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7.2
Troubleshooting Fryers
7.2.1 Computer and Heating Problems
PROBLEM
No display on the
computer.
Fryer does not heat.
Or
Display shows
HELP with alarm
sounding. Heating
indicator is on, but
burners will not
light.
Fryer is operating
normally, but
recovery is slow
when cooking.
Or Fryer is slow
coming out of melt
cycle and displays
HELP a short time
after coming out of
melt cycle.
Fryer is operating
normally, but
produces a popping
sound when burners
ignite. C. Malfunctioning combustion air
PROBABLE CAUSES
A. Computer not turned on.
B. No power to fryer.
C. Computer, wiring harness or other
component has failed.
A. Drain valve not fully closed.
B. Gas valve is not turned on.
C. Manual gas shut off valve closed.
D. Improperly connected quick-
disconnect fitting on gas line.
E. Obstructed or failed combustion
air blower.
Dirty or obstructed combustion air
blower.
A. Dirty or obstructed combustion air
blower.
B. Dirty or obstructed gas valve vent
tube (non-CE fryers only).
blower.
CORRECTIVE ACTION
A. Press the ON/OFF switch to turn
the computer on.
B. Verify that the fryer is plugged in
and that the circuit breaker is not
tripped.
C. Call FASC.
A. Verify that the drain valve is fully
closed.
B. Turn the gas valve knob to the
ON position.
C. Verify that any in-line manual
shut off and main cut-off is
open.
D. Verify that the quick-disconnect
fitting on the flexible gas line is
firmly connected to the fryer.
E. Verify that combustion air
blower is running. If not, call
FASC for service. If combustion
air blower is functional, clean
and adjust per instructions in
Chapter 6 of this manual.
Clean and adjust per instructions
in Chapter 6 of this manual.
A. Clean and adjust per instructions
in Chapter 6 of this manual.
B. Clean per instructions in Chapter
6 of this manual.
C. If blower is slow to come up to
speed, contact FASC for service.
7-2
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