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Did you notice if there was a click at the blower cabinet when you were switching the fan switch back and forth? If it clicks you probably have a bad fan motor. If it doesnt you may a bad thermostat, relay or relay board. Hope this helps good luck
The condensor fan is usually a capacitor start capacitor run motor.To test i switch the unit on as normal then carefully flick the fan around in the direction of rotation (you may have to take the grill off) to do this,do not use your hand! If the motor starts to run it will be a faulty capacitor, do not leave it running for long as it will not run at full speed and will trip on thermal O/L or burn out.This is a common fault on AC split phase motors that use a capacitor for either starting or start and run.
the fan control is not for the fan on the top of your outdoor unit. that is for the blower, you have 2 fans. Im guessing you have a split system, 1 unit inside and 1 outside?? Does the outdoor fan continually run??
Is there a auto/on switch for the fan? In auto it will only run when the condensing (outside unit) runs. If its in the on position it will run all the time. Also, possible bad thermostat stuck in on position. Check and see if the condenser unit is also running all the time.
sounds like the out door fan is not running and the comp is over heating, rec to start unit and check to see if the fan is running in the first 30-45 min, if not check cap or replace fan motor.
The blinking light is because the unit is waiting for the outdoor unit to come on. If in heating mode, the indoor fan will not run before enough pressure and therefore heat has built up. You should check that the indoor air return sensor is not faulty and therefore preventing the outdoor unit from coming on.
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