You’re not sure of the cause, but you know that you want to get your pool heater working again. When your swimming pool heater malfunctions, troubleshooting the source of the problem can be more complex than working with filters or pumps. Contractor's Assistant: Anything else we should know to help you best? A dirty basket, or clogged or dirty filter. I am having an issue with my pool heater. Contractor's Assistant: Who manufactured the pool? FS – The unit is in defrosting cycle. The unit is in safety mode and will show (FL3), press any key to restart the unit. Pool Will Not Heat; Check that the ejected air temperature is colder than incoming air. (The fan works but the compressor is off.) We bought a new heater this season, a Raypak 206,000 BTU NG Electric Heater RHM-15-9962. careful! Rheem Manufacturing ranks as the global leader in the manufacture of high-quality, sustainable, and innovative water heaters, tankless water heaters, air conditioners, furnaces, pool heaters, and HVAC systems for residential and commercial applications, and is a full member of AHRI, the Air-Conditioning, Heating, & Refrigeration Institute. No Hot Water . User manuals, Rheem Swimming Pool Heater Operating guides and Service manuals. The most common cause if flow. This isn't helping The FL3 code will shut down the unit and pool pump. Your water heater will be connected to an appropriate tariff \(timed control\), depending on its capacity, to ensure you have sufficient hot water for your needs. Heating up the water starts taking longer, and sometimes the pump shuts off at random. What work? Contractor's Assistant: Do you plan on doing the work yourself? This can mean several things. Please help Download 33 Rheem Swimming Pool Heater PDF manuals. This is evidence of heat removal from the air, suggesting that the heater is working. Rheem Pool Heat Pump Troubleshooting. Rheem Pool heater says Water Sw Open. It is about 10 degrees outside, so I am wondering if it is just too cold? All electric water heaters and gas heaters that use electricity: The first issue to troubleshoot is a lack of power to the unit. Raypak Pool & Spa, Residential and Commercial Hydronic Products - A pool heater is an “open boiler” system, meaning the heater is cooled by the water flowing through the heater. The water pressure switch must be adjusted or it is broken. And that’s why these Raypak pool heater troubleshooting tips are perfect for you. How to Troubleshoot Swimming Pool Heaters. Reem Pool Heat Pump Troubleshooting. Twin element water heater models have the added benefit of using off peak tariffs to save money whilst providing an extra boost should it be needed. Check that the evaporator and internal pipes sweating. 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