"F3" on a GE / Hotpoint microwave means you have a shorted membrane keypad.
On RVM1435-series microwaves, the membrane keypad is not available as a separate
part, so you would have to order the control panel frame assembly which comes
with a new keypad.
In this case, you simply move your circuit board into the new frame. That is a
simple do-it-yourself job.
can find helpful exploded view diagrams and order parts by entering your full
model number (RVM1435XX###) from the tag on the oven
our Web site
, we have a video available showing how to remove a typical over
the range control panel assembly in under 5 minutes.
Then you unplug the keypad (as per the photo below) and move the circuit board
into your frame.
Some connectors on the relays have a lock:
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