Hot summers and reasonable winters are the hallmarks of a typical Nevada year, with temperatures never reaching the extremes other places are known for. ©2020 Jerry Kelly Heating & Air Conditioning, Terms of Service | Privacy Policy | Sitemap | Design & Marketing by LeadsNearby. Older furnaces will use either a sequencer relay or a simple peanut relay. But if not, the only real answer is to call in an expert. If it continues to attempt to operate it can seriously damage itself. Heat Pump Air Handler won't shut off. The limit switch in a furnace or heat pump is designed to shut off the heat pump if the air in the plenum gets too hot. The only way to stop the pump is turn off the boiler, controller etc at the mains, although it does seem to turn off eventually by itself if you don't turn off … It normally won't turn off until the temp is above the set temp, so it would run until the house got to 71 (again, this is adjustable). It’s not the thermostat, I have tried 3 different ones and it does the same on all of them. When in heating both work fine. If everything looks right but your pump isn’t shutting off when it should be, the thermostat might be faulty, or the wiring connecting it to the heat pump controls may be damaged. In the heating season, just set the thermostat(s) to the lowest setting and confirm that room temperature is above that point. If it has, turn it to OFF or to Auto. In particularly cold winters, heat pumps may take more time to reach and maintain a comfortable temperature in your home and appear as if it never turns off. Leave the system in EHEAT mode for an amount of time equal to the power outage. There are two types of “troubles” we can talk about here. Heat pumps work much more gradually, and maintain comfort by keeping a steady flow of warm air circulating within the home. Instead, they transfer heat from one place to another. Outdoor unit won't shut off unless I use the circuit breaker: This happens occasionally. This should turn the heat pump off temporarily. Do not switch to emergency heat when the outdoor temperatures dip below … Aside from making sure the power switch on the unit is turned on you can troubleshoot the following. My heat pump won't shut off (heating). It will also need to be replaced by a technician. Ensure you have a power switch connected to the heat pump, and be certain that it’s receiving power. Give us a ring. If it is set to OFF or Auto already, the heat pump’s limit switch needs to be adjusted. Check your settings to be absolutely sure they’re correct before you make a potentially costly repair call! Check the settings in the heat pump manual. However, if the thermostat is properly adjusted and the heat still won’t turn off, there are other mechanical issues that will likely require professional attention. "Don't leave your heat pump on all day if you're not there. Any issues with the contactor can cause a heat pump to … That said, heat pumps do come with some unique problems of their own, one of which is the possibility that you may at some point have trouble getting your heat pump to stop heating and cooling. In this video I diagnose and repair an outdoor unit on a heat pump that keeps running even when the thermostat is in the off position. Give it a good ten seconds and then kick it back on. OAT is 62F. By making sure your home is properly insulated, your heat pump won't have to work as hard. We’re having a cold winter. Make sure your thermostat is set to heat. It is a Lennox m/n CB29M-41-1P unit controlled by a Lux PT 2110 thermostat. This process is slow and gradual compared to the instantaneous cooling or heating of an AC or furnace. So, your heat pump switches to “AUX heat” when it’s in heating mode—and you’re wondering if it’s normal. Some models of heat pump that refuses to turn off is because a relay! 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