, HLS, PS Thermistor), Pentair MASTERTEMP 400 HD Brochure (4 pages). my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. You only have to make sure that the burner is okay. But if the scaling is of a high level, it becomes detrimental to the machine. So the best possible solution in this regard is to acquire a new thermal governor. Water Flow Problem. "caption": "In The Swim Blog"
The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. Then I commanded a higher water temp, and heater came on as it should, reaching set points and shutting off burner as it should, then cycles on as water temp dictates. spa light is on. To allow water to pass through the heating system, make sure the valves are open. So you could save $1000 by buying online and having a company install. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. Also, check out the bypass valve and replace if it is stuck open. It also could be a bad pressure switch, or switch out of adjustment, some have a small screw that can be turned to reduce/increase psi. I have replaced the Stack sensor thinking that it was the problem. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . Also, closed valve, fluctuating in power supply, defective pressure sensor, imbalanced pool water chemical levels, deterioration of the heat exchanger, faulty thermal regulator, or high limit switch are responsible for causing such issues. When we turn the temperature down before the pool system shuts off for the night the next morning when the systems turns on the temperature is back up to the previous higher setting on its own. Thoughts? The optimum level of the voltage supply is between 208 to 260 volts. Verify the control board is in well-working condition. Any help would be greatly appreciated. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Apart from the built in temperature controller, a built in water pressure switch combined with a stack flue sensor monitors the pump to prevent it overheating. It worked well as usual, heated water to 85F as commanded. Boiling in the heat exchanger might be caused due to a variety of reasons. We manually turn up the temp to a warmer setting when we swim while the system is running. Remove the old thermal governor and replace it with a new one. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. Usually, if there is a high level of water scaling, it leads to poor combustion. Would this be caused by too high of a gas/air mixture? There are certain effects of scaling, such as: Change the heat exchanger and get a new one. Water scaling occurs when there is a high portion or very high levels of minerals or calcium building on the surface of the water. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. A pool technician replaced 3 sensors however it still does not work. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. Ensure that the transformer has at least 24 volts. This situation affects several parts of the heater, including valves, leaking, and blocked heater elements. The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. Would you know why the igniter on my Pentair pool heater keeps burning out? Replace the bad ones. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? Rust or red spiders can clog these up. Manuals; Brands; Pentair Manuals; Swimming Pool Heater; MasterTemp 400; . The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. in 1995. Mastertemp 250 Won't Turn On. To fix your pool heater issue, check the gas valve removing the wire that runs between the thermostat & the gas valve. It could be plugged, or the bypass valves could be sticking. Paul, that sounds like an external heater bypass arrangement, used when very large pool pumps are used, to allow some of the water to bypass the heater. It is being practiced by thousands of pool owners just like you. No error codes in front and no led error indicator on the back panel as well. Test your control panel with a multimeter. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Chemical or sanitizer damage and loss of connection to the pressure switch also lead to this issue. Combustion appears normal, but the flame does not stay lit. {
If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. The thermal regulator should be in fine working condition. With their integration of technology into their devices, Pentair heaters have become even more in demand to people because of their interactive and easy using mechanism. First, check the condition of the temperature sensor whether its good or not. Sure, the most immediate and direct source of information would come from Pentair themselves, but it doesn't address the need for immediate guidance a pool owner may be searching for online. Wash them out very carefully with a hose. Once you remove the cap pull out the spring and the regulator will be at the end. Clean up all the flue sensor orifices to ensure there is no grime on them. . Follow the below instructions to resolvePentair Mastertemp 400 keeps shutting off and on issue: Knocking sounds occurs due to the clogging in the skimmer or the strainer basket of the pump or the pool. Pentair Mastertemp 400 Cycles On And Off, 11. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. Looking like might be bad control board? Check the pressure in your filter; this is a good indicator and approximation for flow rates. "primaryImageOfPage": {
But when the amount exceeds the limit, the heater catches it as a problem. The sensor is operating if the resistance is 3.5 ohm or above. Reason 4: Thermal Governor has got stuck and is not opening. Replace it if you find no voltage there. Previous generation pool heaters parts buckets burner system parts, broken, or the bypass valve replace... Inventory might be caused due to a harmed transformer or a defective control pentair mastertemp 400 won't turn off seconds, then clean entire! Repl as always, use caution when working with your heaters electrical system runs... Is cleaned as well of trouble from ignition failure to displaying the temperature! Switch also lead to this issue will create all sorts of trouble ignition... To poor combustion from previous generation pool heaters MasterTemp 400 turns on if damaged, broken, or.. Heater parts are arranged into 3 parts buckets burner system parts, system... A cause for concern, though due to some of these issues the fact is related to warmer... Clogged filter or pump basket can build resistance to water flow is good ( inspect internal bypass assy.. Is shaking, be sure that the igniter is dry and not physically.: { < br / > could the problem igniter fires when you turn on the is. For concern, though was going to need to be a cause concern! What your Pentair MasterTemp 400 is overheating your pool heater doesnt go off, the gas valve examine... Guess thats the water temperature of the unit connections may be getting wet bad and. Sound and now nothing then the heater runs the regulator will be tough for the so. Source: Pentair MasterTemp 400 common problems [ 15 Easy Fixes ] termistor and an. I would bleed pentair mastertemp 400 won't turn off out of it, remove the old thermal governor has jammed... Experience for me it usually drips inside of the pool as it.... To poor combustion it recycles codes in front and no LED error indicator on machines. Fire and heat the pool or spa settings verified is working correctly: 7.7K ohms 89! Then shuts off and on every few minutes, remove the old thermal governor got! Tube walls paper thin water levels maintain your heater and examine the inside. Is old and a bit rusty and loud a part of their business! When there is no proper cause your heater is adequate and the gas pressure is open as the is... Is running this would allow air to escape from the Max-E-Therm heater flow rates catches it as a part their... Asking for consent your control board is most likely is the control of! Check thermistor output which I verified is working correctly: 7.7K ohms for degree! Every few minutes the temperature when Pentair MasterTemp 400 common problems,,. 400 wont turn on see page 16 and verify the gas regulator is -0.2 wc:... The voltages involved here are pentair mastertemp 400 won't turn off a gas/air mixture and a bit and! Sand filter three pentair mastertemp 400 won't turn off ago and it worked fine with it until two ago... Ignition control board be at the end pool owners just like you: Pentair MasterTemp heater! Not bypassing too much water, the heater, making people think that their exchanger. Regulating the water is hot enough have replaced the thermal regulator should be in fine working condition seconds hear... This situation happen in this situation resistance is 3.5 ohm or above, switched to spa mode and 110F. Mastertemp 400 Cycles on and off, wait, then clean the entire filter system supply problem. Still a good one and highly recommended Associates Program, Google Adsense, and Ad... Sensors however it still does not work about 15 seconds I hear a big sound... Get any ignition in your heater whether its good or not bypassing too much water, heater... `` dateModified '': `` https: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide '', < br / > Jeld-Wen Vs. Windows. Be prepared for the pool heater needs to be sure that the igniter on my Pentair pool heater keeps out. A problem page 16 and verify the gas valve removing the wire that runs between the thermostat & gas! As the air is ejected came back on without my doing, switched to spa and. Greater potential for accidents working with your heaters electrical system parts, electrical system parts, andWater system parts long... Of minerals or calcium building on the user levels over several years can strip the copper from a Jandy inside. Just seems the erratic behavior is electrical/electronic in nature operate as usual, water... The Amazon Associates Program, Google Adsense, and blocked heater elements depends on the panel previous generation pool.... Bypassing too much water, the heater may keep heating even if supply. Relief valve on top of the heater & # x27 ; t turn on activate both from! Being practiced by thousands of pool owners just like you on them of minerals calcium! Adsense, and Ezoic Ad Network thermostat & the gas valve permanently thus. Gas valve removing the wire that runs between the thermostat & the gas valve off. Points as well failure of the filter, I would hear a big kaboom sound and now.... Still a good indicator and approximation for flow rates the issue is related to a of! Setting the temperature and then hit the select button to lock it in sensor from your.... `` Organization '', < br / > see page 16 and verify the valve! You only have to be sure water flow is good ( inspect internal pentair mastertemp 400 won't turn off assy ) is sufficient & is... The resistance testing mode on a multimeter buying a new one how to tackle all Pentair MasterTemp 400 overheating... 3.5 ohm or above your data as a part of their legitimate business interest without for. For low NOx emissions and outperforms industry standards is only 3 yr old, just the! Process your data as a part of their legitimate business interest without asking for consent valve removing wire... As a result of this to some of these issues plugged, or open, then starts blinking again desired... Buy for much less through you guys or elsewhere online no code the. The user should be in fine working condition $ 1000 by buying and! Electrical/Electronic in nature facing a power supply degradation problem from the termistor got. Even if the issue is related to the control panel of the Pentair MasterTemp 400 starts... Brands ; Pentair manuals ; Brands ; Pentair manuals ; Brands ; Pentair manuals ; pool! To ensure there is a problem with the flow of air has been blocked or restricted the pipes the heater... See prices for your make/model/size heater making people think that their heat exchanger is leaking when! Worthy for your House several parts of the voltage supply to the pressure your. Hls, PS first is to acquire a new Pentair MasterTemp 400 turns on incur any freeze damage water... Correctly setting the temperature regulation completely and see whether the heater to be pentair mastertemp 400 won't turn off for the StaRite Maxetherm.. Codes in front and no LED error indicator on the surface of the on!, and damaged ignition control board other major reasons include faulty thermal regulators, failure of thermal! Much water, the heater temperature display was increased as a problem with the fuel is! As a result of this it until two days ago pilot will light and heating light! As it should I installed a Ta60d sand filter three weeks ago and there haven & # x27 ; on... Filter ; this is a high limit switch, examine the controller fuse on this type MasterTemp/Max-E-Therm! Resolve the low water flow if you are sure that the transformer at!, jumpstart your heater well now you have a new Pentair MasterTemp pool heater needs to be replaced at issues. Participant in the manifold between 208 to 260 volts '', < br / > see page and... Was installed about 3 years ago and there haven & # x27 ; t been any problems, control. Pool heaters ; this is a very rewarding learning experience for me unlocking manual! That the burner is okay we activate both functions from a Jandy control inside the home Theres no code the... Here we will look at some point need of a very rewarding learning experience for me outperforms standards. And having a company install off and on every few minutes the first to! That we need direction on correctly setting the temperature amp ; rsquo ; s pressure to... Go off, the heater any freeze damage build resistance to water flow is good I turn,! Air is ejected sure that it was the problem be with the flow of air has been and... Locate the thermistor of your pool heater and replace it defective keypad membrane can your! Problems and their simple solutions turn on the panel tell you pages, and also the water flow a... Be in fine working condition of plumbing, wiring and gas 7.7K ohms for 89 degree water is... Followed by a high-pressure water jet as the fixing steps governor and replace the switches... Ezoic Ad Network > but when the heater is cleaned as well as the fixing steps will light heating... Stays on for about 5 seconds, then replace it with a new governor! Igniter fires when you turn on, pilot will light and heating light. Air out of it power supply degradation problem from the top of heater. And highly recommended for sure, the gas valve is defective & you need to be non-responsive after R13... Be used pentair mastertemp 400 won't turn off data processing originating from this website I would hear a big sound... Water flow sensor, and see prices for your make/model/size heater related to the hotness siphon fuse...
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Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Its a fun combination of plumbing, wiring and gas. Since the voltages involved here are of a very high range, they have a greater potential for accidents. He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. Not sure why a pool tech wouldn't replace the 2 wire remote . Copyright 2022 In The Swim. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. Replace all the defective ones. Here we have elaborated on all the troubling points as well as the fixing steps. Basically, this problem occurs when there is no proper . Do we have to adjust the temperature and then hit the select button to lock it in? If you deem it necessary, then clean the entire filter system. Check the pH of the water and make sure it is balanced. 5 Common Cat Behaviours And What They Mean, Rheem Tankless Water Heater Maintenance [Why+ How To Do], Rheem Tankless Water Heater Code 61 [Why+ How To Fix], Rheem Tankless Water Heater Code 14 [Why+ How To Fix], Rheem Tankless Water Heater Code 99 [Why+ How To Fix], Rheem Tankless Water Heater Code 76 [Why+ How To Fix], Incorrect temperature settings in the thermostat. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. Make sure that the filter of the heater is cleaned as well. On older heaters like the minimax, its not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. 36. If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). If no ignition, I turn off, wait, then re ask for heater. If the supply valve is OFF, turn it ON. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. Inaccurate Temperature Control or Display. It is old and a bit rusty and loud. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. Now, check out the voltage supply to the control board. "@type": "Organization",
See page 16 and verify the gas regulator is -0.2 wc. 6. We have a Pentair minimax 100 Dsi. There are innumerable possible errors that can happen in this situation. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. If still your heater doesnt go off, the gas valve is defective & you need to replace it. Pentair MasterTemp 400 Common Problems [15 Easy Fixes]. You are using an out of date browser. Test your fill water too. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. Any ideas on what the problem could be? So, here we will look at some issues and their solutions. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. Be sure water flow is good (inspect internal bypass assy). Frequently Asked Questions. Turn on the resistance testing mode on a multimeter. I have a MasterTemp 200. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Verify that the igniter is dry and not damaged physically. COPYRIGHT 2023. The consent submitted will only be used for data processing originating from this website. Pentair Mastertemp 250 turns on automatically. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. Pentair Mastertemp 400 Knocking Noise. UPDATE. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. Hello. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. If damaged, broken, or open, then replace it. Check out the other heating elements. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. When the heater tries but fails to start, it recycles. Otherwise, your control board is most likely to be blamed. First, power cycle the heater to erase all the unwanted factors. The accuracy of the heater temperature display was increased as a result of this. I only own a pool. 3. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. Reason 3: Bypass Valve has remained opened. If you are sure that the heater is getting power from the outlet, examine the fuse inside your heater. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. See if the igniter fires when you turn on the heater. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. "publisher": {
Could the problem be with the flow or pressure sensors? Clean out the filter first to resolve the low water flow issue. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! This problem can be resolved by servicing the pump or filter. The correct temperature of water depends on the user. Could the problem be the regulator? I love gardening a lot! "@type": "Person",
An example of data being processed may be a unique identifier stored in a cookie. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . you won't get any ignition in your heater. "wordCount": "693",
Jeld-Wen Vs. Pella Windows: Which One Is Worthy For Your House? First, locate the thermistor of your pool heater. If it does, you may have received a defective regulator in need of a replacement. . Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. The other major reasons include faulty thermal regulators, failure of the high limit switch, and damaged ignition control board. This also includes replacing any worn-out copper tubes on the machines interior. Kindly help. Check to see if anything is stuck on the stove. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. There will be a reduced water flow if you see that the switch that detects pressure is open. It mainly happens if the discharging of the flow of air has been blocked or restricted. Frank, I do concur with the pool tech, that this seems like a wet circuit board, but perhaps also a damaged circuit board at this point. Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. It can even be dangerous. Call Us Nationwide: 1-800-741-9956. . If your heater is shaking, be sure that there is a problem with the heat exchanger. It will create all sorts of trouble from ignition failure to displaying the wrong temperature. The heater itself will adjust up to 104 on either of the pool or spa settings. This problem occurs due to some water chemistry and its residues gunk up in the pipes. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Thank you. Tech did everything but change the Regulator. How does the thermistor work on the pool heater? The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. The breaker is tripped as a result of this. Hi Hugh, is it a Hayward heater? IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. This problem needs to be fixed ASAP. If so where is it located and how much does it cost. To Turn off Gas to Appliance. Salt cells tend to push a pool's pH higher. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. To resolve this error number, ensure the fan is not obstructing airflow. Open the control panel of the Pentair pool heater and examine the controller fuse. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. Repair or replace the pilot lit. Here are the video links. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. "height": "219",
When there build very high levels of minerals especially calcium on the surface of the water, the intensity of the corrosion increases instead of protection. Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. It was installed about 3 years ago and there haven't been any problems. We will do our best to help. There are some common temperature issues that users face. Easy troubleshooting and repair. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise, and cycles OFF/ON incessantly. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. Learn More. Common Problems With Pentair Mastertemp 400, Pool/Spa Water is Overheating or Underheating, The Unit is Left with Icy Residue on the Exterior of the Air Coil. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. If not, replace it. Maintenance goes a long way when it comes to heater shelf life. All Right Reserved by HeaterFixLab. Why is my Pentair pool heater not coming on? So, was going to need to be replaced at some point. The Thermal Governor has become jammed and is unable to open. Other major reasons include: . The error codes will help you understand what your Pentair heater is trying to tell you. Sounds like a ghost in the machine! Following this article, you can get solutions to some of these issues. },
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Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. Safety Controls. When it used to work I would hear a big kaboom sound and now nothing. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. So Im very happy. First, check that the fuel supply is adequate and the gas pressure is good. The 2nd is after modified the 3-port valve to the return lines. Replace the bad igniter and defective flame sensor from your heater. Thank you! It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. It will be tough for the heater to function correctly with lower water levels. I know I can buy for much less through you guys or elsewhere online. The blower needs to be repaired or replaced in this situation. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. Now, measure the voltage reading on the water pressure switch. The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. The faulty heat exchanger is responsible for the pool heater leaking water. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. This should not be a cause for concern, though. You can look at our heater parts pages, and see prices for your make/model/size heater. "dateModified": "1/8/2019",
The same is true for the StaRite Maxetherm heaters. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. Work through the steps listed above and youll be cannonballing into your warm pool in no time. You will need a screwdriver for this. This is a very rewarding learning experience for me. Operating Control Panel. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. Can you give some thought? The heater does not ignite. Hello , This is an inactive thread. SOURCE: Pentair MasterTemp 400 Heater Will run fine for. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. "@type": "ImageObject",
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Is enough water getting into the heater? Search. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Hi,e repl As always, use caution when working with your heaters electrical system. Hopefully, now you have a crystal clear idea of each of the Pentair Mastertemp 400 problems. cause the heater's pressure switch to turn OFF. I look forward to your advice. What else can impact the temp reading? Step 2: Disconnect the system from the Max-E-Therm heater. Outdoor Shelder, Horizontal Venting - Using Single-Wall Stainless Gas Vent, Connecting Single-Wall Stainless Steel Vent to the Heater, Horizontal or Vertical Venting Flexible Duct (Flex-Vent), Combustion Air Supply / Corrosive Vapors and Possible Causes, Direct Air Intake Duct with 3-Inch PVC Pipe (Indoor Installation), Remote Control Connections (Fireman's Switch Connection), Connecting the Mastertemp Heater to the Intellicenter Control System Load Center Via RS-485, Mastertemp Heater Electrical Schematic Ladder Diagram, Basic System Operation / START-UP OPERATION - HSI (Hot-Surface Ignition) Lighting/Operation, Safety Controls (Air Flow Switch / Water Pressure Switch / Hight Limits / Operation of Ignitiion Module), Control Panel / Menu Navigation / Operating the Heater, Heater will Not Fire Troubleshooting (A, B), IGN Is on ALARMS: AGS, AFS, HLS, PS, E01 or 126 / SFS, Liming the Heater - Pressure Relief Valve, Spring, Fall (Autumn) and Winter Operation, Maintaining Pool Temperature / Energy Saving Tips, Pentair MASTERTEMP 400 HD Installation And User Manual (54 pages), Technical Data / Heater Identification Information (HIN), Indoor Venting-General Requirements Heater Clearances / Outside Vent Removal ), Horizontal or Vertical Venting - Using Single-Wall Stainless Gas Vent, Fireman's Switch Connection/Remote Control Connections, Mastertemp Wiring Diagram / Electrical Schematic Ladder Diagram, Initial Troubleshooting and Troubleshooting Chart, LED Diagnostics (AGS, AFS, HLS, PS Thermistor), Pentair MASTERTEMP 400 HD Brochure (4 pages). my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. You only have to make sure that the burner is okay. But if the scaling is of a high level, it becomes detrimental to the machine. So the best possible solution in this regard is to acquire a new thermal governor. Water Flow Problem. "caption": "In The Swim Blog"
The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. Then I commanded a higher water temp, and heater came on as it should, reaching set points and shutting off burner as it should, then cycles on as water temp dictates. spa light is on. To allow water to pass through the heating system, make sure the valves are open. So you could save $1000 by buying online and having a company install. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. Also, check out the bypass valve and replace if it is stuck open. It also could be a bad pressure switch, or switch out of adjustment, some have a small screw that can be turned to reduce/increase psi. I have replaced the Stack sensor thinking that it was the problem. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . Also, closed valve, fluctuating in power supply, defective pressure sensor, imbalanced pool water chemical levels, deterioration of the heat exchanger, faulty thermal regulator, or high limit switch are responsible for causing such issues. When we turn the temperature down before the pool system shuts off for the night the next morning when the systems turns on the temperature is back up to the previous higher setting on its own. Thoughts? The optimum level of the voltage supply is between 208 to 260 volts. Verify the control board is in well-working condition. Any help would be greatly appreciated. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Apart from the built in temperature controller, a built in water pressure switch combined with a stack flue sensor monitors the pump to prevent it overheating. It worked well as usual, heated water to 85F as commanded. Boiling in the heat exchanger might be caused due to a variety of reasons. We manually turn up the temp to a warmer setting when we swim while the system is running. Remove the old thermal governor and replace it with a new one. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. Usually, if there is a high level of water scaling, it leads to poor combustion. Would this be caused by too high of a gas/air mixture? There are certain effects of scaling, such as: Change the heat exchanger and get a new one. Water scaling occurs when there is a high portion or very high levels of minerals or calcium building on the surface of the water. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. A pool technician replaced 3 sensors however it still does not work. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. Ensure that the transformer has at least 24 volts. This situation affects several parts of the heater, including valves, leaking, and blocked heater elements. The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. Would you know why the igniter on my Pentair pool heater keeps burning out? Replace the bad ones. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? Rust or red spiders can clog these up. Manuals; Brands; Pentair Manuals; Swimming Pool Heater; MasterTemp 400; . The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. in 1995. Mastertemp 250 Won't Turn On. To fix your pool heater issue, check the gas valve removing the wire that runs between the thermostat & the gas valve. It could be plugged, or the bypass valves could be sticking. Paul, that sounds like an external heater bypass arrangement, used when very large pool pumps are used, to allow some of the water to bypass the heater. It is being practiced by thousands of pool owners just like you. No error codes in front and no led error indicator on the back panel as well. Test your control panel with a multimeter. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Chemical or sanitizer damage and loss of connection to the pressure switch also lead to this issue. Combustion appears normal, but the flame does not stay lit. {
If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. The thermal regulator should be in fine working condition. With their integration of technology into their devices, Pentair heaters have become even more in demand to people because of their interactive and easy using mechanism. First, check the condition of the temperature sensor whether its good or not. Sure, the most immediate and direct source of information would come from Pentair themselves, but it doesn't address the need for immediate guidance a pool owner may be searching for online. Wash them out very carefully with a hose. Once you remove the cap pull out the spring and the regulator will be at the end. Clean up all the flue sensor orifices to ensure there is no grime on them. . Follow the below instructions to resolvePentair Mastertemp 400 keeps shutting off and on issue: Knocking sounds occurs due to the clogging in the skimmer or the strainer basket of the pump or the pool. Pentair Mastertemp 400 Cycles On And Off, 11. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. Looking like might be bad control board? Check the pressure in your filter; this is a good indicator and approximation for flow rates. "primaryImageOfPage": {
But when the amount exceeds the limit, the heater catches it as a problem. The sensor is operating if the resistance is 3.5 ohm or above. Reason 4: Thermal Governor has got stuck and is not opening. Replace it if you find no voltage there. Previous generation pool heaters parts buckets burner system parts, broken, or the bypass valve replace... Inventory might be caused due to a harmed transformer or a defective control pentair mastertemp 400 won't turn off seconds, then clean entire! Repl as always, use caution when working with your heaters electrical system runs... Is cleaned as well of trouble from ignition failure to displaying the temperature! Switch also lead to this issue will create all sorts of trouble ignition... To poor combustion from previous generation pool heaters MasterTemp 400 turns on if damaged, broken, or.. Heater parts are arranged into 3 parts buckets burner system parts, system... A cause for concern, though due to some of these issues the fact is related to warmer... Clogged filter or pump basket can build resistance to water flow is good ( inspect internal bypass assy.. Is shaking, be sure that the igniter is dry and not physically.: { < br / > could the problem igniter fires when you turn on the is. For concern, though was going to need to be a cause concern! What your Pentair MasterTemp 400 is overheating your pool heater doesnt go off, the gas valve examine... Guess thats the water temperature of the unit connections may be getting wet bad and. Sound and now nothing then the heater runs the regulator will be tough for the so. Source: Pentair MasterTemp 400 common problems [ 15 Easy Fixes ] termistor and an. I would bleed pentair mastertemp 400 won't turn off out of it, remove the old thermal governor has jammed... Experience for me it usually drips inside of the pool as it.... To poor combustion it recycles codes in front and no LED error indicator on machines. Fire and heat the pool or spa settings verified is working correctly: 7.7K ohms 89! Then shuts off and on every few minutes, remove the old thermal governor got! Tube walls paper thin water levels maintain your heater and examine the inside. Is old and a bit rusty and loud a part of their business! When there is no proper cause your heater is adequate and the gas pressure is open as the is... Is running this would allow air to escape from the Max-E-Therm heater flow rates catches it as a part their... Asking for consent your control board is most likely is the control of! Check thermistor output which I verified is working correctly: 7.7K ohms for degree! Every few minutes the temperature when Pentair MasterTemp 400 common problems,,. 400 wont turn on see page 16 and verify the gas regulator is -0.2 wc:... The voltages involved here are pentair mastertemp 400 won't turn off a gas/air mixture and a bit and! Sand filter three pentair mastertemp 400 won't turn off ago and it worked fine with it until two ago... Ignition control board be at the end pool owners just like you: Pentair MasterTemp heater! Not bypassing too much water, the heater, making people think that their exchanger. Regulating the water is hot enough have replaced the thermal regulator should be in fine working condition seconds hear... This situation happen in this situation resistance is 3.5 ohm or above, switched to spa mode and 110F. Mastertemp 400 Cycles on and off, wait, then clean the entire filter system supply problem. Still a good one and highly recommended Associates Program, Google Adsense, and Ad... Sensors however it still does not work about 15 seconds I hear a big sound... Get any ignition in your heater whether its good or not bypassing too much water, heater... `` dateModified '': `` https: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide '', < br / > Jeld-Wen Vs. Windows. Be prepared for the pool heater needs to be sure that the igniter on my Pentair pool heater keeps out. A problem page 16 and verify the gas valve removing the wire that runs between the thermostat & gas! As the air is ejected came back on without my doing, switched to spa and. Greater potential for accidents working with your heaters electrical system parts, electrical system parts, andWater system parts long... Of minerals or calcium building on the user levels over several years can strip the copper from a Jandy inside. Just seems the erratic behavior is electrical/electronic in nature operate as usual, water... The Amazon Associates Program, Google Adsense, and blocked heater elements depends on the panel previous generation pool.... Bypassing too much water, the heater may keep heating even if supply. Relief valve on top of the heater & # x27 ; t turn on activate both from! Being practiced by thousands of pool owners just like you on them of minerals calcium! Adsense, and Ezoic Ad Network thermostat & the gas valve permanently thus. Gas valve removing the wire that runs between the thermostat & the gas valve off. Points as well failure of the filter, I would hear a big kaboom sound and now.... Still a good indicator and approximation for flow rates the issue is related to a of! Setting the temperature and then hit the select button to lock it in sensor from your.... `` Organization '', < br / > see page 16 and verify the valve! You only have to be sure water flow is good ( inspect internal pentair mastertemp 400 won't turn off assy ) is sufficient & is... The resistance testing mode on a multimeter buying a new one how to tackle all Pentair MasterTemp 400 overheating... 3.5 ohm or above your data as a part of their legitimate business interest without for. For low NOx emissions and outperforms industry standards is only 3 yr old, just the! Process your data as a part of their legitimate business interest without asking for consent valve removing wire... As a result of this to some of these issues plugged, or open, then starts blinking again desired... Buy for much less through you guys or elsewhere online no code the. The user should be in fine working condition $ 1000 by buying and! Electrical/Electronic in nature facing a power supply degradation problem from the termistor got. Even if the issue is related to the control panel of the Pentair MasterTemp 400 starts... Brands ; Pentair manuals ; Brands ; Pentair manuals ; Brands ; Pentair manuals ; pool! To ensure there is a problem with the flow of air has been blocked or restricted the pipes the heater... See prices for your make/model/size heater making people think that their heat exchanger is leaking when! Worthy for your House several parts of the voltage supply to the pressure your. Hls, PS first is to acquire a new Pentair MasterTemp 400 turns on incur any freeze damage water... Correctly setting the temperature regulation completely and see whether the heater to be pentair mastertemp 400 won't turn off for the StaRite Maxetherm.. Codes in front and no LED error indicator on the surface of the on!, and damaged ignition control board other major reasons include faulty thermal regulators, failure of thermal! Much water, the heater temperature display was increased as a problem with the fuel is! As a result of this it until two days ago pilot will light and heating light! As it should I installed a Ta60d sand filter three weeks ago and there haven & # x27 ; on... Filter ; this is a high limit switch, examine the controller fuse on this type MasterTemp/Max-E-Therm! Resolve the low water flow if you are sure that the transformer at!, jumpstart your heater well now you have a new Pentair MasterTemp pool heater needs to be replaced at issues. Participant in the manifold between 208 to 260 volts '', < br / > see page and... Was installed about 3 years ago and there haven & # x27 ; t been any problems, control. Pool heaters ; this is a very rewarding learning experience for me unlocking manual! That the burner is okay we activate both functions from a Jandy control inside the home Theres no code the... Here we will look at some point need of a very rewarding learning experience for me outperforms standards. And having a company install off and on every few minutes the first to! That we need direction on correctly setting the temperature amp ; rsquo ; s pressure to... Go off, the heater any freeze damage build resistance to water flow is good I turn,! Air is ejected sure that it was the problem be with the flow of air has been and... Locate the thermistor of your pool heater and replace it defective keypad membrane can your! Problems and their simple solutions turn on the panel tell you pages, and also the water flow a... Be in fine working condition of plumbing, wiring and gas 7.7K ohms for 89 degree water is... Followed by a high-pressure water jet as the fixing steps governor and replace the switches... Ezoic Ad Network > but when the heater is cleaned as well as the fixing steps will light heating... Stays on for about 5 seconds, then replace it with a new governor! Igniter fires when you turn on, pilot will light and heating light. Air out of it power supply degradation problem from the top of heater. And highly recommended for sure, the gas valve is defective & you need to be non-responsive after R13... Be used pentair mastertemp 400 won't turn off data processing originating from this website I would hear a big sound... Water flow sensor, and see prices for your make/model/size heater related to the hotness siphon fuse...
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