Question about Sharp R-753 900 Watts Convection / Microwave Oven

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When you open the microwave, the display lights up but no characters are displayed. How do I get the display back to its original setting?

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  • 9,047 Answers

This can usually be repaired for $39.95 nationwide. We have good results with these.

At
our Web site, we have a video available 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 Sep 05, 2010

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Posted on Jan 02, 2017

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Magic chef MCD1611ST microwave, the display lights up, the time and powerlevel can be set, the light works when the door is open but when i hit start everything shuts off. Any suggestions?


There are a lot of possible causes, but I'd look at the door switches first, and the wiring connectors to them. Make sure the contacts on all the switches are opening and closing.

Nov 19, 2016 | Magic Chef MCD1611ST Microwave Oven

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Microwave will not run a cook cycle. Touchpad functions until door is opened or start button is pressed. When door is opened display goes dark. When door shuts display lights all characters and then says...


BEFORE DOING ANYTHING DISCONNECT OVEN FROM POWER. I do NOT recommend doing repair by yourself, if you NOT are really very familiar with electric repair, or have at least basic training in electric device repair and maintenance.
"When door is opened display goes dark. When door shuts display lights all characters and then says "touch clock"."
Obviously, by opening door, oven gets disconnected form power line.
This is mostly caused by loose connections on wiring socket, and can be anywhere inside. Check security micro switch on door latch. This switch normally disables only running the oven when door is open, for security reasons. In your case, it seems that opening door disconnects oven from input power. Sometimes the switch is loose, or wires are not firmly pushed in the socket. If the power line wiring is loose, and by opening door looses contact with socket, it can touch metal housing inside, cause short, electric shock, serious even mortal injury and fire. This is dangerous high voltage switch, and to access it one must open oven from the back and take off the cover. I do not recommend doing it by your self.
Rem: Replacement micro switch is couple dollars.

Oct 24, 2014 | Microwave Ovens

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Model 85610 shut off and won't turn back on


  • Magnetron failure
  • Door interlock failure
  • Control board failure
  • Internal fuse failure

Jul 22, 2017 | Kenmore Microwave Ovens

1 Answer

My microwave doesn't work, but display works


I would strongly consider replacing the microwave oven, prices have dropped considerably. The problem you are describing is in the keypad controller board.

Apr 01, 2012 | Samsung Microwave Ovens

1 Answer

Microwave not working


Sadly, we hear of this over and over.

This is due to a defective or loose magnetron causing electrical interference and disruption in the control circuit board.

If your magnetron was recently replaced, it may have loose mounting nuts or bolts or maybe the wire mesh RF gasket was not installed or got pinched.

It may also need a new high-voltage diode and stirrer, and the cavity may be affected.

Details are in their bulletin here. Even if your model is not on the list, the same problem can occur, requiring a kit.

If it's within the magnetron portion of the warranty (usually 5-9 years) but out of the original full warranty (usually 1 year), then your manufacturer will cover the part cost, but not the cost to visit you or the labor charge to do the work.

They may send you a replacement magnetron. GE Customer Service is here.

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

Nov 25, 2008 | Microwave Ovens

1 Answer

Microwave


Prototech@usa.com has links all over the internet advertising a simple fix for microwave displays. I ordered one and they never sent it. Had to file a claim with Paypal. No communication until I threatened them, then they said it's on its way. I waited another week and it sitll didn't come. After six weeks of trying to get my money back, I finally got a refund. Now I have to start all over. Any suggestions for replacing a display BESIDES this sham operation?

Aug 06, 2008 | Dacor DMT2420SS Microwave Oven

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Sharp R510AK Carousel Microwave


Very common problem with the display. It may or may not eventually light back up on it's own.

I would suggest contacting www.microwavedisplay.com. Lots of info and the best deal going for repairing the display.

Jul 03, 2008 | Sharp R-510HW Microwave Oven

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Power cuts out after about 5 seconds


Hi try unplugging form mains for an hour this will reset any settings back to factory settings let me know what happens after doing this then i can assist you further ok

Mar 19, 2008 | GE Spacemaker JVM1640SJ Microwave Oven

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GE Profile Advantium Wall Oven 240 volts 950 Watts


How long does it run before it fails? Does it look like the display is getting scrambled characters? I'm leaning toward a bad magnetron, but it may be more or less than that. If you can give more details and especially the actual full model number (as opposed to the model name Advantium 120) that would help. Thanks!

Oct 02, 2007 | GE Advantium 120 Convection/Microwave Oven

1 Answer

Sharp R-1611 panel display, lights & touch pad not working


This is a problem with the control panel assembly, which we repair nationwide for $39.95. You can find full details on our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk

Aug 11, 2007 | Sharp R-1610 Microwave Oven

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