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Procedure
Letter
2) Other possible problems caused by defective control unit.
a) Buzzer does not sound or continues to sound.
b) Clock does not operate properly.
c) Cooking is not possible.
3) Power Unit or Touch Control Transformer
a) Fan motor, stirrer motor, oven lamp or electrical parts do not turn on or do not turn off.
b) Digital display on the control unit does not show anything.
When testing is completed,
1) Disconnect the power supply cord, and then disassemble as per "HOOD LOUVER
REMOVAL", "REMOVAL OF OVEN FROM WALL" and "OUTER CASE REMOVAL".
2) Open the door and block it open.
3) Discharge high voltage capacitor.
4) Reconnect all leads removed from components during testing.
5) Re-install the covers.
6) Reconnect the power supply cord after the covers are installed.
7) Run the oven and check all functions.
M
KEYBOARD GLASS UNIT TEST
1. Disconnect the power supply cord, and then reconnect power supply cord. Display should
show the word; "ENJOY YOUR OVEN PRESS CLEAR AND PRESS CLOCK." in either one or
both displays.
2. Immediately press the following keys within 20 seconds:
"Power Level" then "Set Clock" then "Start / add 30 sec" then "Stop Clear".
Test mode should start checking each digit.
3. After each digit is confirmed, press every key on Keyboard Glass unit.
4. After every key is pressed, open door and verify the following display:
If any other code is displayed, one or more Key Units are bad and the Keyboard Glass unit
will be defective.
5. Remove the old door frame assembly and install the new door frame assembly (as the nor-
mal keyboard unit).
6. Reconnect the wire harness to the keyboard glass unit.
7. Repeat steps 1 - 4 to confirm Keyboard Glass Unit is working properly.
8. Re-install the covers.
9. Reconnect the power supply cord after the covers are installed.
10. Run the oven and check all functions.
Component Test
OK
3-11
Troubleshooting
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Troubleshooting
