Question about Sharp R-1200 Microwave Oven

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Timer Disply Fuzzy

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.

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Re: Timer Disply Fuzzy

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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power outages cause power surges and will damage electronic control boards. I suggest replacing the Control board and checking the interlocking door switches. Whilst inside the microwave check the magnetron for discoloration around the magnetron horn or gun as it were. If it don't look clean and new, otherwise burnt it's bad !

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Since microwaves act directly on moisture, this should tell you that it isn't causing any leakage from the cavity/cabinet of the unit. If microwaves were passing through the moisture, it would eventually dry out completely I don't believe there is any reason for concern.
Even bad gaskets (seals) around the edge of the door do not cause leakage. Only a mechanically bent door could cause this and it would still be very minor.
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I would replace the door switches and set up the door gap to 1/8" just enough to alow for a little play.
Setting the door square is acheived by slackening the lower door hinge and re tightening it when the door is square.
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If 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.
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.
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you mean it want power up or want work when you press the star buttom?
1. check the fuse if no power.

2. If it doesn't work when closing the door after setting timer it is the micro switch that the metal lach hits when the door close.

3. unpluge the micro wave unscew the scews to the cover of the microwave remove the cover. up front by the door you will see the micro switch maybe (brown,black,white,red/white ) what ever color it is disconet it take it to the hardware store buy a new one and replace it,themreasemble your micro wave.

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I just repaired mine with the same symptoms. I found that the bottom microswitch on the door (there are 3 switches) was faulty. It started as open, when the door closed, the switch closed (good), but when the door was fully closed the switch was open again. I went to Electronic City with the switch in hand, they found me a duplicate that cost me $2.50. BTW - you must take out the door switch assembly, 3 screws plus wires, in order to work on the switch. Also, put the assembly back in so that the door latches close/open the switches correctly. -jk

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I bought my gourmet wave dec.2007. i believed that this microwave would have lasted at least 5 years,now the timer goes down but it is not heating what's put in.cant afford another.what can i do?EM031ESB

Chances are you have a bad door switch or mount.

Door switch or mount trouble is usually caused by slamming the door or by opening the door while it's cooking without hitting the Stop pad or otherwise turning off the timer first.

You or someone you know can see:

We're happy to help you with free advice and we'd appreciate your thoughtful rating of our answer.

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one of the two door switches is bad.sws can be accessed by removing the control panel.switches are mounted on the latch assly.switch is abt $ 5.00 and easy to replace.

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Generally, the most common causes of a failure to heat are:

- bad door switches or door switch mounts
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- 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:

You can usually find helpful exploded view diagrams and order parts by entering your full model number here:

For more help from Emerson ; Get help using your appliance 1-800-898-9020 ; Get help locating a servicer or parts 1-800-695-0098.

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