When the heater temperature exceeds the safety level, it activates and shut down the heater. They have a have an SF code for Sensor Failure. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. As we have seen, there are some Pentair Mastertemp 400 common problems that may also face. But just like any electronic device, there are some issues with the Pentair Mastertemp 400. Make sure enough water flow by cleaning the filter. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. The heat exchanger tubes can be replaced with you using the existing front and rear headers (aka manifold), and hi-limits, and all the rest of the parts. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. The solution to your heater issue is given in your previous comment. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. When I fire up the heater on Pool it begins to heat but after about 5-10 minutes it moves over to Spa Heat (which I dont have a spa) and shuts down the heater. Pentair MasterTemp 400 natural gas heater won't ignite. For the heater to turn on and generate heat, all the safety switches have to be in the on position. After just a few minutes on heating, the burners shut off, before the water is warm. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. There will be a reduced water flow if you see that the switch that detects pressure is open. This should not be a cause for concern, though. Would you know why the igniter on my Pentair pool heater keeps burning out? I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. A local pool service expert suspected the electronic control board may have gotten wet (we have had a good deal of rain here in northeast ohio recently) thus the odd error messages that I can not find in the owners manual. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. First, check that the fuel supply is adequate and the gas pressure is good. Pool heater failing to ignite gas. Advice? Hopefully, now you have a crystal clear idea of each of the Pentair Mastertemp 400 problems. Then i see a R9 code. Email Us. Worked for 1 weekend, now won't fire up. Chemical or sanitizer damage and loss of connection to the pressure switch also lead to this issue. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. And if the heayer shuts off, the gas valve is ok. Then check the control board & fix it. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. You can install a bypass valve to regulate the required flow rate. You can clean your own pool filter easily. A combination of these two leads to the formation of limescale on the interior of the tubes. Clean the clogged water filter to ensure a fluent water flow. Heat exchangers manufactured of cupro-nickel can be used to alleviate the problem of saltwater pools. To hear if the small relay on the board clicks while giving voltage to the blower, put your ear right next to the top of the heater. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. Doing this will drain the heater of any water, ensuring that no part of it has enough water to freeze and expand, causing harm. Manuals; Brands; Pentair Manuals; Swimming Pool Heater; MasterTemp 400; . I have a Pentair MasterTemp that I have been trying to troubleshoot for a year now. The flame ignitor is firing but no gas flow. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. So, here we will look at some issues and their solutions. 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. You can also check it by seeing if it opens up when you put it in water above 120 degrees. The thermal regulator should be in fine working condition. If not, replace it. You will get much more visibility by. A leaking heat exchanger is a serious situation. Is there a process that we need to do to lock the temp at the lower setting before the system shuts off for the night I.e., when we lower the temp do we need to touch the select button? . See page 16 and verify the gas regulator is -0.2 wc. Is the filter or baskets dirty, or impeller clogged? Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. Contact customer service and tell them about the issue. Hi,e repl To resolve this error number, ensure the fan is not obstructing airflow. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. This is a very rewarding learning experience for me. "url": "https://blog.intheswim.com/"
It could be plugged, or the bypass valves could be sticking. No mater how many times I press the Heater Off button, the heater does not go off and the display panel does not go blank. Check out the thermal regulator as well. For that, clean out the water filter first. 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. Remove the old thermal governor and replace it with a new one. First, check the condition of the temperature sensor whether its good or not. Thanks for your help. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . Rust or red spiders can clog these up. The manufacturing date, along with model number, can be found on the serial number sticker on the heater. The valve has to allow enough water into the heater, not too little, not too much. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the source. Test your control panel with a multimeter. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. I have a MasterTemp 200. 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. Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. Examine the connection between the burner and the gas and other lines to see if it is secure. Pentair MasterTemp 400 Common Problems [15 Easy Fixes]. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. I know I can buy for much less through you guys or elsewhere online. The wires and connectors connecting the legacy ICM should be disconnected. Sounds like a ghost in the machine! After persisting in this issue, you will hear a sound like a bumping sound from the heater. 4. Look for a short between the Thermistor and the control boards wiring. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Is enough water getting into the heater? To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. Use a heat exchanger made of cupro-nickel to resist corrosion. From our comprehensive article, you will get areliablePentair Mastertemp 400 troubleshooting guide that will assist you in fixing any issue effectively. An example of data being processed may be a unique identifier stored in a cookie. I have tried running it with the pump going full boogie to see if it is water flow problem and the service heater light still comes on. To get a solution, first, check the thermal regulator which you get between the inlet or outlet of the heater. Set the temp higher than your pool water. Replace in case necessary. It does this over and over . The spa heat turns on and works fine but the pool heat only enable and never turns on. If so where is it located and how much does it cost. Clean out the filter first to resolve the low water flow issue. The common problems that are related to heat exchangers will be explored in this section. If the thermistor tests are bad or faulty, replace them with a new one. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. "@type": "ImageObject",
Ask your Questions or search from our database of answers: https://askthepoolguy.com/questions/ask/ Make sure you Subscribe so you get your answer! The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. The blower fan regulates the correct amount of exhaust and plays a large role in correct combustion. Follow the below instructions to resolve Pentair Mastertemp 400 wont ignite issue. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . Take a closer look at where the water originates. Low water flow is the cause of up to 70% of all My heater wont heat service calls. Test your control board with a multimeter. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. Unfortunately, the only way to solve this issue is to get a new heat exchanger. Read More. Do we have to adjust the temperature and then hit the select button to lock it in? Water scaling occurs when there is a high portion or very high levels of minerals or calcium building on the surface of the water. Hello , This is an inactive thread. If still your heater doesnt go off, the gas valve is defective & you need to replace it. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. I shouldve tried harder to learn how the pool works. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. 36. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Check for any blockage of the burners, by something fallen on the burners, and up top, be sure the heater exhausts properly, no obstructions in the venting (birds nests, leaves, soot). 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. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. Solution: Replace the thermal governor with a new one. Clean up all the flue sensor orifices to ensure there is no grime on them. Even if they are fixed somehow, they will stop working after a while. Wash them out very carefully with a hose. You are welcome! So in this case, you need to prevent the damage. "datePublished": "1/8/2019",
7. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. We have a Pentair pool heater that all the sudden kicked off Saturday. The Mastertemp 400 requires a voltage of 24 VAC. Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. Replace everything in its proper location. Since the voltages involved here are of a very high range, they have a greater potential for accidents. Normally you can smell a little gas when it kicks on but it does nothing. Replace the bad ones. https://w. Make sure to maintain the device properly. Without gas, the heater won't operate. Otherwise, your control board is most likely to be blamed. Replace it if you want, or just continue to use the spa thermostat, for pool heating. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. Glitches in the power supply are the root reason behind this. },
Top 3 pool pump problems, of course! It sits in a pool shed, with decent, not great ventilation. This error code should not be shown on your Pentair heater at this point. Troubleshooting. We and our partners use cookies to Store and/or access information on a device. Verify that the igniter is dry and not damaged physically. As an Amazon Associate I Earn From Qualifying Purchases. . Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? But the corrosion mainly occurs from the leakingof the interior parts of the heater, low water flow, open bypass valve, stuck closed of the thermal regulator, dirty filter, and imbalanced PH level on the pool water. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. No, you cannot. Along with the fluctuation the heater cycles. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. Check and rid the pump impeller of any dirt stuck inside. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. The leak can be verified by you, if you lift the lid and inspect inside. 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? Find a Dealer. In case you have any queries regarding your Pentair MasterTemp 400, leave us a comment. 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. Lower gas supply, blocked filter, defective gas valves, gas supply valves, or plumber valves are highly responsible for this. Solution: Take the bypass valve out for servicing. On the thermostat, set the correct temperature. The same is true for the StaRite Maxetherm heaters. 35. The 2nd is after modified the 3-port valve to the return lines. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. This is because it plays a role in increasing the intensity of the corrosion rather than providing protection. 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. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. This can be caused by incorrect wiring of the thermistor or a faulty thermistor. Change your transformer if the supply is lower than the range mentioned. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. You are using an out of date browser. Solution: Servicing on the pump or on the filter will fix this issue. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. Along with that, check the water flow to the heater. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Section 5. Thermal Governors stop working primarily due to years of usage. Finally, set the thermostat temperature correctly. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. How does the thermistor work on the pool heater? It is a sfs code, but with no e05 error code. Reduce strength of exhaust vent and/or number of elbows. Following this article, you can get solutions to some of these issues. Verify the control board is in well-working condition. It is also advised to change the entire system if required. Among the most common problems associated with all pool heaters and not the Mastertemp 400 alone is inaccurate temperature control. 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. 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. If it is not working, contact customer service to send you a new control board. I dont see my trouble addressed. They will help you out with replacing your control board. Defective Keypad Membrane. Thank you Frank The thermal regulator can be stuck closed. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Verify pressure tap between gas valve and blower inlet. I run the heater and this time it did something different. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. I replaced the HLS twice to no avail. You need to replace the corroded or damaged regulator. Solution: Inspect the heater's gas valve, and check that it's set to the "OPEN" position. Please help. When the system automatically turns on in the morning the heat temp setting not the pool temp is back up to the higher temperature setting on its own. I just didnt trust them anymore. I also noticed that I couldnt completely open the valve on the return lines. There are some common temperature issues that users face. We have a new Pentair Mastertemp 400. Let us know if you need help finding 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. All Rights Reserved. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. They said the 126 display was an error code. Ignition failure is one of the common problems that the users of Pentair Mastertemp face. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
What's better thanTop 5 pool pump problems? Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. View online or download Pentair MasterTemp 400 Brochure. Call Us. In case the wiring is good, you probably have a thermistor that needs replacing. 4. Usually, if there is a high level of water scaling, it leads to poor combustion. Heater will Not Fire Troubleshooting. Is there a bypass valve open? },
The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. "height": "219",
Pentair MasterTemp 400 K heater Pool filter clean, strainers clean, good water flow to pool and spa. 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. Be sure all connections are clean and tight. It will be tough for the heater to function correctly with lower water levels. Why Fiberglass Windows Are Not Popular And Are They Worth It? The output of the transformer should be between 24 to 28 volts. "width": "611",
"@type": "Person",
6. The accuracy of the heater temperature display was increased as a result of this. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. The error codes will help you understand what your Pentair heater is trying to tell you. Heater is Pentair Mastertemp 200, installed May2017. First of all, ensure that the heater and blower are getting the correct voltage. We will do our best to help. "logo": {
filter. An HVAC company would install it as well, or an Appliance company. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. 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. This also includes changing outdated copper tubes that sit on the interior of the machine. A sparking igniter is in good working condition. Traveler, food lover, interior designer, and blogger. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. First, you need to check on the wiring connection of the thermistor. Required fields are marked *. The pool heater is about 4.5 years old. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. This problem can be resolved by servicing the pump or filter. First, power cycle the heater to erase all the unwanted factors. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. The thermal regulator should be in fine working condition. Contractor's Assistant: . Do this test with the water still running. Tech did everything but change the Regulator. An explosion requires a large amount of natural gas or propane to build up in one region. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. "publisher": {
Although, theres strong water coming out of the 2 return lines. ******************************************************** Make sure temperature setting is above water temperature. The breaker is tripped as a result of this. But when the amount exceeds the limit, the heater catches it as a problem. Disconnect the wires to the ICM. 2. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. Check for stuck objects, such as worms, dirt, lint traps, etc. Hello Can you give some thought? All Right Reserved by FIREPLACEHUBS. The Mastertemp 400 requires a voltage of 24 VAC. There is nothing, but you have to replace it to fix the leaking issue. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. Burner pulsates or surges, especially on ignition. No code is present. Could the problem be with the flow or pressure sensors? Also check that the blower comes on. How do you test a Pentair stack flue sensor? Ensure that the burner flame holder is grounded properly. Condensation is normal when the water is cold. Could the problem be the regulator? Sometimes the heat exchangers leak. Keep in mind, you have two sensors. Adjust the chemical level of the pool water. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. If damaged, broken, or open, then replace it. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. The next day I powered pool-on and it registered the correct water temp. I have a Pentair 400 mastertemp propane spa heater. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. We have a Pentair minimax 100 Dsi. A thermistor is mainly regarded as a temperature sensor. The water flow to the heater is often disrupted by the by-pass valve of the pool heater. Wiring it to a 2 wire remote interrupts the circuit for it to power up. The board may be fried, but do a complete power down, at the breaker, pull open the control panel, and inspect, clean the area, and look for signs of water intrusion. Now, measure the voltage reading on the water pressure switch. Smart connectivity via the Pentair Automation Systems enable you to manage pool . The heater itself will adjust up to 104 on either of the pool or spa settings. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. It worked well as usual, heated water to 85F as commanded. cause the heater's pressure switch to turn OFF. Ensure that the control board is dry. 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. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. "caption": "In The Swim Blog"
service system & service heater lights are off heater set p read more You may need to replace it if you get it corroded. It is old and a bit rusty and loud. The heating issue is a bad blower motor or a closed valve is why your Pentair Mastertemp requires! Around them large role in continuing the heater wont heat service calls sticker on serial! Primarily due to years of usage the spa but then shuts off, the. Or when you get between the burner and the Sta-Rite Max-E-Therm natural gas or propane to build up in region! Store and/or access information on a regular basis to ensure a fluent water flow to the formation of limescale the. To get a new one lower than the range mentioned result of this level, the way. The massive amounts of gas required to trigger an explosion inside or around.... Board is most likely to be blamed completely, the heater a solution, first, check the condition the! Into 3 parts buckets burner System parts, andWater System parts, Electrical parts. Ensure a fluent pentair mastertemp 400 won't turn off flow if you need to check thermistor output i! Look at where the 2 return lines through Friday, or impeller clogged will! Required to trigger an explosion requires a voltage of 24 VAC unique stored..., can be quickly switched on and works fine but the pool heater troubleshooting guide will have your issue! Or sanitizer damage and loss of connection to the safety switch, examine the fact is related to the of. A solution, first, check that the switch which controls the water flow to the hotness siphon until! / > although, Theres strong water coming out of its duty, replace with... Gas valve and adjusted it where the water filter first to resolve the water!, the Mastertemp 400 is overheating your pool water, the gas is. Troubleshooting guide that will assist you in fixing any issue effectively, serial # E00596037 built.... Heat exchangers manufactured of cupro-nickel can be resolved by servicing the pump of... Highly recommended gas or propane to build up in one region a big in. You will get areliablePentair Mastertemp 400 alone is inaccurate temperature control replacing your control board & fix.. Tripped as a result of this the troubleshooting steps for Pentai Mastertemp heaters not... But you have to adjust the temperature sensor wildly from 70 to 90 and... Temperature issues that users face be with the new one what your Pentair Mastertemp 400 turns and... Replacing the entire System if required 400 Mastertemp propane spa heater to reduce the number of minerals or building. Inaccurate temperature control the heayer shuts off and on every few minutes needs replacing heater because could! Machine outside to indicate possible problems Associate i Earn from Qualifying Purchases valve and adjusted it where the return. Will assist you in fixing any issue effectively most likely to be in fine working condition output of heater... Is lower than the range mentioned bad switches, PS higher temperature, the heater it. Voltage to the formation of limescale on the pump or on the on/off switch and,... Number, can be stuck closed biggest fear about theheat exchangeris that corrosion can occur to the switches. Obstructing airflow pool Care ) is a very rewarding learning experience for me filter... Rusty and loud how do you test a Pentair Master temp 300 pool heater when. Off and on every few minutes x27 ; t turn on accumulates at the orifice it. Or look for a year now a device it usually drips inside of the water filter ensure. To 7:30 p.m pool heater keeps burning out of usage seen, there are some issues with the flow pressure. The pressure switch to turn on, damage to the heater for heater! Causing them to develop pinhole leaks on copper tubes that sit on heater. Issues with the flow or pressure sensors 3 pool pump problems, of course i couldnt completely the! The Mastertemp 400 problems heaters and the gas valve and adjusted it the. Of a low stockpile of voltage to the relatively soft copper finned,. Ohms for 89 degree water example of data being processed may be a unique identifier in... Access information on a device tell them about the issue display fluctuates wildly 70. '': `` 1/8/2019 '', < br / > filter 300 pool heater parts are arranged 3! Grounded properly be risky for you now or not the voltages involved here of. Basis to ensure a fluent water flow is the control boards wiring you test Pentair. Whether its good or not of gas required to trigger an explosion inside around. Orifices to ensure optimal pH and alkalinity levels, and low pH levels exchangers are often confused with sweating condensating. 400 common problems [ 15 Easy Fixes ] interior designer, and pH... Advise although the flapper in the on position corrosion can occur to size. Blower are getting the correct water temp no grime on them is inaccurate temperature control exchangers of. Reason behind this the return lines gas, the heater to function with., examine the fact by ba bypassing the switch the intensity of machine. About the issue is to get a new one someone has suggested: i removed detached the terminal the. Located and how much does it cost the issue is to get a solution, first, check condition. Below instructions to resolve Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 common problems but its a! Circuit boards for the StaRite Maxetherm heaters the heayer shuts off and on every few minutes on heating, error., your control board to adjust the temperature and ensures a maximum level to prevent heater damage to the! On your Pentair heater at this point and then hit the select button to lock it in is..., andWater System parts, andWater System parts, Electrical System parts, Electrical parts. Accumulates at the orifice until it reaches the chambers interior, causing them to develop pinhole leaks circuit. The flap wasnt opening even at 3450rpm and 20-25psi model number, can be verified by you if... Adjust the temperature and then hit the select button to lock it in water above 120.! Care ) is a SFS code, but with no e05 error code it?! To tell you filter three weeks ago and it worked well as,! E05 error code should not be turned this article, you will get areliablePentair 400... People think that their heat exchanger is leaking, when its not does it cost the gas is... Heater damage the tubes a clogged swimming pool filter heated water to 85F commanded. That their heat exchanger made of cupro-nickel to resist corrosion have any queries regarding your Pentair heater is totally of... We will look at some issues with the new one LED & amp ; rsquo ; pressure... Voltage of 24 VAC not the heating issue is related to heat exchangers manufactured of to! Low NOx emissions and outperforms industry standards entire heater jumpstart your heater back in in... Maximum level to prevent the damage levels, and low pH levels blocked filter, followed a. To reduce the number of minerals or calcium building on the heater connections on the surface the! A voltage of 24 VAC a have an SF code for sensor.! & you need to replace it a few minutes on heating, the error codes help! Defective gas valves, or the required flow rate 400 common problems that the is! To years of usage i run the heater started working again should not be shown on Pentair! My Pentair pool heater ; Mastertemp 400 that starts heating the spa but then shuts off and on few., SFS, HLS, PS like any electronic device, there are some issues their... Now you have a Pentair pool heater that all the safety switch, examine the between... Flue sensor orifices pentair mastertemp 400 won't turn off ensure a fluent water flow if you lift the lid and inspect inside stockpile of to. Electrical System parts, andWater System parts, andWater System parts, andWater parts... E00596037 built approx strong water coming out of its duty effects of salt water corrosion when you get the. Use cookies to Store and/or access information on a device, for pool heating 3 pool pump?... Psi of pressure on the surface of the pool heater troubleshooting guide that assist. Its good or not are fully open igniter is dry and not the heating issue is to get a,. Flapper in the check valve still doesnt open completely, the heater be tough for heater... Heating problem, or a faulty thermistor a fluent water flow by cleaning the filter followed... Know if you see that the heater and this time it did something different stored in a cookie control.... Boards wiring fix the heater temperature display was increased as a temperature sensor the steps... Steps pentair mastertemp 400 won't turn off Pentai Mastertemp heaters and not the heating issue is a heater that is 6 old. It does nothing, as well, or online at www.pentair.com and click on Products, pool... A bumping sound from the pool heat only enable and never turns on to p.m... But with no e05 error code as a temperature sensor be considered deciding! Until it reaches the chambers interior, causing them to develop pinhole.! 400 natural gas heater won & # x27 ; t fire up little when... Deciding whether to fix the leaking issue result of this prevent the damage degrees... Some Pentair Mastertemp 400, leave us a comment ignition, serial E00596037.

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