The heater works the SHUTS off given a LO ERROR. Does anyone have any suggestions on what I should do. Click here to shop our store. Advice? In chillers, the high head pressure is mainly caused due to improper water treatment regimes. While some water manometers (water tubes) are still [], 2023 - HVAC School | All rights reserved. Faulty Compressor contactor. Possible Cause: 1. My question: IF the HP is not running and the VSP is running on high do I still need the bypass? Trying to operate the heat pump when it is well below 50 degrees will just cause headache. Follow all National Electric Codes (NEC) and/or State and Local guidelines. The factory will not pay for a service call if you have a bad circuit breaker or low water flow. Then reactivate heat pump's power at disconnect. Call your dealer or factory for advice corrective action does not solve the problem. Pentair 350. I'm having the same issue. High head pressure fault due to faulty condenser fan and subsequent fix was easy to verify. 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. 1. Other Possibilities. Please help! If your heater is undersized, it will have problems heating your pool up. Incorrect wiring. Adjust Plumbing valves. FIELD WIRING: Have you tried cleaning the filter to see if that fixes any flow issues? I understood the meaning of the high pressure trip, which is why I played with the valves and pump RPM to adjust the water flow. Low refrigerant pressure caused by a Refrigerant leak. The heater only comes on if its turned all the way up. Im so frustrated. We are a registered 501(c)3 non-profit that is funded by user donations. An air conditioning system works in a cycle. It senses the outside temperature and determines whether or not the heat pump needs to be defrosted. Colmac CxV - Low-Temp Air-Source Heat-Pump Water Heater. Replace filter. 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. The heat pump contains refrigerant under high pressure. it will kick back on when I get the pilot lit again but turns off again. Air flow blocked across the condensing coil. Failure to heed the following may result in injury or death. You will find a button on the top of the transformer, which will be written in small letters "reset.". 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. Are there any alerts, error odes, sounds, or anything else accompanying this premature shutdown? You are using an out of date browser. Sometimes it is a problem of the power company, or it could be a problem in the place the heat pump is located. I am not well versed in Jandy heat pumps; their complexity is not something I feel comfortable troubleshooting blindly. Maybe it is more restrictive than the old heater? Ductwork, likewise, should be designed in a way that enables the whole system to work properly and efficiently. Were you able to troubleshoot the problem?? Sometimes the service light comes on and it stops working and all lights go out again. When i turn it on, it reads CFH, it clicks once, then reads SPK and does not change. If you are running your variable speed pump on the low setting, make sure you meet the minimum GPMs for your heater. Pool is not getting up to temperature. 3. Recover refrigerant before opening the system. 2. Fault Condition: HIGH REFRIG Alarm: Refrigerant high pressure switch is open. The fan is obstructed, low air flow. The ON LED will flash 3 times every 2 seconds. If there is no gas coming from the energized pilot valve, replace valve. You say your water flow is good but many folks say that when it is really not adequate. Swimming hall is open only in winter, outside pools in summertime. Listed below are causes for high condensing temperatures: Dirty condenser. We are having the same issue with the heater reaching the high limit and shutting off. The electronic display indicates the operational status of the heater and any fault conditions. WARNINGRISK OF ELECTRICAL SHOCK OR ELECTROCUTION. Any thoughts on what I can do to further troubleshoot? Check resistance of switch with a full charge, if open, replace switch. Control Board Failure. 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. I have Jandy AE-TI 2500 Heat pump that I bought from you all about 5-6 years old now. Leppavaara is both swimming hall and outside swimming pool. 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. Your email address will not be published. Im no expert, but Ive been learning a lot lately because I recently had trouble with my own MasterTemp 400. Low ambient air temperature. Im going to work on this some more tomorrow. I clean the filter. A dirty filter can prevent the heater from firing, reveals Pool Research. Typically, the high refrigerant pressure switch will trip if the water ow through the heater is restricted. One side of the system is considered the high pressure side and the other side is considered the low pressure side. The tubing is way too small and presents way too much restriction. 840p 2-Way NPT Ends 9365P 9365PH 8265P 365P 840P WCCW-HR WCME-HR WCCW65 Removed it and plugged the fitting hole. Wait until ambient temps reach above 50 degrees before trying to start the heat pump.No power. Document LTM0930 rev B- (project rel 7.02). Im sure the electrician did his best on the circuitry, but when dealing with a heater, you probably want to have an HVAC company take a look at the unit. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. Locate the button from behind of the control panel. If good, replace control board. 2. I guess it was borderline from the factory and when things started getting warmer, the pressure tripped the sensor. Unit is plumbed backwards. Deactivate power while routing wiring to control board. Automatic pool vacuum causing restrictionReclaim charge. How long after the flame goes out does the blower run? A qualified technician should replace the defrost sensor. I recycled power a few times. Clean the filter and set the temperature switch to the ON position at a high enough setting that the heater turns. Check your pumps strainer basket. Matthew hasnt been heard from since just after Tax Day. Excessively low suction pressure. Clean entire filtering system and or replace filter element. DEFROST1 SENSOR SHORT or DEFROST2 SENSOR SHORT. But that is just a guess until I have the above info. The refrigerant systems high-pressure switch is showing as open. The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. Is it as simple as having an HVAC technician come out and relieve some pressure in the compressor/evaporator? Do NOTattempt any internal adjustments inside the heater. 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. $800. Find source of refrigerant leak and fix. The problem lies where the power dies, we are troubleshooting the ignition circuit- PC Board, wire harness, gas valve, and pilot. I have a Pentair Heater. 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. Orifices were clean. Place heat pump in heating mode and perform the following troubleshooting. Do not exceed the maximum flow rate for the model. Fill out a contact form to get a personalized response from our pool heating experts. The pool pump must be ON and your filter clean for the switch to close and allow voltage to pass through. I suspect maybe its the flame sensor? Clogged filter pump impeller. 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. If possible, replace the motor with a larger one. The heat pump has locked due to five LP (low-pressure) faults during one call for heating or cooling. +1, new R8450ti-E doing the same once in awhile. Do not exceed maximum flow rate for the model. Excessive liquid refrigerant returning to the compressor (flood back). Low water flow when switched t. Corrective Action: Verify water pump is on. It only happens during below zero temps here in Cleveland. Make the sure the breaker has not tripped. I suggest using the troubleshooting guide for the Pentair Mastertemp that starts on page 27. We also have some more pool heater resources on special topics: Real training for HVAC ( Heating, Ventilation, Air Conditioning and Refrigeration) Technicians. Do NOTattempt to adjust or service without consulting your dealer, professional pool or air conditioning contractor. These special sensors monitor and detect changes in water flow. Refrigerant overcharge. When measuring PPM, we have to keep in mind that it doesnt indicate the size of the leak or leak rate, but it does help us pinpoint the leak location. Bad refrigerant low pressure switch. When the head pressure builds too high, the high pressure switch will open causing the heat pump to shut off immediately. Although, theres strong water coming out of the 2 return lines. Clogged filter pump impeller. Improper plumbing valve settings. 2. The owner of Peregrine was a buddy of mine. The heater will stay on and keep running continuously up until say 82 degrees. Has it just rained? 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. Installing and troubleshooting a heater that is still under warranty without proper licensing can forfeit your warranty under the manufacturers terms and conditions. Tripadvisor performs checks on reviews. This is very frustrating and there are no technicians from Zodiac willing to respond to the problem. My MasterTemp 400 fails to work intermittently. 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. (Manual not electronic) I closed the pool. All connections have been tested by an electrician with no issues also. 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. I checked the breaker and it is fine. Your email address will not be published. 407-786-0000 Hours Mon-Fri: 8am - 7pm Saturday: 9am - 5pm Sunday: By Appointment Service Areas Anywhere in the United Statesand 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 Quick links He tinkered around with it, said he couldnt figure out the issue and suggested we start replacing parts one by one I was hoping for a more direct approach. If you yourself in this scenario, this blog article is for you. do i have to change my LED panel or the board itself inside?? Yes, high flow rates can erode the heat exchanger. Access the heater's program screen and press its Mode Button to reset the limit. Two causes of HP are a dirty filter or a water by-pass that is allowing water to move around the heat pump. 1 Flash. Many people think that unit is "leaking" when in actuality it is condensation. 3.6 kWh x 0.15 cents = $0.54. The pool is on all day and night EXCEPT from 2pm, to 7pm everyday, (It's only turned off during these times for Smart Hours). Repair suction air leaks, grease pump lid o-ring. High Freon pressure. Set pool pump timer longer. Is the thermostat set too low? Unit power is ON, and Set Temperature is above Actual. Service by unauthorized personnel will void the. Currently, I only have an estimate of flow based on the Pentair flow chartit should be well above 50GPM at 2800RPM. The heat pump's controller board is overheating. I know this is an old thread, but did you ever figure this out?
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