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6-4
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
Heat indicator off
upon initial startup.
Display shows
or with alarm
sounding.
Failed computer/controller.
If available, substitute a
computer/controller known to be
working for the suspect
computer/controller. If the fryer
functions correctly, order
replacement from FASC.
6.3 Troubleshooting Fryers with Solid State (Analog) Controller
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
A. No power to fryer.
A. Verify that the fryer is plugged in
and that the circuit breaker is not
tripped.
B. Damaged controller wiring
harness.
B. If available, substitute a harness
known to be good for the suspect
harness. If the fryer functions
correctly, order replacement
harness from FASC.
Power switch ON, no
lights on controller,
fryer does not heat.
C. Failed controller.
C. If available, substitute a controller
known to be working for the
suspect controller. If the fryer
functions correctly, order
replacement from FASC.
Power light ON,
trouble light ON,
heating mode light
OFF.
Damaged controller wiring
harness.
If available, substitute a harness
known to be good for the suspect
harness. If the fryer functions
correctly, order replacement
harness from FASC.
A. Drain valve not fully closed.
A. Press the ON/OFF switch off,
close the drain valve(s)
completely, then press the
ON/OFF switch on.
B. Gas valve is not turned on.
B. Turn the gas valve knob to the
ON position.
C. Manual gas shut off valve closed.
C. Verify that any in-line manual
shut off valve is open. Verify that
gas main cut off valve is open.
D. Improperly connected quick-
disconnect fitting on gas line.
D. Verify that the quick-disconnect
fitting on the flexible gas line is
firmly connected to the fryer.
Power light ON,
trouble light ON,
heating mode light
ON. Burners do not
ignite.
E. Obstructed or failed combustion
air blower.
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 5 of this
manual.