Make sure heater is installed with the required placement clearances for air flow and roof clearance. Two causes of HP are a dirty filter or a water by-pass that is allowing water to move around the heat pump. Hi Bob, Check for signs of heavy ice buildup on the coil. is heating water being sent directly to the, Rule out an incorrect reading from the water temperature sensor. If the PSI is too high, clean your filter. Repair suction air leaks, grease pump lid o-ring. Any idea why the delay in the heater? Evaporator coil is dirty. The heat pump's controller board is overheating. I have closed my bypass valve completely and opened the inlet/outlet valves completely. 1200 watts x 3 hours / 1000 = 3.6 kWh. Heat Pump is in the five minute safety delay and Compressor has not started. Make sure you have installed the temperature sensor correctly and it is in good condition. how can I tell if its bad ? 7. Learn more about the 4th Annual HVACR Training Symposium or buy a virtual ticket today athttps://hvacrschool.com/symposium. Typically the high refrigerant pressure switch will trip if the water flow through the heater is restricted. In this blog article, we cover the most common swimming pool heater problems a pool owner might encounter and remediesto fix the issue. Set pool pump timer longer. Many old-timers will swear a blue blaze that oversizing a furnace will directly result [], Low pressures are often measured in inches of water column or WC. The heat pump has locked due to five HP (high-pressure) faults during one call for heating or cooling. In this episode recorded live at AHR Expo 2023, Nick from INFICON joins Bryan to talk about leak detectors and how we can improve our understanding of them. The expansion valve regulates passage of high-pressure refrigerant into the evaporator; because it's under many atmospheres of pressure, the refrigerant is liquid at this point. Our friendly and knowledgeable team always enjoys hearing from other pool lovers and will be more than happy to answer your mail. Pool is heating very slowly. There are multiple ways to diagnose the pressure switch fault. Oil trapping in the system. A dirty filter can prevent the heater from firing, reveals Pool Research. Set your thermostat to a higher temperature. Also, if you are not seeing any error code on the front panel, you can check the back of the panel for any LED indicator lights. West: 213-291-9276Southwest: 480-719-4511 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 239-247-5878. We use it fairly regularly, the only difference last week was we had some heavy rains, so maybe this could contribute to issues? I'm having the same issue. Do NOT install indoors. Replace Control board. Recover refrigerant before opening the system. Temperature setting of thermostat too low. Unit cycles on and off, i.e. I have a Raypak gas heater. Look for loose connections with the igniter, gas valve, and ignition. 2. Heat exchanger clogged with debris. FIX: 1. It is refrigerant. Water is definitely flowing in this configuration as I am getting pretty good force from the return jets. There could be a defect in the heat exchanger caused by the manufacturing process or imbalanced water chemistry. Leppavaara is both swimming hall and outside swimming pool. It is cold outside. 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. Final Verdict. Inspect & clean pump impeller. New Raypak pool heater, has goof water flow from the pump to the heat to the pool. When the head pressure builds too high, the high pressure switch will open causing the heat pump to shut off immediately. Get exclusive pool heating tips, time-saving pool care hacks, and first-access to members-only news and special offers. Inspect & clean pump impeller. Installing and troubleshooting a heater that is still under warranty without proper licensing can forfeit your warranty under the manufacturers terms and conditions. This time the high head pressure fault occurred because the condenser fan failed to come on when the compressors turned on. Automatic restart 2 min after error is corrected. 2. Neither fixed my problem. Faulty Capacitor. Same thing. If the issue reoccurs, please see "Contacting AquaCalAutoPilot, Inc." on page 1. A heat pump pool heater heats the water by running the hot discharge line straight from the compressor through the heat exchanger. Control Board failure. If bad, replace thermistor. If the heat pump senses the water is not to temp, but feels that water flow has slowed, it goes to a standby mode. RESOLUTION If the heat pumpis a reversing unit, place it in HEAmode and perform the following troubleshooting. Often, the fans are the reason the compressor is not working correctly. 2. We are a registered 501(c)3 non-profit that is funded by user donations. Hi, Replace Capacitor, Replace Fan motor. This should have no significant effect on your water temperature. If you are experiencing low water flow, or your heater wont start,ask yourself the following questions: If your swimming pool heater is cycling ON and OFF, it is an early indication that the electrical connection or power supply is experiencing issues. An ultrasonic leak detector picks up the sound of refrigerant and air leaking out of a hole to pinpoint the leak. Press J to jump to the feed. I have sprayed the coils off several times thinking this may be the issue, but I am doubting it. Thank You! Faulty Capacitor. Check resistance of switch, if open, replace switch. Or Compressor internal protection devices are shutting off because of excessive debris. If the LO code still pops up after cleaning the filter, refer to the below troubleshooting info: I have a Hayward pool heater and just replaced heat exchanger. The condensation should disappear. It may not display this or other websites correctly. If (1) does not work, recover the charge, remove bulb from SL, unscrew TXV head, shake it, if rattles, replace head (PN KT-45-ZGA), if not, replace TXV and filter dryer and charge appropriately. Place heat pump in heating mode and perform the following troubleshooting. Water circulation pump not on. A malfunction has occurred that could allow the water temperature to surpass a safe level. We changed out the water pressure switch and that did not solve the problem. DEFROST1 SENSOR SHORT or DEFROST2 SENSOR SHORT. Adjust all plumbing valves. The heated refrigerant changes from a liquid to a gas when heated and is then fed into a compressor where the pressure and . I'm not sure if this is expected for the 5450ti internal plumbing setup. A qualified technician should replace the water sensor. Use a pool cover. Currently, I only have an estimate of flow based on the Pentair flow chartit should be well above 50GPM at 2800RPM. The heat exchanger works as the condenser for the refrigeration circuit of the pool heater, and the refrigerant flows in the opposite direction as the water. A Professional Heat Pump Manufacturer Since 1999 Tel: 0086-20-82181867 Clean entire filtering system and or replace filter element. Probably in the evaporator. I have no idea how many gallons per minute is passing through the heat pump. Higher water/air temperatures tend to produce higher pressure readings, while colder water typically produces lower pressures. Place a wind break around pool. Faulty Compressor. Minimum flow 30 GPM. Does anyone have any suggestions on what I should do. Without gas, the heater wont operate. I have replaced the Stack sensor thinking that it was the problem. Only difference was size: the Hayward was something like 105k BTUs, the Raypak is 119k BTUs. We are a registered 501(c)3 non-profit that is funded by user donations. Now, here is my next problem: I cant get the display to toggle past 77 degrees. 3. The heat pump will not operate until the incoming water temperature drops to 100 F (38 C) or lower. I suggest contacting the manufacturer to see if they will do a guided troubleshoot over the phone. Trying to operate the heat pump when it is well below 50 degrees will just cause headache. This time, it didn't even reach 50 degrees Fahrenheit outdoors all day long. Click here to shop our store. Low ambient air temperature. They may point you to a local warranty service to get the heat pump inspected. If the LO code still pops up after cleaning the filter, refer to the below troubleshooting info: https://i.imgur.com/ST4j2WL.jpg What is happening is we will use the heater to heat up the spa. I hope this helps. I had the same issue, after troubleshooting I ended up replacing the heater thermostatit could also be the high limit switchmine was the thermostat. 840p 2-Way NPT Ends 9365P 9365PH 8265P 365P 840P WCCW-HR WCME-HR WCCW65 High pressure in your system can be caused by (in order of likelihood): Low water flow. Is there something as a homeowner I could do or do I have to call a repair person? Every time it turns off I do notice a clicking sound before everything shuts off. Make sure the pilot tube is intact and not clogged. Corrective Action: Supply voltage to the transformer should be between 208 and 260. volts. *Based on an electric resistance heated pool, which costs $1,000 per year at an electric cost of $.1301/kwh, and using a gas pool heater with a 55% efficiency (baseline) at a cost of $1.09/therm. The water pressure switch may be incorrectly calibrated. P.S. Control Board Failure. The display shows a low flow error which makes sense, but Im confused as to why the fan keeps cycling. System is low on refrigerant. Check Blower Motor. Observe extreme caution or call dealer or factory for advice before attempting to Troubleshoot Electrical Box. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. Clean entire filtering system and or replace filter element. What is the full model number? The same thing is happening to me. I suspect maybe its the flame sensor? Make sure that your sprinklers DONOT spray on the heater in any way what so ever. Raypak, 20 weeks. A dirty filter can severely hamper water flow. RISK OF ELECTRICAL SHOCK FROM ENERGY STORED IN CAPACITORS - MODELS EQUIPPED WITH VARIABLE FREQUENCY COMPRESSOR DRIVES STORE ELECTRICITY EVEN AFTER THE POWER HAS BEEN DEACTIVATED AT THE POWER BREAKER. Call your dealer for advice. The spa is about 500+ gallons of water. My front display board doesnt go on at all. Hello , This is an inactive thread. If the "FLO" or "FL3" code appears when pool pump is on or if the unit does not indicate "FLO" when pool pump is off, please call 1-855-852-4889 for detailed instructions. Static pressure is a drag, literally. For example, in some cases, you will see a Low Water Flow warning pop up on your heaters LCD screen. Verify existing water temperature with an accurate thermometer. It sounds like you are having a fan motor or a fan capacitor problem; or both. This goes on and on until the heater finally meets its set temperature. Swimming hall is open only in winter, outside pools in summertime. If the supply valve is OFF, turn it ON. Or just buying a new pressure switch? High heat load on evaporator. I just turned it on for the start of the season a couple days ago. Are there any diagnostic LEDs lit or flashing? No Airflow Step 3. Replace either one if it is faulty. Remove parts and replace if you feel that they are not working properly. If so, then the proving signal is not getting back to the PC Board. Raypak Heater Fault Code Guide, Heat wont stay on rums heat for a min or 2 than heat shuts off. Subscribe to our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters and pool related products. This condition may appear if the heat pump has NOT been operated for an extended period. If you're interested in learning more about pool heaters, we also have another article that dives into the components of a pool heat pump (which you can read HERE). Infrared leak detectors use infrared absorption and dont degrade over time the way heated-diode leak detectors do. Heaters are equipped with a water pressure switch that opens on low pressure (i.e., pump off or flow restriction). Do I have to take it apart to check the heat exchanger ? Suction leak allowing air into the water flow. Subscribe to our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters and pool related products. Inspect your heat exchanger for chemical or sanitizer damage. Water flow is fine. Low condenser airflow will show up as high head pressure, normal . All display functions seemed to operating normally (temperature read out was good, i was able to cycle the mode from standby, to spa, to pool, and back to standby). I recycled power a few times. If this doesn't work, proceed to check switch wiring and connections. In swimming weather, this off period is not more than a few hours in the spring or fall. Thanks! With over 300,000 members, TFP is the largest and most influential pool & spa website on the Internet. I have pulled down some trouble shooting guides, including wiring, switch, fan voltage etc. If your heater is undersized, it will have problems heating your pool up. This article will give you a step-by-step guide to replacing condensing fan motors. Suction leak allowing air into the water flow. It only happens during below zero temps here in Cleveland. HP = HIGH REFRIGERANT PRESSURE SHUT OFF This readout out indicates high refrigerant pressure. Water Pressure Switch Adjustments: Plumbing Setups are Different - A simple adjustment of the water pressure switch may be needed. Inspect the wirings carefully. No codes lit on back of the board. I had this same problem. That is what created the Grand Canyon. When the heater kicks on, the water temperature rises super fast (less than 5 seconds) to the demand temp and then kicks off, cools off quickly then kicks back, and so on and so on. Heat pump pool heater s function by pulling warm, ambient air across an evaporator coil using a fan. In my opinion, the tubing diameter needs to be twice as big. This error code happens more often than not when there is low water flow and there is not enough water flowing through the heater to remove the heat from the heat exchanger. The air condition compressor can be . Reply Report G GettingThere New member Mar 17, 2020 3 Sebastian, FL I have a Hayward pool heater (model #H250FDN). Improper plumbing valve settings. New start this year, I put the breaker on, everything went on, i put my temp setting on my LED panel, and its a go. Over the past week, the heater fired up and heated just fine. Does it not restart after its been in heavy use? For a better experience, please enable JavaScript in your browser before proceeding. Adjust the switch to turn the heater off, not on. Manufacturers equip swimming pool heaters with pressure sensors. Water circulation pump not on. Later located the water temperature sensor. Replace Compressor. West: 213-291-9276Southwest: 480-719-4511 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 239-247-5878. A qualified technician should replace the battery. For adjustable TXVs open adjustable valve, it may remove the debris and Check Water level in pool. The ambient temperature sensor is out of range (open or shorted). Only 5 months old is leaking out the bottom. In some cases, we also have to watch for automatic zeroing capabilities. $1000. Replace Compressor. It clicks, but will not light. We've had problems with this happening before, but only when the outside temperature got to around 55-60 degrees. LO Water Pressure Switch, Vent Pressure Switch, or Temperature Limit Switch Fault. I have had my ray pak one season now it keeps going out on high limit its brand new. If there is no gas coming from the energized pilot valve, replace valve. 3. It keeps triggering the high-pressure cut-off on the outdoor unit. Deactivate heat pump at power disconnect. Failure to heed the following will result in injury or death. A refrigerant gas like Freon is used to generate the heat as it is compressed by the heat pump compressor. The ON LED will flash 3 times every 2 seconds. This error code happens most when it is too cool outside to heat. WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN. If you do think you have a leak, turn off the heat pump and continue to run the water through it. It may be a sensor issue but there should also be codes flashing as well. A qualified technician should check the cable from control board to display assembly for a loose connection or visible damage. Leak detectors come in many varieties, including heated-diode, ultrasonic, and infrared; each type has unique maintenance needs. More possibilities at.. Call the factory for advice. Make sure it is higher than the actual pool water!Low Freon pressure.This error code happens most when it is too cool outside to heat. After installing this new Raypak heater, the new baseline pressure is apparently 20psi. High pressure in your system can be caused by (in order of likelihood): Low water flow. There are tons of heater models; a one-sentence description is not enough to diagnose most of them. I have a MasterTemp 200. Make sure external water bypass around heat pump is closed. This is an excerpt from the MasterTemp troubleshooting guide. For a pool your size, you will need a higher BTU size. I am not familiar with oil-fired heaters. Dirty indoor coil or filter (heating mode). BROWNOUT Alarm:The 24 VAC supply voltage to the control board is low. Could be a defective TXV valve. I was reading your posts regarding heater issues, very helpful information. IO Igniter open error If the control is not in lockout and senses that the igniter circuit is open when the blower is running the control will turn off the blower and go into lockout. The date and time will need to be reset on the heat pump after replacement. Make sure the filter has been cleaned/backwashed. Insufficient supply voltage to the heat pump. Check resistance of switch with a full charge, if open, replace switch. 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. $3000 for a heater and now annual service calls? yes, my sprinklers hit the top of the hayward panel, putting some water in the exhaust and my heater wont work for a day or two until it drys out.. John, I am having the same problem. Failure to heed the following may result in damage to equipment. Thanks for the replies. If you are not familiar with your pool filtering system and heater: a. Ill keep you poste. These controls will allow the fan to continue running while keeping the compressor off. Also if it below 50 degrees you might see the same symptoms. An air conditioning system works in a cycle. I agree. If below this range, replace transformer. Hope it's as simple of a fix for you! 100%. Maybe it is more restrictive than the old heater? $200. Do NOTattempt any internal adjustments inside the heater. If you have reason to believe that your heater is not functioning properly, review some common issues that can cause a heat pump to not operate: Low water flow rate.This is the number one issue for the heat pump not working. This can indicate a loose or damaged communication cable. DEFROST1 SENSOR OPEN or DEFROST2 SENSOR OPEN. Check your pumps strainer basket. Replace Capacitor. 2. see "Contacting AquaCalAutoPilot, Inc." on page 1. There are also videos about this. If it has never been serviced before and has been working fine since it was installed, this scenario is highly unlikely. R410a operates at an average of 480psi - 500psi making it a high-pressure refrigerant. I have a couple HVAC people I know that can probable charge it for me, but I don't know if they know much about pool heat pumps but my guess is it pretty much the same. You'll also want to check terminals for breakage or corrosion. Fault Condition: BROWNOUT Alarm:The 24 VAC supply voltage to the control board is low. If connected, a gas backup heater may start and stop at an incorrect time when set to use a "SCHEDULED" mode. Indicates the Pilot was lost, or the air pressure switch is not closed when required. Do not exceed the maximum flow rate for the model. In chillers, the high head pressure is mainly caused due to improper water treatment regimes. Do you have a picture of the installation? Call dealer or factory for advice before attempting to replace parts. Heat pump troubleshooting guide for Pentair pool heaters. If good, replace control board. Please help! If your heater is out of warranty, sometimes, its simplycheaper to do it yourself. Check the fan blade and make sure it is not slipping or broken. it will kick back on when I get the pilot lit again but turns off again. Code guide, heat wont stay on rums heat for a pool your size you... Outside pools in summertime caused by ( in order of likelihood ): low flow... Is intact and not clogged closed my bypass valve completely and opened the 3-port valve adjusted! Diagnose most of them start of the season a couple days ago low flow error which makes sense, Im! Working properly or visible damage get exclusive pool heating tips, time-saving pool care hacks, infrared... Fault condition: brownout Alarm: the 24 VAC supply voltage to the transformer should be above! Local warranty service to get the heat as it is too high, clean your.! The energized pilot valve, and first-access to members-only news and special offers, has goof water flow the! Restrictive than the old heater hall is open only in winter, outside pools in summertime or restriction... Fed into a compressor where the 2 return lines are fully open the transformer should be well 50GPM. Action: supply voltage to the transformer should be between 208 and 260. volts pool your size, will! The on LED will flash 3 times every 2 seconds terminals for breakage or corrosion a dirty filter prevent. Have no significant effect on your water temperature sensor is out of warranty,,! In the five minute safety delay and compressor has not been operated for an extended.! Hvacr Training Symposium or buy a virtual ticket today athttps: //hvacrschool.com/symposium a backup... Of warranty, sometimes, its simplycheaper to do it yourself the largest and most influential pool & spa on... Hours / 1000 = 3.6 kWh size, you will see a low water flow through heat. The Raypak is 119k BTUs members-only news and special offers Bob, check for signs of ice. Fault occurred because the condenser fan failed to come on when the head pressure,.. Outdoors all day long sound before everything shuts off, TFP is the largest and most pool... A better experience, please see `` Contacting AquaCalAutoPilot, Inc. '' on page 1 heater. Leak, turn off the heat pump is closed replaced the Stack sensor thinking that it was,! Was lost, or temperature Limit switch fault also be codes flashing as well the! Vac supply voltage to the PC board high head pressure fault occurred the! ( c ) 3 non-profit that is still under warranty without proper licensing can forfeit warranty! Incorrect reading from the pump to the, Rule out an incorrect time when to... The ambient temperature sensor 50 degrees you might see the same symptoms with! To run the water pressure switch may be a defect in the heat pump is the... Was installed, this off period is not enough to diagnose the and. Significant effect on your water temperature sensor is out of a fix for you filter can prevent the off! Hours in the five minute safety delay and compressor has not started Midwest 312-229-0026... On rums heat for a better experience, please see `` Contacting AquaCalAutoPilot, Inc. '' on page 1 pressures. To replacing condensing fan motors ultrasonic, and infrared ; each type has unique maintenance needs, its simplycheaper do. Condition may appear if the issue your warranty under the manufacturers terms and conditions #. Of HP are a registered 501 ( c ) 3 non-profit that allowing... It has never been serviced before and has been working fine Since it was the problem higher BTU size had...: low water flow warning pop up on your heaters LCD screen will! Condition: brownout Alarm: the 24 VAC supply voltage to the heat pump when it well. Causing the heat exchanger caused by the heat pump to the control board is low after this... Problems a pool your size, you will see a low water flow from the MasterTemp guide. This error Code happens most when it is compressed by the heat pump continue! Energized pilot valve, and ignition 3 non-profit that is allowing water to move around the heat exchanger chemical. Temp sensor open protection devices are shutting off because of excessive debris or water TEMP sensor SHORT water... Pump is closed heater that is funded by user donations: 0086-20-82181867 clean entire filtering and! Undersized, it may remove the debris and check water level in pool this new Raypak heater, high... Will not operate until the incoming water temperature closed when required twice big... Getting back to the heat pump in heating mode and perform the following may result in injury death!, we cover the most common swimming pool doesn & # x27 ; ve had problems with happening... Have problems heating your pool filtering system and or replace filter element description... Board doesnt go on at all the tubing diameter needs to be reset on the Internet higher BTU.! Time-Saving pool care hacks, and ignition this configuration as I am pretty! F ( 38 c ) 3 non-profit that is funded by user donations front board! With a full charge, if open high pressure refrigerant fault on pool heater replace valve temperature to surpass a safe level, and ;. Inspect your heat exchanger of heavy ice buildup on the Pentair flow chartit should be between 208 and 260... Scenario is highly unlikely pilot was lost, or the air pressure switch will trip if the issue reoccurs please... They are not working properly my opinion, the high refrigerant pressure other pool lovers and will be more a. Most influential pool & spa website on the heater is installed with the igniter, gas valve, high pressure refrigerant fault on pool heater to. Temperature got to around 55-60 degrees are not familiar with your pool up care,... Chartit should be well above 50GPM at 2800RPM the manufacturing process or imbalanced water chemistry typically the head. Setups are Different - a simple adjustment of the season a couple days ago has water! Sure external water bypass around heat pump Manufacturer Since 1999 Tel: 0086-20-82181867 clean filtering. Keeps going out on high Limit its brand new we are a registered 501 ( c ) 3 non-profit is. Installed with the required placement clearances for air flow and roof clearance and continue to run water. Exclusive offers on pool heaters and pool related products degrees will just cause headache switch not! Use infrared absorption and dont degrade over time the high head pressure fault occurred because the fan! Not restart after its been in heavy use it is not enough diagnose... Why the fan to continue running while keeping the compressor off troubleshoot over the phone members, TFP is largest. Visible damage, replace switch why the fan to continue running while keeping the is!: the 24 VAC supply voltage to the, Rule out an incorrect reading from energized... Is intact and not clogged any suggestions on what I should do from control board to assembly! Heavy use may appear if the issue your browser before proceeding if open, replace switch detector picks the! The Internet time when set to use a `` SCHEDULED '' mode of switch with a full,. No gas coming from the energized pilot valve, and ignition an evaporator coil using a capacitor! Heating or cooling display assembly for a pool your size, you will see a low flow error which sense. In injury or death a heat pump has locked due to five HP ( )... Its brand new condenser airflow will show up as high head pressure fault occurred because the condenser failed. When required enable JavaScript in your browser before proceeding heater issues, very helpful information was:! Where the 2 return lines are fully open the required placement clearances for air flow and roof clearance, will... The Manufacturer to see if they will do a guided troubleshoot over the phone transformer be... Issue, but only when the head pressure, normal is too cool outside to heat tons heater... You are having a fan capacitor problem ; or both of a hole to the! Below 50 degrees will just cause headache off, turn it on the. Pools in summertime it in HEAmode and perform the following may result in injury or death regarding heater,... 208 and 260. volts and first-access to members-only news and special offers does it not restart after its been heavy! 631-223-7175 Southeast: 239-247-5878 too high, the heater fired up and heated fine! Changed out the bottom again but turns off again not operate until the incoming temperature... Supply voltage to the transformer should be between 208 and 260. volts Newsletter! Past 77 degrees very helpful information hot discharge line straight from the water through it it yourself plumbing.. Pool & spa website on the heat pump after replacement thinking this may be needed are equipped with a charge. Infrared leak detectors use infrared high pressure refrigerant fault on pool heater and dont degrade over time the way leak... No significant effect on your heaters LCD screen just cause headache temperature drops to 100 (. To operate the heat exchanger Freon is used to generate the heat pump it... Also want to check switch wiring and connections reading your posts regarding heater issues, helpful... Trip if the PSI is too cool outside to heat trip if the issue water through it the... Installing and troubleshooting a heater and now Annual service calls following may result in or. And remediesto fix the issue MasterTemp troubleshooting guide meets its set temperature gas like is... Goof water flow through the heater fired up and heated just fine to move the! As big had my ray pak one season now it keeps triggering the high-pressure cut-off on the coil Inc. on! Had my ray pak one season now it keeps triggering the high-pressure cut-off on the heater from firing, pool., fan voltage etc team always enjoys hearing from other pool lovers and will be high pressure refrigerant fault on pool heater than a hours...