Amana A1200S Service page 31

Troubleshooting Procedures
!
Diagnosis for VEND-10.000, .A, .B, .C, FS-10EVP, FS-14, FSP-10
Test Sequence 2: Cook Condition
Place a cup of water in oven and close oven door.
Colon appears in the display?
Yes
Push button number one, the controller beeps and
the display starts counting down?
Yes
Display counts down to zero, then the colon
flashes and the controller beeps.
Yes
Open oven door.
Water placed in the oven is heated?
NOTE: Due to short time periods
programmed into the controller, the temperature
rise of the water may be slight.
Yes
Close oven door and test all timer buttons as
follows: Push button number two and observe
display countdown. Interrupt countdown by
opening and closing door.
Test next button.
All button initiate timer countdown?
Yes
Cook operation normal.
Proceed to vari-power condition
(Test Sequence 3).
WARNING
To avoid risk of electrical shock, personal injury, or death,
disconnect power to unit and discharge the capacitor
before following any disassembly procedures.
1. Inoperative controller.
No 2. Broken or improper wire connection.
1. Button one programmed for zero time.
2. Door not completely latched.
3. Inoperative touch panel.
No
4. Inoperative controller.
5. Test).
6. Broken or improper wire connection.
No 1. Inoperative controller.
Heats very slowly
NOTE: Verify by performing power test
1. Line voltage less than 110 volts.
2. Inoperative capacitor.
No
No heat
NOTE: Perform isolation test.
1. Inoperative controller.
2. Inoperative cook relay.
3. Inoperative power transformer.
4. Inoperative diode.
5. Inoperative capacitor.
6. Inoperative magnetron.
7. Inoperative or misadjusted interlock switch module (Primary
and Secondary Test).
8.
9. Inoperative magnetron thermal protector.
10. drive realy (.000, .A)
11. Broken or improper wire connection.
1. Zero time programmed for the button.
No 2. Door not completely latched.
3. Inoperative touch panel.
4. Inoperative controller.
5. Inoperative ribbon cable connection.
31
Inoperative
Inoperative triac.
RE220002 Rev. 6