
37
RE220002 Rev. 6
Troubleshooting Procedures
To avoid risk of electrical shock, personal injury, or death,
disconnect power to unit and discharge the capacitor
before following any disassembly procedures.
WARNING
!
Diagnosis for VEND-10.H, .J, VEND-10, VEND-11, FSP-11, FS-11EVP, FS-16EVP
Test Sequence 10: Cook Condition
Place a cup of water in oven and close oven door.
1. Inoperative controller.
Cavity light is on?
No
2. Broken or improper wire connection.
Yes
1. Button one programmed for zero time.
2. Door not completely latched.
Push button number one, the controller beeps and the display
starts counting down?
No
3.
4.
Inoperative touch panel.
Inoperative controller.
Yes
5.
6.
Inoperative or misadjusted door interlock switch module (Logic
Test).
Broken or improper wire connection.
Display counts down to zero, and the controller
No
1. Inoperativecontroller.
beeps, and display shows "DONE".
Yes
Heats very slowly
NOTE: Verify by performing power test
Open oven door.
1. Line voltage less than 110 volts.
2. Inoperative capacitor.
Water placed in the oven is heated?
3. Inoperative magnetron
No
No heat
NOTE: Due to short time periods programmed into
NOTE: Perform isolation test.
the controller, the temperature rise of the water may be slight.
1.
2.
Inoperative controller.
Inoperative power transformer.
Yes
3.
4.
5.
6.
7.
8.
Inoperative diode.
Inoperative capacitor.
Inoperative magnetron.
Inoperative or misadjusted interlock switch module (Primary
and Secondary Test).
Inoperative triac.
Broken or improper wire connection.
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.
1. Zero time programmed for the button.
All button initiate timer countdown?
No
2. Door not completely latched.
3. Inoperative touch panel.
Yes
4. Inoperative controller.
Cook operation normal.
Proceed to vari-power condition
(Test Sequence 11).