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6-2
6.2 Troubleshooting Fryers
6.2.1 Computer and Heating Problems
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 computer wiring
harness.
B. Call FASC.
C. Failed Computer C. Call FASC.
No display on the
computer.
D. Power supply component or
interface board has failed.
D. If any component in the power
supply system (including the
transformer and interface board)
fail, power will not be supplied
to the computer and it will not
function. Determining which
component has failed is beyond
the scope of operator
troubleshooting. Call 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.
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.
Fryer does not heat.
F. Damaged computer wiring
harness or connector.
F. Call FASC.
Fryer is operating
normally, but
recovery is slow
when cooking.
Dirty or obstructed combustion air
blower.
Clean and adjust per instructions
in Chapter 5 of this manual.