Question about Maytag MMV1153A Microwave Oven

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Daewoo w/concave reflex system

Microwave will not heat food. Everything comes on but it will not heat. Possible capacitor failure?

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  • Anonymous Mar 26, 2014

    Everything works except heating food.

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FIRST YOU CAN CHECK THE HIGH VOLTAGE AND HIGH VOLTAGE FUSE (IF THERE) and high voltage diode, capacitor, wiring of magnetron , finally high voltage is there may be magnetron, and check the filament wiring...

Posted on Sep 24, 2007

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1 Answer

It is a Daewoo MicrowaveThe microwave does not heat up the food! It is only about 18 months.Tried to to re_set but nothing happens as the food remains frozen or cold!Anybody has any suggestions?


There are three parts that could be bad. One is a high voltage diode, another is a capacitor and the third is the magnetron itself. If you are not familiar with these terms, it is time for a new microwave oven.

Oct 21, 2016 | Daewoo Microwave Ovens

2 Answers

Micro wave won't heat


Typical to magnetron failure. If you are not a qualified microwave technician, don't mess with it, take it to a service. Part is quite expensive so ask them for cost of repair before decicing if worth repair of buy new microwave

Jul 03, 2016 | Kenmore Microwave Ovens

1 Answer

Sanyo EM-SL40S microwave everything seems to be working fine but food doesn't get hot?


see this causes and fix it. GOD BLESS YOU
Power Diode

A diode is an electronic component that readily passes current in one direction only and blocks the flow of current in the opposing direction. If your microwave's diode has become defective, your microwave will not heat and you will hear a buzzing noise. Test the diode to determine if this is the cause of your problem. Replace it if it is defective.


High Voltage Capacitor

A capacitor is an electrical device which stores electricity. A defective capacitor may be why your microwave is not heating but you are hearing a buzzing or humming noise. The capacitor will have to be tested to determine if this is the cause of your problem. A defective capacitor will have to be replaced before your microwave will work again. Make sure you discharge the capacitor before you test it, though.


Magnetron

A defective magnetron is the third possible cause of why your microwave is not heating, but you can hear a buzzing noise. Test your microwave's magnetron. Replace it if it is defective.


Thermoprotector If the microwave doesn't heat the thermoprotector may have tripped. This is a safety device to prevent the microwave from overheating. It can be tested for continuity to see if it's blown.

Main Control Board If the microwave doesn't heat the main control board may be defective. This is not common. When a microwave doesn't heat the problem is usually within the high voltage circuit; either the high voltage capacitor, diode, transformer or magnetron.
High Voltage Transformer If the microwave does not heat, the high voltage transformer might be burned out. Microwave ovens produce a very high voltage in order to power the magnetron antenna, which emits the energy that cooks the food.
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Oct 01, 2012 | Microwave Ovens

1 Answer

Daewoo koc-873tsl has stopped heating food


There are three common issues, magnetron, high voltage diode, "sometimes cracks" shorted high voltage capacitor.

Mar 25, 2012 | Daewoo Microwave Ovens

1 Answer

My microwave has stopped heating


There are three common causes, magnetron "heats food" cracked high voltage diode, or a shorted high voltage capacitor.

Mar 10, 2012 | Daewoo Microwave Ovens

1 Answer

GE microwave model JVM1750DM does everything except heat food. Worked this morning fine.


Chances are the magnetron has failed, "heats food" the other possibility is the high voltage capacitor and diode. Repairs will approach the cost of a new microwave oven.

Apr 19, 2011 | GE JVM1750DM Microwave Oven

1 Answer

My smeg microwave will not heat the food ...... possible causes


If everything else is working but it won't heat the food, the causes are the magnetron "common failure" or the high voltage capacitor and diode can be a factor, the three work together to heat the food. Depending on the nature of repair it can be close to the cost of a new microwave oven.

Feb 27, 2011 | Smeg FME24X Microwave Oven

1 Answer

Daewoo koc-985t bi - Not heating food equally. ie. middle of food cold. Sometimes food takes double the time to warm.


Hi,


Here is a tip that will help you to figure out what is wrong with your Microwave Oven....

Basic
Microwave Oven Troubleshooting Tips

heatman101


'--------------------

Jan 18, 2011 | Daewoo KOC-925T Microwave Oven

1 Answer

Daewoo over the range microwave model KOT-21OUB just stopped working for no apparent reason. Lights and fans still work. Not heating food. Worked for one dish then the next nothing.


how old is the machine, microwave ovens have a tendancy to do the ridiculous for no possible reason. a check of the main power fuse within the unit might help. it is a large fuse 10A> that supplies the transformers

Feb 17, 2009 | Daewoo KOR-630A Microwave Oven

2 Answers

Everything works except heat


Sounds like you've had a failure in the microwave portion of the unit.

Microwave not heating problems when the timer/controller board appears to function properly, are related to the following components -

1) Diode
2) Capacitor
3) Transformer
4) Magnetron

Jan 24, 2009 | GE JE1540 Microwave Oven

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