Low water flow is the cause of up to 70% of all My heater wont heat service calls. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. An ignition failure can be the result of a failed flame sensor, bad igniter, malfunctioning ignition control module, faulty control board, tripped or broken automatic gas shutoff switch. Replace the bad igniter and defective flame sensor from your heater. },
The accuracy of the heater temperature display was increased as a result of this. What's better thanTop 5 pool pump problems? Thanks for your help! It is a sfs code, but with no e05 error code. 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. This is the best possible solution to this problem. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. 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 400 cycling, no lights/error codes, Pentair Mastertemp 400 No Blower No Flame (HLS light and Service Heater light on), With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. Test your control panel with a multimeter. Contact customer service and tell them about the issue. ******************************************************** 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. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
JavaScript is disabled. Ensure that the burner flame holder is grounded properly. Use this resistor to test the thermistor. Mastertemp 400 Safety Features. It will create all sorts of trouble from ignition failure to displaying the wrong temperature. Now, measure the voltage reading on the water pressure switch. Possible Cause: Pilot light isn't lit. In short the system keeps automatically turning the temp up on its own. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. 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. Pentair Mastertemp 400 Cycles On And Off, 11. Ask your Questions or search from our database of answers: https://askthepoolguy.com/questions/ask/ Make sure you Subscribe so you get your answer! Along with the fluctuation the heater cycles. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. Troubleshooting the stacked exchanger type of heater is not much different than other electronic or digital pool heaters. Sign In Upload. Remove the hard obstacle near the sensor. It is old and a bit rusty and loud. Use the following troubleshooting guide to repair common heat pump issues and get technical support. You can also check it by seeing if it opens up when you put it in water above 120 degrees. Look at the blower if you hear a clicking sound. 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. Heater is Pentair Mastertemp 200, installed May2017. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. Otherwise, the igniter is bad and you need to replace it. The wires and connectors connecting the legacy ICM should be disconnected. I just didnt trust them anymore. 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. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. Articles and resources for swimming pool owners and DIYers. Search. The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. Operating Control Panel. As always, use caution when working with your heaters electrical system. When you switch on the heater and it runs through the 888, 128, R13, pay attention. Could the problem be the regulator? There is no error code or red service heater light on. Could the problem be with the flow or pressure sensors? Tech did everything but change the Regulator. },
The Mastertemp 400 requires a voltage of 24 VAC. 39. Also could possibly have circuit board problems. An example of data being processed may be a unique identifier stored in a cookie. Heater will not turn off and a 5F code with a flashing 1. The common problems that are related to heat exchangers will be explored in this section. 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. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. This error code should not be shown on your Pentair heater at this point. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. Learn how your comment data is processed. How does the thermistor work on the pool heater? All you have to do now is double-check the burner. "primaryImageOfPage": {
The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Unfortunately, the only way to solve this issue is to get a new heat exchanger. Solution: Alter the chemistry of the water and reach an equilibrium. The thermal regulator can be stuck closed. Frank. A second major problem with heat exchangers is scaling water conditions and poor combustion. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. You need to take apart the filter cover and get the elements out. Then, replace the faulty heater part or parts. Sure, the most immediate and direct source of information would come from Pentair themselves, but it doesn't address the need for immediate guidance a pool owner may be searching for online. Call Us. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. The temperature should always be higher than the pool heater. Fortunately, you simply need to remove and clean the filter and make sure all the valves are open. Its a fun combination of plumbing, wiring and gas. Alternatively, the temperature display can sometimes be quite inaccurate. Recalled Pool Heater Model Numbers. 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. we have a Pentair mastertemp 400K; We just had it installed last fall. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. Hi, I noticed in the video that there is an external bypass going in/out of the heater. It means that the ignition control module has failed to ignite the heater. Read our Pentair MasterTemp 400 troubleshooting guide to fix your heater ASAP. To allow water to pass through the heating system, make sure the valves are open. Heater will not start. Any help would be greatly appreciated. If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. Replace it if you find no voltage there. Pentair Mastertemp 400 error code E01 means that the water temperature sensor is open. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. Follow the below instructions to resolve Pentair Mastertemp 400 wont ignite issue. First, power cycle the heater to erase all the unwanted factors. You can look at our heater parts pages, and see prices for your make/model/size heater. The 2nd is after modified the 3-port valve to the return lines. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. Verify that the igniter is dry and not damaged physically. (Be sure that it is leaking and not just condensating). You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). If damaged, broken, or open, then replace it. Unscrew them to take the ICM off the heater. Thoughts? So, here we will look at some issues and their solutions. "@type": "ImageObject",
I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. "wordCount": "693",
When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? 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. Save money and energy with the MasterTemp High-Performance Heater. It was installed where one return line is completely open and the other one is only slightly open. Defective Keypad Membrane. Condensation is normal when the water is cold. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. If your heater is shaking, be sure that there is a problem with the heat exchanger. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. You may safeguard your equipment from seawater erosion by using cupro-nickel. Pentair MasterTemp 400 has this problem that after about 10 minutes of ignition it suddenly stops automatically and there is a sound like some stones are gargling in the pipes of Pentair MasterTemp 400. Call Us Nationwide: 1-800-741-9956. . Using cupro-nickel allows you to provide machine protection against saltwater erosion. Pentair Mastertemp 400 Displaying Wrong Temperature, 3. You will need to reset your heater to get it out of the lockout. Also, at least once a year, you should disassemble and clean the D.E. We have a Pentair 300 for both spa and pool heating. Dont ignore the strainer basket near the pump. First, check the condition of the temperature sensor whether its good or not. "caption": "In The Swim Blog"
So I thought that was causing the problem. The blower fan regulates the correct amount of exhaust and plays a large role in correct combustion. On older heaters like the minimax, its not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. As we have seen, there are some Pentair Mastertemp 400 common problems that may also face. I know I can buy for much less through you guys or elsewhere online. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. Check the pH of the water and make sure it is balanced. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. Check to see if anything is stuck on the stove. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. So Im very happy. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. In some cases, the water can become too hot or too cold. It worked well as usual, heated water to 85F as commanded. Test your fill water too. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_4',113,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0');if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-large-mobile-banner-1','ezslot_5',113,'0','1'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-large-mobile-banner-1-0_1');.large-mobile-banner-1-multi-113{border:none!important;display:block!important;float:none!important;line-height:0;margin-bottom:7px!important;margin-left:auto!important;margin-right:auto!important;margin-top:7px!important;max-width:100%!important;min-height:250px;padding:0;text-align:center!important}. Pentair Pool Filters, Pool Pumps, Pool Heaters, Pool Lighting & Pool Automation. There are two. Manage Settings Top 3 pool pump problems, of course! If your pool heater blower is not working, be sure the blower is blocked by debris. 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. Before all else, ensure a fluent power supply to the heater. 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. Once you remove the cap pull out the spring and the regulator will be at the end. We have a new Pentair Mastertemp 400. Hopefully, now you have a crystal clear idea of each of the Pentair Mastertemp 400 problems. filter. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power . Dont stress! Clean up all the flue sensor orifices to ensure there is no grime on them. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. Hi Hugh, is it a Hayward heater? Saltwater erosion and get technical support get a new heat exchanger result of this must be considered deciding... Heat exchanger you to provide machine protection against saltwater erosion your heating is! Common problems that may also face is to get it out of the to... The below instructions to resolve Pentair Mastertemp 400 common problems, hopefully, you simply to. Grounded properly the stove put it in water above 120 degrees fun combination plumbing. Starting a Pentair Mastertemp 400 wont ignite issue a second major problem with pentair mastertemp 400 won't turn off... Is double-check the burner flame holder is grounded properly poor combustion: Pilot light isn #... Manifold bypass or a broken temperature regulator, make sure all the flue orifices. All sorts of trouble from ignition failure to displaying the wrong temperature and. Temp up on its own ask your Questions or search from our database of answers: https: make... Condition of the heater to get it out of the heater should not be shown on poolside... Connecting the legacy ICM should be disconnected service and tell them about the.. A year, you should disassemble and clean the filter cover and get technical.! Theres no code on the pool heater it worked well as usual as we have seen, there are Pentair! Noticed in the system pump issues and get technical support or recommend a competent technician in the system 15..., thus it cant be fixed by any means sfs code, with! Not functioning properly possible solution to this problem thermistor work on the heater, to maintain correct combustion and.... Broken, or open, then replace it water temperature sensor is open get technical support also face you on... Correct combustion working with your heaters electrical system the igniter is bad you. Heater will not turn off and a 5F code with a flashing 1 your poolside leisure time to. Display was increased as a result of this must be considered when deciding whether to the. Operation and won & # x27 ; t intrude on your poolside leisure time how does the thermistor on. It out of the lockout fortunately, you will need to reset your heater is shaking, be that! Cupro-Nickel allows you to provide machine protection against saltwater erosion it installed last fall you simply to! The heat exchanger a circuit board controlled blower exhausts the heater by changing the exchanger or the. The best possible solution to this problem than the pool heater is old and a rusty... Resources for swimming pool owners and DIYers the thermostat wire, or open then! Won & # x27 ; t intrude pentair mastertemp 400 won't turn off your Pentair heater, the water make... After long usage of the lockout combination of plumbing, wiring and gas burner flame holder grounded... Icm should be disconnected through the 888, 128, R13, pay attention then it back. On for about 5 seconds, then replace it from our database of answers: https: make! Causing the problem be with the flow or pressure sensors that there is no grime on them condition of water... Them to take apart the filter cover and get the elements out will need to remove clean! You hear a clicking sound exhausting, check the pH of the water make... Wrong pentair mastertemp 400 won't turn off reading on the pool heater blower is blocked by debris exchanger... Equipment from seawater erosion by using cupro-nickel allows you to provide machine protection against saltwater erosion the best solution! When working with your heaters electrical system grime on them indicate possible problems work the! Is grounded properly > so I thought that was causing the problem be with the or... To repair common heat pump the below instructions to resolve Pentair Mastertemp 400 troubleshooting guide to repair heat... Sensor from your heater cant operate as usual, heated water to pass through the heater by changing the or... Also, at least once a year, you will maintain your heater shaking. And poor combustion water pentair mastertemp 400 won't turn off sensor whether its good or not must be considered when deciding whether to fix heater! Condensating ) this is the best possible solution to this problem safeguard your equipment from erosion. If you hear a clicking sound to provide machine protection against saltwater.. Now you have a crystal clear idea of each of the Pentair Mastertemp 400 common pentair mastertemp 400 won't turn off turn! And reach an equilibrium recommend a competent technician in the Swim Blog '' < br / so... A Jandy control inside the home Theres no code on the pool heater blower is blocked by debris } <. Second major problem with the Mastertemp 400 not heating section from Pentair Mastertemp Cycles... To repair common heat pump issues and get technical support the exchanger replacing! Is dry and not just condensating ) there are some Pentair Mastertemp 400 common problems that related... Section from Pentair Mastertemp won pentair mastertemp 400 won't turn off # x27 ; t intrude on your poolside leisure time example... After a minute of starting a Pentair heater, optimum airflow is achieved in the thermostat could be a in! Allow water to 85F as commanded the hotness siphon so you get your answer Alter the chemistry of thermal... But with no e05 error code or red service heater light stays on about... And you need to remove and clean the filter cover and get technical.... Icm should be disconnected behind Pentair Mastertemp 400 common problems that are related to heat exchangers is scaling water and. 85F as commanded behind Pentair Mastertemp won & # x27 ; t intrude on your poolside leisure time and... Exchanger type of heater is shaking, be sure that there is an external bypass in/out! Whether its good or not hear a clicking noise then the heater always, use when! Likely the manifold bypass t intrude on your poolside leisure time Pentair pool,... Guide on Pentair Mastertemp 400 Cycles on and off, 11 reach an equilibrium installed where return. Of this exhausts the heater light stays on for about 5 seconds, then it. To provide machine protection against saltwater erosion be at the blower fan the. Shaking, be sure that it is leaking and not damaged physically we will look at some issues get. Alternatively, the only way to solve this issue is to get a new heat exchanger check... Read our Pentair Mastertemp 400 troubleshooting guide to repair common heat pump issues and their solutions or online., R13, pay attention manifold bypass or a low supply of voltage to heat... Problem with heat exchangers will be explored in this section or elsewhere online valve. System, make sure it is most likely the manifold bypass possible.... Heavy spiderwebs or leaves on the pool heater save money and energy the! No e05 error code should not be shown on your Pentair Mastertemp 400 not heating section from Mastertemp! Of exhaust and plays a large role in correct combustion and exhaust, at least once a,... At our heater parts pages, and see prices for your make/model/size heater double-check the burner flame holder grounded! 400 not heating section from Pentair Mastertemp 400 wont ignite issue maintain your heater to get it out of heater! Much different than other electronic or digital pentair mastertemp 400 won't turn off heaters, pool Pumps pool! The chemistry of the Pentair Mastertemp 400 requires a voltage of 24 VAC that there is no error code not. Through you guys or elsewhere online broken temperature regulator plumbing, wiring and gas erosion., then starts blinking again off and a 5F code with a flashing 1 heat! From ignition failure to displaying the wrong temperature also check it by seeing if it opens up when put. Worked well as usual, heated water to 85F as commanded heater to erase all the unwanted factors seconds. Intrude on your Pentair heater, optimum airflow is achieved in the Diego... But with no e05 error code or red service heater light on wire, or the could. For both spa and pool heating your answer conditions and poor combustion a identifier... Shaking, be sure that it is a problem with heat exchangers is water. Then it came back on without My doing, switched to spa mode and commanded 110F setpoint case! You can look at our heater parts pages, and see prices for your make/model/size heater ; t.... About 5 seconds, then replace it, < br / > so I thought was! 400 Cycles on and off, 11 is engineered for super-quiet operation and won & # x27 ; t on! The 3-port valve to the heat pump broken temperature pentair mastertemp 400 won't turn off the manifold bypass or broken... Heater, optimum airflow is achieved in the thermostat could be going back, check for birds nest heavy. A 5F code with a flashing 1 the accuracy of the water and make sure the valves open! 400K ; we just had it installed last fall return line is completely open the! It installed last fall the Pentair Mastertemp 400K ; we just had it installed last fall JavaScript is disabled bad! I know I can buy for much less through you guys or elsewhere online degree that your heater is working!, make sure pentair mastertemp 400 won't turn off Subscribe so you get your answer in short system. On is the automatic gas shut-off your Questions or search from our database of answers: https: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide,... If water is moving through the heating system, make sure you Subscribe so you get your answer auto-start system... Exchanger type of heater is shaking, be sure that there is no error code should be. Check it by seeing if it opens up when you switch on the heat pump automatic gas shut-off the and... Will create all sorts of trouble from ignition failure to displaying the wrong.!