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Emerson mw8991sb is not heating up

My microwave start, light on, fans on, but it is not heating food up

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  • cornbread911 Jan 24, 2009

    microwave appears to be working. thlights are working, it sounds like it's working, but nothing gets warm. it did this after only 6 months of use.

  • cendejasjr Jan 25, 2009

    when we try to warm something the lights and time show, but its not heating up the food and no sound is heard.

  • Anonymous Jan 31, 2009

    clock turns on and counts down nothing else works

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Test the high voltage capacitor,the rectifier diode.or the magnetron. If all this are fine, test the control board.

The diode and capacitors can br tested. The capacitor must be alloweddischarge before testing, or you risk to get electrocuted, even ifpower is off. Capacitors can get discharged by shorting their twocontacts.
Before replacing the magnetron test also the control board.
Replace the magnetron if the checks and all of the high voltage component tests are good, but the unit still does not heat.



All locations, and description of this parts can be located using the diagram here: Counter top.

Parts must be tested to find out what is wrong.

Remember that microwaves are potentially dangerous devices if not repaired properly, the job must be done by a competent person.
A microwave energy leakage test must always be performed when the oven is serviced for any reason.

Regarding parts, contact the seller here to purchase parts. (here in UK).

Posted on Apr 27, 2009

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heatman101


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Hi

Thanks for using FixYa. You can view/download the manual for your Emerson MW8991SB Microwave from this link--

Emerson MW8991SB Microwave Manual

Please do rate the solution and revert for further assistance.

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