Cook Condition - Amana HDC12 Service Training Manual

Troubleshooting

Cook Condition

Place cup of water in
oven and close oven door.
Display
Push pad number 1.
Pad beeps when pushed?
Display
Yes
1
Display starts counting down.
Yes
Display counting down to "0" and
beep sounds.
Yes
Open oven door, water is properly heated?
Yes
Oven is operating properly.
NOTE: Shut down after cook cycle - door closed - factory preset at 60 seconds, but can be changed with user options.
Shut down, door open - approximately 2 minutes.
After shut down, display goes blank.
1. Beep not programmed into oven.
NO
2. Pad not programmed.
3. Inoperative touch panel.
Inoperative control board.
4.
Broken or improper wire connections.
5.
1.
Magnetron TCO opened in mid-cycle
2. Logic switch opened in mid-cycle
3.
Primary switch opened in mid-cycle
4. Inoperative control board.
Symptoms of the above are as follows:
- Countdown time stops and remains displayed.
- "POWER" indicator disappears.
- "READY" indicator is displayed.
- Blower and antenna motors and light continue to operate.
NO
After 2 minutes, all functions stop and the display goes blank.
After TCO or switch resets:
- "READY" indicator is displayed.
- Blower and antenna motors and light operate for 2 minutes.
Heats very slowly.
NOTE: Verify by performing power test.
1. One inoperative diode.
2. One inoperative capacitor.
3. One inoperative magnetron.
Broken or improper wire connection.
4.
5. Inoperative or misadjusted interlock switch assembly.
No heat.
NO
1. Inoperative triac.
2. Inoperative diodes.
3. Inoperative capacitors.
4. Inoperative high voltage transformer.
5. Inoperative control board.
6. Inoperative or misadjusted interlock switch assembly.
7. Broken or improper wire connections.
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