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5.3
Troubleshooting the Auto Filtration
PROBLEM
Fryer filters after
each cook cycle.
CLEAN AND FILTER
won't start.
FQ4000 display
shows FILTER BUSY.
Drain valve or
return valve stays
open.
Filter pump won't
start, or pump stops
during filtering.
FQ4000 displays
INSERT PAN.
PROBABLE CAUSES
Filter after setting incorrect.
Temperature too low.
A. Another filtration cycle or filter
pad change is still in process.
B. Filter interface board has not
cleared checking system.
A. Valve Interface Board has failed.
B. Actuator has failed.
A. Power cord is not plugged in or
circuit breaker is tripped.
B. Pump motor has overheated
causing the thermal overload
switch to trip.
C. Blockage in filter pump.
A. Filter pan is not fully set into
fryer.
B. Missing filter pan magnet.
C. Defective filter pan switch.
CORRECTIVE ACTION
Change or overwrite the filter after
setting by re-entering the filter after
value in Manager Settings, Filter
Attributes in section 1.8 in the
FQ4000 controller manual.
Ensure fryer is at setpoint before
starting Clean and Filter.
A. Wait until the previous filtration
cycle ends to start another
filtration cycle. Change filter pad
if prompted.
B. Wait 15 minutes and try again.
Call your FAS for assistance.
A. Verify that the power cord is fully
plugged
breaker is not tripped.
B. If the motor is too hot to touch
for more than a few seconds, the
thermal
probably tripped.
motor to cool at least 45 minutes
then press the Pump Reset
Switch (see page 3-7).
C. Call your FAS for assistance.
A. Pull filter pan out and fully
reinsert
controller does not display P.
B. Ensure the filter pan magnets (2)
are in place and replace if
missing.
C. If the filter pan magnet is fully
against the switch and controller
continues to display INSERT
PAN,
defective.
5-5
in
and
the
circuit
overload switch has
Allow the
into
fryer.
Ensure
switch
is
possibly
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