Question about Emerson Black Microwave Oven

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Will not heat the food.

I have been in my new home for 8 years. My microwave last me no maor that 21/2 years. It is not the fuse. I have moved the microwave in 3 different spot. I dont want to buy another new one for the same thing to happen. My friend have a microwave that has last her 18 years. please help.

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I it is due to the defective magnetron in the oven. You need to replace the part.

Posted on May 26, 2009

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I was heating my tea and I heard a loud pop and the unit turned off...I thought I had blown a fuse and went out and checked fuse box..flipped all fuses and microwave still not turning on at all...micorwave...


The description you provide indicates the magnetron has failed, "heats food" and blown the main fuse in the microwave oven, since the unit is 10 years old it is much cheaper to replace with a new one rather than have it repaired.

May 15, 2011 | Amana Radarange Microwave Oven

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Microwave not heating up


If the microwave is not heating check magnetron connections, probably you will need to replace the magnetron.

Sep 06, 2008 | Microwave Ovens

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Very loud motor sound - smells like something is burning... and it doesn't heat at all


The magnetron in the microwave has failed, "heats food" and some cases gives off an odor that stands out. To repair the oven will approach the price of a new one

May 15, 2011 | LG LMV1680 Microwave Oven

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The electrical outlet is on. The microwave is completly dark. It's 16 years old. What should i do? Fix it or buy a new one.


After 16 years, I should think you had your money's worth from this machine.
There are a few arguments for fixing it, if it's repairable, but a new one will be more powerful while being more efficient too. (use less electric)
Less radiation leakage too.. (pacemaker exposure?)

Perhaps you should first try shopping around to see if you find one that you like, and that fits in the space you have for it, etc. If you buy a new one, get a good one. Don't go cheap.
If one seems to make good sense to you, then buy it. If nothing looks good to you then find a repair shop to take old one to.

Why would you keep old one? Well first of all, they don't make them like they used to. Lot of new ones are noisy and rattle a lot. Don't last nearly as long. Many new ones have problems early.

Old ones are lower power, which is slower, BUT food heats more evenly because of it. Less prone to exploding food.

Feb 28, 2011 | Whirlpool MH7135XE Microwave Oven

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Cuisinart Microwave won't heat food


open the casing and replace the blown fuse.there are several so check them all. probably why the machine was in the auction

Feb 05, 2009 | Cuisinart CWM-100 Microwave Oven

1 Answer

Chefmate microwave will not heat up anything


A microwave not heating up is caused by one or more of the following -

1) Failed controller board (unlikely if you are getting a clock readout and you can get the various functions to work, just no heat)
2) Failed door switch
3) Failed thermal fuse, when used
4) Blown power fuse that is dedicated to the microwave circuit
5) Bad diode
6) Bad capacitor
7) Bad magnetron
8) Bad transformer

Door switches insure the microwave circuit will not engage when the door is open. Slamming the door of the microwave is hard on the switch.

The thermal due is wired into the microwave harness, and is a melting allow type, based on heat buildup within the oven. Always replace with a fuse of the same thermal rating.

The power fuse is a special type and should only be replaced with that same type and rating. It is easily tested.

The diode is a relatively inexpensive part, and is not easily tested. If a grumble is heard coming from electrical area of the unit, then the diode could be shorted.

A shorted capacitor will blow the fuse immediately. And open capacitor will cause a "no heat" condition.

A bad magnetron will also cause a low level hum or grumble from the transformer. But is may also cause no other identifiable symptom of failure.

A bad transformer will exhibit a grumble or hum, and may or may not blow the fuse. But be careful here, the secondary of the transformer produces very high voltages, up to 2.5Kv. Few people own a meter capable of measuring such voltages.

Service and repair of microwave ovens is dangerous work. If you don't know what your doing, DO NOT ATTEMPT TO SERVICE A UNIT WITHOUT INSTRUCTION.

Feb 04, 2009 | GE Spacemaker JVM1640SJ Microwave Oven

1 Answer

Microwave not heating up food


This model is a lower-end type that probably didn't cost very much. Since it's over 2 years old, you have no warranty left. Most appliance repair shops charge extra $$ for servicing installed items in the home. You'd probably be better off purchasing a new comparable model. The labor fee alone might equal what you paid for it.

Jan 08, 2009 | Magic Chef Microwave Ovens

1 Answer

My Sharp R-340D microwave works perfectly but Does NOT HEAT FOOD


Hi,
Here is a tip that will help you to figure out what is wrong with yourMicrowave Oven....

Microwave Oven Basic Troubleshooting Tips

heatman101

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Sep 22, 2008 | Sharp R-1610 Microwave Oven

1 Answer

Microwave arced, wont heat now


I'm assuming that it doesn't microwave either. If it does...then the heater is bad. Sears parts sells them. Second guess is a blown fuse or thermosensor. Inside the pad housing, locate the internal fuse and replace it if blown. The thermosensor is a black plastic bit about the diameter of a dime and 3/8 inch thick and clamped to the side of the unit inside the control area. Test it for continuity and replace if open. If not either of these, then you have power supply issues or control panel problems. My bet: the heater blew out. Often, this is caused when you heat greasy foods.

Dec 16, 2007 | Kenmore 69642 Microwave Oven

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