SOURCE: My ge microwave displays a message " keypad has
The only way possible to see if the touch pads are working is to test the voltage of the control pads when it contacts. The input of the Microprocessor should be checked for the pad control impulse to come in. If there is no trigger voltage to the mP this can be the control pad problem.Some dirt can accumulate and cause the tracks to short resulting in this display. Try to use heater to warm off any moisture.
The mP must be checked for the working voltage and also the frequency oscillation at the crystal leads. If so the mP is working with a suspected control pads which are not able to set the program or timing.
There is no way but to remove the sticker pad and replace, One difficult way to have a chance is to remove the carbon sticker pads and check continuity , You can use a carbon pen to line the tracks so that the multi-meter reads a continuity. With this you can have a temporary fix
he most likely cause of this problem is a keypad on the control.
You can try the stop/clear keypad to silence the beeping.
You can put the controls into child lock and see if the intermittent beeping stops. The instructions to turn the child lock feature you have it in the owner manual . The child lock disables most keypads.
otherwise replace the control board.
God bless you
Hi
F3 error in your GE microwave
means that the keypad/touchpad is bad and should be replaced. However, before
replacing it you can follow these step by step instructions to clean the
touchpad assembly and see if it works:
1) Unplug microwave
2) Remove two small screws from upper face plate
3) Remove screw on upper side of control panel
4) Life panel and pull out
5) Identify flat tape-like harness connecting
circuit card to keypad
6) Wipe down harness with an all-purpose wipe
7) Use hairdryer to dry remaining leftover
moisture
8) After this put the keypad back
if its not solved then replace it.
Hope this helps...please post back
for further assistance.
Daniel
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