How To Fix A Stuck Relay On Ac Unit. A relay contact once welded will never again operate reliably. How To Fix A Fan Relay That Is Stuck Closed.
Go to the condenser unit and use a screwdriver to open the side cover. When relay contacts open and close small sparks called arcs can eventually cause them to stick together. After you repair your AC system make it a point to have your local Sears air conditioning professional stop by on a yearly basis for a maintenance checkup.
Im using an OMR C105-H.
One of the components that the relay supplies power to is the fan. The contacts on your air conditioning fan center relay or control board could be welded closed causing the fan to run all the time. Check to make sure your air conditioning fan relay or control board fan relay is not stuck or welded in the on position. Join Tim Smith as he demonstrates the proper procedure for diagnosing a faulty indoor fan relay on a commercial Air conditioner ACIs the thermostat calli.
