Middleby Marshall P/N 60250 Benutzerhandbuch
22
P/N 60250 September 28, 2012
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.
No gas pressure
Burner did not light
•
Make sure main gas is on.
•
Turn oven off, and restart. If it still does not light, call for
service.
Oven will not
heat.
Air fingers may be as-
sembled incorrectly after
cleaning.
•
Turn oven off, and allow to cool. Reassemble fingers correctly.
Oven is operating, but little
or no air is coming from
the fingers.
Oven is not up to operating
temperature.
Conveyor may be jammed.
•
Allow oven to preheat.
•
Turn oven off, and allow to cool. Check conveyor for blockage.
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