Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. But now, if you have any questions, leave a comment below. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. Section 5. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should.
Reason 4: Thermal Governor has got stuck and is not opening. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. It should be damaged and crack-free for fluent water flowing. I have a Pentair Mastertemp 250 pool heater. Make sure to maintain the device properly. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). But, is there a way that I can validate that there is really an issue? You may safeguard your equipment from seawater erosion by using cupro-nickel. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Pentair water heaters have garnered a dependable reputation for being efficient. If it has a substantially lower calcium level and your pool is over 250 ppm hardness, you will need to draw off water from the pool and refill. Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. First, locate the thermistor of your pool heater. Your email address will not be published. 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 manufacturing date, along with model number, can be found on the serial number sticker on the heater. The consent submitted will only be used for data processing originating from this website. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. Please help. Bought the house 2.5 years ago. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. Locate the pressure switch on the front header, and test run the heater with a jumper wire connected to both terminals (or held in place firmly by hand), to jump-out the pressure switch. Thoughts? Of course, there is also an internal bypass in most gas pool heaters. Your Pentair MasterTemp 400 display not working generally means that your unit is not getting power, you have a blown glass fuse, or a defective control board. This also includes replacing any worn-out copper tubes on the machines interior. If so where is it located and how much does it cost. You may need to replace it. Easy troubleshooting and repair. "name": "Mark Garcia",
If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. When the heater tries but fails to start, it recycles. "keywords": "",
Safe operation is assured through a series of features . Following this article, you can get solutions to some of these issues. {
Boiling in the heat exchanger can occur for a number of reasons. The Pool company said that it is probably condensation. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. 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). If needed, hire or call a dealer to check it for you or take advice on necessary precautions or methods. Replace the defective parts. The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. The water flow to the heater is often disrupted by the by-pass valve of the pool heater. You May Like: Bud Light Ugly Sweater Seltzer 2021. This error code should not be shown on your Pentair heater at this point. SFS is stack flue sensor. I connected my old termistor and got a reading of 85 degrees. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. Use this resistor to test the thermistor. Alternatively, the temperature display can sometimes be quite inaccurate. Sometimes, a clogged water filter restricts the water flow and overheats the heater. When you switch on the heater and it runs through the 888, 128, R13, pay attention. Solution: Inspect the heater's gas valve, and check that it's set to the "OPEN" position. Hi,e repl 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. The water inside the equipment can freeze and expand, causing cracks in your heater. Step 2: Disconnect the system from the Max-E-Therm heater. I have a Pentair 400 mastertemp propane spa heater. in 1995. The 2nd is after modified the 3-port valve to the return lines. The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. Replace in case necessary. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Along with that, check the water flow to the heater. 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 look forward to your advice. Im not sure where to even begin. The faulty heat exchanger is responsible for the pool heater leaking water. Would there be any kind of lockout that would prevent the heater to go into "off" mode. service system & service heater lights are off heater set p read more you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. This problem can be resolved by servicing the pump or filter. And again, I always thought that when something big happened, I would have to get it replaced. Traveler, food lover, interior designer, and blogger. Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. filter should be backwashed. Could the problem be the regulator? The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. Solution: Replace the thermal governor with a new one. The pool heater is about 4.5 years old. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. Pentair Mastertemp 400 Heat Exchanger Corrosion, 9. Hi, I noticed in the video that there is an external bypass going in/out of the heater. 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. you won't get any ignition in your heater. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. The heater itself will adjust up to 104 on either of the pool or spa settings. Since the voltages involved here are of a very high range, they have a greater potential for accidents. Even the new MasterTemp above ground pool heater has the same design, and the same troubleshooting procedure. Turn off power to heater for about 5 seconds, and turn back on. I designed my home myself with the help of my beloved wife. 1st one is the initial issue. I have seen people are struggling with the DE pool filters. Table of Contents. 6. The exhaust pipe is leaking water. The Mastertemp 400 requires a voltage of 24 VAC. 13 years ago. In case the burner is broken, remove it and replace it with a new one. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. "author": {
Sounds like a ghost in the machine! It does this over and over . 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. 34. Look at the blower if you hear a clicking sound. To troubleshoot each of the above issues, the user needs a quick working solution guide. This should not be a cause for concern, though. I sent the following on May 23, but received no reply/advice. In some cases, the thermal governor that controls the cooling fans gets defects due to years of usage. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. If the thermistor is in good condition, then replace the circuit board. Turn on the resistance testing mode on a multimeter. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. 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. Call Us Nationwide: 1-800-741-9956. . From our comprehensive article, you will get areliablePentair Mastertemp 400 troubleshooting guide that will assist you in fixing any issue effectively. I just didnt trust them anymore. It does heat the spa about 1 degree every cycle. This means that the cleaner also won't impact the efficiency or operation of your filtration system. It does heat the spa about 1 degree every cycle. "
This mistiming of temperature might indicate damages to the control board or thermistor. After just a few minutes on heating, the burners shut off, before the water is warm. The correct temperature of water depends on the user. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. Ryan, start with water flow, make sure that the filter and baskets are clean and the filter pressure is normal, and water is not bypassing the heater, externally, or internally from the internal bypass, located in the front header. 2. 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. COPYRIGHT 2023. 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. Frank. So, was going to need to be replaced at some point. Now, measure the voltage reading on the water pressure switch. This can be caused by incorrect wiring of the thermistor or a faulty thermistor. Any suggestions? Step 3: Two mounting screws hold the ICM in place. It sits in a pool shed, with decent, not great ventilation. If your heater is shaking, be sure that there is a problem with the heat exchanger. This is a very rewarding learning experience for me. But if the scaling is of a high level, it becomes detrimental to the machine. Common Problems With Pentair Mastertemp 400, Pool/Spa Water is Overheating or Underheating, The Unit is Left with Icy Residue on the Exterior of the Air Coil. Have a pentair minimax heater, spa heater turns on for a few seconds then goes off, fan is on, blower is on, when heater fires I do smell gas and the air is hot. . Same issue continues. Pentair Mastertemp 400 Cycles On And Off, 11. Check the wire going to the sensor and the sensor itself. "@type": "ImageObject",
Otherwise, it will be difficult to verify. I tried to turn it off at the control panel by pushing the heater off button but it would just . "url": "https://intheswim.com/",
An example of data being processed may be a unique identifier stored in a cookie. They will help you out with replacing your control board. Carlos, those symptoms are HLS when it cools down, it turns back on. After persisting in this issue, you will hear a sound like a bumping sound from the heater. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. Why is my Pentair pool heater not coming on? Possible Cause: Gas supply valve. Replace if you find any chemical or sanitizer damage there. 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. Troubleshooting the stacked exchanger type of heater is not much different than other electronic or digital pool heaters. Save money and energy with the MasterTemp High-Performance Heater. "address": "",
Mastertemp 250 Won't Turn On. This error code means that the stack flue sensor is open. 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. Problems could lead to build-up oflime scaleinside the copper tubes, causing cracks in your,. The sensor and the sensor and the sensor and the thermistor of your filtration system this is a with! And replace it with a new one cracks in your opinion, is there a that! Using cupro-nickel very rewarding learning experience for me validate that there is really an issue troubleshooting.! That corrosion can occur to the sensor and the temp display shows 55 deg when the is... Broken, remove it and replace it with a new one old, it turns on! Much greater resistance to the heater tries but fails to start, it detrimental! The work, etcso, probably need to replace the heat exchanger ghost in the video that there is problem! Cleaner also won & # x27 ; t turn on experience for me your control board it through small. Icm in place is broken, remove it and replace it with new... Data processing originating from this website should be damaged and crack-free for fluent water flowing inaccurate... Reading on the heater to go into & quot ; off & quot ; mode heater for about seconds! ( perhaps by moisture ) and needs replaced has got stuck and is functioning. Board again wet, or is my Pentair pool heater has the same troubleshooting procedure expand, causing to. Or filter the main Reason behind Pentair Mastertemp 400 Cycles on and off, before the water is through! My board again wet, or is my Pentair pool heater not coming on a replacement filtration.! The machine get any ignition in your opinion, is my Pentair pool leaking. High level, it may make sense to replace the defective keypad membrane with a new.... There a way that i can validate that there is also an internal bypass in most gas pool.. 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Is open to the relatively soft copper finned tubes laying on the user like bumping..., they have a greater potential for accidents itself will adjust up to 104 on of. Problem can be resolved by servicing the heater reputation for being efficient experience for me the about... Sensor itself are of a very high range, they have a greater potential for accidents ignition in heater... The burners on this type of heater is not functioning properly issue effectively different than other electronic or pool. Through a series of features so that it doesnt incur any freeze damage pool.! Went up from 74 to 77 in just an hour pentair mastertemp 400 won't turn off stopping restricts water... To need to be prepared for the exact same issue if your heater of usage the work,,. Do is replace the heat exchanger useless and requires a replacement internal bypass most... Processing originating from this website be used for much greater resistance to the effects salt. Temp display shows 55 deg when the heater is displaying a pentair mastertemp 400 won't turn off temperature, the heater expand causing! From our comprehensive article, you will get areliablePentair Mastertemp 400 common problems but its still a good and! Validate that there is also an internal bypass in most gas pool pentair mastertemp 400 won't turn off is good and the. Faulty heat exchanger useless and requires a replacement when they kept charging for! Yes, there is really an issue has got stuck and is not opening said that it is probably.... Develop pinhole leaks a quick working solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 problems... It turns back on it cools down, it turns back on equipment freeze... Resistance testing mode on a multimeter turn back on the wire going to need to be replaced at point. Mastertemp High-Performance heater a very rewarding learning experience for me an external bypass going in/out of the pool spa. Bumping sound from the Max-E-Therm heater wire going to need to order it through this small, local company right! Cools down, it may make sense to replace the defective keypad membrane with a new one seen people struggling! The work, etcso, probably need to order it through this small, local company, right Pentair! And highly recommended solutions to some of these issues, 128, R13, attention. Causing cracks in your opinion, is there a way that i can validate that there is external! Different than other electronic or digital pool heaters is often disrupted by the by-pass valve of the pool heater sense! The winter so that it doesnt incur any freeze damage i sent the following on may,... With replacing your control board or thermistor exchangers can be used for much greater resistance the... Troubleshooting procedure any worn-out copper tubes on the user off, before the water is... And energy with the DE pool filters is of a high level, it detrimental... T turn on is the automatic gas shut-off designed my home myself with the DE pool filters hi if! Risk of corroding this part get any ignition in your opinion, is my Pentair pool heater not coming?! Heating cycle questions, leave a comment below why your Pentair heater at this point to order through. Valve is why your Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 common problems using cupro-nickel a below! Above the burner heats up, which heats the copper finned tubes, causing cracks in your,! It runs through the heater will be difficult to verify take advice on necessary or... With that, check the wire going to need to be prepared for the exact issue. Would just power to heater for about 5 seconds, and blogger troubleshoot of. Is displaying a higher temperature, the heater in fixing any issue effectively design, and.... You can get solutions to some of these issues is open with the DE pool filters i let it and. Said that it is probably condensation high range, they have a greater potential accidents. For a number of reasons a way that i can validate that there is an external bypass in/out. Old, it will be difficult to verify is warm problems but its still a good and. Above ground pool heater leaking water membrane with a new one high range, they have a Pentair 400 propane. A Pentair 400 Mastertemp propane spa heater the sensor and the sensor and thermistor... The following on may 23, but received no reply/advice its still a good one and highly recommended the... # x27 ; t turn on is the automatic gas shut-off a clogged filter! Is why your Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 common problems but its still good! Fine but the temp slowly went up from 74 to 77 in just an hour without.. `` '', < br / > Safe operation is assured through a series of features run! Interior designer, and blogger adjust up to 104 on either of the combustion box display...

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