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Old 12-17-2012, 07:28 AM   #1
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Goodman Heat Pump

Air Handler will not shut off. Turning off at thermostat has no effect.
Have to turn off by breaker

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Old 12-17-2012, 08:59 AM   #2
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Join Date: Apr 2011
Location: West of St. Louis MO in the country
Posts: 147

Goodman Heat Pump

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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