6-2
6.2
Troubleshooting Fryers
6.2.1 Controller and Heating Problems
PROBLEM
PROBABLE CAUSES
CORRECTIVE ACTION
No display on the
controller.
A. Controller not turned on.
B. No power to fryer.
C. Failed controller or other
component
A. Press the ON/OFF switch to turn the
controller on.
B. Verify that the fryer is plugged in and
that the circuit breaker is not tripped.
C. Call your FAS for assistance.
Controller displays
IS VAT FULL?
YES NO
after a
filtration.
A.
Normal after filtering.
B.
Oil may be in the filter pan.
A.
Press
(YES) if the vat is full,
otherwise press
(NO).
B.
Follow controller prompts to clear
message. If problem persists, call your
FAS for assistance.
Controller displays
CHANGE FILTER
PAPER?
Daily filter paper change prompt has
occurred.
Press
(YES), follow prompts and
change the filter paper.
Fryer repeatedly
cycles on and off when
first started.
Fryer is in melt cycle.
This is normal operation. This will
continue until the fryer temperature reaches
180ºF (82ºC).
Fryer does not heat.
A. Drain valve is open.
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.
A. Close drain valve.
B. Turn the gas valve knob to the
ON
position.
C. Verify that any in-line manual shut off
and gas main 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 your FAS for
service. If combustion air blower is
functional, clean and adjust per
instructions in Chapter 6 of this manual.
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.
Heat indicator is on and
blower is running, but
burner will not ignite.
Blown fuse on interface board or
ignition module.
Contact your FAS for service.
Fryer is operating
normally, but produces
a popping sound when
burners ignite.
A.
Dirty or obstructed combustion
air blower.
B.
Dirty or obstructed gas valve vent
tube (non-CE fryers only).
C.
Malfunctioning combustion air
blower.
A.
Clean and adjust per instructions in
Chapter 5 of this manual.
B.
Clean per instructions in Chapter 6 of
this manual.
C.
If blower is slow to come up to speed,
contact your FAS for service.
Controller displays
HEATING
FAILURE
.
Gas valve off, failed controller,
failed transformer, open high-limit
thermostat.
It is normal for this message to appear
during startup if the lines have air in them.
Check that the gas valve is on. If it
continues, shut the fryer down and call
your FAS for assistance.
