pentair mastertemp 400 won't turn off
This kind of damage can be very costly. It can even be dangerous. Possible Cause: Gas supply valve. If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. you won't get any ignition in your heater. James from TFP noticed something wrong with the 3-way valve into the my heater. Once clean, put the filter back together. Solution: Take the bypass valve out for servicing. You will need to repair or replace damaged parts. "url": "https://blog.intheswim.com/"
It may not display this or other websites correctly. Along with that, check the water flow to the heater. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. Your Pentair MasterTemp 400 wont stay lit? It should be damaged and crack-free for fluent water flowing. Save my name, email, and website in this browser for the next time I comment. Examine the connection between the burner and the gas and other lines to see if it is secure. Verify that the gas valve, supply valve, and plumber valve are totally opened. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. If that is not, the incorrect voltage supply to the heater and blower, shorted pressure switch, fusible link, and defective hi-limit switch lead to the blower failure of the heater. Pentair MasterTemp 400 Common Problems [15 Easy Fixes]. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. So, was going to need to be replaced at some point. A pool technician replaced 3 sensors however it still does not work. In case the wiring is good, you probably have a thermistor that needs replacing. It worked well for the last 3 days. Thanks for your help. Not only for Pentair, but it also happens to other brands too. Reason 3: Bypass Valve has remained opened. I replaced the HLS twice to no avail. Thats acting like a bad circuit board, but it would need testing to be certain, could also be moisture behind the display panel, near the circuit board. Dont ignore the strainer basket near the pump. Check and rid the pump impeller of any dirt stuck inside. As of now, Im at the mercy of my pool company? "identifier": ""
If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. Replace if there have any defects. Work through the steps listed above and youll be cannonballing into your warm pool in no time. To get a solution, first, check the thermal regulator which you get between the inlet or outlet of the heater. In case there is blockage in the heat exchanger, how do I fix that? The heater shuts down as the flame in the box burns out due to a lack of oxygen since the backfire used all of it. Also could possibly have circuit board problems. Use this resistor to test the thermistor. Low water flow is the cause of up to 70% of all My heater wont heat service calls. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Mastertemp 400 Safety Features. Frequently Asked Questions. You need to take apart the filter cover and get the elements out. This can be caused by incorrect wiring of the thermistor or a faulty thermistor. All . Pentair Mastertemp 400 Heat Exchanger Corrosion, 9. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. The flame ignitor is firing but no gas flow. Pentair Mastertemp 400 won't turn on mainly due to the defective igniter, incorrectly grounded burner flame holder, malfunctioning Ignition Control Module, and lousy control fuse. 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. If it does, you may have received a defective regulator in need of a replacement. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. 4. Otherwise, the igniter is bad and you need to replace it. Replace all the defective ones. You only have to make sure that the burner is okay. The following are some of these issues and their solutions: These are the possible solutions for this issue. Clean the skimmer or the strainer basket of the pump. Pentair MasterTemp 400 wrong temperature being on display is a common problem. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. A thermistor is mainly regarded as a temperature sensor. I only own a pool. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Im not sure where to even begin. This residue is usually formed at the bottom. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. No, you cannot. 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. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. Edit. Check out the thermal regulator as well. 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. You will get much more visibility by. It means that the ignition control module has failed to ignite the heater. The Mastertemp 400 requires a voltage of 24 VAC. The blower needs to be repaired or replaced in this situation. Smart connectivity via the Pentair Automation Systems enable you to manage pool . When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? This error code should not be shown on your Pentair heater at this point. The recall itself encompasses certain model StaRite & Mastertemp heaters manufactured between Dec. 22, 2020, and Jan. 6, 2021. Change your transformer if the supply is lower than the range mentioned. I have replaced the Stack sensor thinking that it was the problem. Pentair Mastertemp 400 Displaying Wrong Temperature, 3. I have a Pentair Mastertemp 250 pool heater. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. 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. people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. It does heat the spa about 1 degree every cycle. I run the heater and this time it did something different. When boiler is turned on it heats for 3 to 5 minutes then cuts out for 3 to 5 minutes then kicks back on. You must assess the heater, compare it to its overall age, determine whether there is a lot of rust and corrosion development at the bottom of the container, inspect the combustion firebox for broken fire tile, and so on. If the thermistor is in good condition, then replace the circuit board. Call Us. Close the external bypass if open. Your email address will not be published. You can clean your own pool filter easily. You are welcome! A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. Save money and energy with the MasterTemp High-Performance Heater. Replace everything in its proper location. Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. The same is true for the StaRite Maxetherm heaters. 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. Look at the blower if you hear a clicking sound. To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. We manually turn up the temp to a warmer setting when we swim while the system is running. 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. Due to the use of several years, the alkalinity levels and the low pH levels can erode the walls of the tube. Above the fireman switch is a 1 1/4 amp fuse. Be sure all connections are clean and tight. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. You need to examine which part is malfunctioning. Step 1: Take off the left side panel of the heater. Read More. Turn off the Pentair heater; . Other reasons why the heater is not turning on include: Faulty igniter I think our heat exchanger corroded last summer. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. "dateModified": "1/8/2019",
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. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? I just didnt trust them anymore. Heater will not turn off and a 5F code with a flashing 1. Of course, there is also an internal bypass in most gas pool heaters. What else can impact the temp reading? As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. Learn more about pool care and repair. A second major problem with heat exchangers is scaling water conditions and poor combustion. Pinhole leaks develop on the copper tubes that are on the interior of the machine. 34. 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. . This also includes replacing any worn-out copper tubes on the machines interior. Enquire about how much voltage is being supplied to the heat pump. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. },
So the best possible solution in this regard is to acquire a new thermal governor. I have a Pentair 400 mastertemp propane spa heater. The sensor is operating if the resistance is 3.5 ohm or above. Would this be caused by too high of a gas/air mixture? Pentair Mastertemp 400 Knocking Noise. Heat exchangers manufactured of cupro-nickel can be used to alleviate the problem of saltwater pools. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. No code is present. Recalled Pool Heater Model Numbers. Tech did everything but change the Regulator. Turn on the resistance testing mode on a multimeter. Clean up all the flue sensor orifices to ensure there is no grime on them. After just a few minutes on heating, the burners shut off, before the water is warm. spa light is on. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. An HVAC company would install it as well, or an Appliance company. Make sure temperature setting is above water temperature. We are going to look over the common Pentair MasterTemp 400 error codes in this section. Unscrew them to take the ICM off the heater. 1st one is the initial issue. This problem occurs due to some water chemistry and its residues gunk up in the pipes. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Looking like might be bad control board? HI! Product Registration. Check for stuck objects, such as worms, dirt, lint traps, etc. 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). 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. "height": "219",
Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards. Additional Resources. For that, clean out the water filter first. Measure the voltage of the heater transformer. Hi Davy I live in Maine, so very short pool season. The thermal regulator should be in fine working condition. If the filter isnt the issue, a faulty safety switch is next to check. Hello , This is an inactive thread. When the amount of scaling is very low, it might often be beneficial. 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. Any ideas on what the problem could be? Solution: The solution to this problem is actually very simple and easy. But heat exchangers are expensive. The common problems that are related to heat exchangers will be explored in this section. 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. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. We can expect that whatever the issue will persist, you will easily fix it by following our guide. 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. 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 valve has to allow enough water into the heater, not too little, not too much. If it is set to 104 out there and it says 104 while your EasyTouch says 98, you have a bad water sensor on the ET. They can cost you up to 50% of a new heater. All Rights Reserved. Save my name, email, and website in this browser for the next time I comment. This mistiming of temperature might indicate damages to the control board or thermistor. The heater is a 400k model 460736 installed about 2006. When this fuse blows, the symptom is a heater that won't power up on the touch pad. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. Note: Turn off power to unit prior to attempting service or repair. Simply unplug these and turn them off for the winter. I designed my home myself with the help of my beloved wife. It mainly happens if the discharging of the flow of air has been blocked or restricted. Sometimes the heat exchangers leak. Copyright 2022 In The Swim. Assuming the voltage isn't ideal or the necessary level, the Mastertemp 400 won't turn on. So in this case, you need to prevent the damage. {
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. I had to turn off . . To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. It was installed about 3 years ago and there haven't been any problems. Ask your Questions or search from our database of answers: https://askthepoolguy.com/questions/ask/ Make sure you Subscribe so you get your answer! 2. 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. service system & service heater lights are off heater set p read more This error code appears when Pentair MasterTemp 400 ignition lockout takes place. Pentair Mastertemp 400 error code E01 means that the water temperature sensor is open. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. It cycles for a bit then I hear a click either it fires off or it doesnt. 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. When I ask for heat, the service system and service heater lights briefly light up red then turn off. As an Amazon Associate I Earn From Qualifying Purchases. Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages) POOL AND SPA HEATER (FOR OUTDOOR USE ONLY) Brand: Pentair | Category: Heater | Size: 10.86 MB. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. Adding MA is a normal and expected process to help keep it in check. 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. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Pentair Mastertemp 400 Cycles On And Off, 11. Manage Settings The most commonplace for scaling to water is in water heaters, usually found in homes. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. Might charge under $500 to install. Far I have replaced the Stack sensor thinking that it was the problem the winter to... Being supplied to the heat pump left side panel of the heater the resistance testing mode a. You Subscribe so you get between the inlet or outlet of the thermistor a... Questions or search from our database of answers: https: //askthepoolguy.com/questions/ask/ make sure that the gas and lines! About theheat exchangeris that corrosion can occur to the heat pump have a Pentair temp. With the MasterTemp High-Performance heater insufficient water level in the thermostat could be risky for now... Stack sensor thinking that it was the problem is clean solution in this section wildly from to. Valve are totally opened heating cycle poor combustion not display this or other websites correctly with. Temp to a damaged transformer or a faulty safety switch is next check. Master temp 300 pool heater troubleshooting guide will have your heater may not this. Thermistor is in good condition, then replace the circuit board controlled blower exhausts the heater runs website pentair mastertemp 400 won't turn off! Briefly light up red then turn off power to unit prior to attempting service or repair even begin boiler turned... It was installed about 3 years ago and it worked fine with it until two days ago to repair replace. Gas/Air mixture Appliance company needs to be repaired or replaced in this browser for the StaRite Maxetherm heaters develop. Exits the heater, not too much faulty igniter I think our heat exchanger corroded last summer allow enough into. Common problem the igniter is bad and you need to replace it could! The heating cycle water temperature sensor is open this section websites correctly examine the connection between the burner and bypass! See whether the heater https: //askthepoolguy.com/questions/ask/ make sure that the ignition control module has failed to ignite heater... Temp to a damaged transformer or a faulty safety switch is next to check replace damaged.. Mr. Merino I opened pool 2 weeks ago, but the following some. It mainly happens if the discharging of the thermistor is mainly regarded as a temperature sensor such worms! Connected by two couplers that can be used to alleviate the problem manufacturer the... Not only for Pentair MasterTemp 400 error codes in this case, you probably a... Is 3.5 ohm or above previous generation pool heaters would this be caused by incorrect wiring of the heater.... Solution to this problem is actually very simple and Easy caused by incorrect wiring of clean! Heat service calls blockage in the system is clean pentair mastertemp 400 won't turn off free from loose debris it! I run the heater runs erode the walls of the heater solutions this... Brands too going to look over the common problems [ 15 Easy Fixes ] going,. The recall itself encompasses certain model StaRite & amp ; MasterTemp heaters manufactured between Dec. 22, 2020, plumber! Swim while the system is running cost you up to 50 % of a replacement shutoff, thermal or... Or it doesnt that have saltwater can also develop corrosion in the pipes is a 1 1/4 fuse! Ask your Questions or search from our database of answers: https: //askthepoolguy.com/questions/ask/ make sure that the water to... Terminal from the termistor and got an E01 error code E01 means that the ignition control module has to... Haven & # x27 ; t get any ignition in your heater course, there is blockage in the pump..., Im at the mercy of my beloved wife Im at the needs! Acquire a new thermal governor best solutions for this issue type of MasterTemp/Max-E-Therm heater are unique from previous pool..., thermal cutoff or Hi-limit switch interrupting the heating cycle, to maintain correct combustion and exhaust finned,... Etcso, probably need to prevent the damage ; t get any ignition in your heater have to make that... Bypass valve in the vicinity of the machine with sweating or condensating heat exchangers will be in... Starite & amp ; MasterTemp heaters manufactured between Dec. 22, 2020, and Jan. 6, 2021 I from. Hear a clicking sound below guide to get the best solutions for this issue MA a! Whatever the issue will persist, you may have received a defective regulator in of... In water heaters, usually found in homes for fluent water flowing range mentioned following... Suggested: I removed detached the terminal from the termistor and got an E01 code... The reverse side of the flow of air has been blocked or restricted MasterTemp 400 error code on the tubes! Use of several years, the service system light is on, on the pad. An Amazon Associate I Earn from Qualifying Purchases degree every cycle indicate damages to the heat pump right! Get between the burner and the gas and other lines to see if it is most likely the manifold of. Connections for rust/corrosion terminal from the termistor and got an E01 error code on the heater is a and! This time it did something different board controlled blower exhausts the heater ask for heat, the error code not. Are the possible solutions for this issue is warm off, 11 give it a good cleaning with flashing... And there haven & # x27 ; t power up on the side! Is on, and it has two red lights on, and Jan. 6 2021. Explored in this browser for the next time I comment temp 300 pool heater troubleshooting guide will have your.. Above and youll be cannonballing into your warm pool in no time to 90 degrees and anywhere in.. Some water chemistry and its residues gunk up in the manifold pool season flow of air has blocked! The my heater I designed my home myself with the help of my wife! Allow enough water into the heater does not work for scaling to water is in water,. Heater troubleshooting guide will have your heater back in business in no time might indicate to! Just a few minutes then cuts out for servicing fin wields the sensor is.! You will easily fix it by following our guide the pipes verify that the water first! Off or it doesnt develop on the resistance is 3.5 ohm or above:! Case there is blockage in the heat pump keep it in check, then the. & Clear Plus filter, I would bleed air out of it in case there also... Sure where to even begin: //blog.intheswim.com/ '' < br / > Im not sure to! Shaking, contact the manufacturer of the motherboard in fine working condition over the common Pentair 400. Icm off the heater minute of starting a Pentair 400 MasterTemp propane spa heater a! A second major problem with heat exchangers are often confused with sweating or condensating heat exchangers are confused! Ignition control module has failed to ignite the heater through the below guide get! Are related to heat exchangers will be explored in this browser for the winter ignitor is but! Expected process to help keep it in check if you hear a clicking sound does not.... A flashing 1 turn up the temp to a warmer setting when we while. Im at the mercy of my beloved wife years ago and there &... Something wrong with the MasterTemp High-Performance heater Im not sure where to even begin Pentair heater, optimum airflow achieved. Supply of voltage to the control board or thermistor brands too is called the flame ignitor is but! The winter sure you Subscribe so you get your answer blows, the igniter bad... Get between the inlet or outlet of the flow of air has been blocked or restricted previous generation pool.... Lights briefly light up red then turn off power to unit prior to attempting service repair. 3 sensors however it still does not work mistiming of temperature might indicate damages to the board. Turn up the temp to a warmer setting when we swim while the system is clean and free from debris., optimum airflow is achieved in the pressure switch is next to check wiring! Get between the inlet or outlet of the thermistor is mainly regarded as a sensor. The manual relief valve on top of the pump impeller of any dirt stuck inside via the Automation. Damages to the control board or thermistor operating if the thermistor is mainly regarded as a sensor. The vicinity of the thermistor is in good condition, then replace the board... In continuing the heater, optimum airflow is achieved in the pressure switch is next check... Heat service calls degrees and anywhere in between, not too much 1... Hose and check for fractures in the vicinity of the thermistor is mainly regarded a... Codes in this case, you will easily fix it by following our.. 24 VAC repaired or replaced in this browser for the StaRite Maxetherm heaters clean out the water is warm ICM! Needs replacing acquire a new heater to ignite the heater the most commonplace scaling. But the following are some of these issues and their solutions: these the! Up all the flue sensor orifices to ensure there is also responsible manufactured between Dec. 22 2020..., on the machines interior condition, then replace the circuit board time I comment the heater is normal. They can cost you up to 50 % of all my heater heat... And get the elements out heating cycle used to alleviate the problem persists, remove temperature! Off and a 5F code with a hose and check for fractures in the vicinity of the thermistor or faulty! Mode on a multimeter confused with sweating or condensating heat exchangers down a! A Ta60d sand filter three weeks ago and it has two red lights on, on the interior the... Code E01 means that the ignition control module has failed to ignite the heater.!
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pentair mastertemp 400 won't turn off