Question about Maytag MMV4205 Microwave Oven

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Maytag microwave overheated.

After an extreme overheating/smoke out of a ceramic dish nad sigle item microwave has no power lights at all. IS there a reset or fuse or way to inspect for irreversble damage?

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Re: Maytag microwave overheated.

There is a fuse that should be easy to get to behind the control panel.  Will need to take the grill off first to get control panel off.  Make sure unit is unplugged first.  There are high voltage parts in a microwave so you should have a professional do the work if you are not comfortable with it.  Would appreciate a solved rating for expert advice.

Posted on Oct 18, 2007

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Smoke coming from under oven

You need a new microwave or you need an appliance repairman. Usually smoke in an electronic product means that there is a short in the wiring or overheating circuit board. If it is still under warranty take it back where you got it.

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I have a Panasonic Genius 1250 watt Mircowave oven & when giving it a chance to cook 2 potatoes at the same time on the side dish sensor option. The whole oven including the outside shell got extremely...

Sometimes when cooking dry foods such as popcorn, potatoes, etc. there can be some reflection back to the magnetron, which will cause overheating.

Try it with about 1/2 cup of water on one corner of the cavity.

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When I go to use the microwave h98 shows up on the screen and does not work it is the 1.6 cubic panosonic microwave with inverter technology

f it is displaying error h98, this generally means that the inverter(power supply Panasonic part number: Z606YM300BP,) is not functioning. The magnetron may also be faulty.
The microwave may also have a faulty magnetron. If you are unsure, then you should get someone to look at the unit for you before you go buying parts.
An inverter microwave oven is one without a high voltage transformer You will know you have one as it is not extremely heavy at one end. This type of microwave uses a high power DC converter, called an inverter, to produce the high voltage and filament voltage required by the magnetron.
If you purchase this item for replacement in your microwave then we recommend that you do this only if you are qualified and aware of the dangers of tampering with electrical equipment.
Failure of the magnetron is common and at times the inverter can fail as well. Sometimes the inverter fails on it's own. If your microwave blows the 10 amp mains input fuse as the cooking cycle starts then you probably need a new inverter. An instruction sheet with basic guidelines on fitting will be provided but please do not purchase this item unless you are confident about fitting it. We only accept returns if the inverter supplied is defective which is extremely unlikely.
If you have one of these ovens that is not cooking then it is worthwhile looking at the magnetron. It often shows signs of distress through overheating.

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Oven overheated power died how to reset

A thermal fuse might be busted. Have it replacedby a qualified technician.

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The fuse blew on my emerson microwave oven and I replaced it. This fuse has now blown. What would be causing this? Thanks....Lee

Usually what happenes is the magnetron is dead, or is dieing. It is using too much power due to overheating, or it is just worn. This is a common thing for older microwaves. take the case back off, and clean the fins on the magnetron this will fix the overheating problem. Be careful. let your microwave sit for about an hour after being plugged in. This lets the capacitors that store dangerous voltages leak off. also make sure the new fuses are ceramic fuses that are rated for 15 amps at 250VAC Do not use glass fuses! You can find a new magnetron on ebay, or on the internet some where. You will need a DAEWOO 2M218H MFI magnetron. I just tore my microwave apart, and realized I have an exact replacement for it. I just swapped them out and they both work. cool. but yeah. that's what is most likely causing it. Good luck!

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wow, from the looks of it you need to unplug wait 60 seconds plug in to restart, ot buy a new microwave. Perhaps if in the microwave terms it didn't say not to do that call the manufacturer and the will replace it for free

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Just cleaning is not enought.The terminal is loose and that isusually the problem most of the time.Replace them with new ones and I think you be happy.

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Did you properly orient the exhaust vent and take out any shipping materials under the exhaust vent? Sounds like the exhaust fan itself may be overheating, smoking up the innards of the microwave and then the smoke is escaping though the hole where the carousel is located.

Either that or someone built the shaft of the carousel rotator out of the wrong material and the microwave is actually trying to cook (or arc) that piece, causing a fire.

Neat stuff!

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