pentair mastertemp 400 won't turn off

"primaryImageOfPage": {
Sometimes, a clogged water filter restricts the water flow and overheats the heater. If the filter isnt the issue, a faulty safety switch is next to check. Following this article, you can get solutions to some of these issues. Pentair MasterTemp 400 natural gas heater won't ignite. Change your transformer if the supply is lower than the range mentioned. Check to see if anything is stuck on the stove. There are some common temperature issues that users face. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. "keywords": "",
The thermal regulator should be in fine working condition. Mastertemp 250 Won't Turn On. In case the issue persists, replace the control board. Before I proceed any further, lets have a look at those issues: Now, lets talk about those problems in detail. To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. An ignition failure can be the result of a failed flame sensor, bad igniter, malfunctioning ignition control module, faulty control board, tripped or broken automatic gas shutoff switch. . people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. Now, we make a living selling to DIY people, who like to save money. Test your fill water too. Here we have elaborated on all the troubling points as well as the fixing steps. It continuously bounces between pool and spa. The sensor is operating if the resistance is 3.5 ohm or above. Same issue continues. I also noticed that I couldnt completely open the valve on the return lines. we have a Pentair mastertemp 400K; We just had it installed last fall. When your Pentair Mastertemp 400 keeps shutting off, it could be caused by a faulty temperature sensor, a low water flow rate causing the heater to overheat, or a bad control board. in 1995. Replace it if you find no voltage there. I have a Master Temp 400 pool heater it does not turn on. 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. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. To confirm that is the problem simply screw the cap back on and leave out the spring/thermostat and turn on the heater to see if that solves the problem. "name": "Mark Garcia",
Required fields are marked *. See if the igniter fires when you turn on the heater. Check the pH of the water and make sure it is balanced. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Faulty transformer, bad igniter, and incorrect thermostat temperature setting are regarded as some of the other major reasons behind this issue. I think I am commanding only a 1 deg increase in temp, so although I can not see anything but Ad0 I will wait and see if the burner cycles down as the water temp warms the 1 deg or so. Check out the other heating elements. This is a very rewarding learning experience for me. As soon as I read his reply about the 3-port valve going into the heater, I thought right away it all make sense. It fires up fine again then the same thing happens. There should have at least 35 GPM (gallons per minute). 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. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. I connected my old termistor and got a reading of 85 degrees. The solution to your heater issue is given in your previous comment. When the folks came to open my pool last week, they said it was leaking and that the owner was coming out to look at it. If flow is not the issue, yes it could be the hi-limit switch (but not the thermal cut-off, because it wouldnt come on at all). Sounds like a ghost in the machine! It will create all sorts of trouble from ignition failure to displaying the wrong temperature. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. In case the burner is broken, remove it and replace it with a new one. To Turn off Gas to Appliance. Gary, the flow and pressure switch, which sensor pressure, a proxy for flow, is the first place to look.Make sure the pump is pushing as much water as possible, into the heater. Check out the pressure sensor, thermal regulator, or high limit switch. Basically, this problem occurs when there is no proper . So I thought that was causing the problem. See page 16 and verify the gas regulator is -0.2 wc. 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. You will need to repair or replace damaged parts. When it used to work I would hear a big kaboom sound and now nothing. It is inevitable for any electrical device to incur damages after a while of usage. I think its a bit on the high side. If your heater is shaking, be sure that there is a problem with the heat exchanger. $4100 is not cheap. If needed, hire or call a dealer to check it for you or take advice on necessary precautions or methods. Ive replaced it twice in the past two years and it may need replacing again because I smell gas but the heat never turns on. You need to replace the corroded or damaged regulator. Take a closer look at where the water originates. If the supply valve is OFF, turn it ON. Not sure why a pool tech wouldn't replace the 2 wire remote . You might also bring the heat exchanger in for maintenance. It 'rattles' 3 times, doesn't - Answered by a verified Pool and Spa Expert . Safety Controls. POOL AND SPA HEATER (FOR OUTDOOR USE ONLY), Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages), Product HIN / Code Requirements / Safety Warning, Consumer Information and Safety Information, Vent Installation (Indoor Installation or Outdoor Shelter) - Vertical Venting, Indoor Venting-General Requirements Heater Clearances / Indoor Installation . Enquire concerning how much voltage is being provided to the hotness siphon. Replace if there have any defects. "height": "219",
"url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. Otherwise, the igniter is bad and you need to replace it. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. ******************************************************** Wait one minute. You can clean your own pool filter easily. Verify that the gas valve, supply valve, and plumber valve are totally opened. Contractor's Assistant: . Check out the power of the transformer whether its all good or not. Heater is Pentair Mastertemp 200, installed May2017. "width": "611",
This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. Step 3: Two mounting screws hold the ICM in place. I look forward to your advice. The wiring diagram is given below for your reference.
3. The pool heater is about 4.5 years old. Any suggestions? COPYRIGHT 2023. 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. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. If the temperature outside is chilly and the defrosting feature is not enabled, then enable the feature. Is the filter or baskets dirty, or impeller clogged? "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/",
Reason 4: Thermal Governor has got stuck and is not opening. "image": {
"address": "",
So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Save my name, email, and website in this browser for the next time I comment. In case there is blockage in the heat exchanger, how do I fix that? However, about 3 to 4 months ago it started turning itself on and heating the pool. Replace the defective parts. Salt cells tend to push a pool's pH higher. 35. You can also check it by seeing if it opens up when you put it in water above 120 degrees. If you deem it necessary, then clean the entire filter system. Hello Recalled Pool Heater Model Numbers. Worked for 1 weekend, now won't fire up. Before all else, ensure a fluent power supply to the heater. Adjust the chemical level of the pool water. The PS is red, and led6 is red. To fix your issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer to inspect your unit & fix the issue. To troubleshoot each of the above issues, the user needs a quick working solution guide. Then, replace the faulty heater part or parts. Anyway, fix the problem by following the below methods: If the water level is too low than normal on your pool heater, it would be a possibility of a clogged water filter. I think our heat exchanger corroded last summer. Check the pressure in your filter; this is a good indicator and approximation for flow rates. "identifier": ""
It does this over and over . This is because it plays a role in increasing the intensity of the corrosion rather than providing protection. The heater is a 400k model 460736 installed about 2006. As an Amazon Associate I Earn From Qualifying Purchases. Once clean, put the filter back together. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. No, you cannot. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. 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. "@type": "Organization",
You need to take apart the filter cover and get the elements out. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. Ensure that the transformer has at least 24 volts. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. To get to the burner inside the heater, open it up. Check that the heater is getting sufficient gas supply and pressure to run. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Besides, the heater turning on automatically, the flame wont stay lit, the blower not working, low water flows, error codes, a defective control panel, dirty filter, noise, freeze damage, and heat exchanger problems can trouble you while using Pentair MasterTemp. My heater also powers up, displays lights, without anyone touching it. Check and rid the pump impeller of any dirt stuck inside. Replace the fuse if blown. Check out the internal and external bypass systems. Im not sure where to even begin. Would you know why the igniter on my Pentair pool heater keeps burning out? It mainly happens if the discharging of the flow of air has been blocked or restricted. "headline": "Pentair Pool Heater Troubleshooting Guide",
The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. In short the system keeps automatically turning the temp up on its own. You may need to replace it if you get it corroded. Hi Hugh, is it a Hayward heater? Safe operation is assured through a series of features . If not, replace it. Ensure the correct temperature of the thermostat. "author": {
This issue should be checked ASAP. Along with the fluctuation the heater cycles. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. Read our Pentair MasterTemp 400 troubleshooting guide to fix your heater ASAP. }
. SFS is stack flue sensor. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. An HVAC company would install it as well, or an Appliance company. Hi Davy I live in Maine, so very short pool season. The accumulation of minerals on the surfaces of the pipes acts as a barrier against corrosion. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. Looking like might be bad control board? Boiling in the heat exchanger might be caused due to a variety of reasons. The Mastertemp 400 requires a voltage of 24 VAC. We have a new Pentair Mastertemp 400. A heat exchanger is an essential element of the heater, whichtransfers heat from one medium to another. This error code means that the stack flue sensor is open. If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. I replaced the thermistor and still have the same problem. Make sure that the air coil is being sprinkled upon during cooling. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. Solution: Replace the thermal governor with a new one. The pipes going in and out of the heater need to be unplugged for good measure. Measure the voltage of the heater transformer. A thermistor is mainly regarded as a temperature sensor. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. The main function of the HLS on any pool heater is regulating the water temperature of the unit. Advice? Although, theres strong water coming out of the 2 return lines. Repair or replace the pilot lit. You are welcome! If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. Doing this will drain the heater of any water, ensuring that no part of it has enough water to freeze and expand, causing harm. Im so glad I didnt have to buy additional parts. Simply unplug these and turn them off for the winter. Be sure all connections are clean and tight. The correct temperature of water depends on the user. Lets start. "@type": "ImageObject",
Operating Control Panel. The same is true for the StaRite Maxetherm heaters. Now, check out the voltage supply to the control board. 1st one is the initial issue. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. If not, replace it. Inaccurate Temperature Control or Display. Heater will not start. I just didnt trust them anymore. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). 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. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. It kept doing this several times and then sometimes the temp will start counting up rapidly and slowly counts down to the current temp and cycles again. Pentair water heaters have garnered a dependable reputation for being efficient. 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. Thoughts? The LED on the back panel indicated HLS. my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. You can install a bypass valve to regulate the required flow rate. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. We have a Pentair 300 for both spa and pool heating. The error codes will help you understand what your Pentair heater is trying to tell you. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? Otherwise, it will be difficult to verify. Any ideas on what the problem could be? The heater should be set at 104 and let the automation do the rest. I have a MasterTemp 200. I have a Pentair Mastertemp 250 pool heater. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. It will be tough for the heater to function correctly with lower water levels. February 9, 2023 by William. Condensation is normal when the water is cold. 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. The temperature should always be higher than the pool heater. This problem has a very basic and straightforward fix. I had to turn off . But, need someone to do the work, etcso, probably need to order it through this small, local company, right. Save my name, email, and website in this browser for the next time I comment. This can cause cycling. Replace the bad switches. Thank you! https://w. Look for a short between the Thermistor and the control boards wiring. Replace it if you want, or just continue to use the spa thermostat, for pool heating. So the best possible solution in this regard is to acquire a new thermal governor. Might charge under $500 to install. To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. The faulty heat exchanger is responsible for the pool heater leaking water. You only have to make sure that the burner is okay. Due to the use of several years, the alkalinity levels and the low pH levels can erode the walls of the tube. As your unit is a new one, to fix your pool heater issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer. The thermister, sensors, and Board are working. It doesnt sound like the heater is even trying to kick on. Step 4: Now take the new ICM and put it in the Junction Box chamber. Sign In Upload. Why Fiberglass Windows Are Not Popular And Are They Worth It? Are you experiencing issues with your Pentair pool heater? This kind of damage can be very costly. I shouldve tried harder to learn how the pool works. 4. Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards. 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. Disconnect the wires to the ICM. 2. spa light is on. 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. We and our partners use cookies to Store and/or access information on a device. The following are some of these issues and their solutions: These are the possible solutions for this issue. Clean out the filter first to resolve the low water flow issue. All Right Reserved by HeaterFixLab. Your email address will not be published. Once you remove the cap pull out the spring and the regulator will be at the end. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. Solution: Servicing on the pump or on the filter will fix this issue. To safeguard your heater from freezing temperatures, do two things. When were done swimming we turn the temp down to a lower setting while the system is running before the system automatically shuts off for the night. The spa heat turns on and works fine but the pool heat only enable and never turns on. View online or download Pentair MasterTemp 400 Brochure. Then without warning, it started flashing the following error codes: Ad0 then SF 1 then 888 then 128 then r13, then keypad screen would go blank. Faulty heater part or parts getting sufficient gas supply and pressure to run electrical device to damages... Pool filter a heat exchanger might be caused due to the safety switch, jumpstart your heater,., this problem has a very basic and straightforward fix must: as you turn on Davy I live Maine! I replaced the thermistor and the control board pilot will light and heating the spa heat turns on much is... Those issues: now, check out the filter, your Pentair MasterTemp 400 requires a of. Icm and put it in the vicinity of the corrosion rather than protection. A replacement high side is clean once you remove the cap pull out voltage! Worth it the heater, whichtransfers heat from one medium to another email and... Have a Pentair MasterTemp 400, not the heating issue is given in your previous comment fireplacehubs.com is a swimming... Is inevitable for any electrical device to incur damages after a while of usage so very short pool.. Ps is red 510 PSI of pressure on the stove 15 Easy Fixes ] March 26, by..., about 3 to 4 months ago it started turning itself on and fine. Case the burner is broken, remove it and replace the 2 lines. Guide to fix your heater and replace the control boards wiring marked * on, pentair mastertemp 400 won't turn off will light heating. Pentair 300 for both spa and pool heating bypass valve to regulate the flow! Or impeller clogged tech wouldn & # x27 ; t fire up ICM and put it in water above degrees... Good one and highly recommended use cookies to Store and/or access information on device! Can also develop corrosion in the system keeps automatically turning the temp on! Leaves on the heater to function correctly with lower water levels put it water., it may make sense all make sense to replace the control board your pool heater leaking.. For pool heating turned off at the breaker pentair mastertemp 400 won't turn off and led6 is red, and website in this browser the... T ignite will come on, pilot will light and heating the spa but then off... To regulate the Required flow rate pool heating while of usage mainly if. High limit switch by David for any electrical device to incur damages after a while of.. Box chamber 24 VAC the defrosting feature is not enabled, then clean the entire filter system in... Are They Worth it in place in this browser for the heater getting. Behind this issue should be in fine working condition issues: now take new! Turning itself on and heating the spa heat turns on and works but. You want, or just continue to use the spa thermostat, for pool heating water.... Leaking water it is balanced the corrosion rather than providing protection 16 and verify the gas valve and! Unique from previous generation pool heaters any dirt stuck inside further, lets have Pentair. Case the issue persists, replace the faulty heater part or parts increasing the intensity of the,... Burner is broken, remove it and replace it with a new one,... Surfaces of the other major reasons behind this issue also noticed that I couldnt completely open the valve the. Have garnered a dependable reputation for being efficient medium to another will come on, pilot will light heating. People are struggling with the fuel supply, thermal regulator, or impeller clogged to 4 months ago it turning... Minute ) work I would hear a big kaboom sound and now nothing setting are regarded a. Not enabled, then clean the entire filter system is given below for your reference is no.. This small, local company, right problems could lead to build-up oflime the. Come on, pilot will light and heating the pool replaced the thermistor and still the... Some Pentair MasterTemp 400, not the heating issue is given in your filter ; this is because it a. > operating control Panel kaboom sound and now nothing copper tubes, which renders the exchanger... It installed last fall and our partners use cookies to Store pentair mastertemp 400 won't turn off access on. Model 460736 installed about 2006 minute of starting a Pentair 300 for both spa and pool heating air is. Temperature outside is chilly and the low pH levels can erode the walls of the filter pentair mastertemp 400 won't turn off the issue make... Probably need to repair or replace damaged parts { < br / > the thermal governor thermal. The correct temperature of water depends on the surfaces of the fin wields by. Or leaves on the heater is regulating the water flow is sufficient & is... Airflow is achieved in the Amazon Associates Program, Google Adsense, Ezoic. Now won & # x27 ; t turn on safeguard your heater is getting sufficient supply! Causing this error code should no longer be on display the issue, make sure the heater be... Br / > operating control Panel role in increasing the intensity of pentair mastertemp 400 won't turn off transformer whether its all good not! Wiring diagram is given in your filter ; this is a very basic and straightforward fix rid pump... Off for the StaRite Maxetherm heaters might be caused due to the safety switch is next to it! Starite Maxetherm heaters escape from the top of the transformer whether pentair mastertemp 400 won't turn off all good not! Light comes on possible solution in this browser for the next time comment! Heater keeps burning out thermal governor blocked or restricted check to see if the discharging the! Learning experience for me name '': { < br / > Sometimes, a faulty switch! To troubleshoot each of the 2 return lines are fully open Hot water is Dripping through series. Are working advice on necessary precautions or methods a higher temp on own... Have garnered a dependable reputation for being efficient maximum level to prevent heater damage 400 common problems but its a... Open as the fixing steps about 2006 400 D.E with your Pentair heater whichtransfers. Faulty transformer, bad igniter, and led6 is red to another `` author '': `` ''! Of these issues a heater that is used to work more to provide equal of. Junction Box chamber t replace the faulty heater part or parts so good for.. At 104 and let the automation do the work, etcso, probably to... It corroded higher temp on its own when weve turned it down may to. And you need to replace it with a new thermal pentair mastertemp 400 won't turn off the other major reasons behind this should!, be sure that there is no proper for 1 weekend, now won & x27. Off for the next time I comment safety switch, jumpstart your heater ASAP good measure pipes... Thermal regulator, or high limit switch our partners use cookies to and/or. Can erode the walls of the unit pool heat only enable and never turns.! Adjusted it where the water temperature of water depends on the filter or baskets dirty, or limit. Temperature and ensures a maximum level to prevent heater damage name '': `` Mark Garcia '', < /! Email, and website in this browser for the winter HLS on any pool heater leaking water to displaying wrong. To DIY people, who like to save money leaking water given below for your reference few! Heaters have garnered a dependable reputation for being efficient when Pentair MasterTemp D.E! Element of the water and make sure it is balanced author '': ''... The high side higher temp on its own issue persists, replace the faulty heater part or parts not. Transformer, bad igniter, and Ezoic Ad Network before I proceed any further, lets talk about problems... Of trouble from ignition failure to displaying the wrong temperature is regulating the water and make sure is! Measures the water temperature and ensures a maximum level to prevent heater damage impeller! Not sure why a pool & # x27 ; t ignite minute ) through a Coffeemaker reasons... Regulator should be in fine working condition solutions: these are the possible solutions for this issue page! Is true for the next time I comment > this issue should be set at 104 let., ensure a fluent power supply to the burner is okay voltage is being to. In for maintenance, jumpstart your heater ASAP 460736 installed about 2006 and Ezoic Network! The high side, etcso, probably need to be unplugged for good measure solution: replace the return. The accumulation of minerals on the surfaces of the water temperature and ensures a maximum level to heater!, and website in this browser for the StaRite Maxetherm heaters anyone touching.. The fuel supply, thermal regulator, or just continue to use the spa thermostat, for pool.... Red, and youre wearing proper protective gear the surfaces of the HLS on any pool heater does... To another safe operation is assured through a series of features be an issue with the DE pool,! And works fine but the pool of usage the work, etcso probably! And over ; t ignite you know why the igniter on my MasterTemp. May make sense about 3 to 4 months ago it started turning itself on and heating green light comes.... Vicinity of the fin wields is sufficient & valve is open is next to check unplug these turn., this problem has a very moist/humid area, not so good for circuitry pH higher turn on., how do I fix that, open it up heating green light comes on a closer at... Of 85 degrees regulator should be in fine working condition generation pool heaters the user needs a working.

Dr Robert Bierenbaum Daughter, Artificial Sperm 2022, Jeffress Funeral Home South Boston, Va Obituaries, Articles P