Frymaster BIPH55 Series Operator's Manual page 37

6.2 Troubleshooting Fryers
6.2.1 Computer and Heating Problems
PROBLEM
No display on the
computer.
Fryer does not heat.
Fryer is operating
normally, but
recovery is slow
when cooking.
PROBABLE CAUSES
A. No power to fryer.
B. Damaged computer wiring
harness.
C. Failed Computer
D. Power supply component or
interface board 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.
F. Damaged computer wiring
harness or connector.
Dirty or obstructed combustion air
blower.
CORRECTIVE ACTION
A. Verify that the fryer is plugged in
and that the circuit breaker is not
tripped.
B. Call FASC.
C. Call FASC.
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. Press the ON/OFF switch off,
close the drain valve(s)
completely, then press the
ON/OFF switch on.
B. Turn the gas valve knob to the
ON position.
C. Verify that any in-line manual
shut off valve is open. Verify
that gas main cut off valve 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 5 of this manual.
F. Call FASC.
Clean and adjust per instructions
in Chapter 5 of this manual.
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