Question about Sharp R-1480 Microwave Oven

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The Keypad of my sylvania microwave does not work

When I plug in the Microwave - the light glows up but i trying pressing any number and it just doesn't take anu inout. The start/stop button also doesn't work.

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  • Anonymous Dec 31, 2008

    keypad wont work

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  • Sharp Master
  • 8,968 Answers

Sounds like you have a bad membrane keypad.

To download owner's manuals for Canadian models of Sylvania microwaves, visit here, where you can also contact them.

For help with US models of Sylvania microwaves, contact Customer Service at 1-800-856-8977 (Mon-Fri 9:00-5:00 Pacific Time) or visit Galanz.

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

Posted on Dec 13, 2008

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1.While pressing the CANCEL keypad:
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b) Unplug the microwave oven for 2-seconds and plug it back in.
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NOTE: The humidity sensor test results will appear on the display after 8-seconds.If the tests are successful, "OK " will be displayed. If one or more of the tests fail, "ERR " will be displayed.. 2.When a keypad is pressed, a number according to the test chart will be displayed. When no keypad is pressed, a blank "?" is displayed...
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One quick check is to gently hold down on the door while you press Start (or Cook).

If you or someone you know decide to look into it, we have critical safety information, info on door switch diagnosis and replacement, and disassembly information at our site, and our link is at our listing here on FixYa: http://tinyurl.com/yzjozk

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Keypad on microwave wont work


TOUCH PANEL & MICROCOMPUTER BOARD TEST FOR WHIRLPOOL....

The microwave oven may be provided with a self diagnostic routine that can be operated

through the touch pad keyboard. To enter the self-diagnostic routine:

1.While pressing the CANCEL keypad:

a) Open the oven door.

b) Unplug the microwave oven for 2-seconds and plug it back in.

c) Release the CANCEL keypad and close the oven door. You will see the following display.

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NOTE: The humidity sensor test results will appear on the display after 8-seconds.If the tests are successful, "OK " will be displayed. If one or more of the tests fail, "ERR " will be displayed.. 2.When a keypad is pressed, a number according to the test chart will be displayed. When no keypad is pressed, a blank "—" is displayed...

 

POWER FAILURE &FAILURE CODES

Power Failure: After a power failure, the WELCOME screen will be displayed.

F2 —Keyboard Failure: Refer to the Tech Sheet and conduct a touch panel continuity test.

F3H —Humidity Sensor Failure: Refer to the Tech Sheet and test the sensor.

F6 —Microwave Relay Failure: Check the microwave relay.

F7 —Microcomputer Board Failure: Change the microcomputer board.

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