Question about Sharp R-340 Microwave Oven
The fuse blew on my Sharp R-5A54B. I replaced it and it blew again. The sticker next to the fuse says that when replacing a fuse you should also replace the monitor switch. Can someone tell me which of the three switches this is?
The monitor switch is the middle switch. It is manufactured by omron and is a common type cherry switch. The omron part # is V-16G-2C25. The switch is a bottom type common terminal position with the contact form being a SPST-NC. Test the switch first with an OHM meter. Open the microwave door and you should have continuity between the two terminals. close the door and the continuity should be gone. P.S. The fuse may be purchased at any radio shack for about $3.00 pack of 4. their cataloge # is 270-1040 GOOD LUCK!!!!!!!!!!!
Posted on May 29, 2011
It's usually the one in the center, as opposed to the being near the top or bottom edge of the door.
The entire service manual is available for free download on the Sears parts site (page by page) at http://www3.sears.com/ (the 3 is correct)
Just look for the switch as ref # 1-7 on this diagram:
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Posted on Dec 31, 2007
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