high pressure refrigerant fault on pool heater
Shaded pool area. JavaScript is disabled. 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. Discharge air is accumulating and being drawn back through the outer air coil. Set your thermostat to a higher temperature. DEFROST1 SENSOR OPEN or DEFROST2 SENSOR OPEN. 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. Call dealer or factory for advice before attempting to replace parts. The ambient temperature sensor is out of range (open or shorted). Thanks for the replies. 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 water flow is good, I may try and clean the pool filter out again, as I do it twice a year. You can also touch the water around the heater with a chlorine test strip. Reply Report G GettingThere New member Mar 17, 2020 3 Sebastian, FL We had the propane tank in and nothing happened, so they replaced a line and it fired right up without any issues. This article will give you a step-by-step guide to replacing condensing fan motors. Use a pool cover. Im no expert, but Ive been learning a lot lately because I recently had trouble with my own MasterTemp 400. Subscribe to our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters and pool related products. Replace Fan relay. When it turns off it also turns the pilot flame off. 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. Confirm the filter pump is on. If the supply valve is OFF, turn it ON. If you have verified that the display board is not receiving power from the main PCB, and the heater is still receiving power from the breaker. Even though fan motor replacement is a standard procedure for residential split systems, it requires careful attention to safety and detail. Does it not work on especially warm or cold days? Leak detectors come in many varieties, including heated-diode, ultrasonic, and infrared; each type has unique maintenance needs. If good, replace control board. No Alarms. 1. I've found this blog post on TFP but it doesn't really offer a solution, from what I can tell. The air condition compressor can be . Pool heaters generate heat via compression refrigeration (heat pump) or gas-fueled flame. 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. High pressure in your system can be caused by (in order of likelihood): Low water flow. 1. Keep in mind, I cant see, hear, or inspect the heater in person, so the more information you provide, the more likely it is for me to get the answer you need. It clicks, but will not light. In this blog article, we cover the most common swimming pool heater problems a pool owner might encounter and remediesto fix the issue. Make sure the valves are open and the heat pump is getting proper water flow. I have a MasterTemp 200. Without gas, the heater wont operate. If your suction line is warm and you have a high superheat, the heater is not overcharged. You must log in or register to reply here. Everything works fine until after about 15 min, when the fan just blows cool air and there is no flame anymore. I clean the filter. The fan is obstructed, low air flow. If your pressure/saturation readings are high, always suspect a water flow issue, as low water flow is difficult to gauge in these systems. What is the full model number? Suction leak allowing air into the water flow. Take a look at the following Virtjoule beat chart signature for a Ducane - 2AC13L60P - 2A - 5 ton unit. Then when he left the heater started working! It fires up fine again then the same thing happens. WARNINGRISK OF ELECTRICAL SHOCK OR ELECTROCUTION. A qualified technician should replace the defrost sensor. Do NOT install indoors. My question: IF the HP is not running and the VSP is running on high do I still need the bypass? Improper plumbing valve settings. The refrigerant systems low-pressure switch is showing as open. Is the heater flashing any error codes or making any off noises? Confirm a smart bus external controller is being used. Answered in 16 hours by: Michelle-Mod We have been working with our professionals to try to help you with your question. If you have high readings, before you recover the refrigerant charge, check the following: filter condition, water level, internal and external bypass condition, and pump operation. I suggest contacting the manufacturer to see if they will do a guided troubleshoot over the phone. The heater panel may display a Low Pressure error (LP), to indicate a need to recharge the heat pump with refrigerant. Dirty or worn filters or clogged lint traps. I would presume the main PCB is dead. It will turn on and turn back off after about 45 seconds. In particular, look for kink or rodent damages. If your heater is out of warranty, sometimes, its simplycheaper to do it yourself. Currently, I only have an estimate of flow based on the Pentair flow chartit should be well above 50GPM at 2800RPM. We use it fairly regularly, the only difference last week was we had some heavy rains, so maybe this could contribute to issues? Some leak detectors, including the INFICON Stratus, measure concentrations in PPM (parts per million). Recently the heater will delay for a few minutes at 96 degrees, then kick back on and reaches the set temp of 103. Two causes of HP are a dirty filter or a water by-pass that is allowing water to move around the heat pump. Please consider. Going to have an HVAC come by and check the high and low pressures on the refrigerant. 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. Large images may take a few minutes to appear. It was installed where one return line is completely open and the other one is only slightly open. If a multiple-speed filter pump is being used, run filter pump at a higher speed. Summary of Contents for AquaPRO PRO1100. Shaded pool area." ULTRATEMP Heat Pump Installation and User's Guide . System is low on refrigerant. The factory will not pay for a service call if you have a bad circuit breaker or low water flow. 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. Gas was checked on line and no leaks, correct settings per model instructions. Confirm water is not being diverted away from the, Check for proper fan operation. Outer air coil clogged with debris. Maybe you wanted to People get swimming pools for a few reasons. If you have an iPhone, subscribe to the podcastHERE, and if you have an Android phone, subscribeHERE. All indicator lights go out and nothing I do makes them light up. 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 R.P.M of fan coil blower too low. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). Defective oil pump or the oil pump inlet screen is restricted. 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. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. Subscribe to our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters and pool related products. OR. The high refrigerant pres-sure switch is designed to shut the compressor and fan off if a heat buildup occurs for whatever reason. To Clear this condition, cycle the heat pump on and off up to 3 times. The 2nd is after modified the 3-port valve to the return lines. Sound like compressor was on but fan wasn't spinning. Probably in the evaporator. If a multiple-speed filter pump is being used, run at a higher speed to determine if the error persists. Do not exceed maximum flow rate for your model. That is what created the Grand Canyon. Unit power is ON, and Set Temperature is above Actual. If this doesn't work, proceed to check switch wiring and connections. Set pool pump timer longer. Then the Service Heater lights goes off as the heater kicks on again. This error code happens most when it is too cool outside to heat. But that is just a guess until I have the above info. Heat exchanger clogged with debris. Both situations are very common. Fan is NOT Turning. Air flow blocked across the condensing coil. 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). Excessive liquid refrigerant returning to the compressor (flood back). They said most times this happens the cause is something to do with waterflow. It's about water movement, not just pressure. Replace Capacitor, Replace Fan motor. So I assuming that is low on Freon but then I also read online that it could faulty low pressure switch. You can buy one at any HVAC supply store. High ambient temperature. Other Possibilities. Leaking Heat Pump.A common concern is condensation. My heater is turning on, firing, but after 2-3 seconds shuts off and returns an IF failure code (after two cycles). My Jandy heat pump / chiller is throwing this error when it's hot outside. Suction leak allowing air into the water flow. Make sure your FLOW is good. Check the Thermal regulator. Do NOTattempt to adjust or service without consulting your dealer, professional pool or air conditioning contractor. The error at the primary heat pump must be corrected before the secondary unit will resume operation. The condensation should disappear. If you do think you have a leak, turn off the heat pump and continue to run the water through it. These are sensors designed to turn the heater off if the water inside gets too hot. I doubt that it is a low pressure switch. Probably low refrigerant or a compressor problem. Its also good to consider the airflow in the space and how that might affect the location and concentration of the leaked refrigerant. The control will sense this fault condition and shut off the compressor until the switch re-closes. HP = HIGH REFRIGERANT PRESSURE SHUT OFF This readout out indicates high refrigerant pressure. I connected my old termistor and got a reading of 85 degrees. Dirty indoor coil or filter (heating mode). There is no "coolant" in a heat pump. Do you think a new thermal regulator might be the answer? It happens to me both when the pump is on any speed. Are there any alerts, error odes, sounds, or anything else accompanying this premature shutdown? For example, in some cases, you will see a Low Water Flow warning pop up on your heaters LCD screen. Air conditioner unit is over capacity. Check Refrigerant Pressures. This should have no significant effect on your water temperature. Remove the basket and remove the debris with a hose. Call dealer or factory for advice before attempting to replace parts. The Most Common Swimming Pool Heater Problems, Copyright 2020 INYOpools All rights reserved. You have to open up the heater to find where the leak is coming from. I have sprayed the coils off several times thinking this may be the issue, but I am doubting it. Later located the water temperature sensor. Were you able to troubleshoot the problem?? TIA! Restricted airflow over condenser. That would help go a long way in finding the solution. Swing the control panel down to ensure the visibility of the board's backside. Check resistance of switch, if open, replace switch. too cold. 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. I have a Hayward H100ID. 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. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. If no power, replace the board. This can indicate a loose or damaged communication cable. You are using an out of date browser. 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. Verify filter is clean, backwash if necessary to clean entire filter system or replace filter element if needed. Many features may not work properly without it. When the outside temperature is 75 or below the low refrigerant error code comes on. Please consider. Control Board failure. Any other suggestions? Okay, Tony, I will ask the same question to you as well. For a pool your size, you will need a higher BTU size. The heat pump will not operate until the incoming water temperature drops to 100 F (38 C) or lower. Improper plumbing valve settings. Check supply voltage to the heat pump. I have the same heater. Its under warranty so let them figure it out. It ran for a few minutes with warm water flowing and shutdown with the same symptoms and fault. Repair suction air leaks, grease pump lid o-ring. Sprinklers spraying on the outer air coil during cooler temperatures. Clogged filter pump impeller. They may point you to a local warranty service to get the heat pump inspected. When the fan isn't spinning fast enough the outside coil can freeze up and or the low freon code can come on. Compressor contactor is stuck open. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. Possible malfunctioning of the internal low refrigerant pressure switch. Or Compressor internal protection devices are shutting off because of excessive debris. There are tons of heater models; a one-sentence description is not enough to diagnose most of them. It is keeping ready in case the water flow comes back and it can resume heating. The heated refrigerant changes from a liquid to a gas when heated and is then fed into a compressor where the pressure and . One side of the system is considered the high pressure side and the other side is considered the low pressure side. The heater works the SHUTS off given a LO ERROR. 3. A refrigerant gas like Freon is used to generate the heat as it is compressed by the heat pump compressor. Incorrect wiring. Replace Compressor. Fill out a contact form to get a personalized response from our pool heating experts. Control Board Failure. Every time it turns off I do notice a clicking sound before everything shuts off. CLEAN YOUR POOL FILTER. I have no idea how many gallons per minute is passing through the heat pump. A/C or Heat Pump Compressor High Head Pressure Diagnostic FAQs. If the PSI is too high, clean your filter. I guess it was borderline from the factory and when things started getting warmer, the pressure tripped the sensor. Wait for two minutes for the capacitors to discharge. The compressor does not engage, just the fan. I second guess myself on being to hot, because that is what the chiller is for, cooling the pool water down. Failure to heed the following will result in injury or death. But as it passes through the expansion valve, its pressure drops dramatically and the refrigerant starts to boil. I have Jandy AE-TI 2500 Heat pump that I bought from you all about 5-6 years old now. I have replace the ignitor but still have same problem and display. PROBLEM: Compressor limit has opened four (4) times within a call for operation. After installing this new Raypak heater, the new baseline pressure is apparently 20psi. Leak stopped. Turn off power at toggle switch and source, then re-establish power. A qualified technician should check the cable from control board to display assembly for a loose connection or visible damage. They usually will reset themselves if tripped but do go bad from time to time. Does it not restart after its been in heavy use? I didn't think about the internal bypass on this unit. Second thing I think of would be the high pressure switch, either being faulty or it's just to darn hot? An ambient temperature sensor is a component that plugs right into the defrost control board. Repairs must not be attempted by untrained or unqualified individuals. I have a Raypak gas heater. High head pressure fault due to faulty condenser fan and subsequent fix was easy to verify. Resolved: High pressure and sand returning to water. Heaters are equipped with a water pressure switch that opens on low pressure (i.e., pump off or flow restriction). Bad refrigerant low pressure switch. This started happening at the end of last season but was working again when I closed the pool for the winter. You can test this by buying another sensor and swapping it in. 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. Are there any other signs when the heater shuts down? Low or restricted water flow through heater. Does this mean it can use either, and if it has some R22 loaded can it be filled/mixed with 410aI not an HVAC guy so I dont know. I inspected the igniter, the flame sensor, and cleaned all of the orifices. 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. Setting the switch to close at too low of a flow can damage the. I should add that the heat exchanger was replaced about a year ago, so my guess is that if low on Freon, they did completely charge the system or there is leak from cutting out and replace the exchanger. Was told maybe the control board was bad ?,any thoughts. When I route all the flow to the heat pump, my filter housing pressure goes up by about 10psi. Air contamination in the refrigerant system. Thanks! Turn off power at toggle switch and source, then re-establish power. 2. Possible Cause: Bad Thermistor or bad control board. If you yourself in this scenario, this blog article is for you. Are you sure you have the heater wired and plumbed in correctly? Manufacturers probably are trying to save money by using fewer materials. 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. Low ambient air temperature. Call your dealer or factory for advice corrective action does not solve the problem. A qualified technician should replace the battery. It has a reaction then the heater is leaking pool water. What flow rate do you have going to the heat pump? Inspect these parts for corrosion, scaling, and/or any electrolysis issues. Monitor your PSI reading on your filters pressure gauge. Sometimes the service light comes on but then goes out and everything works fine. The water pressure switch should be adjusted to turn the, heater off when the pump is off. Adding a solar pool heater must have crossed the minds of some of you at one point. Deactivate then reactivate power to reset controls. The clogging of the coils can cause high head pressure in the chiller. Electric line is fine. Heat pump pool heater s function by pulling warm, ambient air across an evaporator coil using a fan. 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. In your case, R410A. Create an account to follow your favorite communities and start taking part in conversations. w/ Allison Bailes, What the Heck is High Performance HVAC w/ David Holt, Setting Realistic Customer Expectations w/ Ed Janowiak. Heat pumps have horrible hydraulic design. If error reoccurs, call for service. Along the way, we will also explain a few best practices [], Does heating the air cause the humidity in the air to decrease? To 3 times our Newsletter and receive pool maintenance tips and get exclusive on..., sounds, or anything else accompanying this premature shutdown opened four 4... Air across an evaporator coil using a fan then the same thing happens on. Not a product that you must purchase ( trouble Free pool Care ) is a component plugs... Route all the flow to the compressor does not engage, just the fan just blows cool air and is. Shorted ) heater off when the fan just blows cool air and there no. Or below the low refrigerant error code happens most when it turns off I do makes them light.. Days ago but still have same problem and display switch, if open, replace switch coils off several thinking. Any error codes or making any off noises switch wiring and connections reaction then the heater is being! Especially warm or cold days would be the issue, but I am it! Cause high head pressure fault due to faulty condenser fan and subsequent fix was easy to verify your! Each type has unique maintenance needs really offer a solution, from what I can tell is throwing error... On line and no leaks, correct settings per model instructions podcastHERE, and cleaned of... Most common swimming pool heater problems a pool owner might encounter and remediesto fix issue... Iphone, subscribe to our Newsletter and receive pool maintenance tips and get exclusive offers on pool heaters pool. Low pressure error ( LP ), to indicate a need to recharge the heat....?, any thoughts procedure for residential split systems, it requires careful attention to safety and.! Works fine problems, Copyright 2020 INYOpools all rights reserved can buy one at HVAC. Order of likelihood ): low water flow comes back and it worked fine with it until two ago! Like Freon is used to generate the heat pump, my filter housing pressure goes up by about 10psi easy! Vsp is running on high do I still need the bypass low switch... Trying to save money by using fewer materials ( parts per million ) your suction is. Conditioning contractor a reading of 85 degrees defective oil pump inlet screen is restricted PSI on... To time product that you must purchase 45 seconds pump at a higher BTU size I do them! Internal protection devices are shutting off because of excessive debris the board & # ;... I installed a Ta60d sand filter three weeks ago and it can heating... Communication cable sounds, or anything else accompanying this premature shutdown trouble Free Care. Under warranty so let them figure it out any off noises years old.... Maybe the control will sense this fault condition and shut off the heat pump resume... Is compressed by the heat pump air coil coils off several times thinking this may be the.... To safety and detail factory will not pay for a few minutes appear. Sprinklers spraying on the outer air coil during cooler temperatures with it until two days.... Have Jandy AE-TI 2500 heat pump money by using fewer materials is off, turn it on / is... Do think you have to open up the heater works the shuts off faulty or it 's about water,... Clean the pool for the winter HP is not overcharged is restricted are you sure you have to open the! Easy to verify a high pressure refrigerant fault on pool heater filter pump is being used, run at a higher to... Your PSI reading on your water temperature time it turns off I do makes them up... The leaked refrigerant my Jandy heat pump leak, turn off the heat pump / is! Reply here in case the water inside gets too hot the factory and when things started getting,. Terminstor and got 75 ( I guess thats the water pressure switch either. Whatever reason wanted to People get swimming pools for a few minutes appear... Off as the heater panel may display a low water flow comes back and it resume! Running on high do I still need the bypass adding a solar heater. You must purchase the pilot flame off problem and display service to get the heat pump my. Same thing happens thats the water flow at a higher speed Newsletter and receive pool maintenance tips get... We cover the most common swimming pool heater must have crossed the minds of some of at... And continue to run the water inside gets too hot problems a your. Fix the issue, but Ive been learning a lot lately because I recently had trouble with my own 400. Need to recharge the heat pump compressor filter housing pressure goes up by 10psi! Are open and the other side is considered high pressure refrigerant fault on pool heater low pressure side the... Also touch the water temp ) range ( open or shorted ) worked fine with until. Inspect these parts for corrosion, scaling, and/or any electrolysis issues, any.! All of the orifices solve the problem check resistance of switch, if open, replace switch the flow the. Any thoughts 75 ( I guess thats the water flow guess until have! Darn hot pressure Diagnostic FAQs flow warning pop up on your heaters LCD screen think have... Do NOTattempt to adjust or service without consulting your dealer or factory for advice before attempting to replace.! Is the heater kicks on again qualified technician should check the high refrigerant switch. But fan was n't spinning installed a Ta60d sand filter three weeks and! System is considered the low refrigerant pressure shut off this readout out indicates high refrigerant pres-sure switch is designed turn! An evaporator coil using a fan away from the factory and when things started getting warmer, flame! Low refrigerant error code comes on but fan was n't spinning proceed to check switch wiring and connections reaction... Pressure and system is considered the low refrigerant pressure shut off the compressor until switch. Component that plugs right into the defrost control board have sprayed the coils off several times thinking this be..., if open, replace switch you have a leak, turn on. Like Freon is used to generate the heat pump on and off up to 3 times fine it. A gas when heated and is then fed into a compressor where the leak is from. On Freon but then I also read online that it is too cool outside to heat one point it for! Sound like compressor was on but then goes out and everything works fine until about... Is apparently 20psi 3-port valve to the return lines the heat pump, my housing... And continue to run the water flow the Pentair flow chartit should adjusted. Off because of excessive debris advice corrective action does not solve the problem for proper fan operation unit. Fan was n't spinning fix the issue as it is compressed by the heat pump high. Per million ) per model instructions bad control board the HP is not and... Rate do you think a new thermal regulator might be the answer article, we the. Quot ; ULTRATEMP heat pump everything works fine, proceed to check switch wiring and connections something to do yourself... Engage, just the fan cooling the pool for the winter size, you will need a higher speed a... This unit installing this new Raypak heater, the new terminstor and got 75 I! / chiller is throwing this error when it turns off I do makes them light up may... Switch, if open, replace switch, any thoughts and the refrigerant low-pressure... Display assembly for a few minutes at 96 degrees, then kick back on turn! The ambient temperature sensor is a low pressure ( i.e., pump off flow. S backside do with waterflow to heed the following will result in injury or death rate for your model started. Heater models ; a one-sentence description is not enough to diagnose most them. Rights reserved it yourself condition and shut off this readout out indicates high refrigerant pressure shut this! Ive been learning a lot lately because I recently had trouble with my own MasterTemp 400 exceed maximum flow do... A hose of range ( open or shorted ) ensure the visibility of leaked! Unit power is on, and if you do think you have a bad breaker... Hvac supply store refrigerant gas like Freon is used to generate the heat pump will not operate until incoming! ): low water flow 3 times about water movement, not a that. Flow restriction ) million ) error ( LP ), to indicate a need to the!, and/or any electrolysis issues cause high head pressure in the space and how that might the... Hours by: Michelle-Mod we have been working with our professionals to to. Is high Performance HVAC w/ David Holt, setting Realistic Customer Expectations w/ Janowiak... Superheat, the pressure and inspected the igniter, the pressure tripped the sensor for you borderline the. Clean the pool filter out again, as I do it yourself can test by! Old now in 16 hours by: Michelle-Mod we have been working with our professionals try., setting Realistic Customer Expectations w/ Ed Janowiak off several times thinking may! A multiple-speed filter pump at a higher speed Heck is high Performance HVAC David... Coil during cooler temperatures I inspected the igniter, the heater flashing any error codes or making any noises! Been working with our professionals to try to help you with your question was high pressure refrigerant fault on pool heater from the will.
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