Troubleshooting; Controller And Heating Problems - Frymaster OCF30 Series Installation & Operation Manual

6.2 Troubleshooting Fryers

6.2.1 Controller and Heating Problems

PROBLEM
No display on the
controller.
Controller displays
IS VAT FULL?
YES NO after a
filtration.
Controller displays
CHANGE FILTER
PAPER?
Fryer repeatedly
cycles on and off when
first started.
Fryer does not heat.
Fryer is operating
normally, but recovery
is slow when cooking.
Heat indicator is on and
blower is running, but
burner will not ignite.
Fryer is operating
normally, but produces
a popping sound when
burners ignite.
Controller displays
HEATING
FAILURE.
PROBABLE CAUSES
A. Controller not turned on.
B. No power to fryer.
C. Failed controller or other
component
A. Normal after filtering.
B. Oil may be in the filter pan.
Daily filter paper change prompt has
occurred.
Fryer is in melt cycle.
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.
Dirty or obstructed combustion air
blower.
Blown fuse on interface board or
ignition module.
A. Dirty or obstructed combustion
air blower.
B. Dirty or obstructed gas valve vent
tube (non-CE fryers only).
C. Malfunctioning combustion air
blower.
Gas valve off, failed controller,
failed transformer, open high-limit
thermostat.
CORRECTIVE ACTION
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.
A. Press (YES) if the vat is full,
otherwise press
B. Follow controller prompts to clear
message. If problem persists, call your
FAS for assistance.
Press (YES), follow prompts and
change the filter paper.
This is normal operation. This will
continue until the fryer temperature reaches
180ºF (82ºC).
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.
Clean and adjust per instructions in Chapter
5 of this manual.
Contact your FAS for service.
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.
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.
6-2
(NO).