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6-2
6.2 Troubleshooting Fryers with Computer Magic III.5, Basket Lift Timer, or Digital
Controller
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
A. Controller not turned on.
A. Press the ON/OFF switch to turn
the controller on.
B. No power to fryer.
B. Verify that the fryer is plugged in
and that the circuit breaker is not
tripped.
C. Damaged computer/controller
wiring harness.
C. If available, substitute a harness
known to be good for the suspect
harness. If the fryer functions
correctly, order replacement
harness from FASC.
No display on
computer or
controller.
D. Failed computer/controller.
D. If available, substitute a
computer/controller known to be
working for the suspect
computer/controller. If the fryer
functions correctly, order
replacement from FASC.
Display shows
with alarm
sounding.
Damaged computer/controller
wiring harness or connector.
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.
Display shows
with alarm
sounding. Heating
indicator is on, but
burners will not
light.
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.