Question about Sharp R-530BS Microwave Oven

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Will not operate. Does have power as the clock works.

Started by to keep running once you have finished and closed the door. Now it will not do anything! Clock is working. Have no patrs manuel.

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  • Sharp Master
  • 9,047 Answers

This is usually caused by either a bad door switch or a loose door switch mount, which are pretty simple problems to fix.

Even though a door switch clicks, it may still be bad inside.

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 first.

There are plastic mounts inside the microwave which hold the door switches and onto which the door latches lock when you close the door.

The screws on these mounts may be loose. If they get too loose, the switches will not be activated properly.

Sometimes it's a broken tab on the switch holder, allowing the switch to rotate just out of position. This tab can be hard to see, since it is under the bottom edge of the switch.

Will not operate. Does have power as the clock wor - 2bc79ba.jpg

If the switch mount is broken, it's usually more economical and safer to add a dab or two of hot glue to the mount to secure the switch. Let it cool for about 30 minutes before using.

One test that sometimes helps is to gently lift up (and/or push down) on the door or handle as you try to start it. If it works or tries to work, then it's a door switch mount or door alignment issue.

Since this is posted under R-530BS, I'll assume that's your model number.

We have the service / repair manual for this model and have uploaded it to our site here for free download to help you.

If that's not your model, feel free to contact me directly with your model number.

If you only need a switch, you can order a universal type here for $5 postpaid.

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

William E. Miller, AS-EET
prototech@usa.net
http://www.microwavedisplay.com
Microwave Oven Control Panel Repair Nationwide

Posted on May 30, 2010

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I would first check to see if the oven is heating when it should not be.

You can place a cup of water in the oven, close the door, and let it set for about 30 seconds. (No longer or it may be damaged from overheating).

If it is, then I would suspect door switch trouble (see this text file) or an issue on the control circuit board, which we regularly repair with our $39.95 repair service.

For more information on door switches, see these help files:
http://031d26d.namesecurehost.com/mwd/safety.txt
http://031d26d.namesecurehost.com/mwd/disassembly.txt
http://031d26d.namesecurehost.com/mwd/doorsw.txt


Once you've checked it out, if you need further help, feel free to contact us here.

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 your door interlock switches is defective . I would suggest having it repaired by a qualified repair tech in your area.

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