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Kitchen aid khhc2090swh microwave No Power

Hi, out of no where, my micro has no power...power is good to the outlet(also checked it with other outlets).Did a little reading and see there is a fuse, but not sure where to start dismantling???(already have it down).Also, if it is the fuse, what may be the underlying problem...don't want to keep replacing $15 fuses....Where do I start??? Thanks in advance for all your help!!

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

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MicrowaveSvc
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SOURCE: possible power surge?

Sounds like you got a surge which damaged the control panel. This is the most likely thing. We regularly repair these control panels nationwide for $32.50. A fuse is designed protect against excessive current. But if you have excessive voltage (a surge or spike), it can be so fast that it gets past the fuse and damages the control panel without actually blowing it. While the panel does have surge protection to keep that surge from actually destroying the control panel, the panel is damaged and will have to be repaired. If any power line connections were broken or are suspect, I hope you have contacted the power company. Either way, I would test any affected outlets to be sure the neutral and ground are present so the voltage output is within the proper range.

Posted on Nov 16, 2006

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MicrowaveSvc
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SOURCE: Sharp Microwave Model R-1830: No power

A microwave can be dead for many reasons.

It may be the fuse, which is usually located behind the grille or on the floor of the oven behind the control panel or between the door switches.

If the fuse is good, it may be an open oven thermal cutout (TCO) on the top of the oven cavity / body or an open thermal fuse on or above the magnetron.

These should read closed (virtually zero) on a continuity check.

If it went dead almost immediately after pressing the Start pad, that's usually a shorted high-voltage capacitor.

If it went dead a few seconds after pressing the Start pad, that's usually a failing high-voltage transformer.

If it went dead or when you plugged it in or opened or closed the door, then there's a problem with a door switch or door switch mount.

If it's intermittent or random, it may be a bad connection, usually on the control board or a loose fuse holder, or even an intermittent fuse.

You should do a continuity test on the fuse while it's in the holder (with the microwave unplugged, of course) then turn the fuse by hand or take it out and put it back in, then test it again.

If you remove the fuse, then press the meter leads against the ends, it can allow internal contact to be made and make a bad fuse appear to be good.

If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.

You can usually find exploded views and order parts by entering your model number here at the Sears parts site but the best place to order Sharp parts is Tritronics.

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

Posted on Oct 13, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: I have a Maytag mmv5207aas

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.

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.

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

It may be the fuse, or the magnetron thermostat (thermal cutout ./ TCO) or the oven cavity thermostat.

The first two can be accessed via the control panel opening, but if you need to check or replace the oven cavity thermostat, you will need to remove the oven form the wall.

Removing it from the wall is ideally a 2-person job and you should have your installation instructions handy. If not, you should be able to find it here.

Be sure to unplug the oven before you begin.

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

Posted on Dec 15, 2008

  • 4088 Answers

SOURCE: HOW TO REPLACE BLOWN FUSE

Look for a reset button on the back--push to reset. If trips again, unit has probable short.

Posted on Jul 12, 2009

  • 4090 Answers

SOURCE: Microwave LG LMV1630 st is totally dead after power outage

yes it s a large ceramic fuse and you have to remove the outer cover to access this. it will be on the top of the M/wave frame either front L or front right. Cost is about $40.00

Please rate our help to keep the sevice online

Posted on Aug 20, 2009

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