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Microwave runs slow motion

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When I try to use it runs real slow and hums. Will not heat anything. The exhaust fans also runs

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  #1 (permalink)  
Old 07-18-2012, 02:47 PM
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Default Microwave runs slow motion
Model Number: 721.80039700   Brand: Kenmore   Age: 1 - 5 years   

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When I try to use it runs real slow and hums. Will not heat anything. The exhaust fans also runs real slow . Seems like it is not getting the proper voltage. I plugged it into another outlet and same results. I would appreciate any help to my problem. Thank You Bob

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  #2 (permalink)  
Old 07-18-2012, 05:18 PM
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Hi.

There is the short some where inside. Take the cover off and remove the contacts from the magnetron. Plug in and turn on.
If the humming stops - replace the magnetron.
If not - check the diod, capacitor and transformer. Make sure the capacitor is discharged before doing anything.

Thank you. Post the results.

Simon.
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