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III. QUICK REFERENCE: TROUBLESHOOTING
SYMPTOM PROBLEM SOLUTION
No electrical power • Check that the circuit breaker/fused disconnect is on. Make
sure the emergenct stop button is on.
Oven will not
turn On.
Faulty contactor
Faulty heater element
• Replace contactor.
• Replace element.
Oven will not
heat.
Air fingers may be as-
sembled incorrectly after
cleaning.
• Turn oven off, and allow to cool. Reassemble fingers cor-
rectly.
Oven is operating, but
little or no air is coming
from the fingers.
Conveyor may be jammed. • Turn oven off, and allow to cool. Check conveyor for block-
age.
Conveyor will not move.
SYMPTOM PROBLEM SOLUTION
Clean and replace the front
fan filters.
• Failure to do this will eventually shut down the oven due to
excessive temperature.
High Control Compartment
Temperature
The computer has detected
a problem with either the
main, or burner blowers.
• This should be corrected by a qualified service technician.Main Blower problem or
Combustion Blower
problem.
SCREEN ALERTS
Control Over Temp Front filters are clogged • Clean or replace filters.
Front belt jammed Front belt has stopped • Remove obstruction, and restart oven.
• If no obstruction, call service.
Rear Belt jammed Rear belt has stopped • Remove obstruction, and restart oven.
• If no obstruction, call service.
High Temp Error Thermocouple or • Call service
PLC malfunction
Belt off-Oven not Normal operation until
in temperature Oven reaches operating
temperature
Energy Saving Mode 1 Normal operation
Energy saving mode 2 Normal operation
Energy saving Mode 3 Normal operation