Question about GE Microwave Ovens
F3 means you have a shorted switch on the key assembly circuit board.
We regularly repair these control units for customers nationwide by mail for $39.95 postpaid in about a week with a one-year guarantee.
Feel free to contact me directly (and please remind me of your model number) for more information & help.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
William E. Miller
Posted on Nov 27, 2008
Tips for a great answer:
Control displaying F3 E0:
There may be a problem with the Oven Temperature Sensor, or the associated wiring.
Power unit down by turning off the circuit breaker(s) for one (1) minute.
Power unit up by turning on the circuit breaker(s).
Monitor the oven for one (1) minute to ensure the error code does not display again.
Verify oven operation.
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