Question about Magic Chef Over the Range Microwave. 1.6 cu. ft. in Black MCO165UB

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Magic Chef microwave model#mco165ub not working at all... before I unmount it, is there a fuse that can be replaced?

I have already checked the outlets and the house breaker... all that is fine so its definitely the product. I am not sure but i was told some microwaves have fuses that can be replaced at a low cost. Id like to know if this is available for this model before I take the time to unmount the whole thing from the wall. Also, If there is one, where Its located and how/where to get a replacement.

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Posted on Jan 02, 2017

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MicrowaveSvc
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SOURCE: Replacing the fuse of a MCO160UW

A microwave can be dead for many reasons.

It may be the fuse, which is usually located 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 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 thermostats, if it has a hood fan thermostat, that should read open, as opposed to the others, which should read closed.

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 may 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.

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

Posted on Jul 19, 2008

MicrowaveSvc
  • 9047 Answers

SOURCE: I was making popcorn and the microwave just died

Since it's less than one year old, it would be fully covered under warranty. I'd suggest contacting the manufacturer to get it fixed free.

For more help from Magic Chef / Ewave see here or their contact page.

For Magic Chef in Canada call 866.587.2002

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

Posted on Jun 08, 2009

dmftrucker
  • 1922 Answers

SOURCE: My microwave keeps blowing the fuse upon hitting the start button

you have one of three problems (H.V. diode shorted or leaky, H.V.capicitor shorted, or the magnrtron tube is beginning to draw excessive current)if thats the case its not usually worth spending that for the mag.,the other two items aren't that expensive

Posted on Jul 27, 2009

dmftrucker
  • 1922 Answers

SOURCE: Microwave won't Work

sounds like a fuse for starters, remove outer cover there will be a white cartridge appx 1"longX1/8"dia this is a ceramic fuse avail at most hardware stores in 15 or 20 amp configurations, if this blows again after repl suspect a faulty H.V. Diode/H.V. Capacitor, or the magnetron tube unless while inside unit you see something obviously wrong 2 fuses are under $5.00

Posted on Sep 27, 2009

Testimonial: "Thanks for the help! I'll try it and let you know."

localwonder
  • 6784 Answers

SOURCE: I have a Magic Chef microwave model mco153sf. The

HI. This is , indeed, an issue within the touch pad circuitry. it is damage, and will require replacement. I have located a replacement touch pad. Use the link below to access the touch pad. You can order the pad on-line, by clicking the link below.

CLICK HERE

Posted on Dec 23, 2009

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