Question about Whirlpool GT4185SK Microwave Oven
We have a Whirlpool GT4185SKB model from 2003. The clock-timer-keypad does not work and does not show anything. However, as soon as we close the door shut, the microwave oven turns on and stays on until we push the button to open it. Pl. reply here, or email to firstname.lastname@example.org... Thanks
Is it possible that some spray cleaner accidentally got into the controls?
I always recommend that users spray the cleaner on a soft cloth (not on the keypad itself) then wipe the control panel off.
Also, I always recommend non-ammonia cleaners since ammonia can crack and damage plastic.
Otherwise, the spray can get into the controls and lock it up or make it act odd.
Another thing that can cause this is steam or grease / smoke getting in the controls. The best way to prevent this is to be sure your hood exhaust fan is on whenever you cook on the stove top.
If it does not dry out over time, it may need to be manually dried or blown out.
I've followed up to your by e-mail address to be sure I help you fully.
We're happy to help and we appreciate your thoughtful rating of our answer.
Posted on Mar 16, 2008
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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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