Question about Sharp R-1874 Convection/Microwave Oven
On light on display, fuss is good
Are you saying it's dead, with no display and no inside light when you open the door? And the fuse is good?
If so, you may have a bad magnetron temperature fuse. This device looks similar to the attached photo and is located near where the magnetron mounts.
You can usually find exploded views entering your model number at the Sears parts site.
The best place to order Sharp parts is Tritronics.
If you or someone you know decide to look into it, we have critical safety information and disassembly information at our site, and our link is at our listing here on FixYa.
At our site, we have a video showing how to remove a typical over the range control panel assembly in under 5 minutes.
We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.
Posted on Nov 01, 2008
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Posted on Jan 02, 2017
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The most likely sources of the funny sound would be the high-voltage diode, transformer or the magnetron.
It's possible that the high-voltage capacitor shorted and blew the fuse.
It will take some troubleshooting.
At our site, we have critical safety information, and disassembly information.
See our listing here on FixYa: http://tinyurl.com/yzjozk
Oct 20, 2007 | Sharp R-1850A Convection/Microwave Oven
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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