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Goodman Heat Pump

809 Views 1 Reply 2 Participants Last post by  Done That
Air Handler will not shut off. Turning off at thermostat has no effect.
Have to turn off by breaker
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Possible stuck relay in the thermostat or on the Air Handler control board. Does it stay on all the time if thermostat is set to off (not heal or cool) but fan on is set to on?

You should be able to test with a multimeter to see if the thermostat is constantly outputing 24V on "G" to eliminate stat as a possibility.
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