Question about Microwave Ovens
When you press the Start pad to begin microwaving:
- does the fuse blow immediately or almost immediately?
That would be a shorted high voltage capacitor.
- does the fuse blow a few or several seconds later?
That would probably be a shorting high voltage transformer, or possibly the magnetron.
Here are some links you or someone you know can use for test help, but read their safety warnings first:
You can order parts from Encompass here or you can call them toll-free at 866-779-5835.
We have the service manual, so let us know if you need more help.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Aug 01, 2009
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Posted on Jan 02, 2017
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There is a fuse located behind the control panel.
If that is good, or replacing it does not fix it, you may have a problem with the control panel, which we repair nationwide for $39.95.
We have *critical* safety, disassembly, and troubleshooting info (as well as a text file which helps in diagnosing and repairing door switch problems) at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk
You can find helpful exploded view diagrams and order parts by entering your model number here: http://tinyurl.com/gv383
Oct 12, 2007 | Sharp R-1870 Convection/Microwave Oven
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