Electrolux EI30SM55JB Technical & Service Manual page 32

Troubleshooting and Testing
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.
d) Fan motor, antenna motor, oven lamp or electrical parts do not turn on or do not turn off.
e) Digital display on the control unit does not show anything.
When testing is completed,
1. Disconnect the power supply cord, and then remove outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor. (See Warnings and Instructions on page 3-1)
4. Reconnect all leads removed from components during testing.
5. Re-install the outer case (cabinet).
6. Reconnect the power supply cord after the outer case is installed.
7. Run the oven and check all functions.
GLASS TOUCH KEY UNIT TEST
M
Before testing:
1. Disconnect the power supply cord, and then remove the outer case.
2. Open the door and block it open.
3. Discharge high voltage capacitor. (See Warnings and Instructions on page 3-1)
4. Disconnect the leads to the primary of the power transformer.
5. Ensure that these leads remain isolated from other components and oven chassis by using
insulation tape.
6. After that procedure, re-connect the power supply cord.
Testing:
7. Disconnect the power supply cord, and then reconnect power supply cord. Display should show
the words: "ENJOY YOUR OVEN TOUCH CLEAR AND TOUCH CLOCK." in the display.
8. Wait 3 sec. and 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.
9. After each digit is confirmed, press every key on Glass touch key unit.
NOTE: At this time, oven lamp, hood lamp, fan motor, hood fan or some electric parts may operate
by pressing keys. But please ignore operations of the electric parts.
10. After every key is pressed, open door and verify the following display:
11. If any other code is displayed, one or more Key pads are bad and the Glass touch key unit will
be defective. Remove the old glass touch key unit and install the new one (as the normal glass
touch key unit).
12. Reconnect the wire harness to the glass touch key unit.
After testing:
13. Disconnect the power supply cord and then remove outer case.
14. Open the door and block it open.
15. Discharge high voltage capacitor. (See Warnings and Instructions on page 3-1)
16. Reconnect all leads removed from components during testing.
17. Reconnect the power supply cord.
18. Run the oven and check all functions.
Component Test
3-10
OK