Key pad is not working message displayed on keypad

replace touch pad the control board is self diagnosing and is not receiving the signal or continually receiving a stuck key signal

I don't know of anyway to repair the keypad. Usually replacement (of the keypad/control console) is the only option. But you might want to remove the ribbon cable that connects the keypad to the control board behind it, clean it with a degreaser (like Fantastic or 409), dry it, and re-insert it, and then try again. (Remember to unplug the microwave oven first before you try that!)

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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

HI. you will need to replace this malfunctioning key pad asap. this will require you to disassemble the unit, in order to reach the actual touch pad board. It is not an easy task, and i recommend a professional tech, if possible.

GET THE OVEN NUMBER AND SEE HOW MUCH THE TOUCH PAD COST, SOME TIMES THE TOUCH PAD COSTS AS MUCH AS MICRWAVE OVENS NOW DAYS

try powering down for 30 seconds. if that doesn't work the keypad is shorted or open. do not spray cleaner directly onto key pad when cleaning. it will short it out. rather spray cleaner onto a rag then wipe.

First check all door switches are properly working. If they are ok , the defect may be in the key pad. You need to replace the key pad.

Locking or Unlocking the oven control panel
1. Access Select Function Menu
2. Turn knob clockwise until Lock Keys is flashing
3.Touch Start. Key Pad locked is displayed.

4. To unlock keypads, touch cooking mode and hold for 5 seconds. Display will read unlocking key pad

5. When unlocked the clock will again appear in the display.

It needs a new key pad it is shorted the ge website has a list of error codes f3 is the keypad

It must be dissassembed Clean both surfaces (pad bottom surface and board up surface so they would have good contact) with alcohol solution liquid sweep and let them be dry. Next assemble it again and test it. if START KEY persit not working even if it is clean, a small leaf of aluminium must be stuck at the pad bottom of START KEY. Be sure you can carry out this procedure well done otherwise you 'll need to buy another keypad. Good Luck!