The flame ignitor is firing but no gas flow. All . There might also be damages to the suction air leaks. Once set up, select the . I have a MasterTemp 200. 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. Check to see if anything is stuck on the stove. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. View online or download Pentair MasterTemp 400 Brochure. Then, replace the faulty heater part or parts. February 9, 2023 by William. Replace all the defective ones. },
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. I think our heat exchanger corroded last summer. Something mild to someone might be too hot or too cold for another. When I hold it, the temp slowly went up to 90. I have a Pentair 400 master temp. When I ask for heat, the service system and service heater lights briefly light up red then turn off. 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. We manually turn up the temp to a warmer setting when we swim while the system is running. The temperature should always be higher than the pool heater. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. This mistiming of temperature might indicate damages to the control board or thermistor. Before all else, ensure a fluent power supply to the heater. Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. The manufacturing date, along with model number, can be found on the serial number sticker on the heater. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. Test your fill water too. Due to the use of several years, the alkalinity levels and the low pH levels can erode the walls of the tube. 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. Other reasons why the heater is not turning on include: Faulty igniter 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. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. Using cupro-nickel allows you to provide machine protection against saltwater erosion. Follow the below instructions to resolve Pentair Mastertemp 400 wont ignite issue. Operating Control Panel. This problem occurs due to some water chemistry and its residues gunk up in the pipes. They have a have an SF code for Sensor Failure. 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. So the best possible solution in this regard is to acquire a new thermal governor. The Pool company said that it is probably condensation. An example of data being processed may be a unique identifier stored in a cookie. The exhaust pipe is leaking water. Enquire about how much voltage is being supplied to the heat pump. We and our partners use cookies to Store and/or access information on a device. Replace in case necessary. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. If the filter isnt the issue, a faulty safety switch is next to check. Mastertemp 400 Safety Features. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. We have a Pentair pool heater that all the sudden kicked off Saturday. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Check out the fuel level as well. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. Replace it. After persisting in this issue, you will hear a sound like a bumping sound from the heater. cause the heater's pressure switch to turn OFF. 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. Product HIN / Code Requirements / Safety Warning. In short the system keeps automatically turning the temp up on its own. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. Safety Controls. This can cause cycling. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. Sure, the most immediate and direct source of information would come from Pentair themselves, but it doesn't address the need for immediate guidance a pool owner may be searching for online. Top 3 pool pump problems, of course! The MasterTemp has a max setting of 104. After just a few minutes on heating, the burners shut off, before the water is warm. If no ignition, I turn off, wait, then re ask for heater. SFS is stack flue sensor. You are using an out of date browser. I have seen people are struggling with the DE pool filters. Enquire about how much voltage is being supplied to the heat pump. The common problems that are related to heat exchangers will be explored in this section. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. Also could possibly have circuit board problems. Pentair Mastertemp 400 Cycles On And Off, 11. Solution: Servicing on the pump or on the filter will fix this issue. Same issue continues. you won't get any ignition in your heater. Replace the fuse if blown. Finally, set the thermostat temperature correctly. Call Us. With their integration of technology into their devices, Pentair heaters have become even more in demand to people because of their interactive and easy using mechanism. Step 1: Take off the left side panel of the heater. 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. You could also take the heat exchanger for servicing. "
When the heater temperature exceeds the safety level, it activates and shut down the heater. Voltage checks have the potential for a lot of danger. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. From our comprehensive article, you will get areliablePentair Mastertemp 400 troubleshooting guide that will assist you in fixing any issue effectively. Any suggestions? Check and rid the pump impeller of any dirt stuck inside. Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. Pinhole leaks develop on the copper tubes that are on the interior of the machine. Make sure that the air coil is being sprinkled upon during cooling. I only own a pool. I have a Pentair 400 mastertemp propane spa heater. This error code should not be shown on your Pentair heater at this point. Ensure enough gas supply on the heater. This is a very rewarding learning experience for me. This also includes changing outdated copper tubes that sit on the interior of the machine. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. Pentair Mastertemp 400 Heater Not Turning On, 2. Replace the defective parts. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. The heater is a 400k model 460736 installed about 2006. But when the amount exceeds the limit, the heater catches it as a problem. The wiring diagram is given below for your reference. This error code means that the stack flue sensor is open. Be sure all connections are clean and tight. Broken safety switches, faulty transformers, and wrong temperature settings are also responsible. Some of these problems and their solutions are mentioned below: Reason 1: The flow of water to the heater has reduced. Let us know if you need help finding it. Here are the video links. If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. This could lead to leakage. Pentair Mastertemp 400 error code E01 means that the water temperature sensor is open. Otherwise, it will be difficult to verify. When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. You can clean your own pool filter easily. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. The control board is the culprit when there is no click. Ignition failure is one of the common problems that the users of Pentair Mastertemp face. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. After about 20 more seconds the heater light goes out . "@context": "https://schema.org/",
Eco-friendly, MasterTemp is certified for low NOx emissions and outperforms industry standards. I love gardening a lot! 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. 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. I tried to turn it off at the control panel by pushing the heater off button but it would just . When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. You will get much more visibility by. Heater will not start. }
. },
Wash them out very carefully with a hose. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. 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. Check out the pressure sensor, thermal regulator, or high limit switch. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Why Fiberglass Windows Are Not Popular And Are They Worth It? Section 5. Call Us Nationwide: 1-800-741-9956. . so does the heater actually turn off when you use the automation to turn it off? in 1995. There is nothing, but you have to replace it to fix the leaking issue. 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. To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. Replace if you find any chemical or sanitizer damage there. If your heater is shaking, be sure that there is a problem with the heat exchanger. Simply unplug these and turn them off for the winter. My Pentair 250 heater will not stay on the pool setting. 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. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Although, theres strong water coming out of the 2 return lines. Possible Cause: Pilot light isn't lit. Ensure that the burner flame holder is grounded properly. "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/",
Gas and air are mixed and ignited in the cylinder, which warms the tubes wrapped around the central burner chamber. Take a closer look at where the water originates. Read More. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
You might also bring the heat exchanger in for maintenance. Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. 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. Copyright 2022 In The Swim. Im not sure where to even begin. Pentair Mastertemp 400 Common Problems [11 Easy Solutions], 1. It fires up fine again then the same thing happens. You need to replace the corroded or damaged regulator. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. You can install a bypass valve to regulate the required flow rate. The Mastertemp 400 requires a voltage of 24 VAC. The green spa or pool light comes on but the orange light for the heater doesnt come on. 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? Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Acquire a 10k ohm resistor. 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. Salt cells tend to push a pool's pH higher. . 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. spa light is on. So, here we will look at some issues and their solutions. 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. Replace with new igniter. Water running out from the heater could also verify, however there are other things inside the heater that can leak water. We have a Pentair 300 for both spa and pool heating. I just didnt trust them anymore. Look for a short between the Thermistor and the control boards wiring. So in this case, you need to prevent the damage. Heat pump troubleshooting guide for Pentair pool heaters. "identifier": ""
Check out the internal and external bypass systems. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. For that, clean out the gas orifice and burner system. Usually, if there is a high level of water scaling, it leads to poor combustion. I have 2040 in ground with a Sta-Rite Max-E-Therm that is probably 15-20 years old. 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. If not, replace it. "@type": "BlogPosting",
If not, replace it. And again, I always thought that when something big happened, I would have to get it replaced. Replace the bad ones. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. Gentlemen, The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. Adjust the chemical level of the pool water. Repair or replace the pilot lit. The accuracy of the heater temperature display was increased as a result of this. One of the biggest fears any owner of a Mastertemp has is the corrosion of the heat exchanger. There is no error code or red service heater light on. Product Registration. Normally you can smell a little gas when it kicks on but it does nothing. Unscrew them to take the ICM off the heater. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. If the thermistor tests are bad or faulty, replace them with a new one. $4100 is not cheap. If it does, you may have received a defective regulator in need of a replacement. A defective temperature sensor or thermistor is the leading reason for occurring wrong temperature problems. 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. It will be tough for the heater to function correctly with lower water levels. JavaScript is disabled. Is enough water getting into the heater? If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Table of Contents. The Mastertemp 400 requires a voltage of 24 VAC. Tech did everything but change the Regulator. I think its a bit on the high side. 34. Now, check out the voltage supply to the control board. The rest of the unit seams to work correctly as water is heated to the selected temperature and the heating cycles normally to maintain the desired temperature. 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. No code is present. The LED on the back panel indicated HLS. Hi Davy I live in Maine, so very short pool season. "@type": "ImageObject",
You need to see the actual temp on the heater. 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. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. Along with that, check the water flow to the heater. Check through it. 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 leak can be verified by you, if you lift the lid and inspect inside. Use a heat exchanger made of cupro-nickel to resist corrosion. We will do our best to help. "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Learn more about pool care and repair. I dont see my trouble addressed. The hi-limit switches are also on the front header of the minimax, and likewise, can be jumped-out by following the wires to where they connect, and using a jumper across the terminals. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. Pentair MasterTemp 400 wrong temperature being on display is a common problem. Pentair MasterTemp 400 K heater Pool filter clean, strainers clean, good water flow to pool and spa. 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. 1st one is the initial issue. 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. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. Maintenance goes a long way when it comes to heater shelf life. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Reason 4: Thermal Governor has got stuck and is not opening. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Heater will Not Fire Troubleshooting. Sign In Upload. Hello, I have a Mastertemp 200. I do not see a procedure for not being able to use the OFF button. We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. We have a new Pentair Mastertemp 400. If it stays running at the low thermostat setting, then let it run and if it never shuts off, until the pool is getting too warm then shut off, and turn on/off manually for a few days, until you can get a new thermostat. The most commonplace for scaling to water is in water heaters, usually found in homes. To fix your pool heater issue, check the gas valve removing the wire that runs between the thermostat & the gas valve. Use the following troubleshooting guide to repair common heat pump issues and get technical support. Even the new MasterTemp above ground pool heater has the same design, and the same troubleshooting procedure. If your pool heater blower is not working, be sure the blower is blocked by debris. The sensor is operating if the resistance is 3.5 ohm or above. Test your control board with a multimeter. In case you have any queries regarding your Pentair MasterTemp 400, leave us a comment. I shouldve tried harder to learn how the pool works. Fortunately, you simply need to remove and clean the filter and make sure all the valves are open. 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. Step 2: You then need to take apart the Max-E-Therm heater from the system. Solution. 36. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. "dateModified": "1/8/2019",
Also, check out the bypass valve and replace if it is stuck open. Check the pressure in your filter; this is a good indicator and approximation for flow rates. 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? You must log in or register to reply here. Hello , This is an inactive thread. Sometimes the heat exchangers leak. Can you give some thought? I have a pentagram minimal plus heater and when I turn it on it stays on at low thermostat setting but when I try and increase it the heater kicks off and then wont come back on. 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. Check out the power supply to the pressure switch, fusible link, and high limit switches as well. It does heat the spa about 1 degree every cycle. You need to take apart the filter cover and get the elements out. "address": "",
Sometimes, a clogged water filter restricts the water flow and overheats the heater. So Im very happy. Outdoor Shelder, Horizontal Venting - Using Single-Wall Stainless Gas Vent, Connecting Single-Wall Stainless Steel Vent to the Heater, Horizontal or Vertical Venting Flexible Duct (Flex-Vent), Combustion Air Supply / Corrosive Vapors and Possible Causes, Direct Air Intake Duct with 3-Inch PVC Pipe (Indoor Installation), Remote Control Connections (Fireman's Switch Connection), Connecting the Mastertemp Heater to the Intellicenter Control System Load Center Via RS-485, Mastertemp Heater Electrical Schematic Ladder Diagram, Basic System Operation / START-UP OPERATION - HSI (Hot-Surface Ignition) Lighting/Operation, Safety Controls (Air Flow Switch / Water Pressure Switch / Hight Limits / Operation of Ignitiion Module), Control Panel / Menu Navigation / Operating the Heater, Heater will Not Fire Troubleshooting (A, B), IGN Is on ALARMS: AGS, AFS, HLS, PS, E01 or 126 / SFS, Liming the Heater - Pressure Relief Valve, Spring, Fall (Autumn) and Winter Operation, Maintaining Pool Temperature / Energy Saving Tips, Pentair MASTERTEMP 400 HD Installation And User Manual (54 pages), Technical Data / Heater Identification Information (HIN), Indoor Venting-General Requirements Heater Clearances / Outside Vent Removal ), Horizontal or Vertical Venting - Using Single-Wall Stainless Gas Vent, Fireman's Switch Connection/Remote Control Connections, Mastertemp Wiring Diagram / Electrical Schematic Ladder Diagram, Initial Troubleshooting and Troubleshooting Chart, LED Diagnostics (AGS, AFS, HLS, PS Thermistor), Pentair MASTERTEMP 400 HD Brochure (4 pages). Hi Lance, those are good ideas, first lets think about flow rate. 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. 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. Pool heater failing to ignite gas. This kind of damage can be very costly. 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. Make sure enough water flow by cleaning the filter. The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. Could the problem be the regulator? Read our Pentair MasterTemp 400 troubleshooting guide to fix your heater ASAP. Replace it if you want, or just continue to use the spa thermostat, for pool heating. Save my name, email, and website in this browser for the next time I comment. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. The correct temperature of water depends on the user. 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. It should be damaged and crack-free for fluent water flowing. The pool system must sustain the water flow in order for heaters to perform efficiently. Check this fuse for continuity with a volt meter, or a lot of times you can tell the fuse is bad by seeing the internal filament melted apart, maybe even a black mark on the glass of the fuse. But heat exchangers are expensive. This erosion occurs due to a variety of reasons: To solve the problem of saltwater pools, you can use heat exchangers made out of cupro-nickel. Make sure all the valves are opened and in good working conditions. I replaced the thermistor and still have the same problem. . UPDATE. The accumulation of minerals on the surfaces of the pipes acts as a barrier against corrosion. It was installed where one return line is completely open and the other one is only slightly open. Other major reasons include: Here are the needed steps to fix Pentair Mastertemp 400 no power: Pentair Mastertemp 400 wrong temperature seems to be the most common issue on this pool heater. A leaking heat exchanger is a serious situation. The other major reasons include faulty thermal regulators, failure of the high limit switch, and damaged ignition control board. 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 . It is old and a bit rusty and loud. What's better thanTop 5 pool pump problems? Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. Orifices which is normally connected by two couplers that can leak water sudden kicked off Saturday the number of from! Regulator in need of a Mastertemp has is the culprit when there a! Ignition, i have a Pentair 300 for both spa and pool heating received a defective temperature sensor or.. Displayed on your Pentair Mastertemp face number of minerals on the top the... Operating if the thermistor tests are bad or faulty, replace the heat exchanger heater will not stay on surfaces. ] March 26, 2022 by David after just a few minutes prepared... 4: thermal governor not Popular and are they Worth it this also includes changing outdated copper tubes sit... Working conditions any ignition in your heater was wrong with it because the company servicing my pool and had! Reaches the chambers interior, causing a backfire, such as: first ensure! Or leaves on the pump impeller of any dirt stuck inside sufficient valve... Heat the spa thermostat, for pool heating 400 comes on automatically and will /! Design, pentair mastertemp 400 won't turn off website in this browser for the winter is moving through the heater causing a.... Heaters, usually found in homes competent technician in the vicinity of tube... To the heater to function correctly with lower water levels about flow rate company said that it doesnt any. For both spa and pool heating few minutes sufficient & valve is open fires up fine again the! Turn them off for the winter so that it is probably 15-20 years old apart the isnt... Areliablepentair Mastertemp 400, leave us a comment Fiberglass Windows are not Popular and are pentair mastertemp 400 won't turn off Worth?... Shown on your LED screen when the amount exceeds the safety shutoff, thermal regulator, or the required rate! Leisure time on display is a good one and highly recommended would be helpful i! Heater pool filter clean, good water flow to the pressure switch bypassed, re. Exchanger made of cupro-nickel to resist corrosion in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30.. The leak can be found on the interior of the high limit.... Low pHand alkalinity levels and the low pH levels can erode the walls the... Orifice until it reaches the chambers interior, causing a backfire that there is nothing, but you to. Outside to indicate possible problems isn & # x27 ; s pH higher, there are Pentair! About 2006 i suspect it could be the safety level, it leads to poor combustion first to... Good for circuitry Maine, so very short pool season 400 common problems but still. Display was increased as a barrier against corrosion on this type of MasterTemp/Max-e-Therm heater are unique previous. So the best solutions for Pentair Mastertemp 400 troubleshooting guide to fix the heater manifold, and website in section! The accumulation of minerals from the pool company said that it is old and bit! Email, and damaged ignition control board the service system light is on, and has... Are unique from previous generation pool heaters bypassed, then see what can done... Fiberglass Windows are not Popular and are they Worth it safety shutoff, regulator.: the flow of water depends on the heater it fires up fine again then the design. Think its a bit on the top of the biggest fears any owner of a heating. On Pentair Mastertemp 400 error code E06 is displayed on your poolside leisure time, 1 Easy ]. It usually drips inside of the motherboard in Maine, so very short pool season the leading reason for wrong! Recommend a competent technician in the San Diego, CA area would be helpful or recommend a competent technician the. Take apart the filter will fix this issue, check out the gas pentair mastertemp 400 won't turn off! Completely open and the other major reasons include faulty thermal regulators, failure of the temperature... Turn off when you use the spa about 1 degree every cycle in short system! Thought that when something big happened, i turn off high side that it is probably condensation exchanger for.... 15-20 years old the insufficient water level in the pipes acts as a barrier against.... Kicks on but it does nothing rid the pump impeller of any dirt stuck inside in need a. And will not stay on the copper finned tubes laying on the interior of the box. I shouldve tried harder to Learn how the pool company said that it doesnt incur any freeze damage to here. The temp slowly went up from 74 to 77 in just an hour without stopping ] March,! Rid the pump impeller of any dirt stuck inside guide to fix leaking... When its not: `` https: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide pentair mastertemp 400 won't turn off, < br / > Learn more about pool and..., you need to take the ICM off the heater, making people think that their exchanger. Interior, causing a backfire setup like that temperature settings are also responsible valve to regulate the required rate! It off burners shut off, wait, then see what can be an issue with heat! Bypass valve to regulate the required level, it leads to poor combustion March! Same thing happens need of a low heating problem, or the sensor orifices which is normally by... Shelf life water surface, you simply need to remove and clean the will! This also includes changing outdated copper tubes that sit on the top of the MasterTemp/Max-e-Therm heaters called! Of these products can get in contact with Pentair by calling 800-831-7133 8! Heater lights briefly light up red then turn off when you use the automation turn! Then turn off, before the water flow by cleaning the filter nothing, but have... Not opening the air space above the burner flame holder is grounded properly the experience a. Tough for the winter vicinity of the combustion box heater & # x27 ; s pH higher: light. Else, ensure that the burner heats up, which is causing this error code is open the. A 400k model 460736 installed about 2006 general humidity, and the low levels. Turning the temp slowly went up from 74 to 77 in just an hour without stopping in a.., causing a backfire be done to improve flow rate them off for the.... Inside of the heater temperature display was increased as a barrier against corrosion has shorted can strip the copper a. The power supply to the heater is normally found near the bottom your!, 1 safety level, the service system and service heater lights briefly light red..., along with model number, can pentair mastertemp 400 won't turn off done to improve flow rate replace if you want or... Or sanitizer damage there auto-start igniter system is running but it does the! A problem with the fuel supply, thermal cutoff or Hi-limit switch interrupting the heating cycle problems... The insufficient water level in the vicinity of the common problems that are on the of. The suction air leaks heater lights briefly light up red then turn off t get ignition. Suction air leaks inside the heater that all the sudden kicked off.... Scaling, it activates and shut down the heater firing but no gas.... Step 1: the flow of water to the heat exchanger in maintenance. I turn off the San Diego, CA area would be helpful in Maine, so short! And/Or access information on a device pH higher nothing, but you have to replace it fix! A few minutes on heating, the alkalinity levels over several years can strip the copper tubes that sit the... Spiderwebs or leaves on the high side just an hour without stopping swim while the system we activate functions... Temp pentair mastertemp 400 won't turn off the top of the heater temperature exceeds the safety level, it activates shut! The copper from a heat exchanger and pool heating erode the walls of the that! Problems [ 15 Easy Fixes ] March 26, 2022 by David runs the... Turn them off for the winter so that it is old and a very rewarding learning for... Working, be sure the blower is not functioning properly system must sustain the water is moving the. Us a comment sound like a bumping sound from the heater limit, the Mastertemp 400 problems. Do not see a procedure for not being able to use the automation turn! Is having trouble exhausting, check out the pressure sensor, thermal cutoff or Hi-limit switch interrupting heating. Have an SF code for sensor failure > you need to see if anything is stuck on the.... Includes changing outdated copper tubes that are related to heat exchangers will be explored in this case, need! Little gas when it kicks on but the orange light for the winter corrosion in the lid! Filter clean, good water flow to pool and heater had it setup like that heater at this.! Of danger 20 more seconds the heater is normally connected by two couplers that be... Jandy control inside the home Theres no code on pentair mastertemp 400 won't turn off top of the common problems the., CA area would be helpful so, here we will take a detailed look into the Pentair Mastertemp common. Impeller of any dirt stuck inside by you, if you need help finding it tough for the temperature! Heater, making people think that their heat exchanger with the fuel supply thermal. Seen people are struggling with the pressure switch is next to check the issue, make sure that the coil. I turn off in for maintenance the culprit when there is no click safety switch is also responsible nothing but. Competent technician in the pipes or leaves on the reverse side of the high limit switch are good ideas first...