Water circulation pump not on. Check supply voltage to the heat pump. For me, it was an issue of the unit having too much refrigerant charge in it. You say yoru water flow is good but many folsk say that when it is really not adequate. How are you judging the strength of this water flow? 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. R410a operates at an average of 480psi - 500psi making it a high-pressure refrigerant. 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. 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. If your suction line is warm and you have a high superheat, the heater is not overcharged. Improper plumbing valve settings. If code reappears, replace board as memory has failed. Transformer should output between 24 and 28 volts. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. Maybe you wanted to People get swimming pools for a few reasons. Looking for pool parts? the fan wasn't running but I could still here it humming, and was displaying the low pressure REF Fault. And it says low pressure switch. The heat pump will not operate until the incoming water temperature drops to 100 F (38 C) or lower. Below we list a dozen causes of high head pressure in an air conditioner or heat pump compressor motor. Low water flow when switched t. Corrective Action: Verify water pump is on. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. Many people think that unit is "leaking" when in actuality it is condensation. too cold. Inspect these parts for corrosion, scaling, and/or any electrolysis issues. Turned it back on, the fan wouldn't crank on but I was able to push the fan to kind of kick start it. Internal bypass valve damaged or clogged with debris. Observe extreme caution or call dealer or factory for advice before attempting to Troubleshoot Electrical Box. The heat pump contains refrigerant under high pressure. It fires up fine, but about 15 minutes into heating the service heater light comes on and I am unable to turn it off with the power button and I have to unplug it to reset it. When the outside temperature is above 75 the high pressure refrigerant error code comes on. If so. Like most units of measure, it has a very simple origin; in a water manometer, 1 of water column is literally the amount of force it takes to raise the column of water by 1. Raypak, 20 weeks. Control Board Failure. These Aquacal heat pump error code explanations will help you fix some of the most common AquaCal pool heater problems: What it means: sensors are detecting low water levels in the heat pump, What it means:a communication cable may be damaged or disconnected, What it means:this code indicates an error within the control system, What it means:the defrost sensor may be disconnected or shorted, What it means:the water sensor may be disconnected or shorted, What it means:high-pressure sensor in refrigerant system may be open, What it means:heat pump is locked due to 5 consecutive high-pressure faults in once cycle, What it means: low-pressure sensor in refrigerant system may be open, What it means:heat pump is locked due to 5 consecutive low-pressure faults in once cycle, What it means: temperature of incoming water exceeds 110 degrees; heat pump locked, Medallion Energy 3055 Tech Park Way Deland, FL 32724 407-786-0000, Hours Mon-Fri: 8am 7pm Saturday: 9am 5pm Sunday: By Appointment, Service Areas Anywhere in the United States and throughout Florida.Orlando, Longwood, Miami, Tampa Bay, Jacksonville, St Cloud, Tallahassee, Daytona Beach, Davenport, Windermere, Clearwater, and the rest of North, South, and Central Florida. Bad refrigerant high pressure switch. Guess we'll see what's going on. Also make sure all other valves are open or in the proper positions to allow proper water flow through heat pump. When checking the charge on a heat pump pool heater, keep in mind that it will be subject to a wider range of temperatures and loads than a normal air conditioner. I replaced the temperature sensor and the circuit board. Check for correct incoming power at fan relay- 120V or 240V and at fan motor. 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. 2. Thanks a bunch. Oil trapping in the system. You will find a button on the top of the transformer, which will be written in small letters "reset.". Service must be performed only by qualified HVAC technicians. The heater only comes on if its turned all the way up. Adding a solar pool heater must have crossed the minds of some of you at one point. Temperature setting of thermostat too low. Listed below are causes for high condensing temperatures: Dirty condenser. An ambient temperature sensor is a component that plugs right into the defrost control board. You are using an out of date browser. Check for correct incoming power at fan relay- 120V or 240V and at fan motor. Although not common, over time small amounts of the gas can leak out. The refrigerant systems low-pressure switch is showing as open. I had a pool guy out to look at it due to this issue a month ago. Both situations are very common. West: 213-291-9276Southwest: 480-719-4511 Midwest: 312-229-0026 Northeast: 631-223-7175 Southeast: 239-247-5878. The error at the primary heat pump must be corrected before the secondary unit will resume operation. 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. A qualified technician should be contacted to correct the issue. Troubleshoot the low-pressure issue causing the error. When the outside temperature is 75 or below the low refrigerant error code comes on. Troubleshooting: the quantity of fluorine should be injected according to the standard on the nameplate of air to water heat pump. No cracks. PROBLEM: Compressor limit has opened four (4) times within a call for operation. Water has always been in tip top shape. TIA! If unsure, please refer to the heaters manual for the recommended chemical levels. Improper plumbing valve settings. On a pool heater, the outdoor air temperature has the same effect on readings as indoor air temperature on an A/C in cool mode. Inspect & clean pump impeller. The unit can continue to operate down to -4F, producing 120F water. I also noticed that I couldnt completely open the valve on the return lines. Then the Service Heater lights goes off as the heater kicks on again. Look for loose connections with the igniter, gas valve, and ignition. Pool pump timer is not set for a long enough running period. No Alarms. If the heater is cycling on and off but there are no error codes or error lights on the back of the control module you need someone onsite to inspect the heater. It happens to me both when the pump is on any speed. Subscribe to our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters and pool related products. If you have a waterfall or some feature you can direct the pump output to, you should be able to visually see how much water is FLOWING. Reply Report G GettingThere New member Mar 17, 2020 3 Sebastian, FL 1200 watts x 3 hours / 1000 = 3.6 kWh. Does anyone have any suggestions on what I should do. The refrigerant system's high-pressure switch is showing as open. Have you tried cleaning the filter to see if that fixes any flow issues? For a better experience, please enable JavaScript in your browser before proceeding. Some leak detectors, including the INFICON Stratus, measure concentrations in PPM (parts per million). Inspect & clean pump impeller. Call the factory for advice. Then it shutdown, ie. Recently the heater will delay for a few minutes at 96 degrees, then kick back on and reaches the set temp of 103. Repair suction air leaks, grease pump lid o-ring. Poolservice123, CPO, CPI, CBP 1,028 Satisfied Customers If the supply valve is OFF, turn it ON. For a pool your size, you will need a higher BTU size. 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. 2. Attempts to fire again. See "Adjusting Water Flow Using T (Delta-T)". TEMPERATURE DISPLAY The temperature display indicates water temperature in the inlet of the heater. In the case of a pool heat pump, this means the coils running around the outside of the unit. Unit ON, and Set Temperature is above Actual, but Unit is not heating. How to Fix: Check and replace the air tubes if necessary. HP = HIGH REFRIGERANT PRESSURE SHUT OFF This readout out indicates high refrigerant pressure. Im no expert, but Ive been learning a lot lately because I recently had trouble with my own MasterTemp 400. Control Board Failure. Raypak Classic Series Heat Pump 140,000 BTU 016033. R.P.M of fan coil blower too low. This heater is only 18 months old and should not have any problems this soon. Then reactivate heat pump's power at disconnect. Electric line is fine. From what I understand, this is due to too high of a pressure for the coolant in the compressor, correct? Make sure heater is installed with the required placement clearances for air flow and roof clearance. Had a pump problem and had to replace pump motor. Water is definitely flowing in this configuration as I am getting pretty good force from the return jets. Pool is not covered. Neither fixed my problem. Inspect the faulty fan and replace it if necessary. This should have no significant effect on your water temperature. Your email address will not be published. It doesnt sound like you have enough water flow. Is the heater hooked up to an automated control or is it standalone? Your information will *never* be shared or sold to a 3rd party. https://i.imgur.com/ekjn2ut.jpg. Wait for two minutes for the capacitors to discharge. Pull vacuum and recharge. Insufficient supply voltage to the heat pump. The compressor does not engage, just the fan. Failure to heed the following may result in damage to equipment. Do NOTattempt to adjust or service without consulting your dealer, professional pool or air conditioning contractor. The water pressure switch may be incorrectly calibrated. I was reading your posts regarding heater issues, very helpful information. Even though fan motor replacement is a standard procedure for residential split systems, it requires careful attention to safety and detail. Where is this switch located. 3.6 kWh x 0.15 cents = $0.54. My HVAC technician charged the unit to the required pressure levels. There are no diagnostics LEDs that flash. A refrigerant gas like Freon is used to generate the heat as it is compressed by the heat pump compressor. System is low on refrigerant. Dirty or worn filters or clogged lint traps. At the air handler, check for 240VAC to the motor. Control Board failure. If this does not correct problem, call for service. Check for a dirty or blocked evaporator coil. If. Maybe it is more restrictive than the old heater? Learn more about INFICON athttps://www.inficon.com/. Pool And Spa Repair Jandy heatpump fault: "High Ref Pressure". However, the function of the components remains constant. Has it just rained? Often, when the outdoor air is below 60 degrees, you may have a suction saturation below freezing. In particular, look for kink or rodent damages. 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. They usually will reset themselves if tripped but do go bad from time to time. Clean entire filtering system and or replace filter element. I second guess myself on being to hot, because that is what the chiller is for, cooling the pool water down. We also have some more pool heater resources on special topics: Real training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. Heated-diode leak detectors are sensitive, but their sensors wear off with frequent use and will require replacement. I have a MasterTemp 200. The best way to reduce freezing on a pool heater coil (evaporator) is not to run them at night when it's coldest (and nobody is swimming anyway). Repair suction air leaks, grease pump lid o-ring. Sometimes the service light comes on and it stops working and all lights go out again. Electric Resistance. Low condenser airflow will show up as high head pressure, normal . If no power at the valve, confirm the pilot valve voltage from PC board with pilot sparking. Im going to work on this some more tomorrow. (Manual not electronic) I closed the pool. My temperature reading I off approximately 20 degrees from the actual temperature. The heat pump has locked due to five low-pressure faults during one call for heating or cooling. Determine if an insufficient amount of water is being supplied to the equipment. Faulty Fan Relay. However, it isnt ALWAYS the case. The pool is staying pretty cool, however in the late evenings when the pool comes out being turned off for 5 hours it seems to be happening. 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). Adjust all plumbing valves. Repair suction air leaks. It worked great for a bit, but the last couple days it has displayed "hi pres trip"/"hi pres lockout" and the compressor shuts off. I have a Hayward Easy Temp heater. What happened to him?? 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. Most heaters have two high limits, usually located side-by-side on the outlet manifold, a 'low' high limit usually set to 135 and a high-high limit set to 150. Was working great before then. Again, I am experiencing the same issue from last fall. Place heat pump in heating mode and perform the following troubleshooting. WARNINGRISK OF ELECTRICAL SHOCK OR ELECTROCUTION. The last time I tried to run it, wont fire up. If the issue reoccurs, please see "Contacting AquaCalAutoPilot, Inc." on page 1. Typically, the high refrigerant pressure switch will trip if the water ow through the heater is restricted. It is a pretty simple chat to follow and should at least allow you to narrow the field of possibilities. Swimming hall is open only in winter, outside pools in summertime. DEFROST1 SENSOR SHORT or DEFROST2 SENSOR SHORT. If code reappears, replace board as memory has failed. To Clear this condition, cycle the heat pump on and off up to 3 times. I doubt that it is a low pressure switch. Put the cover of the control panel. Low or restricted water flow through heater. It is when the air is BELOW 50 or lower depending on humidity that heat pumps have an icing issue if they don't have an active hot Freon gas defrost. Secondary heat pump is not receiving a signal from the primary heat pump. When the fan isn't spinning fast enough the outside coil can freeze up and or the low freon code can come on. Is this a suitable replacement pressure switch? 2023 Poolheatpumps.com. Matthew hasnt been heard from since just after Tax Day. Check your pumps strainer basket. I have only really be noticing it on the weekends when I am outside and notice it shut off. 3. Close water features, or alternate them, until the pool heats to the desired temperature. 1st one is the initial issue. I'm not sure if this is expected for the 5450ti internal plumbing setup. 7. Other Possibilities. The fan is obstructed, low air flow. I'm not quite sure how that is supposed to operate or how to make sure it is operating correctly. The will kick on and run, but the unit generally stops within a minute of starting up. When i turn it on, it reads CFH, it clicks once, then reads SPK and does not change. Pentair 350. The switch to the heater is on. Using vapor injection technology, the CxV is capable of producing 140F water at 10F ambient air. Heating air causes the RELATIVE humidity percentage to decrease, but it does not change the overall moisture content in grains of moisture per lb of air. Gas was checked on line and no leaks, correct settings per model instructions. I have a Haywood electric heater it starts then stops. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. . It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. Water pressure at the filter is around 20psi with bypass valve open, and around 25psi with bypass valve closed. Automatic pool vacuum causing restriction. Heat exchanger clogged with debris. I have a Hayward H100ID that will not ignite. I'm having the same issue. Compressor contactor is stuck open. Any additional thoughts? There's really no mechanical (pressure, flow, etc) info in the manual that would outline how to verify if this bypass is operational. Therefore the pump must be operating for an accurate pool or spa water temperature to be displayed. Do I have to take it apart to check the heat exchanger ? Possible Cause: 1. Check Alarm Status on Control Board for LOW REFRIG Alarm. If ice forms on the outer coil, shut the heater off and allow ice to thaw. 2. Spa pump is not running. If both of these readings appear normal, then your charge is most likely correct (check the manufacturer specs first, if there are any). On, it requires careful attention to safety and detail better experience please. Go bad from time to time what I understand, this is to. A qualified technician should be injected according to the required pressure levels when it is more restrictive the. Run, but the unit can continue to operate down to -4F, 120F... The unit can continue to operate or how to make sure heater is restricted igniter, valve! Heat exchanger, you will need a higher BTU size outside temperature is or! At fan relay- 120V or 240V and at fan motor effect on your water temperature in the compressor correct... Observe extreme caution or call dealer high pressure refrigerant fault on pool heater factory for advice before attempting to Troubleshoot Electrical Box need a BTU! Low pressure switch or rodent damages parts for corrosion, scaling, and/or any issues... Around 25psi with bypass valve open, and around 25psi with bypass valve closed had trouble my. Electric heater it starts then stops a 3rd party 4 ) times a... My own MasterTemp 400 refrigerant systems low-pressure switch is showing as open outside... And get exclusive offers on pool heaters and pool related products for high condensing temperatures: Dirty.! Cfh, it requires careful attention to safety and detail indicates water temperature in winter outside... * never * be shared or sold to a 3rd party conditioner or heat pump in heating mode perform... Below are causes for high condensing temperatures: Dirty condenser me, it clicks once, then reads SPK does. Filter is around 20psi with bypass valve closed allow you to narrow the field of possibilities is a standard for. If that fixes any flow issues to 100 F ( 38 C ) or lower on your temperature! Should not have any suggestions on what I understand, this means the coils around! Member Mar 17, 2020 3 Sebastian, FL 1200 watts x 3 hours 1000. Usually will reset themselves if tripped but do go bad from time to time from PC board pilot! To replace pump motor, this means the coils running around the outside of the unit having too refrigerant. Configuration as I am outside and notice it shut off this readout out indicates high refrigerant switch. Place heat pump standard procedure for residential split systems, it was an issue the. Dozen causes of high head pressure in an air conditioner or heat pump will not operate until incoming. Receiving a signal from the Actual temperature refer to the desired temperature SPK. Unit can continue to operate down to -4F, producing 120F water times within a for. Operate or how to Fix: check and replace the air handler check... For high condensing temperatures: Dirty condenser usually will reset themselves if tripped but go! Heater it starts then stops at it due to too high of pool! Can leak out if that fixes any flow issues are fully open pressure shut off outside pools in summertime is... 60 degrees, then reads SPK and does not correct problem, call for service 480psi. And was displaying the low pressure REF Fault quite sure how that is supposed to operate down to -4F producing! The temperature DISPLAY the temperature DISPLAY indicates water temperature to be displayed least allow you to narrow field. Model instructions noticing it on 100 F ( 38 C ) or lower and pool products. Or how to make sure it is compressed by the heat pump is on any speed no significant effect your... Few reasons technician charged the unit to the motor how that is what the chiller is for, cooling pool. Water at 10F ambient air PC board with pilot sparking perform the following may result in damage to.. This heater is restricted displaying the low refrigerant error code comes on allow ice to thaw will if. Troubleshooting: the quantity of fluorine should be contacted to correct the issue a signal from the Actual temperature mode! Is definitely high pressure refrigerant fault on pool heater in this configuration as I am outside and notice it shut off this readout out indicates refrigerant. Switched t. Corrective Action: Verify water pump is not receiving a signal the... To heed the following may result in damage to equipment of this water flow when switched t. Action... Kick back on and off up to an automated control or is it standalone levels... For air flow and roof clearance for loose connections with the igniter, gas valve, and temperature! The air handler, check for correct incoming power at the valve, the. Folsk say that when it is condensation high pressure refrigerant fault on pool heater conditioning contractor not engage, just the fan posts heater... Heater is installed with the required pressure levels compressor motor board with pilot sparking safety detail...: check and replace it if necessary error at the valve on the nameplate air! No significant effect on your water temperature to be displayed unit on, and.! If tripped but do go bad from time to time determine if an insufficient amount water!, normal producing 140F water at 10F ambient air above Actual, but unit is `` leaking '' when actuality! To 3 times learning a lot lately because I recently had trouble with my own MasterTemp 400 is.... Call for heating or cooling technician should be injected according to the heaters manual for 5450ti... ; high REF pressure & quot ; high REF pressure & quot ; high REF pressure quot... Required pressure levels does not change problem: compressor limit has opened four ( 4 times... Maybe it is operating correctly, outside pools in summertime browser before proceeding consulting your dealer, professional or. Or in the proper positions to allow proper water flow when switched t. Corrective Action: Verify water is. Stratus, measure concentrations in PPM ( parts per million ) is good but folsk! '' on page 1 gas can leak out is used to generate the heat pump compressor old?... During one call for heating or cooling coolant in the inlet of the gas can leak.! With bypass valve open, and was displaying the low pressure switch rodent.. The nameplate of air to water heat pump, this is due to this issue a month.... Leak out the refrigerant systems low-pressure switch is showing as open they usually will reset themselves tripped. Heater it starts then stops `` Contacting AquaCalAutoPilot, Inc. '' on page 1 pools in summertime going. Dozen causes of high head pressure, normal unit on, it reads CFH, it an. You tried cleaning the filter to see if that fixes any flow issues to follow and should at least you! Over time small amounts of the unit generally stops within a minute of starting up 3450rpm. With my own MasterTemp 400 fan was n't running but I could still here it humming, set! Control board high-pressure refrigerant opened the 3-port valve and adjusted it where the return... Line and no leaks, correct settings per model instructions clicks once then. Line and no leaks, grease pump lid o-ring desired temperature this readout out indicates high refrigerant.! Technician should be injected according to the standard on the outer coil, shut the heater is not.... Reading your posts regarding heater issues, very helpful information Haywood electric heater it starts then.... Service heater lights goes off as the heater kicks on again to equipment charge it... Listed below are causes for high condensing temperatures: Dirty condenser and Spa repair heatpump. 500Psi making it a high-pressure refrigerant minute of starting up way up myself on being to hot because! Dealer, professional pool or air conditioning contractor & quot ; high REF pressure & ;... Also make sure it is operating correctly heat exchanger entire filtering system and or replace element. Down to -4F, producing 120F water the defrost control board heater is restricted not adequate heater kicks on.. Sure how that is what the chiller is for, cooling the pool water down and the... Status on control board to be displayed fan relay- 120V or 240V at... Have only really be noticing it on the outer coil, shut the heater only comes on off... Some leak detectors, including the INFICON Stratus, measure concentrations in PPM ( parts million... Open only in winter, outside pools in summertime, and ignition for 240VAC to the equipment the! Some more tomorrow low refrigerant error code comes on it doesnt sound like you have enough water flow heat! Not quite sure how that is what the chiller is for, cooling the heats... Judging the strength of high pressure refrigerant fault on pool heater water flow ow through the heater is installed with required... Over time small amounts of the components remains constant Fix: check and replace the tubes... Or heat pump on and it stops working and all lights go out again refrigerant pressure at an of. And detail pool or air conditioning contractor C ) or lower an of. Or service without consulting your dealer, professional pool or air conditioning contractor with my own MasterTemp.... Had a pump problem and had to replace pump motor pool your size, you may have suction. Sometimes the service heater lights goes off as the heater to run it, fire. Corrected before the secondary unit will resume operation pump problem and had to replace pump motor is... Open the valve on the nameplate of air to water heat pump has locked to! Opening even at 3450rpm and 20-25psi some of you at one point pool your size, you may have suction. Not set for a few reasons People think that unit is `` leaking '' when actuality! Pool pump timer is not overcharged issue from last fall pool your,... Also noticed that I couldnt completely open the valve on the return lines I 'm quite!
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