Question about Sharp Microwave Ovens

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Sharp Carousel Over the Range Microwave R-1470 Quite working...has power and control panel works, timer will count down but microwave won't run.

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  • Anonymous Mar 19, 2014

    Control panel does not work

  • Anonymous Mar 28, 2014

    This wonderful old microwave stopped working all of a sudden. The control panel works -- that is, the timer counts down, the lights work, but the motor does not come. However, when I slightly lifted the door while the timer was counting down, the motor did engage briefly leading me to believe the problem, is in the switch that is engaged when the door closes.

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  • Sharp Master
  • 9,030 Answers

When you hit Start, does the oven lamp come on but not the fan or turntable?

That would be a problem with the secondary (bottom) door interlock switch or its mount.

This is usually caused by either a bad door switch, a loose door switch mount, or occasionally a problem on the control panel.

Even though a door switch clicks, it may still be bad inside. Its continuity must be checked.

Door switch or mount trouble can be 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.

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.

If you or someone you know decide to look into it, we have critical information on safety, disassembly and door switches at our site, and our link is at our listing here on FixYa:.

You can probably find exploded views and order parts by entering your model number here at the Sears parts site.

The best place to order Sharp parts is Tritronics.

If you think the problem is on the control panel, we repair these nationwide by mail for $39.95 postpaid in most cases.

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

Posted on Aug 21, 2008

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Posted on Jan 02, 2017

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Not sure what the question is.. But if it is how to start the clock in a COUNT DOWN mode, then:

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Unit will beep at the end the count down.
===========================================

Kindly,

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