Question about Sharp R-1200 Microwave Oven
This is around 3 years old and the timer disply on door is fuzzy, I believe this is a LCD. Will power outages cause this? How can I remove the door to have this service? Or is there a fix for this problem? I tried unplugging to reset and nothing, just seems to be getting worse.
In my professional opinion, power outages can kick a failing or weak unit over the edge, so to speak, but the primary causes of these display failures are the design and manufacturing techniques. We regularly remedy and repair these very units nationwide for $32.50, and our proprietary fixes make them better than new in my opinion, with the aim of not only fixing the problem, but preventing them from recurring. When we repair them, we have folks send us the outer door panel with built-in keypad & display assembly, the power board, and the connecting cable. Thay way we can power and test the unit as an assembly. It's better to separate the door panels instead of removing the door. I have attached a drawing to show how. If you remove the door instead of just taking off the outer panel, the microwave will have to be tested for microwave leakage, which can occur if you haven't reassembled the door with all the hardware in the exact same position as it was. So rest assured this can be economically fixed.
Posted on Nov 11, 2006
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your appliance has absolutely no functions at all, remove it from the
mains supply, remove the case and see where the mains lead goes in to
the appliance and follow the cable until you find the main fuse.
ONLY USE THE SAME TYPE AND RATING OF FUSE TO REPLACE IT.
The usual cause of this fuse failure is the door switches are contaminated or sticking. Check the door switches before putting power back on to the appliance.
Hope this helps.
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Generally, the most common causes of a failure to heat are:
- bad door switches or door switch mounts
- loose connection at the magnetron
- problem or loose conneciton on the control unit circuit board
- bad magnetron or other high voltage part
If you or a friend decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and
disassembly information at our site, linked here on Fixya: http://tinyurl.com/yzjozk
You can usually find helpful exploded view diagrams and order parts by entering your full model number here: http://tinyurl.com/gv383
For more help from Emerson http://www.emersonradio.com ; Get help using your appliance 1-800-898-9020 ; Get help locating a servicer or parts 1-800-695-0098.
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