Rheem HE heat pump will not shut off unless the outside breaker is pulled

by CT
(SUMMERVILLE ,S.C.)

I HAVE A RHEEM CLASSIC H E HEAT PUMP. THE OUTSIDE FAN WILL NOT STOP SPINNING UNLESS I PULL THE OUTSIDE BREAKER. I WAS TOLD ITS A RELAY SWITCH...PLEASE ADVISE

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Nov 13, 2016
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starstarstarstarstar 		Stumped
by: Anonymous

Where is it located and what does it look like?
Oct 24, 2014
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starstarstarstarstar 		Contactor
by: Ex-HVAC Instructor

Sounds like the Contactor (also called a relay) points are welded closed. The points arc when they open and close and when badly worn and burned, they sometimes weld together and will not open causing the unit to continue to run. Contactor must be replaced.

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