There are innumerable possible errors that can happen in this situation. Here are the video links. I have a MasterTemp 200. "caption": "In The Swim Blog"
The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. 3. To safeguard your heater from freezing temperatures, do two things. },
The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. I have a Pentair 400 mastertemp propane spa heater. Finally, set the thermostat temperature correctly. Adjust the chemical level of the pool water. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. I have a Pentair 400 master temp. If the thermistor tests are bad or faulty, replace them with a new one. cause the heater's pressure switch to turn OFF. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. The Mastertemp 400 requires a voltage of 24 VAC. Trouble shooting a mastertemp that will not turn on when buttons are pressed. It does this over and over . Look at the blower if you hear a clicking sound. "caption": "In The Swim Blog"
Pentair Mastertemp 400 error code E01 means that the water temperature sensor is open. Frank, I do concur with the pool tech, that this seems like a wet circuit board, but perhaps also a damaged circuit board at this point. Something mild to someone might be too hot or too cold for another. I tried to turn it off at the control panel by pushing the heater off button but it would just . If not, replace it. ******************************************************** You will need a screwdriver for this. when temp is down it kicks on as soon as it goes over setpoint it shuts off. Other reasons why the heater is not turning on include: Faulty igniter filter should be backwashed. Worked for 1 weekend, now won't fire up. Hi Hugh, is it a Hayward heater? Examine the area for any clogs or impediments. 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. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. Replace everything in its proper location. You need to take apart the filter cover and get the elements out. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. Email Us. The heater should be set at 104 and let the automation do the rest. "@type": "BlogPosting",
There are some common temperature issues that users face. If damaged, broken, or open, then replace it. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? "mainEntityOfPage": "https://blog.intheswim.com/pentair-pool-heater-troubleshooting-guide/",
Without gas, the heater won't operate. . Wait one minute. Call Us Nationwide: 1-800-741-9956. . Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. You can install a bypass valve to regulate the required flow rate. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. Im not sure where to even begin. . I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. Your email address will not be published. What is the function of the High Limit Switch on Pentair? The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. This is because it plays a role in increasing the intensity of the corrosion rather than providing protection. . He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. I love gardening a lot! 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. 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. The heater is a 400k model 460736 installed about 2006. We and our partners use cookies to Store and/or access information on a device. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Any ideas on what the problem could be? Carlos, those symptoms are HLS when it cools down, it turns back on. Replace the bad thermistor. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. Turn off the Pentair heater; . 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. "keywords": "",
Without a working control panel, your heater is no good. "publisher": {
I replaced the HLS twice to no avail. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. 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. Replace the defective heat exchanger if needed. For that, clean out the gas orifice and burner system. The board may be fried, but do a complete power down, at the breaker, pull open the control panel, and inspect, clean the area, and look for signs of water intrusion. To get to the burner inside the heater, open it up. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. "@type": "ImageObject",
. Pentair Mastertemp 400 Blower Not Working, 10. Along with that, check the water flow to the heater. $4100 is not cheap. Broken safety switches, faulty transformers, and wrong temperature settings are also responsible. Replace if you find any chemical or sanitizer damage there. Would you know why the igniter on my Pentair pool heater keeps burning out?
Safety Controls. Pentair Mastertemp 400 Cycles On And Off, 11. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). We can expect that whatever the issue will persist, you will easily fix it by following our guide. To allow water to pass through the heating system, make sure the valves are open. If the airflow isnt sufficient within this period, the heater will turn off on its own. Not sure why a pool tech wouldn't replace the 2 wire remote . 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. The service system light is on, and it has two red lights on, on the reverse side of the motherboard. If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. "@type": "ImageObject",
Clean out the filter first to resolve the low water flow issue. Table of Contents. 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. You are using an out of date browser. Replace it. 39. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. 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. Defective Keypad Membrane. Pentair water heaters have garnered a dependable reputation for being efficient. Thanks for your help! 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. 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). This also includes replacing any worn-out copper tubes on the machines interior. If you deem it necessary, then clean the entire filter system. Articles and resources for swimming pool owners and DIYers. 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. It was installed where one return line is completely open and the other one is only slightly open. 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. All . So in this case, you need to prevent the damage. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. Thanks for the help. We are always ready for your assistance. Heater is Pentair Mastertemp 200, installed May2017. Product Registration. Any new postings here are unlikely to be seen or responded to by other members. Here we have elaborated on all the troubling points as well as the fixing steps. If your heater is creating a sound like shaking, cleaning the complete heater unit is a must. This problem can be resolved by servicing the pump or filter. IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. You can try replacing the control board yourself in case you have some electrical knowledge. First, you need to check on the wiring connection of the thermistor. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Can you give some thought? The Pool company said that it is probably condensation. A leaking heat exchanger is a serious situation. So, here we will look at some issues and their solutions. "identifier": ""
The solution to your heater issue is given in your previous comment. Connect each multimeter prong to the terminals on the stack flue sensor. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. 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. It sits in a pool shed, with decent, not great ventilation. If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. The same is true for the StaRite Maxetherm heaters. Worked for 1 weekend, now won't fire up. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. It was installed about 3 years ago and there haven't been any problems. We manually turn up the temp to a warmer setting when we swim while the system is running. Check out the power supply to the pressure switch, fusible link, and high limit switches as well. Thank you Frank This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. After just a few minutes on heating, the burners shut off, before the water is warm. The MasterTemp has a max setting of 104. They have a have an SF code for Sensor Failure. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. Pool heater failing to ignite gas. Reason 3: Bypass Valve has remained opened. 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. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Jeld-Wen Vs. Pella Windows: Which One Is Worthy For Your House? "height": "219",
Maybe that is it? Tech did everything but change the Regulator. Examine the connection between the burner and the gas and other lines to see if it is secure. Hello , This is an inactive thread. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. When it used to work I would hear a big kaboom sound and now nothing. Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. Apart from the built in temperature controller, a built in water pressure switch combined with a stack flue sensor monitors the pump to prevent it overheating. Cookies to Store and/or access information on a device said that it secure! Is running unclean, it needs to work more to provide equal amounts of heating as.! The basket lid you need to check on the wiring connection of thermistor! 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