5-2
5.2 Troubleshooting Fryers
5.2.1 Controller and Heating Problems
PROBLEM
PROBABLE CAUSES
CORRECTIVE ACTION
No display on the
controller.
A.
No power to fryer.
B.
Failed controller or other
component
A.
Verify that the fryer is plugged in and
that the circuit breaker is not tripped.
B.
Call your FAS for assistance.
FQ4000 displays
IS VAT FULL? YES
NO
after a
filtration.
A.
Normal operation during most at
the beginning or end of most
filtration functions.
B.
If the display appears many times
during a filter it could be an
indication of slow oil return.
A.
Ensure the vat is full of oil and press
the
√
button.
B.
See section 5.3 troubleshooting –
Filter Pump runs, but oil return is
very slow.
FQ4000 displays IS
DRAIN CLEAR?
Drain is clogged and oil failed to
drain.
Clear drain with Fryers Friend and
press
√
button. Filtration will resume.
FQ4000 displays
CHANGE FILTER
PAPER?
Filter error has occurred, filter
paper/pad clogged, 25-hour filter
paper/pad change prompt has
occurred or change filter paper/pad
was ignored on a prior prompt.
Change the filter paper/pad and ensure
the filter pan has been removed from
the fryer for a minimum of 30 seconds.
Do
NOT
ignore
CHANGE FILTER PAPER
prompts.
Fryer does not heat.
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.
A.
Check error log. Ensure that E33 is
not displayed.
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 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 6 of this manual.
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 6 of this manual.
B.
Clean per instructions in Chapter 6 of
this manual.
C.
Call your FAS.
Controller locks up.
Controller error.
Remove and restore power to the
controller. If problem persists, call your
FAS for assistance.
