Question about Microwave Ovens

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This is usually caused by either a bad door switch, a loose door switch mount (which are pretty simple problems to fix) 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 usually 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 only need a switch, you can order one from us for $5 postpaid.

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 Sep 16, 2008


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Posted on Jan 02, 2017


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Sharp R395 Microwave.. cant set clock.

Sounds likein the moving you loostened wires in the front panel or flexed the circuit board inside. You will need to open the control panel and inspect it. It could also be just some dirt or dust getting on the controls....blow it out with clean dry compressed air!

Dec 31, 2012 | Microwave Ovens

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Sharp microwave 8888 is flashing and I cannot remove

see this steps and fix it. God bless you

Reset the clock. Press "Clock" and the correct time, using the number pads. Press "AM/PM" if applicable, and press "Start" or "Clock" to confirm.

  • 2 Press "Timer On/Off" to reset the timer if nothing on the touch pad will operate. Use the number pads to select a new timed amount, if desired, and press "Timer On/Off" to start. Press again to cancel.
  • 3 Press and hold "Clear/Off" for three seconds if the timer will not function or is blinking when you touch the pads. This will release the "Child Lock" feature. Make a new touch pad selection.
  • 4 Disconnect power to the microwave if following Steps 1 through 3 does not resolve the blinking timer. Wait a few minutes, and then restore power to reset the microwave.

  • However if the problem persist the display board
    main control board is faulty


    Oct 02, 2012 | Sharp Microwave Ovens

    1 Answer

    R-209BK Sharp Microwave buttons inoperable

    I had this problem too:
    it turns out that it (apparently) just needed some 'warm-up' time!

    After being plugged in for about 15 to 30 minutes,
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    Note that when it's flashing 88:88 you are supposed to _start_ with the 'Stop/Clear' button. After that, set the clock (press "Clock", enter the time with the number pad, then press Clock again).

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    Sharp Carousel #R-209 E KA stored for year.

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    Mar 28, 2009 | Microwave Ovens

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    Clock on Microwave

    Normally on a Sharp, one of these key combinations will do it:

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    CLOCK > 1 > 2 > 3 > START

    CLOCK > CLEAR > 1 > 2 > 3 > CLOCK

    CLOCK > CLEAR > 1 > 2 > 3 > START

    Let us know if this does not work.

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

    Aug 06, 2008 | Sharp R-254 Microwave Oven

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    I have lost instruction book for Sharp Compact R250A microwave oven-how do I reset the clock?

    May be a little late, but... 1. Press Power Level button for approx 5 seconds - you get the 12 hour clock 2. Press again for 24 hour clock 3. Set hours using the 10 min and 1 min buttons 4. Press Power level button 5. Set minutes using the 10 min and 1 min buttons 6. Press Power level button And you are done

    Aug 05, 2008 | Sharp Microwave Ovens

    1 Answer

    Microwave oven

    On most Sharp models, you press Clock, then the digits for the time, then either Clock or Start.

    You may have to open & close the door, then try it.

    If you still need more help, please reply back or visit - they may have a user manual available for download.

    We're happy to help and we appreciate your thoughtful rating of our answer.

    Mar 20, 2008 | Microwave Ovens

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    How do I reset the clock on sharp model no. R242?

    Normally you press Clock, then the numbers, then either Clock again or Start.

    If that does not work, you can call Sharp USA at 1-800-BE-SHARP (1-800-237-4277) for assistance.

    We're happy to help and we appreciate your thoughtful rating of our answer.

    Jan 20, 2008 | Microwave Ovens

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    Sharp R-9H56 Microwave convection oven

    I have this model. Press clear then press Auto/Clock. Enter in the time eg 700 then press Auto/Clock again. The time should now be set

    Jun 08, 2007 | Sharp R-1872 Convection/Microwave Oven

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    Sharp microwave

    If it died as soon as you hit the Start pad, it probably has a shorted high-voltage capacitor. If it died a few seconds after you hit Start, it may be a shorted high-voltage transformer. Can you describe in more detail what happened? Have you checked the outlet for power? Have you checked the fuse inside? I'm happy to help you.

    May 14, 2007 | Sharp R-202EW Microwave Oven

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