Question about Sharp R-963 Convection/Microwave Oven

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20 amp fuse keeps going dead yearly - Sharp R-963 Convection/Microwave Oven

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Hi,
There are a number of things such as low voltage in your area or too small of wiring to the microwave that could be causing that...
To find out the problem the power would need to be closely monitored for a long period of time...

heatman101

Posted on Oct 13, 2010

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If it went dead almost immediately after pressing the Start pad, that\'s usually a shorted high-voltage capacitor.



If it went dead a few seconds after pressing the Start pad, that\'s usually a failing high-voltage transformer.



Here are some links with info on part testing:



http://www.microtechfactoryservice.com/cap_test.html
http://www.microtechfactoryservice.com/diode.html
http://www.microtechfactoryservice.com/mag_test.html
http://www.microtechfactoryservice.com/xformer.html




You can usually find helpful exploded view diagrams and order parts by
entering your full model number here: http://tinyurl.com/gv383



Please write back with your brand and model number if you need further help.



We\'re happy to help and we appreciate your thoughtful rating of our answer.

Jan 03, 2008 | Microwave Ovens

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