This should not be a cause for concern, though. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. 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. When this fuse blows, the symptom is a heater that won't power up on the touch pad. If the resistance is zero, the stack flue sensor needs to be replaced. Sometimes the heat exchangers leak. 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. Replace everything in its proper location. Ensure that the control board is dry. I have a Pentair 400 mastertemp propane spa heater. 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. People often confuse or term this leakage as sweating. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. Installing a pool heater is not simple, but is done DIY all the time. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. Ensure the correct temperature of the thermostat. For a better experience, please enable JavaScript in your browser before proceeding. 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. "@type": "ImageObject",
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. We are always ready for your assistance. Clean up all the flue sensor orifices to ensure there is no grime on them. In short the system keeps automatically turning the temp up on its own. The thermal regulator should be in fine working condition. "@type": "ImageObject",
A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. Finally, set the thermostat temperature correctly. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel You can install a bypass valve to regulate the required flow rate. Are you experiencing issues with your Pentair pool heater? Sounds like a ghost in the machine! Check out the power of the transformer whether its all good or not. I think its a bit on the high side. It mainly happens if the discharging of the flow of air has been blocked or restricted. There are two. I run the heater and this time it did something different. Call Us. Hi,e repl The leak can be verified by you, if you lift the lid and inspect inside. Save money and energy with the MasterTemp High-Performance Heater. As of now, Im at the mercy of my pool company? If the automatic gas shutoff switch has tripped, you need to reset it. There are some common temperature issues that users face. Please help. You need to take apart the filter cover and get the elements out. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. If the thermistor is in good condition, then replace the circuit board. Once set up, select the . What else can impact the temp reading? Adjust the chemical level of the pool water. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? If you have a Pentair MiniMax NT and are experiencing technical issues, this blog is for you. Replace it. Heater will Not Fire Troubleshooting. 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. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Using cupro-nickel allows you to provide machine protection against saltwater erosion. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. Test the resistance of the pressure switch. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. Use a heat exchanger made of cupro-nickel to resist corrosion. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. Still have the power light lit but no other lights are lit. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. "dateModified": "1/8/2019",
I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. Is there a bypass valve open? 39. The Thermal Governor has become jammed and is unable to open. Otherwise, your control board is most likely to be blamed. 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. In some cases, the thermal governor that controls the cooling fans gets defects due to years of usage. If still, the problem is persisting, reset the heater by turning the breaker ON and Off positions. 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. You will need a screwdriver for this. Wait one minute. },
There are four of them. A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. 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 2: You then need to take apart the Max-E-Therm heater from the system. Then without warning, it started flashing the following error codes: Ad0 then SF 1 then 888 then 128 then r13, then keypad screen would go blank. Why Fiberglass Windows Are Not Popular And Are They Worth It? I designed my home myself with the help of my beloved wife. If your heater is shaking, be sure that there is a problem with the heat exchanger. It can even be dangerous. An example of data being processed may be a unique identifier stored in a cookie. The thermal regulator can be stuck closed. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. When I finally was able to control again (for a time, keypad controls seemed to be disabled), I shut heater off, let it sit for a time. Set the temp higher than your pool water. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. Check your igniter module. Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. 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. UPDATE. Would you know why the igniter on my Pentair pool heater keeps burning out? Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. This issue should be checked ASAP. 35. Replace the defective thermistor. I only found 1 small stone stuck inside where the bypass is. My MasterTemp 400 fails to work intermittently. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. We are going to look over the common Pentair MasterTemp 400 error codes in this section. Test your fill water too. This can be caused by incorrect wiring of the thermistor or a faulty thermistor. 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. To reduce the number of minerals from the pool water surface, you will need to replace the heat exchanger with the new one. You can look at our heater parts pages, and see prices for your make/model/size heater. Otherwise, it will be difficult to verify. Change the waters chemicals to achieve equilibrium. "image": {
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If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. Heater will not start. James from TFP noticed something wrong with the 3-way valve into the my heater. My Pentair 250 heater will not stay on the pool setting. Doing this will drain the heater of any water, ensuring that no part of it has enough water to freeze and expand, causing harm. The blower fan regulates the correct amount of exhaust and plays a large role in correct combustion. If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. ET Monday through Friday, or online at www.pentair.com and click on Products, then Pool . Read More. They can cost you up to 50% of a new heater. Home / Pool Repairs / Equipment Repairs / Pentair Pool Heater Troubleshooting Guide. All you have to do now is double-check the burner. 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. The other major reasons include faulty thermal regulators, failure of the high limit switch, and damaged ignition control board. The faulty heat exchanger is responsible for the pool heater leaking water. Other major reasons include: . 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. Hello , This is an inactive thread. I connected my old termistor and got a reading of 85 degrees. Measure the voltage of the heater transformer. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. 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. Connect each multimeter prong to the terminals on the stack flue sensor. 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. Solution. Replace the defective parts. Pentair Pool Filters, Pool Pumps, Pool Heaters, Pool Lighting & Pool Automation. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. Keep in mind, you have two sensors. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. Heat pump troubleshooting guide for Pentair pool heaters. The heater itself will adjust up to 104 on either of the pool or spa settings. It cycles for a bit then I hear a click either it fires off or it doesnt. Yes, there are some Pentair Mastertemp 400 common problems but its still a good one and highly recommended. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. It has a big role in controlling the heater operation. Basically, this problem occurs when there is no proper . No code is present. When your Pentair Mastertemp 400 keeps shutting off, it could be caused by a faulty temperature sensor, a low water flow rate causing the heater to overheat, or a bad control board. Check out the fuel level as well. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! "headline": "Pentair Pool Heater Troubleshooting Guide",
Enquire concerning how much voltage is being provided to the hotness siphon. The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. I shouldve tried harder to learn how the pool works. 1st one is the initial issue. 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. Worked for 1 weekend, now won't fire up. Jeld-Wen Vs. Pella Windows: Which One Is Worthy For Your House? Make sure all the valves are opened and in good working conditions. Test your control panel with a multimeter. Mastertemp 250 Won't Turn On. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. It doesnt sound like the heater is even trying to kick on. Email Us. "caption": "In The Swim Blog"
When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. This is because it plays a role in increasing the intensity of the corrosion rather than providing protection. Your Pentair MasterTemp 400 wont stay lit? But, need someone to do the work, etcso, probably need to order it through this small, local company, right. If it is set to 104 out there and it says 104 while your EasyTouch says 98, you have a bad water sensor on the ET.

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