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Model MH6110XEB-1 When in use it made a poping noise. Now won`t work. No lights or anything on keypad. It does have power to it, No tripped breaker. Help

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  • Microwave Ovens Master
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It may be the fuse, which is usually located behind the grille, on the floor of the oven behind the control panel, between the door switches, or on a filter board near where the cord comes into the unit.

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

If it goes dead for a while during or after cooking then comes back on, the magnetron is probably overheating and causing the magnetron thermostat to open.

Then when it cools, it closes the circuit and allows power through again.

When checking TCOs or thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

So don't let that fool you.

If the cavity thermostat needs to be checked or replaced you'll need to pull the oven from the wall.

If so, the installation instructions are very handy, and it's best to have two people since the microwave can be heavy and awkward.

You can download Whirlpool owner's manuals and installation instructions here.

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 goes dead or blows the breaker (or GFI) when you plug it in or open or close 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.

There should also be a "mini-manual" hidden inside the unit behind the control panel or hidden on the left side behind the grille, which is very helpful when troubleshooting & testing.

If you don't find yours, or if you want to look at it without disassembling the oven, you can download it here.

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.

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

Posted on Dec 25, 2008

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1 Answer

I have a panasonic model nn-sd277 microwave. I changed the fuse and now it has power again. The fan and light all work. It trips my breaker and sometimes blows the fuse when you try to heat anything.


time to take it to an appliance repair shop for a quote
it is blowing fuses and tripping breakers because it has a serious short in the electrics

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Wont work or come on


Debbie,
If nothing is coming on with no lights or anything you probably have a blown fuse. Unplug your microwave and turn it around and remove the screws holding cover on and then remove the cover. Look for where the power cord goes into the back of the unit and follow the black wire from the cord to where it ends. It should stop an either a circuit board or a fuse holder. Make sure that you replace the fuse with the same amperage fuse as what you take out. You will find the amp rating stamped on one of the silver collars on each end of the fuse. Good luck!

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The magnetron has probably shorted, and in rare cases the power transformer will fail, "but unlikely"

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I have Whirlpool Microwave oven Model MH6110XEB-0 that has completely loss power. The outlet it is plug itno is still good with power running thru the outlet. I do not have any manuals for the microwave,...


with any luck you have just poped the inline fuse,
if you remove the control board you should be able to see the tube fuse up by the fan motor
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These remarks are not make and model specific.

Did you test the new light bulb?

I would not normally expect a burned out light to trip a breaker.

You may have a blown fuse. I suspect the fuse you see is to protect the oven. If you popped a breaker, you may have blown a fuse. I'd be looking for a short somewhere, maybe in the wire that powers the light, maybe in the hardwire that supplies the oven.

Make sure you turn the power off before you go poking around. And, above all, avoid the silver can inside, it IS lethal.

Let me know if this helps.

A

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There is an internal fuse. The cause for it blowing will have to be determined.
eric

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Frigidaire Micro made an odd noise and now it does not work!


Probably due to a loose screw or clip connection where the wires connect to the outlet's terminals.

These must be tight, especially for high-current loads like microwave ovens.

Loose connections can lead to serious or dangerous overheating.

I would say the reason the microwave made it blow was that the microwave's outlet is probably fed by (daisy-chained with) the outlet that blew.

If so, this is not really a good idea.

A high-current load (microwave, freezer, fridge, etc.) should ideally be on its own breaker / fuse with no other items on the same power line.

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

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