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Power goes off and on

The power of my microwave just goes off and on by itself, without touching it.

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I have a built-in AEG Microwave code MC166(0E?) My son unfortunately used the microwave as a timer so it was on for 30mins without anything in it. It now won't turn "on"; no light/clock...


What fuse did you change? The fuse on the wiring that leads to the microwave needs to be intact, then the fuse in the Microwave itself needs to be checked. Usually there is a plug where the microwave is plugged in, in the cabinet above the microwave, you can take another small appliance or a power tester to make sure power is available in the outlet where the microwave is plugged in. If the power is on at the outlet then you'll know that it is the microwave itself that has turned itself off for some reason. You can get manuals for these ovens at this website

May 11, 2011 | Microwave Ovens

1 Answer

Microwave will appear to lose power (display goes dark; internal light goes dark) intermittently and inconsistently upon opening the door. Seems to be especially likely when oven has not been touched for a...


You probably have a bad connection either on the control circuit board (which we repair), the line filter board, or one of the thermostats.

At our Web site, we have a video available showing how to remove a typical over the range control panel assembly in under 5 minutes.

There should be a "mini-manual" (tech sheet) hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting, testing, and locating components.

You can find helpful exploded view diagrams and order parts by entering your full model number here.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Nov 20, 2010 | KitchenAid KHMS2056SSS Microwave Oven

1 Answer

Dacor Microwave Touch Screen lite but blank


You can get that repaired for $39.95 in most cases (details here) or order a control / display unit here and replace it yourself for just over a hundred.

Sep 29, 2009 | Dacor DMT2420SS Microwave Oven

1 Answer

Whirlpool Microwave Hood combination Model MH6150XM turned itself on without anyone touching it. The oven and the fan went on. It continued to operate when the microwave door was opened. We unplugged...


Direct spraying of cleaners on the keypad and steam from the cooktop can short the keypad.

Luckily, it dried out. Sometimes it doesn't, and the keypad has to be replaced.

I always recommend that you spray non-ammonia cleaner on a soft cloth (not a paper towel which can scratch) and gently wipe the keypad.

And I always recommend that you use the vent fan when cooking on the stove top to keep heat, steam, and grease out of the controls.

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

Jun 22, 2009 | Microwave Ovens

1 Answer

LG microwave oven


As long as the waveguide itself isn't damaged, you should be able to replace the shield without issue... That shield only prevents food from splashing onto the waveguide itself and is not part of the microwave RF protection... Check your local hardware store for touch up paint.. shouldn't matter what brand as long as it contains rust inhibitors.. Good luck...

Aug 22, 2008 | LG Microwave Ovens

1 Answer

Microwave


Magnatron is suspect. Need to put a voltmeter on the input (primary) side to the high-voltage transformer (big heavy iron thing in there) Should be getting 120Vac when it goes to cook cycle. Don't touch the other (high voltage) side of this transformer. If the power is there, you are looking at replacing the magnatron. Its affordable if you do it yourself - buy the part on EBAY - lookup "universal magnatron"

Jan 01, 2008 | Microwave Ovens

1 Answer

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.

Dec 29, 2007 | Microwave Ovens

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