My power went out yesterday while at work. Now all the will display is 88:88. I have tried to reset the breaker and unplug the unit. The light and fan are working for the range below and the light works when I open the door to the microwave but I cannot get the clock to reset or get the power to come on to cook anything.
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This can happen when there is a power failure. Usually there is a PF in the display but you can also get 88:88
Try this first: Press stop / pause or cancel then clock and try and set the time. If at that time you do not get any beeps your control board most likely has a problem. To dig deeper if you wish to have more assistance I need your complete model number to possibly troubleshoot.
It seems that you might need to replace circuit board.
All the above mentioned conditions refers to a faulty circuit board. You might have blown few Ic's.
Take a voltmeter, check the continuity. If you are aware of the Ic's, replace them.
Unless, look for a tech, a used board ( On http;//www.ebay.com ) or purchase a new one.
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Hello, I’ve read through your problem in an attempt to find a solution to my own similar issue with my microwave oven.Other solutions (like unplug appliance overnight and reconnect to power source the next morning) did not work for my appliance. Just as I was about to call it quits and go out to purchase a new microwave; I gave it one last try. This time, instead of pressing any and every single button on the keypad, I decided to press BOTH the "Stop/Clear" AND "Start" buttons AT THE SAME TIME. . . . . Voilà!This worked for me, but sadly, it's now May-2008 and I'm pretty sure you're own microwave is long gone since your posting appears to have been quite some time ago. Well, hopefully others that stumble through these pages with similar issues may find some assistance with my approach.Oh, and btw. . .I got this idea (which worked) from remembering the instructions on how to reset my cellphone.Many thanks,~paul