Cooling Fan and Motor
Resistance through the cooling fan motor from the power cord (L) to CN04 pin 7 is approximately
24.7ohms. The door (primary interlock) must be closed to complete circuit.
The cooling fan motor, in series with the drive motors, provides voltage reduction to 21 VAC.
Removal
Remove the microwave (see Microwave Removal and Component Access). Remove the screw at the top of the control panel.
Slide the control panel up and remove it. Disconnect 8 electrical connectors and the ground wire from the control panel.
Move the TCO out of the way. Disconnect the power transformer.
Remove 3 screws from the fan motor mounting plate. Slide the mounting plate forward to allow access to the fan blade. Slide the fan blade off of the fan motor shaft.
Remove 2 screws from the fan motor.
Remove the fan motor from the fan mounting plate and remove the 2 wires.
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