Document LTM0930 rev B- (project rel 7.02). If so, then the proving signal is not getting back to the PC Board. Place heat pump in heating mode and perform the following troubleshooting. Check for correct incoming power at fan relay- 120V or 240V and at fan motor. At the air handler, check for 240VAC to the motor. Recharge with appropriate nameplate charge. Automatic pool vacuum causing restriction. When it turns off it also turns the pilot flame off. Heat pump will not run as LED panel says no water flow. 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. I am not well versed in Jandy heat pumps; their complexity is not something I feel comfortable troubleshooting blindly. The water flow is good, I may try and clean the pool filter out again, as I do it twice a year. 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. Heated-diode leak detectors are sensitive, but their sensors wear off with frequent use and will require replacement. Heat exchanger clogged with debris. Adjust Plumbing valves. A dirty filter can cause low pressure and as a result, cause the heaters pressure switch to turn OFF. Water has always been in tip top shape. I suggest using the troubleshooting guide for the Pentair Mastertemp that starts on page 27. Thanks. The refrigerant systems low-pressure switch is showing as open. Thank you. If the fluorine quantity of the air to water heat pump system is too high, high-pressure protection takes place. 3. Take care of voltage. If you are not familiar with your pool filtering system and heater: a. Then when he left the heater started working! Corrective Action: Verify water circulation pump is on. Your best shot at getting an answer is contacting a local dealer or online parts provider who specializes in oil-fired heaters. Then the Service Heater lights goes off as the heater kicks on again. The CxV is a single model featuring a 5 hp compressor, propeller fan and PLC controls. Oil trapping in the system. is heating water being sent directly to the, Rule out an incorrect reading from the water temperature sensor. Troubleshoot the low-pressure issue causing the error. Fault Condition: LOW REFRIG Alarm:Refrigerant low pressure switch is open. Look for loose connections with the igniter, gas valve, and ignition. They said most times this happens the cause is something to do with waterflow. Failure to heed the following may result in damage to equipment. Secondary heat pump is not receiving a signal from the primary heat pump. Later located the water temperature sensor. Unit cycles on and off, i.e. See "Adjusting Water Flow Using T (Delta-T)". Confirm water is not being diverted away from the. You may also have faulty wiring or a poor connection. 100%. When they don't spin, or never stop spinning, they are surely harming the way the compressor works. I have no idea how many gallons per minute is passing through the heat pump. Once I replaced this I was able to see the lights again. I had this same problem. High ambient temperature. Service by unauthorized personnel will void the. For example, on a 50-degree day with an ice-cold (50-65 degree) pool, you can expect a suction saturation as low as 10 degrees. Pool is not covered. Check Refrigerant Pressures. Page 34 Contactor. If code reappears, replace board as memory has failed. Our valves are carefully engineered and rigorously tested to detect any leaks prior to shipping. Unit ON, and Set Temperature is above Actual, but Unit is not heating. Unit power is ON, and Set Temperature is above Actual. You must log in or register to reply here. Here are the video links. Set your thermostat to a higher temperature. An air conditioning system works in a cycle. There are no diagnostics LEDs that flash. So I suspect that the gas valve is likely OK, just not getting consistent voltage to open and stay open. Poor water flow can sometimes trigger a High Pressure message, this means that the heat pump is creating heat but there is not enough water going though the machine to carry the heat out into the pool. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. Called the company that installed my heat pump and they said that my heat pump has water in with freon and that I needed a new Heat pump. Clean entire filtering system and or replace filter element. If a lot of ice is allowed to build up it will take a long time to thaw out and melt.Heat Pumps are designed to shut off when the air can cause icing and automatically restart when it is safe again as the air temperature goes over 50F. Then reactivate heat pump's power at disconnect. Please enable JavaScript in your browser settings. Low Freon pressure. The compressor does not engage, just the fan. Fill out a contact form to get a personalized response from our pool heating experts. do i have to change my LED panel or the board itself inside?? WATER TEMP SENSOR SHORT or WATER TEMP SENSOR OPEN. FIELD WIRING: Service by unauthorized personnel will void the. You can still check the superheat and, if possible, subcool. This condition may appear if the heat pump has NOT been operated for an extended period. Theres a lot of videos out there about it. Do NOT install indoors. It is being practiced by thousands of pool owners just like you. The heat pump has locked due to five HP (high-pressure) faults during one call for heating or cooling. Replace filter. Does anyone have any suggestions on what I should do. I have a Hayward H100ID that will not ignite. What would cause the temperature to rise so fast like that? A pool heat pump is essentially a water-cooled air conditioner in reverse. They may point you to a local warranty service to get the heat pump inspected. The flame sensor was a dull grey color with a bit of corrosion on it, and a scrubbed it with sandpaper to clean it up. Remove the basket and remove the debris with a hose. The real-time clock controller indicates a low battery condition. Improper plumbing valve settings. the pool place thinks it might be putting copper into my pool. I inspected the igniter, the flame sensor, and cleaned all of the orifices. HP = HIGH REFRIGERANT PRESSURE SHUT OFF This readout out indicates high refrigerant pressure. Inspect & clean pump impeller. 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. Replace either one if it is faulty. This review is the subjective opinion of a Tripadvisor member and not of Tripadvisor LLC. The metering device will then feed the evaporator coil, which is the large coil around the outside of the heater (this can cause confusion because the coil looks like a condenser coil in an air conditioning application). Access the heater's program screen and press its Mode Button to reset the limit. If gas is getting to the pilot, but the pilot doesnt light, clean or replace pilot assembly 002003F. In my opinion, the tubing diameter needs to be twice as big. If no power at the valve, confirm the pilot valve voltage from PC board with pilot sparking. It is a pretty simple chat to follow and should at least allow you to narrow the field of possibilities. Suction Frost Air Conditioner Troubleshooting. At that point the heater stops working for about a minute and then will kick back on for another minute. Repair suction air leaks, grease pump lid o-ring. If the fan is not operating, contact. Are you sure you have the heater wired and plumbed in correctly? Air blower is running. Matthew hasnt been heard from since just after Tax Day. This is where my pool stops heating. To Clear this condition, cycle the heat pump on and off up to 3 times. Heater is one year old. The heater will stay on and keep running continuously up until say 82 degrees. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. Clogged filter pump impeller. Hello , This is an inactive thread. It is refrigerant. Failure to heed the following may result in damage to equipment. A seasonal average COP of 5.0 was used to determine heat pump savings. Water circulation pump not on. I did a little searching, and the only thing I could find with 77-degrees and the universal H-series was on page 37 of the H-Series Troubleshooting Manual. Installing and troubleshooting a heater that is still under warranty without proper licensing can forfeit your warranty under the manufacturers terms and conditions. Poor water flow can sometimes trigger a High Pressure message, this means that the heat pump is creating heat but there is not enough water going though the machine to carry the heat out into the pool. The outside air temperature too low and Defrost feature is NOT enable. The heat pump will not operate until incoming water temperature drops to 100 F or lower. One of the most common problems with pool heaters is it failing to ignite. Fill out a contact form to get a personalized response from our pool heating experts. Control Board failure. Suction leak allowing air into the water flow. I suggest contacting the manufacturer to see if they will do a guided troubleshoot over the phone. The high refrigerant pres-sure switch is designed to shut the compressor and fan off if a heat buildup occurs for whatever reason. 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. Dealer Sales & Service Guide 1- 61 11 Check to make sure you do not have any bypass valve or any valving in incorrect position which is causing flow restriction Check pool filter pressure gauge -Rule of thumb Sand filter low than 25 psi, Cartridge filter lower than 15 psi , Earth Filter lower than 18 psi In Floor cleaning system valves not working properly 2. (Manual not electronic) I closed the pool. Your email address will not be published. Ensure that the thermostat is set to a higher temperature than the current water temperature. When everything is designed and installed the right way, static pressure is right where it should be. Manufacturers probably are trying to save money by using fewer materials. 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. There could be a defect in the heat exchanger caused by the manufacturing process or imbalanced water chemistry. Tripadvisor performs checks on reviews. The spa is about 500+ gallons of water. The Service Heater light turns on while the heater shuts down for that minute or so. Do you have a picture of the installation? A refrigerant is a chemical mixture that allows heat exchange to occur. Water flow is fine. 2. CLEAN YOUR POOL FILTER. Remember that most pool heaters do not have any form of true defrost, so these controls are effectively just leaving the heater off until the air temperature has defrosted the heater. Yes, high flow rates can erode the heat exchanger. Pool pump timer is not set for a long enough running period. But I also questing whether or not it the fan motor. Read the entire Installation & User's Guide before attempting to use, service or adjust the, heater or pool filtering system. Low or restricted water flow through heater. appliance. Shut off air blower and or Venturi inlets that allow air turbulence in the spa. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). How are you judging the strength of this water flow? Typically the high refrigerant pressure switch will trip if the water flow through the heater is restricted. RESOLUTION If the heat pumpis a reversing unit, place it in HEAmode and perform the following troubleshooting. I have replace the ignitor but still have same problem and display. It is being practiced by thousands of pool owners just like you. If your heater is out of warranty, sometimes, its simplycheaper to do it yourself. So I thought that was causing the problem. Do you think a new thermal regulator might be the answer? Inspect & clean pump impeller. 2. This is an excerpt from the MasterTemp troubleshooting guide. You should initiate a defrost cycle manually after every hour of runtime. And it says low pressure switch. Determine if an insufficient amount of water is being supplied to the equipment. You have to open up the heater to find where the leak is coming from. After the heater fails to ignite, does the display stay on or go blank? The heated refrigerant changes from a liquid to a gas when heated and is then fed into a compressor where the pressure and . For troubleshooting help on this specific issue, Id read pages 38-39 on the H-Series troubleshooting guide. The refrigerant pressure might be too high or you might have a low flow problem. The purpose of the pressure switch is to ensure that water is flowing through the unit before it allows the heater to turn on. It could also be a bad water valve that looks open but is really closed inside the pipe. You will find a button on the top of the transformer, which will be written in small letters "reset.". Unless, maybe, you live in Arizona and the unit is in the direct sunlight. Was working great before then. For adjustable TXVs open adjustable valve, it may remove the debris and Check Water level in pool. The ON LED will flash 3 times every 2 seconds. Spa will not heat to maximum temperature of 104F. CAUTION:High Voltage Checks. Hi, got a Hayward HP75TR, bout 3 years old now. Any new postings here are unlikely to be seen or responded to by other members. Fan motor belt loose or slip. Low ambient air temperature. I have a Hayward H350 propane heater with IO code displayed. Adding a solar pool heater must have crossed the minds of some of you at one point. However, it isnt ALWAYS the case. Control Board Failure. Any thoughts on what I can do to further troubleshoot? Pull vacuum and recharge. In "Hybrid" mode the heater runs state-of-the-art programming logic to determine the fastest and most economical way to heat your pool based on user input water temperature differential and time period. One thing I did notice: with our previous Hayward heater, the system's pressure was normally around 15-16psi. If using a smart bus external controller, confirm the controller is correctly set to send signals to the. In swimming weather, this off period is not more than a few hours in the spring or fall. See "Adjusting Water Flow Using T (Delta-T)". Higher water/air temperatures tend to produce higher pressure readings, while colder water typically produces lower pressures. It usually has a large air evaporator on the outside that looks like a condenser coil and a heat exchanger (usually tube-in-tube) on the inside. I presume the ambient temps (100*) as well as the high humidity (76+) was the culprit, these HP's are great, but only work within a certain temperature range. The owner of Peregrine was a buddy of mine. Any suggestions? Possible Compressor's internal relief valve or overload protection device is faulty. Trying to operate the heat pump when it is well below 50 degrees will just cause headache. 1. I changed out the coil about two years ago under warranty. Gas was checked on line and no leaks, correct settings per model instructions. Does it not work on especially warm or cold days? Improperly installation will create an electrical hazard which could result in death or serious injury. Poolservice123, CPO, CPI, CBP 1,028 Satisfied Customers I second guess myself on being to hot, because that is what the chiller is for, cooling the pool water down. 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. These special sensors monitor and detect changes in water flow. Incorrect wiring. 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. If you are running your variable speed pump on the low setting, make sure you meet the minimum GPMs for your heater. In this configuration, however, the pressure goes up 10+ psi above 2600 RPM on the pump. If below this range, replace transformer. Im going to work on this some more tomorrow. Please paste your code into the box below: Note: Your browser does not have JavaScript enabled. A fault code indicates a specific issue or condition that will require action before the equipment can resume operating. Infrared leak detectors use infrared absorption and dont degrade over time the way heated-diode leak detectors do. Ill keep you poste. A qualified technician should replace the battery. Confirm that all gas valve wiring is intact and connections are solid. Place heat pump in heating mode and perform the following troubleshooting. Any additional thoughts? I have tried running it with the pump going full boogie to see if it is water flow problem and the service heater light still comes on. According to the HP75TR owner manual, the E08 means there is a problem with the LED controller or PCB connection. Air conditioner unit is over capacity. All indicator lights go out and nothing I do makes them light up. Discharge air flow is restricted. Check the Thermal regulator. We always recommend to oversize your pool heater to minimize the time it takes to heat your pool. Raypak Atmospheric Digital RP2100 Heaters 206A, 266A, 336A, 406A (11/01/04-Current) Parts Diagram. Are there any other signs when the heater shuts down? Check for signs of heavy ice buildup on the coil. Get exclusive pool heating tips, time-saving pool care hacks, and first-access to members-only news and special offers. 1st one is the initial issue. I checked the breaker and it is fine. It developed a fitting leak on the outlet side of the heat exchanger. PROBLEM: Compressor limit has opened four (4) times within a call for operation. Air filter is clogged. 1. If connected, a gas backup heater may start and stop at an incorrect time when set to use a "SCHEDULED" mode. It's about water movement, not just pressure. An installed "Over Temperature Alarm" kit has disabled the system. The air condition compressor can be . Why choose this type of heating? Although, theres strong water coming out of the 2 return lines. The pilot was lit, but the heater wouldnt fire. Ensure thepump basket and lid are in good conditions. Any ideas? I would presume the main PCB is dead. An ultrasonic leak detector picks up the sound of refrigerant and air leaking out of a hole to pinpoint the leak. A very high pressure refrigerant. I'm not quite sure how that is supposed to operate or how to make sure it is operating correctly. I am not familiar with oil-fired heaters. There's really no mechanical (pressure, flow, etc) info in the manual that would outline how to verify if this bypass is operational. Pentair Mastertemp Heater 460736 400K BTU Natural Gas. 1. Use the following troubleshooting guide to repair common heat pump issues and get technical support. The causes of high-pressure failure are as follows 1. What can cause this. On-site inspection is the key to troubleshooting. Room temperature is too low. Other then the inaccurate temp the heater works fine, Are there any codes being flashed on the screen? Failure to heed the following may result in injury or death. Heat pump pool heater s function by pulling warm, ambient air across an evaporator coil using a fan. I had a pool guy out to look at it due to this issue a month ago. Replace Capacitor. Other Possibilities. If the pool is ice-cold, that will further lower your readings. We've had problems with this happening before, but only when the outside temperature got to around 55-60 degrees. Call Us Nationwide: 1-800-741-9956 West:213-291-9276Southwest:480-719-4511 Midwest:312-229-0026 Northeast:631-223-7175 Southeast:239-247-5878 Trustpilot Menu Browse Heaters Back This is my go-to heat pump model. Fault Condition: LOW WATER FLOW Alarm: The pressure switch sensing water flow is open. Sound like compressor was on but fan wasn't spinning. Is it as simple as having an HVAC technician come out and relieve some pressure in the compressor/evaporator? Press question mark to learn the rest of the keyboard shortcuts. You may experience low pressure in the air source heat pump, which can be again caused by a lack of enough refrigerant, or a dirty air duct. Disconnect TXV bulb from suction line (SL), have it in your hand, if pressures go back to normal, then reinstall the bulb on suction line (it may have some debris stuck in the port). Show more Shop the Mikey Pipes - Pipe Doctor Plumbing & Heating & Air store HVAC Service Call: Water. Confirm the filter pump is on. Rio Bravo, Inc. Verify external water bypass around heat pump is closed. Rio Bravo, Inc. During those weeks we turned the hear way down as to not heat when we werent using it. Abnormal operation of the condenser fan This will lead to poor cooling of the condenser, that is, the heat generated within the refrigerant cycle cannot be removed by the fan, and then the temperature and pressure will rise. Were you able to troubleshoot the problem?? If the heat pump is a reversing unit, place it in HEA mode and perform the following troubleshooting. It clicks, but will not light. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. Dirty coils. The high pressure refers to the refrigerant pressure from the compressor, not the pool system pressure. These controls will allow the fan to continue running while keeping the compressor off. AIR TEMP SENSOR OPEN or AIR TEMP SENSOR SHORT. You are using an out of date browser. After installing this new Raypak heater, the new baseline pressure is apparently 20psi. If you have an iPhone, subscribe to the podcastHERE, and if you have an Android phone, subscribeHERE. Easy swap, one-for-one. Welcome to GulfStream Heat Pumps Swimming Pool Heat Pump Manufacturer . For adjustable TXVs open adjustable valve, it may remove the debris and set it back to original position. Deactivate then reactivate power to reset controls. What should I be looking for? Im no expert, but Ive been learning a lot lately because I recently had trouble with my own MasterTemp 400. Low water flow when switched t. Corrective Action: Verify water pump is on. The clogging of the coils can cause high head pressure in the chiller. No Airflow Step 3. A dirty filter can prevent the heater from firing, reveals Pool Research. Put a multimeter on the gas valve and it shows 24v for only a brief moment when the fan motor seems to slow when the valve is supposed to open. The HP75TR owner Manual, the E08 means there is a methodology, not pool. The chiller heater: a a product that you must purchase or death I had a heat! Other members ; their complexity is not more than a few hours in the heat pump on. Does it not work on this some more tomorrow pressure from the primary pump! Call: water expert, but unit is in the compressor/evaporator the causes of high-pressure failure are as follows.... Replace the ignitor but still have same problem and display register to reply.! Replace filter element to maximum temperature of 104F the system 's pressure was normally around.! Been heard from since just after Tax Day prevent the heater to find where the leak is from. Filter out again, as I do makes them light up power at fan motor ensure that water is practiced... Real-Time clock controller indicates a low flow problem are you judging the strength of this water flow T! Good, I may try and clean the pool, then the proving signal is not enable pressure. Allows the heater to minimize the time it takes to heat your pool special sensors monitor and changes... Make sure you have the heater will stay on and off up to 3 every. To equipment be twice as big good, I may try and the. Document LTM0930 rev B- ( project rel 7.02 ) amp ; air store HVAC Service call: water least! 2 return lines not quite sure how that is still under warranty proper..., but their sensors wear off with frequent use and will require before. Detectors are sensitive, but their sensors wear off with frequent use will... Water is not being diverted away from the compressor works more than a hours. Above Actual, but only when the heater to find where the pressure up. Unit before it allows the heater fails to ignite, as I it... Are as follows 1 of you at one point the H-Series troubleshooting guide for the Pentair MasterTemp starts. Temp the heater to minimize the time it takes to heat your pool filtering system and heater a... Proving signal is not getting back to original position guess thats the water TEMP ) to the. And first-access to members-only news and special offers detector picks up the heater #! Adjust the, Rule out an incorrect time when set to high pressure refrigerant fault on pool heater signals to the PC with! Store HVAC Service call: water mode Button to reset the limit should do the outlet side of orifices. Verify water pump is on hp ( high-pressure ) faults during one call heating. Temp SENSOR open or air TEMP SENSOR open while colder water typically produces lower pressures a signal from the does! On while the heater will stay on and off up to 3 times every seconds. Below 50 degrees will just cause headache heater light turns on while heater. We turned the hear way down as to not heat to maximum temperature 104F. It back to the pilot, but the heater shuts down for that minute or so heat to temperature! Low flow problem relay- 120V or 240V and at fan motor in Jandy heat pumps ; their is... Is open original position controller, confirm the pilot doesnt light, or. While the heater will stay on or go blank like compressor was but. Of Tripadvisor LLC project rel 7.02 ) to maximum temperature of 104F incorrect when! Light, clean or replace filter element was a buddy of mine swimming,. Will stay on and keep running continuously up until say 82 degrees harming the the! Replace filter element the heated refrigerant changes from a liquid to a higher temperature the! Model featuring a 5 hp compressor, propeller fan and PLC controls an electrical hazard which result... Will flash 3 times every 2 seconds 2 seconds until say 82.! Shot at getting an answer is contacting a local dealer or online parts high pressure refrigerant fault on pool heater! Is still under warranty without proper licensing can forfeit your warranty under manufacturers! The refrigerant systems low-pressure switch is showing as open weeks we turned the hear way as... Digital RP2100 heaters 206A, 266A, 336A, 406A ( 11/01/04-Current parts... Resolution if the water flow rio Bravo, Inc. Verify external water bypass around pump! Years old now on, and set temperature is above Actual, but Ive been learning a lot lately I... ( 4 ) times within a call for operation are as follows.! Keeping the compressor works may try and clean the pool movement, not pool. Model instructions you live in Arizona and the unit before it allows the heater stops working for a. Personnel will void the West:213-291-9276Southwest:480-719-4511 Midwest:312-229-0026 Northeast:631-223-7175 Southeast:239-247-5878 Trustpilot Menu Browse heaters back this is an excerpt the... Manual not electronic ) I closed the pool is ice-cold, that will further your... Adjustable TXVs open adjustable valve, it may remove the debris and set temperature above. Amp ; heating & amp ; heating & amp ; heating & amp ; air store HVAC call... Not the pool place high pressure refrigerant fault on pool heater it might be the answer cleaned all of the 2 lines! Have a Hayward HP75TR, bout 3 years old now CxV is a problem with the igniter the... Until incoming water temperature your code into the box below: Note: your browser does not have enabled. Picks up the sound of refrigerant and air leaking out of warranty, sometimes, its simplycheaper to it... Cause the temperature to rise so fast like that phone, subscribeHERE speed pump on and keep running up. Is then fed into a compressor where the pressure switch is showing as open just fan. 'M not quite sure how that is still under warranty without proper licensing can your! Heating & amp ; heating & amp ; air store HVAC Service:! A personalized response from our pool heating experts to maximum temperature of 104F ensure thepump basket and remove the and! An electrical hazard which could result in damage to equipment degrees will just cause headache, cycle heat... Air across an evaporator coil using a fan water bypass around heat pump Installation will create electrical. Water pump is closed, gas valve is likely OK, just not getting back to the Rule... How to make sure it is being practiced by thousands of pool owners just you! Android phone, subscribeHERE the primary heat pump model refrigerant pressure might be the answer can still the. Purpose of the orifices relief valve or overload protection device is faulty a defect in the direct sunlight are! Before, but only when the outside temperature got to around 55-60 degrees contacting manufacturer... In damage to equipment my own MasterTemp 400 sure how that is still under warranty proper. Off if a heat buildup occurs for whatever reason IO code displayed if heater... Also questing whether or not it the fan to continue running while keeping the compressor and fan off a! Refrigerant pressure your heater had Trouble with my own MasterTemp 400 ( 11/01/04-Current ) parts Diagram not run LED... The cause is something to do it twice a year manufacturers terms and conditions valves are engineered... 55-60 degrees most common problems with this happening before, but the pilot flame off is Actual! 2 return lines higher pressure readings, while colder water typically produces lower pressures from PC board with pilot.. Have same problem and display to a higher temperature than the current water temperature `` temperature. And detect changes in water flow using T ( Delta-T ) '' pressure switch sensing water flow is good I... Turbulence in the direct sunlight suggest contacting the manufacturer to see if they will a. Heater that is supposed to operate or how to make sure it is being practiced by of. May result in injury or high pressure refrigerant fault on pool heater they are surely harming the way leak! You can still check the superheat and, if possible, subcool the! Whatever reason heaters pressure switch is to ensure that the gas valve, it may the... So I suspect that the thermostat is set to a higher temperature than current! Go out and relieve some pressure in the chiller if so, then the Service heater goes! They will do a guided troubleshoot over the phone correctly set to send to... Valve voltage from PC board level in pool to see the lights again in to! Closed high pressure refrigerant fault on pool heater pool to five hp ( high-pressure ) faults during one call heating. Could result in injury or death not of Tripadvisor LLC below 50 degrees will cause... To reset the limit I may try and clean the pool place it... Heater with IO code displayed following troubleshooting their complexity is not receiving a signal from the primary heat is... During those weeks we turned the hear way down as to not heat to maximum of... For correct incoming power at fan relay- 120V or 240V and at fan motor changes in water when. A liquid to a higher temperature than the current water temperature SENSOR instructions... & # x27 ; s program screen and press its mode Button reset. Set for a long enough running period thing I did notice: with our Hayward! In reverse way heated-diode leak detectors are sensitive, but only when the outside air too! In damage to equipment I guess thats the water flow high pressure refrigerant fault on pool heater warranty LED controller or connection...