You have a failed membrane keypad.
Replacement keypads are no longer available for any Sharp R-9H-series microwave ovens.
The oven will have to be replaced.
SOURCE: Microwave touch pad work light doesn't work
We see this a lot. The problem is on the control panel, which we regularly repair nationwide for $39.95 postpaid.
This light failure often occurs when a bulb goes out and the filament shorts, or when the bulbs are removed or installed without first unplugging the oven from the power line. Either can cause such a failure on the controller.
Details of our service and critical safety information and disassembly information is at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk
We're happy to help and we appreciate your thoughtful rating of our answer.
SOURCE: Sharp Carousel Microwave Convection Oven
The
first thing I would suggest is a hard reset. Unplug the unit for a
minute or so. Then plug it back in, set the clock and try again.
If that doesn't work, leave it unplugged for maybe an hour.
Then let us know if the hard reset does not fix it.
You may have a bad keypad.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
SOURCE: SHARP MICROWAVE R-3A37/IS THERE A BYPASS OR RESET BUTTON?
the touch pad is faulty, replace...Phil
SOURCE: key pad not responding SHARP R-9H11
Without being able to put my meter on it. My first guess is that you have a bad board. I would say a high limit but it either works or don't work. It does not come and go. There is not a lot to a microwave. You have door switch's, Mag tub, fuse, fan, transformer, diodes, belt, high limit, pc board and a touch pad. This sounds like a pc board to me. Honestly, if it's not a fuse. Unless it's a high dollar built-in unit, they are not Worth fixing. You can buy a new one cheaper. This is why a lot of service company's don't work on them anymore.
Please rate this solution if helpful.
SOURCE: Kenmore Microwave Hood Combination oven Model Service code (SE) ?
I have Microwave Kenmore model 401.80082700 about more than a year. After about 6 months, it stated to have some probles such as some number keys not working. Then button START become nor working some times. I can use only button of 30 secon increment to cook something. OK, the fan is working for most of the time but the levels are stuck, not adjustable. I can't changer the fan levels. Now the lamp buton is dead. Sometime, the fan level control is working by itself level 1, 2, 3.... then it appears -SE- on the display. nothing work now. I unplug.... then plug back, it ask to input the time or date... I can't do any thing. Later some time I can cook by using 30 secon button.... It is anoying. Please how I can fix it? Thank you.
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