The check balls are located inside the heat pump TXVs. If YOU want change, YOU have to first change. If your heat pump ISN'T reaching your set temperature… If your thermostat isn’t reaching the temperature you set for it, your heat pump could be experiencing one of the following issues: Outside unit is blocked: Your heat pump pulls the heat from … Not sure about the installation of the house, it was built in the late 50’s (1110 sq.ft.) Everyone I’ve talked with that have had heat pumps do not like them, especially the elderly. Next, check your outdoor unit is not iced over (see Heat Pump Troubleshooting Problem #1). It includes an outdoor unit, an indoor unit and a thermostat. The condensation occurs from your unit dehumidifying your home. If the valve is malfunctioning, your heat pump will only work like an air conditioner—just cooling. Fujitsu 112 Heat Pump Troubleshooting One of the heat pumps in our house does not appear to heat and it seems that the only way i'm getting heat is when Aux eventually kicks in. First of all, just check and make sure your unit was not accidentally switched to a/c mode. Your Home’s Temperature Changes Thanks to Heat Exchange. The indoor coil in the air handler gets cold when the heat pump is in cool mode. Or the coils in your evaporator may need to be cleaned. Is the reversing valve working properly. Learn how to choose and maintain your HVAC system. The simplest answer to the question is that heat pumps are more energy efficient in cooling mode. For what it's worth, I also ran it in cooling mode this afternoon and the output was about 5° cooler than yesterday (with very similar conditions). Correct the settings. Heating vs. Cooling in a Heat Pump. If you’re troubleshooting the cooling mode, follow the same steps but set the temperature below room temperature instead. Do not try to do any repair if you are not a specialist! System tune-up – If it’s not a thermostat setting, your heat pump may need a tune-up. When a heat pump thermostat is wired improperly, it fries electric components causing the heat pump not to run at all. Condenser fan does not come on at 60 degrees outside air Goodman Heat Pump - three years old. 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Since the ground and air outside always contain some heat, a heat pump can supply heat to a house even on cold winter days. When charged properly & not heating, try switching from heat to cool a few times at start-up to see if it begins to heat. Now, if it isn’t extremely cold out (above 35 degrees), and your heat pump does not reach temperature … And while there are a number of issues that can be quickly and easily remedied by the average homeowner, some repairs will require a qualified, professional HVAC technician to diagnose and resolve the problem. Air Conditioners Heat and Cool Unit: Not Heating Properly. The colder it gets outside, the colder the air from a heat pump will feel. The actual issue can often be attributed to thermostat settings, extremely cold conditions outside, or even a clogged air filter. A heat pump may also not be cooling because its indoor coil got iced. 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