Question about Samsung MW1030WA Microwave Oven
Our 2 year old MW1030WA microwave suddenly does not work. It does not allow us to press anything on the keypad and the display continuously shows 8888 right now, sometimes it beeps occasionally with a request to enter a quantity. Please help. Thanks.
For that model, the child lock is activated and deactivated by holding 0 then pressing 2. But that doesn't sound like your trouble. You may have a keypad which is defective, damaged or may have gotten wet or otherwise contaminated. Moisture and contamination can be caused by not using the fan when boiling on the stove top, direct spraying of cleaners, by storing the microwave in an unheated garage or shed, or infestation. I warn my customers to never spray cleaner directly onto the microwave keypad, since the liquid can get inside and "lock up" or even ruin the keypad or controller. If this happens it must dry out or be dried out, unless the moisture has gotten too deep. Apply an alcohol-based cleaner (such as the purple kind) to a cloth (since paper towels can scratch) and gently wipe it off. I suggest to my customers that they NEVER use any ammonia-based cleaner (like the blue stuff) on a microwave, since the ammonia will crack and distort polycarbonate plastics. If the keypad or controller has gotten wet, it can sometimes be carefully blown out with compressed air or heat. Another thing is to unplug the power at the mains for several seconds por minutes. Plug it back in and see if it works. A reset may do it. At power-up, the display should flash or show a text message. If not, a key may be stuck due to a foreign substance or a defective keypad. If certain keys are not working, there may be some foreign substance at the point where the green or blue plastic strip from the keypad plugs into the circuit board. To check that, it will need disassembly, and we have *critical* safety & disassembly info at our site, which is linked at our listing here on FixYa: http://tinyurl.com/yzjozk 1. Be sure the oven is disconnected from the power line while you are taking it apart. 2. The keypad connection is the green or blue translucent plastic strip that plugs into a connector near the edge of the board. 3. There are two tiny tabs (one on each side) of the connector that you can gently pull up on to unlock the connector. 4. Then the keypad strip will lift out. Clean both sides of the end of the strip with a pencil eraser, then with alcohol-based cleaner if you like, but do not use ammonia-based cleaner. Dry the end of the strip. 5. Put the keypad strip back in, making sure both sides are down fully. 6. While holding the strip down, push the connector back down to lock it. 7. Try the keys again with the door closed.
Posted on Apr 23, 2007
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Posted on Jan 02, 2017
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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.
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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