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This is not a major big deal, but it's irritating nonetheless. Ok, sometimes the "3" button works and the "4" doesn't. Or sometimes the "4" works and the "3" doesn't. And as of now, the "0" doesn't do a THING when you press it. And when you press the "5", a "1" appears. I know, I know...crazy.
Testing every step and fix it. God bless you see the diagram attached
Microwave Buttons Don't Work Touchpad and Control Panel
If the microwave buttons don't work the touchpad and control panel assembly are probably defective. Touchpad
If the microwave buttons don't work the touchpad might be at fault. Generally speaking, if the dishwasher display is working and some of the buttons respond correctly but some don't, the problem is with the touchpad. User Control and Display Board
If the microwave buttons don't work the user control and display board are most likely defective and will need to be replaced. If some of the buttons work and some don't, it is more likely a touch pad problem and the touch pad will need to be replaced. Main Control Board
If the microwave buttons don't work the main control board is most likely defective and will need to be replaced. If some of the buttons work the touch pad is likely the problem. If none of the buttons work the problem may be in the main control board.
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MINE HAS 3 SWITCHES INSIDE , AS FAIL SAFE.!~!!
SO WE DON'T GLOW IN THE DARK !
THEY MUST BE REPLACED
I'M ON MY 3RD SET NOW, IN 18YEARS.
I KEEP SPARES IN THE READY NOW.
DO NOT TRY TO FOOL THE BUTTONS. OK.
There will be a reset switch button on your microwave's timer or somewhere on the appliance. Try the button and if it doesnt work then call customer care. It seems like a minor problem and can be fixed quickly..
I think you are right on the money, the keypad control board is vital to the operation of the microwave oven, if the problem cannot be resolved it will require a complete replacement of the above mentioned part, unfortuneately cost should be considered.
Many microwave CHILD LOCK features are activated / disabled by repeatedly pressing one of the function buttons or by holding it down for about 5 seconds.
Try pressing the STOP / CANCEL button 3 or 4 times in a row to see if you can the CHILD LOCK off.
If that doesn't work, also try holding down that button down for 5 seconds.
Try these same two procedures on some of the other buttons as well like the TIMER button, or the START button, or the CLOCK button.
Your best bet however would be to include the brand and model number with your question next time and then we will be able to locate the exact instructions for you.
Does the display on your microwave read "Locked"? If so, then the Child Lock feature has been activated. To toggle the lock off, press and hold the Stop/Clear pad for more than 4 seconds. When this feature is active, most buttons are disabled to prevent accidental microwave use.
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