No, residential air-source heat pumps do not feature a direct physical "reset button" located on the outdoor unit or indoor air handler. However, you can easily perform a complete system reset or power cycle using your home's electrical panel or wall thermostat. If your heat pump locks out due to a temporary safety fault, power surge, or control board error, you can reset it by turning off the dedicated circuit breakers for both the indoor air handler and the outdoor condensing unit, switching your thermostat to "Off," waiting five full minutes for electrical capacitors to discharge, and turning the breakers back on. Never attempt to press internal compressor overload switches unless directed by a professional. You can verify a successful reset when the system powers up normally and responds to thermostat heating or cooling calls.
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