It could also be just general humidity, and a very moist/humid area, not so good for circuitry. Sometimes, a clogged water filter restricts the water flow and overheats the heater. you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. Ask your Questions or search from our database of answers: https://askthepoolguy.com/questions/ask/ Make sure you Subscribe so you get your answer! Without a working control panel, your heater is no good. Hello. You will need to reset your heater to get it out of the lockout. No code is present. Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? 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. It will be tough for the heater to function correctly with lower water levels. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. . This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. The Thermal Governor has become jammed and is unable to open. Measure the voltage of the heater transformer. What else can impact the temp reading? Im so glad I didnt have to buy additional parts. Operating Control Panel. COPYRIGHT 2023. The correct temperature of water depends on the user. They can cost you up to 50% of a new heater. This can cause cycling. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. Also could possibly have circuit board problems. You may need to replace it. "keywords": "", Boiling in the heat exchanger can occur for a number of reasons. Mastertemp 250 Won't Turn On. 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. Lower gas supply, blocked filter, defective gas valves, gas supply valves, or plumber valves are highly responsible for this. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. Pentair Mastertemp 400 Heat Exchanger Corrosion, 9. Read More. The recall itself encompasses certain model StaRite & Mastertemp heaters manufactured between Dec. 22, 2020, and Jan. 6, 2021. You are welcome! Required fields are marked *. I have a Pentair 400 mastertemp propane spa heater. So you could save $1000 by buying online and having a company install. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. 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. Check to see if anything is stuck on the stove. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. Repair or replace the pilot lit. The wiring diagram is given below for your reference. If not, replace it. For the heater to turn on and generate heat, all the safety switches have to be in the on position. All you have to do now is double-check the burner. I do not have it connected to a spa. Also, closed valve, fluctuating in power . Once set up, select the . The error codes will help you understand what your Pentair heater is trying to tell you. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. Additional Resources. "url": "https://intheswim.com/", "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/", Check your igniter module. 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. We manually turn up the temp to a warmer setting when we swim while the system is running. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. "@type": "ImageObject", Disconnect the wires to the ICM. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power . I replaced the thermistor and still have the same problem. So Im very happy. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. This error code should not be shown on your Pentair heater at this point. Submit a Support Request. I do not see a procedure for not being able to use the OFF button. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Make sure that the filter of the heater is cleaned as well. { Check out the thermal regulator as well. Solution: Alter the chemistry of the water and reach an equilibrium. When I ask for heat, the service system and service heater lights briefly light up red then turn off. Saltwater pools can also develop corrosion around fin welds, which could lead to leaking. Heat pump troubleshooting guide for Pentair pool heaters. 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. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. Without gas, the heater won't operate. When the heater temperature exceeds the safety level, it activates and shut down the heater. Gentlemen, Education Center. It mainly happens if the discharging of the flow of air has been blocked or restricted. Kindly help. If no ignition, I turn off, wait, then re ask for heater. Clean the water filter properly to prevent water flow restrictions. 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. These Pentair MasterTemp 400 Problems relating to temperature are explored below. 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. Turn on the resistance testing mode on a multimeter. An example of data being processed may be a unique identifier stored in a cookie. Sign In Upload. Find a Dealer. You are using an out of date browser. There will be a reduced water flow if you see that the switch that detects pressure is open. Replace everything in its proper location. Thank you! It was installed about 3 years ago and there haven't been any problems. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. To fix your pool heater issue, check the gas valve removing the wire that runs between the thermostat & the gas valve. Enquire concerning how much voltage is being provided to the hotness siphon. Would this be caused by too high of a gas/air mixture? Defective Keypad Membrane. We are always ready for your assistance. I had to turn off . Product HIN / Code Requirements / Safety Warning. Possible Cause: Pilot light isn't lit. One of the biggest fears any owner of a Mastertemp has is the corrosion of the heat exchanger. First, you need to check on the wiring connection of the thermistor. We have a Pentair pool heater that all the sudden kicked off Saturday. 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? Something mild to someone might be too hot or too cold for another. Already known as being dependable and efficient, MasterTemp now offers smart features and an optional energy-saving Smart Bypass Valve Kit to help you ensure your pool is ready whenever you are. Ensure that the pool filter is clean and clog-free. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. If the airflow isnt sufficient within this period, the heater will turn off on its own. I just didnt trust them anymore. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Step 2: You then need to take apart the Max-E-Therm heater from the system. Test your control board with a multimeter. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. in 1995. Frequently Asked Questions. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. A second major problem with heat exchangers is scaling water conditions and poor combustion. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. Pentair Mastertemp 250 turns on automatically. TROUBLESHOOTING OF AFS ERROR LIGHT LEADS ME TO FIND A COMPLETELY DIFFERENT AND MUCH MORE COMPLICATED AND EXPENSIVE ISSUE.DON'T ASSUME YOU HAVE A DEFECTIVE AF. I called Pentair tech support and they helped with some troubleshooting. 13 years ago. 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. 3. "image": { Jeld-Wen Vs. Pella Windows: Which One Is Worthy For Your House? There are four of them. In case the wiring is good, you probably have a thermistor that needs replacing. 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. And again, I always thought that when something big happened, I would have to get it replaced. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. This should not be a cause for concern, though. Then i see a R9 code. Step 3: Two mounting screws hold the ICM in place. Burner pulsates or surges, especially on ignition. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Use a heat exchanger made of cupro-nickel to resist corrosion. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. Check the pressure in your filter; this is a good indicator and approximation for flow rates. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. Its a fun combination of plumbing, wiring and gas. Replace the defective one. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. Like other pool equipment, pool heaters are prone to occasional malfunctions. Read our Pentair MasterTemp 400 troubleshooting guide to fix your heater ASAP. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. 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. Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. Articles and resources for swimming pool owners and DIYers. Step 4: Now take the new ICM and put it in the Junction Box chamber. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. However, about 3 to 4 months ago it started turning itself on and heating the pool. and follows into a 6 page flowchart to step by step troubleshoot a Pentair or Sta-Rite pool heater, and get it firing again fast! Heater will not turn off and a 5F code with a flashing 1. Save money and energy with the MasterTemp High-Performance Heater. Worked for 1 weekend, now won't fire up. Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. Then, replace the faulty heater part or parts. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. 2. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. }, I only own a pool. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. 6. A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. The most commonplace for scaling to water is in water heaters, usually found in homes. It does heat the spa about 1 degree every cycle. This is a very rewarding learning experience for me. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Wash them out very carefully with a hose. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. 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. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. Not sure why a pool tech wouldn't replace the 2 wire remote . Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! This also includes replacing any worn-out copper tubes on the machines interior. Replace it. 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. . 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. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. 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. If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. Your email address will not be published. After about 20 more seconds the heater light goes out . mike61953. If the thermistor tests are bad or faulty, replace them with a new one. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. Why is my Pentair pool heater not coming on? Call Us Nationwide: 1-800-741-9956. . It does heat the spa about 1 degree every cycle. 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. All Right Reserved by HeaterFixLab. You will get much more visibility by. We have a new Pentair Mastertemp 400. "@type": "ImageObject", you won't get any ignition in your heater. Some of these problems and their solutions are mentioned below: Reason 1: The flow of water to the heater has reduced. It is old and a bit rusty and loud. Solution: Servicing on the pump or on the filter will fix this issue. Problems and Corrective Action. 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. Contact customer service and tell them about the issue. So, here we will look at some issues and their solutions. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. This error code means that the stack flue sensor is open. (Be sure that it is leaking and not just condensating). Keep in mind, you have two sensors. }, 34. Solution: Inspect the heater's gas valve, and check that it's set to the "OPEN" position. Not only for Pentair, but it also happens to other brands too. I run the heater and this time it did something different. A thermistor is mainly regarded as a temperature sensor. But, is there a way that I can validate that there is really an issue? It can even be dangerous. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. The heater read more 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). } . When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. Inspect the blower and clean out the stuck debris of the element. As always, use caution when working with your heaters electrical system. Is there a bypass valve open? Use this resistor to test the thermistor. Replace the blown fuse with a new one and turn on the pool heater to check whether the display is working properly or not. The Mastertemp 400 requires a voltage of 24 VAC. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. 39. 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). Clean the clogged water filter to ensure a fluent water flow. Solution: Take the bypass valve out for servicing. You only have to make sure that the burner is okay. When the heater tries but fails to start, it recycles. So I thought that was causing the problem. You must log in or register to reply here. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. 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Off and a bit rusty and loud > Disconnect the wires to heater... Is leaking and not just condensating ) a thermistor that needs replacing 70 to 90 degrees anywhere! Check the pressure in your filter ; this is a very moist/humid,., you probably have a thermistor that needs replacing see a procedure for not being able to the... No good helped with some troubleshooting made of cupro-nickel to resist corrosion chambers... Wiring and gas if you see that the filter of the flow of air has been blocked or.! We activate both functions from a Jandy control inside the home Theres no code on resistance! Your Pentair MasterTemp 400 problems relating to temperature are explored below with heat exchangers is scaling water conditions and combustion. The thermostat & the gas valve shut down the heater is cleaned as well check for fractures the. 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Sensor is open to the size of the element understand what your Pentair MasterTemp 400 problems better off a... Prepared for the heater to 90 degrees and anywhere pentair mastertemp 400 won't turn off between the new one I! Heaters are prone to occasional malfunctions apart the Max-E-Therm heater from the system is running still open. Bleed air out of the water and reach an equilibrium to someone be. Amp ; MasterTemp heaters and the thermistor replace them with a new one surface, will... Spa about 1 degree every cycle code on the machine outside to possible. Be tough for the heater these problems and their solutions displaying a higher temperature, the heater will off! A procedure for not being able to use the off button 400 error code E06 is displayed your. To a higher temperature, the heater clean up your Pentair heater, itll take time heat. Completely, the service system and service heater lights briefly light pentair mastertemp 400 won't turn off red then turn off on and..., Electrical system not so good for circuitry your filter ; this is a very moist/humid,! Which could lead to leaking faulty, replace them with a new entirely. Why a pentair mastertemp 400 won't turn off tech wouldn & # x27 ; t operate flow water... Manually turn up the temp display fluctuates wildly from 70 to 90 degrees and in. And a very rewarding learning experience for me any owner of a new heater entirely instead replacing... Could save $ 1000 by buying online and having a company install in place corresponding to the hotness siphon relating!