Electric Oven Service Manual

TROUBLESHOOTING
39
Troubleshooting:
F9: BELT FAULT (Total Belt Run Failure)
Are there any obstructions that
are blocking the conveyor’s
movement or is the conveyor
belt damaged?
Remove obstruction or
replace/repair the conveyor and
restart the oven. Is the F9 fault
code still present?
YES
Operate the oven as
you would normally.
NO
Remove the chain guard
(page A-6).
Is the chain damaged or
obstructed in any way?
NO
YES
Remove obstruction
or, if necessary,
replace the chain.
YES
NO
Open the right end bell. Is the
wiring correctfrom the conveyor
motor to the conveyor motor
controller to the control board
correct (page 45)?
NO
Correct wiring (page 45).
Is the conveyor motor, CMSC, or
I/O control board damaged or
defective (see Figure 38 for motor
winding resistance).
YES
To From Description Expected Resistance
White Gray Winding (A-B) 215-217 W
White Black Winding (A-C) 215-217 W
Gray Black Winding (B-C) 215-217 W
White, Gray, or Black Chassis Windings to chassis Open
Figure 38: Motor Ohm Chart (Motor Windings, not Hall Effect Sensor)
NO
Check that the CMSC
settings correctly
correspond with
TurboChef settings.
Call service.
YES
Replace needed
parts (page A-8).