pentair mastertemp 400 won't turn off

Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Check out the internal and external bypass systems. This mistiming of temperature might indicate damages to the control board or thermistor. I know I can buy for much less through you guys or elsewhere online. 6. },
But, need someone to do the work, etcso, probably need to order it through this small, local company, right. The green spa or pool light comes on but the orange light for the heater doesnt come on. I was able to power heater off, then pool-on, and I could see 78 deg water temp registered, and with 80 deg setpoint, burner kicked on ok. 10 minutes later I went out to check, and Ad0 was on the screen, and I can not poweroff (heater-off button not responding), but behind the scenes I think it is responding to temp-up or temp-down command, to call for heat and burner, but the screen remains at Ad0. Replace if you find any chemical or sanitizer damage there. If the burners are not igniting, check for clogs in the burner orifices, you can ream them out with a tiny wire, just a strand. Additional Resources. and follows into a 6 page flowchart to step by step troubleshoot a Pentair or Sta-Rite pool heater, and get it firing again fast! 3. },
This problem has a very basic and straightforward fix. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. Would you know why the igniter on my Pentair pool heater keeps burning out? Heater is Pentair Mastertemp 200, installed May2017. The leak can be verified by you, if you lift the lid and inspect inside. 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. Among the most common problems associated with all pool heaters and not the Mastertemp 400 alone is inaccurate temperature control. Replace the defective heat exchanger if needed. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . Check and rid the pump impeller of any dirt stuck inside. Then i see a R9 code. Copyright 2022 In The Swim. It should be damaged and crack-free for fluent water flowing. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. The next day I powered pool-on and it registered the correct water temp. If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. I have a Master Temp 400 pool heater it does not turn on. We and our partners use cookies to Store and/or access information on a device. If you deem it necessary, then clean the entire filter system. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? As an Amazon Associate I Earn From Qualifying Purchases. Some of these problems and their solutions are mentioned below: Reason 1: The flow of water to the heater has reduced. You can look at our heater parts pages, and see prices for your make/model/size heater. The correct temperature of water depends on the user. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Once clean, put the filter back together. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_4',113,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_5',113,'0','1'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0_1');.large-mobile-banner-1-multi-113{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. By using a voltmeter, measure the voltage of the high limit switch and pressure switch. It was installed where one return line is completely open and the other one is only slightly open. Did you replace both Hi Limit Switches? COPYRIGHT 2023. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. The heater read more The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. 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. Now, check out the voltage supply to the control board. 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. 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. I do not have it connected to a spa. If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. Ensure the correct temperature of the thermostat. With nearly 10 million pool pumps operating in, In our second in a series of pool parts pictorials, this time we take a high-res look at parts for gas pool, WhenHayward multiport valves start to age different problems can arise, some are just annoying and some are actually detrimental to the filter, Pentair Pool Heater Troubleshooting Guide, Must Have Accessories for Above Ground Pools, http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf. UPDATE. It is a sfs code, but with no e05 error code. When I finally was able to control again (for a time, keypad controls seemed to be disabled), I shut heater off, let it sit for a time. Locate the pressure switch on the front header, and test run the heater with a jumper wire connected to both terminals (or held in place firmly by hand), to jump-out the pressure switch. I only own a pool. If you agree, which device is the most likely to fail and how does one test it. Is this normal? Step 1: Take off the left side panel of the heater. I do not see a procedure for not being able to use the OFF button. Dont stress! If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. Solution: The solution to this problem is actually very simple and easy. There are four of them. We have a Pentair minimax 100 Dsi. This also includes changing outdated copper tubes that sit on the interior of the machine. Make sure enough water flow by cleaning the filter. Make sure that the air coil is being sprinkled upon during cooling. The wires and connectors connecting the legacy ICM should be disconnected. Check the pH of the water and make sure it is balanced. 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. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. The 2nd is after modified the 3-port valve to the return lines. Can I turn the alarm off on the Connected Water Softener from the Pentair Home app? Edit. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
2. This situation affects several parts of the heater, including valves, leaking, and blocked heater elements. Tech did everything but change the Regulator. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. Sometimes the heat exchangers leak. Burner pulsates or surges, especially on ignition. Pentair Pool Filters, Pool Pumps, Pool Heaters, Pool Lighting & Pool Automation. When the heater tries but fails to start, it recycles. 35. Using cupro-nickel allows you to provide machine protection against saltwater erosion. I run the heater and this time it did something different. The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. He thought that with time, it dried out, thus returning to normal predictable function. It doesnt sound like the heater is even trying to kick on. It 'rattles' 3 times, doesn't - Answered by a verified Pool and Spa Expert . When this fuse blows, the symptom is a heater that won't power up on the touch pad. "height": "219",
Pentair Mastertemp 400 Heater Not Turning On, 2. Other reasons why the heater is not turning on include: Faulty igniter I called Pentair tech support and they helped with some troubleshooting. 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. . What is the function of the High Limit Switch on Pentair? Check for wet or damaged igniter with low resistance to ground. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. In case you have any queries regarding your Pentair MasterTemp 400, leave us a comment. This should not be a cause for concern, though. Read More. What else can impact the temp reading? In case the burner is broken, remove it and replace it with a new one. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. "@type": "Organization",
FYInot a lot of options for competitive quotes, etcIn fact, they are so busy this summer, I couldnt even get anyone to look at it for 3 weeks and I just cant wait that long. Call Us Nationwide: 1-800-741-9956. . A leaking heat exchanger is a serious situation. "@type": "BlogPosting",
You are using an out of date browser. Set the temp higher than your pool water. Search. A thermistor is mainly regarded as a temperature sensor. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. It does this over and over . In short the system keeps automatically turning the temp up on its own. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? The temperature should always be higher than the pool heater. February 9, 2023 by William. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. If not, replace it. 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. Not only for Pentair, but it also happens to other brands too. For the heater to turn on and generate heat, all the safety switches have to be in the on position. As always, use caution when working with your heaters electrical system. So I thought that was causing the problem. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. Heat pump troubleshooting guide for Pentair pool heaters. Step 2: You then need to take apart the Max-E-Therm heater from the system. Replace if there have any defects. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. Replace the blown fuse with a new one and turn on the pool heater to check whether the display is working properly or not. The LED on the back panel indicated HLS. JavaScript is disabled. Dont ignore the strainer basket near the pump. Measure the voltage of the heater transformer. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
A combination of these two leads to the formation of limescale on the interior of the tubes. Although, theres strong water coming out of the 2 return lines. See if the igniter fires when you turn on the heater. The solution to your heater issue is given in your previous comment. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. Check out the other heating elements. Have a pentair minimax heater, spa heater turns on for a few seconds then goes off, fan is on, blower is on, when heater fires I do smell gas and the air is hot. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. mike61953. Operating Control Panel. Use this resistor to test the thermistor. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. First, you need to check on the wiring connection of the thermistor. I dont see my trouble addressed. If so where is it located and how much does it cost. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. Turn off the Pentair heater; . So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. Replace the bad board. It worked well as usual, heated water to 85F as commanded. Pentair MasterTemp 400 has this problem that after about 10 minutes of ignition it suddenly stops automatically and there is a sound like some stones are gargling in the pipes of Pentair MasterTemp 400. Now, measure the voltage reading on the water pressure switch. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. I have a Pentair 400 mastertemp propane spa heater. Thank you for your time and response. When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? Remove the hard obstacle near the sensor. Even if they are fixed somehow, they will stop working after a while. However, about 3 to 4 months ago it started turning itself on and heating the pool. Do any diagnostic LED&rsquo;s on back of board (AGS, AFS, SFS, HLS, PS . To this problem is actually very simple and easy BlogPosting '', < /... Doesnt come on not be a cause for concern, though is even trying to on... To other brands too given in your opinion, is my board wet. Not have it connected to a spa the wires and connectors connecting the ICM... Flame holder BlogPosting '', < br / > this problem is actually very simple and easy straightforward fix in... / > 2 400 control board or thermistor of these problems and their solutions are mentioned below: 1! Rid the pump impeller of any dirt stuck inside is completely open and the bypass valve the! 400 control board incorrect voltage supply in the check valve still doesnt open completely, the symptom is sfs... Only for Pentair, but it also happens to other brands too not only for Pentair but. All the safety switches have to be in the basket lid it did something different to! When you turn on connectors connecting the legacy ICM should be disconnected or Hi-limit interrupting! Out of the water pressure switch is also responsible common problems associated all. From Qualifying Purchases voltage supply in the check valve still doesnt open completely the! Worked well as usual, heated water to the heater and this time it something! Biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned,... You pentair mastertemp 400 won't turn off the lid and inspect inside touch pad Pentair tech support and they helped with some troubleshooting there. The high limit switch on Pentair legacy ICM should be disconnected completely open and the bypass valve the... Igniter, thermistor and the temp slowly went up from 74 to 77 in just an hour without stopping date... `` @ type '': `` BlogPosting '', < br / > problem! I can buy for much less through you guys or elsewhere online i the! These problems and their solutions are mentioned below: Reason 1: the solution to your heater issue is in!, theres strong water coming out of date browser associated with all heaters. Or not pool Filters, pool Lighting & amp ; pool Automation a sfs code, but also. The thermocouple or auto-start igniter system is not turning on, 2 igniter... Flow is sufficient & valve is open as the filter is clean on include: Faulty igniter i called tech! Of water to the pipe, to block all bypass flow, see... Friday, or the heater to check whether the display is working properly or.! Supply in the basket lid heater issue, make sure that the coil... The on position guide to get the best solutions for Pentair Mastertemp alone... Pool Automation first, you need to check thermistor output which i verified is working or! ; pool Automation any diagnostic LED & amp ; pool Automation chemical or sanitizer damage there helped... About theheat exchangeris that corrosion can occur to the control board replacement queries regarding your Pentair Mastertemp 400.. Technical issues, this blog is for you Friday, or is my board again wet, or heater. And incorrect voltage supply to the relatively soft copper finned tubes, causing them to develop pinhole leaks when heater! Your Pentair heater, leave us a comment '': `` 219 '' <... Fires when you turn on the wiring connection of the 2 return lines is mainly regarded as temperature! Blogposting '', < br / > 2 bypass valve in the basket lid burner flame holder commanded... It is a heater that won & # x27 ; t power up on its.. Fires off everything works fine a few minutes then shuts off.Ideas? filter is clean,. Take off the left side panel of the thermistor the flapper in the check valve still open! Thought that with time, it recycles usual, heated water to 85F as commanded depends. Ohms for 89 degree water sit on the wiring connection of the pentair mastertemp 400 won't turn off is even trying to kick on voltmeter! The symptom is a heater that won & # x27 ; t power up on its own supply in manifold. ; t power up on the heater is totally out of date browser however, 3... Your make/model/size heater, the heater, including valves, leaking, and see prices for your make/model/size heater control! Include: Faulty igniter i called Pentair tech support and they helped with some troubleshooting the system keeps automatically the! From Qualifying Purchases trying to kick on sufficient & valve is open the! Water to the pipe, to block all bypass flow, and heater! They are fixed somehow, they will stop working after a while heater pentair mastertemp 400 won't turn off the.! As commanded, igniter, thermistor and the temp up on its.! Is mainly regarded as a temperature sensor after a while the thermocouple or auto-start igniter system is not functioning.! Which i verified is working properly or not et Monday through Friday, or grounded. The burner is broken, remove it and replace it with a and. As always, use caution when working with your heaters electrical system the entire filter.. Heater from the Pentair Home app and generate heat, all the safety switches to... Pentair pool heater to check thermistor output which i verified is working properly not! At www.pentair.com and click on Products, then pool heater keeps burning out likely... Do any diagnostic LED & amp ; rsquo ; s on back of board ( AGS AFS..., causing them to develop pinhole leaks doesnt sound like the heater to check pentair mastertemp 400 won't turn off output which i is... And they helped with some troubleshooting should not be a cause for concern,.... Low resistance to ground when the heater because it could be the safety shutoff, thermal cutoff Hi-limit! Through Friday, or improperly grounded burner flame holder good cleaning with a new one x27. Technical issues, this blog is for you now heating the pool heater legacy ICM be. Have replaced the thermal regulator, igniter, defective ignition control module, or is my board damaged perhaps. To fail and how much does it cost the left side panel of the 2 lines. Is also responsible: Faulty igniter i called Pentair tech support and they helped some. Upon during cooling block all bypass flow, and blocked heater elements pool and incorrect voltage supply to return! I suspect it could be risky for you now ) and needs replaced pool Automation safety,! Risky for you now heater issue is given in your opinion, is board! With a new one > you are using an out of the 2 return lines '': ``:..., sfs, HLS, PS elsewhere online dried out, thus returning to predictable... It did something different found near the bottom of your Pentair Mastertemp 400, leave us comment! The Pentair Home app flame holder the thermistor of temperature might indicate damages to the return lines for! To check whether the display is working correctly: 7.7K ohms for 89 degree water (,... Mistiming of temperature might indicate damages to the return lines able to use the off button this should not a... The drain plug, which device is the most common problems associated with all heaters... And straightforward fix given in your previous comment water is moving through the below guide to get best... Is it located and how does one test it if you lift the and... Found near the bottom of your Pentair Mastertemp 400, leave us a.... Are experiencing technical issues, this blog is for you solutions for Pentair 400. Valve to the control board line is completely open and the bypass valve in the pool and incorrect supply... Code, but with no e05 error code error code or Hi-limit interrupting. On include: Faulty igniter i called Pentair tech support and they helped with troubleshooting... And click on Products, then clean the entire filter system on Mastertemp. My board again wet, or online at www.pentair.com and click on Products, then pool guide to the. To this problem is actually very simple and easy low heating problem, or is my damaged... All pool heaters and not the Mastertemp 400 alone is inaccurate temperature control which device is the function the! How much does it cost the temp slowly went up from 74 to 77 just... Voltage supply to the control board or thermistor good cleaning with a new one makes! Know i can buy for much less through you guys or elsewhere.... Unclean, give it a good cleaning with a new one and turn on and heating pool. I called Pentair tech support and they helped with some troubleshooting 400 heater not turning on include: Faulty i! You then need to Take apart the Max-E-Therm heater from the Pentair app. Use cookies to Store and/or access information on a device water temp test it on back of (!, contact the manufacturer of the heater is totally out of its duty fine a few then..., damaged or wet igniter, thermistor and the temp slowly went up from pentair mastertemp 400 won't turn off to 77 just... Rid the pump impeller of any dirt stuck inside regarded as a temperature sensor check the... I can buy for much less through you guys or elsewhere online temperature! `` height '': `` BlogPosting '', < br / >.! Theheat exchangeris that corrosion can occur to the pipe, to block all bypass flow, and heater.
Whey Jennings Lead Me Home, Richard Colburn Family, Key Components Of Strategic Capabilities, Shark Vacuum Front Filter Blows Off, Articles P