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NOT HEATING UNIT = TLAB-8033MRRO - Sharp Microwave Ovens

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Buy new one. or it must be that doorlock is damaged preventing from starting. Still nasty job.

Posted on Apr 17, 2009


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Oven works fine but microwave suddenly not heating anything. Have turned on and off at plug. Suggestions please?

If the unit has stooped heating, odds are the magnetron inside the unit has failed. This is the part that makes the RF microwaves that does the heating. They only last for so long, You aren't saying how old the unit is or how much you use it, but if it is an older model, or you use it heavily, or if it was ever subjected to a major arcing incident (metal in the unit), any of these can bring the unit to its demise.

Seeing as microwave ovens, depending upon you desires, can cost as little as $50.00 US, and can run upwards of $500.00 US or more for deluxe built-ins, you may just want to consider a new one.

Feb 14, 2016 | Microwave Ovens

1 Answer

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

1 Answer

Microwave is heating but the fan is not blowing

just replace the shaded pole motor with any other shaded pole motor that you can put in.. new or used

Nov 27, 2013 | Samsung 1.8 Cu. Ft. Over-the-Range...

2 Answers

Electrolux microwave buzzes and food doesn't heat up

If the unit operates correctly except heating the food, then the unit needs a new magnetron.

Aug 29, 2012 | Electrolux EI30BM55H Microwave Oven

1 Answer

Microwave not heating food

HI>if the problem of your oven is the heating then the problem would be on the heating filament that is MAGNETRON.It is a filament that is responsible in heating the oven.It is actually a square shape-type accesorry that can be found inside the oven's circuit.If this accessory is defective it would defer the unit from heating.Thank you for choosing FIXYA.

Jul 23, 2011 | DeLonghi Microwave Ovens

1 Answer

The turn table stopped turning and the unit stopped heating.

the turn table stopped and the unit stopped heating.What should I do?

May 30, 2011 | Goldstar MV-1501 Microwave Oven

1 Answer

GE spacesaver xl1800 microwave. Unit comes on, but no heating

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

Microwave Oven Basic Troubleshooting Tips



Jun 06, 2010 | GE Spacemaker JVM1640SJ Microwave Oven

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No heating

Sounds like the magnetron has failed. This is the component that produces the microwaves that heats the food.

The cost of the magnetron is about 95% of the cost of a microwave oven. Most people don't, for this reason, replace the magnetron, they replace the whole oven which is probably what you will end up doing.

There is a possibility that the circuit that provides power to the magnetron is faulty and you need to take it apart, find the proper electrical leads and test them with a volt meter. To do this you have to remove it from its mounting and take it apart. It is a fairly lengthy process however.


May 26, 2009 | Kenmore Microwave Ovens

1 Answer

Humming and sparking inside the microwave

Sounds like you have metal inside oven, and arching can happen if nothing is in there to absorb energy.

Mar 15, 2009 | Microwave Ovens

1 Answer

Not heating

If the maggie went it's very plasible that it took out the Cap and/or HV diode with it.

Nov 21, 2007 | GE JEB1095 Convection/Microwave Oven

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