13 years ago. Gas and air are mixed and ignited in the cylinder, which warms the tubes wrapped around the central burner chamber. my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. 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. In case the issue persists, replace the control board. Is the filter or baskets dirty, or impeller clogged? Would there be any kind of lockout that would prevent the heater to go into "off" mode. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. In case the burner is broken, remove it and replace it with a new one. If your heater is shaking, be sure that there is a problem with the heat exchanger. You must log in or register to reply here. This issue should be checked ASAP. Clean the skimmer or the strainer basket of the pump. you won't get any ignition in your heater. The heater read more Measure the voltage of the heater transformer. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. If no ignition, I turn off, wait, then re ask for heater. Test your control panel with a multimeter. "datePublished": "1/8/2019",
6. Could the problem be with the flow or pressure sensors? To allow water to pass through the heating system, make sure the valves are open. Be sure water flow is good (inspect internal bypass assy). By using a voltmeter, measure the voltage of the high limit switch and pressure switch. 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. See if the igniter fires when you turn on the heater. 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. Articles and resources for swimming pool owners and DIYers. If it does, you may have received a defective regulator in need of a replacement. I do not see a procedure for not being able to use the OFF button. Manuals; Brands; Pentair Manuals; Swimming Pool Heater; MasterTemp 400; . It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. We have a Pentair pool heater that all the sudden kicked off Saturday. Change your transformer if the supply is lower than the range mentioned. A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. First, check that the fuel supply is adequate and the gas pressure is good. Replace the defective thermistor. Hi Hugh, is it a Hayward heater? This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. We have a Pentair minimax 100 Dsi. He thought that with time, it dried out, thus returning to normal predictable function. A tough, rustproof composite exterior handles the heat and weathers the elements. Test your control board with a multimeter. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Repair or replace the pilot lit. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. 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. Basically, this problem occurs when there is no proper . The MasterTemp has a max setting of 104. Check through it. From our comprehensive article, you will get areliablePentair Mastertemp 400 troubleshooting guide that will assist you in fixing any issue effectively. (Be sure that it is leaking and not just condensating). when temp is down it kicks on as soon as it goes over setpoint it shuts off. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. A leaking heat exchanger is a serious situation. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. spa light is on. I have replaced the Stack sensor thinking that it was the problem. Hopefully, you will . Wait one minute. Water scaling occurs when there is a high portion or very high levels of minerals or calcium building on the surface of the water. This error code should not be shown on your Pentair heater at this point. For a better experience, please enable JavaScript in your browser before proceeding. 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. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel If it doesnt work, contact the Pentair customer support center. Pentair Mastertemp 400 Heater Not Turning On, 2. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. Reason 3: Bypass Valve has remained opened. Trouble shooting a mastertemp that will not turn on when buttons are pressed. Of course, there is also an internal bypass in most gas pool heaters. COPYRIGHT 2023. To fix your issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer to inspect your unit & fix the issue. You can also check it by seeing if it opens up when you put it in water above 120 degrees. What's better thanTop 5 pool pump problems? Sounds like a ghost in the machine! Enquire about how much voltage is being supplied to the heat pump. The following are some of these issues and their solutions: These are the possible solutions for this issue. Your Pentair MasterTemp 400 wont stay lit? . A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. But now, if you have any questions, leave a comment below. Use this resistor to test the thermistor. Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. The output of the transformer should be between 24 to 28 volts. 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. "width": "611",
Step 3: Two mounting screws hold the ICM in place. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. $4100 is not cheap. Check out the power supply to the pressure switch, fusible link, and high limit switches as well. Troubleshooting the stacked exchanger type of heater is not much different than other electronic or digital pool heaters. 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. Solution: Alter the chemistry of the water and reach an equilibrium. Fault Condition: HIGH WATER TEMP Alarm: Water . 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. 34. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. Installing a pool heater is not simple, but is done DIY all the time. You may need to replace it. A thermistor is mainly regarded as a temperature sensor. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. The next day I powered pool-on and it registered the correct water temp. I shouldve tried harder to learn how the pool works. Follow the below instructions to resolvePentair Mastertemp 400 keeps shutting off and on issue: Knocking sounds occurs due to the clogging in the skimmer or the strainer basket of the pump or the pool. Replace all the defective ones. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. But just like any electronic device, there are some issues with the Pentair Mastertemp 400. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. Then i see a R9 code. Lets start. Hello, I have a Mastertemp 200. 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. 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. It will create all sorts of trouble from ignition failure to displaying the wrong temperature. It 'rattles' 3 times, doesn't - Answered by a verified Pool and Spa Expert . It will be tough for the heater to function correctly with lower water levels. Make sure enough water flow by cleaning the filter. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. 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. Ensure that the burner flame holder is grounded properly. 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. Verify the control board is in well-working condition. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. 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. Clean up all the flue sensor orifices to ensure there is no grime on them. 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. },
39. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? Reduce strength of exhaust vent and/or number of elbows. in 1995. In some cases, the thermal governor that controls the cooling fans gets defects due to years of usage. Now, measure the voltage reading on the water pressure switch. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. Required fields are marked *. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. It mainly happens if the discharging of the flow of air has been blocked or restricted. 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. The mastertemp display doesn't light up when controlled remotely. "thumbnailUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
First, locate the thermistor of your pool heater. Home / Pool Repairs / Equipment Repairs / Pentair Pool Heater Troubleshooting Guide. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. UPDATE. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. Pentair Mastertemp 400 Heat Exchanger Corrosion, 9. 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. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. . So you could save $1000 by buying online and having a company install. All Right Reserved by FIREPLACEHUBS. "@type": "Organization",
The error codes will help you understand what your Pentair heater is trying to tell you. 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. "@type": "ImageObject",
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