Question about Microwave Ovens
For the last year or so the display crystals would come and go.today the right side of panel quit.if i tab cook time to over 90 min.and hit start it will work.no display code .there are a row of small triangels on top 775 in the display ,a couple of more triangle on the bottom.when i depress the start ,cancle ,add a minuite.basicly from the knob to right the triangle go out.so it seem it is the membrane and the display?
Sounds like the keypad is okay, unless it might be intermittent.
Your wall voltage is within the proper range.
It sounds like it might be bad connections on the control board causing functional and display problems.
I work on control panels, actually, but I can't find any service data (yet?) on this model.
There should be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.
Did you find it?
Any chance you could scan and e-mail it to me?
Please feel free to contact me directly.
We're happy to help and we appreciate your thoughtful rating of our answer.
William E. Miller, AS-EET
Posted on Jul 06, 2008
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Posted on Jan 02, 2017
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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