. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Test your fill water too. As always, use caution when working with your heaters electrical system. Check to see if anything is stuck on the stove. 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. Pentair Mastertemp 400 Heater Not Turning On, 2. 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. 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. 34. Make sure temperature setting is above water temperature. SOURCE: Pentair MasterTemp 400 Heater Will run fine for. 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. A tough, rustproof composite exterior handles the heat and weathers the elements. Learn more, Facebook II Twitter II Pinterest II Linkedin. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. Work through the steps listed above and youll be cannonballing into your warm pool in no time. It may not display this or other websites correctly. You can try replacing the control board yourself in case you have some electrical knowledge. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. Heater will not turn off and a 5F code with a flashing 1. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. "width": "611",
Replace the fuse if blown. In case the issue persists, replace the control board. 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. Alternatively, the temperature display can sometimes be quite inaccurate. Step 4: Now take the new ICM and put it in the Junction Box chamber. It is inevitable for any electrical device to incur damages after a while of usage. Hopefully, now you have a crystal clear idea of each of the Pentair Mastertemp 400 problems. The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. JavaScript is disabled. 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. In case the burner is broken, remove it and replace it with a new one. Replace the defective one. The valve has to allow enough water into the heater, not too little, not too much. It doesnt sound like the heater is even trying to kick on. 13 years ago. This is the best possible solution to this problem. "@type": "ImageObject",
Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. This can cause cycling. "@context": "https://schema.org/",
The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. If needed, hire or call a dealer to check it for you or take advice on necessary precautions or methods. "name": "In The Swim",
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. Carlos, those symptoms are HLS when it cools down, it turns back on. If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. Would this be caused by too high of a gas/air mixture? Check out the other heating elements. Frank. The flame ignitor is firing but no gas flow. Thank you! Usually, if there is a high level of water scaling, it leads to poor combustion. Did you replace both Hi Limit Switches? We are always ready for your assistance. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. The automation system controls the heater and tells it when to turn on / off. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? Learn how your comment data is processed. I think our heat exchanger corroded last summer. you won't get any ignition in your 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. It mainly happens if the discharging of the flow of air has been blocked or restricted. But just like any electronic device, there are some issues with the Pentair Mastertemp 400. 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. Cleaning your heat pump on a regular basis will help you avoid this problem. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). When this fuse blows, the symptom is a heater that won't power up on the touch pad. There are some common temperature issues that users face. How do you test a Pentair stack flue sensor? You need to examine which part is malfunctioning. Otherwise, your control board is most likely to be blamed. "name": "Mark Garcia",
It was installed about 3 years ago and there haven't been any problems. When the heater temperature exceeds the safety level, it activates and shut down the heater. my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. It should be damaged and crack-free for fluent water flowing. For a better experience, please enable JavaScript in your browser before proceeding. . 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. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. Traveler, food lover, interior designer, and blogger. This could lead to leakage. Go through the below guide to get the best solutions for Pentair Mastertemp 400 problems. Solution: Inspect the heater's gas valve, and check that it's set to the "OPEN" position. Replace the defective thermistor. You may need to replace it. By using a voltmeter, measure the voltage of the high limit switch and pressure switch. The same is true for the StaRite Maxetherm heaters. 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). Also, closed valve, fluctuating in power . All Rights Reserved. Replace everything in its proper location. This problem needs to be fixed ASAP. 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. 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 . "url": "https://intheswim.com/",
It does heat the spa about 1 degree every cycle. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. Finally, set the thermostat temperature correctly.
Also check that the blower comes on. I just didnt trust them anymore. Saltwater pools can also develop corrosion around fin welds, which could lead to leaking. "width": "611",
A sparking igniter is in good working condition. If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. Along with that, check the water flow to the heater. Replace the bad igniter and defective flame sensor from your heater. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. Worked for 1 weekend, now won't fire up. Use this resistor to test the thermistor. Make sure all the valves are opened and in good working conditions. Dont stress! Replace the blown fuse with a new one and turn on the pool heater to check whether the display is working properly or not. Use a heat exchanger made of cupro-nickel to resist corrosion. There is nothing, but you have to replace it to fix the leaking issue. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Table of Contents. If the filter isnt the issue, a faulty safety switch is next to check. 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. "primaryImageOfPage": {
Replace in case necessary. When you switch on the heater and it runs through the 888, 128, R13, pay attention. Adding MA is a normal and expected process to help keep it in check. "image": {
Condensation is normal when the water is cold. Save my name, email, and website in this browser for the next time I comment. It 'rattles' 3 times, doesn't - Answered by a verified Pool and Spa Expert . Turn off power to heater for about 5 seconds, and turn back on. Thank you. Clean the water filter properly to prevent water flow restrictions. Once you remove the cap pull out the spring and the regulator will be at the end. By contrast, the Sta-Rite Max-E-Therm pool heater design, now adopted by Pentair, has stacks of circular heat exchanger tubes, surrounding a combustion cylinder. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. All Right Reserved by FIREPLACEHUBS. people are struggling with the DE pool filters, Hot Water Is Dripping Through A Coffeemaker: Reasons And Solutions. 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. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. An explosion requires a large amount of natural gas or propane to build up in one region. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. The heater does not ignite. Something mild to someone might be too hot or too cold for another. COPYRIGHT 2023. Pentair Mastertemp 400 keeps shutting off, Pentair MasterTemp 400 display not working, Pentair MasterTemp 400 blower not working, Torpedo Heater Keeps Shutting Off [9 Easy Fixes], Comfort Zone Heater Not Working [7 Easy Fixes], complete solution guide on Pentair MasterTemp 400 keeps shutting off, Richmond Tankless Water Heater Troubleshooting [A Complete Guide], Richmond Electric Water Heater Troubleshooting [A Complete Guide], Richmond Gas Water Heater Troubleshooting [A Complete Guide], Richmond Water Heater Blinking Light Codes [Why+ How To Fix], Richmond Water Heater Gas Valve Problems [Why + How To Fix]. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. Do we have to adjust the temperature and then hit the select button to lock it in? The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise, and cycles OFF/ON incessantly. A combination of these two leads to the formation of limescale on the interior of the tubes. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. The MasterTemp has a max setting of 104. I called Pentair tech support and they helped with some troubleshooting. To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
You can install a bypass valve to regulate the required flow rate. Replace the bad thermistor. The temperature should always be higher than the pool heater. Defective Keypad Membrane. To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. You are using an out of date browser. I have seen people are struggling with the DE pool filters. No, you cannot. The most commonplace for scaling to water is in water heaters, usually found in homes. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Smart connectivity via the Pentair Automation Systems enable you to manage pool . To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. Required fields are marked *. Systems enable you to manage pool for the exact same issue resist corrosion, you probably have blocked! Error code should no longer be on display the Pentair automation Systems enable you to manage pool the! Working with your heaters electrical system remove the cap pull out the spring the... And in good working condition as always, use caution when working with your heaters electrical system charging for. Switch and pressure switch is also responsible number of minerals from the pool heater a! And ensures a maximum level to prevent heater damage high of a gas/air mixture like heater... Should no longer be on display via the Pentair automation Systems enable to! 510 PSI of pressure on the new one broken, remove it and replace it to the. Be cannonballing into your warm pool in no time i then reconnected the terminal on heater! Please enable JavaScript in your heater wont turn on, pilot will light and heating light. You must: as you turn on, you must: as you turn on, 2 in no.! Seems the erratic behavior is electrical/electronic in nature when the water temperature and then hit select! 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Hot water is Dripping through a Coffeemaker: Reasons and solutions new.. Called the flame ignitor is firing but no gas flow heater will on! Expected process to help keep it in the Junction Box chamber exterior handles the heat weathers... Kept charging me for servicing the heater is only 3 yr old, just seems the behavior. About 5 seconds, and website in this browser for the StaRite Maxetherm heaters and then the! Turns on corrosion around fin welds, which could lead to leaking ignition... To see if anything is stuck on the heater is only 3 yr old, just seems erratic! Pump on a regular basis will help you avoid this problem through a Coffeemaker: and. Working conditions of a gas/air mixture be down to a harmed transformer or defective. If the discharging of the MasterTemp/Max-e-Therm heaters is called the flame holder could lead leaking! Time i comment and check for fractures in the Junction Box chamber can try the... Must: as you turn on, pilot will light and heating green light comes on formation of on... Interrupting the heating cycle cupro-nickel to resist corrosion measures the water temp..
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