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6.2.3
Filtration Problems
Problem
Fryer filters after
each cook cycle.
Clean and Filter
won't start.
FQ4000 display
shows FILTER BUSY.
Filter pump won't
start, or pump stops
during filtering.
Drain valve or return
valve stays open.
FQ4000 display
shows INSERT pan.
Auto filtration, OQS
filter won't start.
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. 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. VIB board has failed.
B. Actuator has failed.
A. Filter pan is not fully set into fryer.
B. Missing filter pan magnet.
C. Defective filter pan switch.
A. Oil level too low.
B. Oil temperature is too low.
C. Filter Pan out.
D. Filtration in recipe settings is set to
OFF.
E. Filter relay has failed.
Change or overwrite the filter after
setting by re-entering the filter after
value in Manager Settings, Filter
Attributes in section 1.8 of the
FQ4000 controller manual.
Ensure fryer is at setpoint before
starting a 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.
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 section 2.1.2 of the
FQ4000 controller manual).
C. Call your FAS for assistance.
Call your FAS for assistance.
A. Pull filter pan out and fully
reinsert
controller does not display P.
B. Ensure the filter pan magnet is
in place and replace if missing.
C. If the filter pan magnet is fully
against the switch and controller
continues
PAN, switch is possibly defective.
A. Ensure oil level is at the top oil
fill line (at the top oil level
sensor).
B. Ensure the oil temperature is at
setpoint.
C. Ensure
display P. Ensure the filter pan
is fully seated into fryer. Power
cycle the fryer.
D. Set filtration in recipes to ON.
E. Call your FAS for assistance.
6-4
Corrective Action
in
and
the
circuit
overload
switch
Allow the
into
fryer.
Ensure
to
display
INSERT
controller
does
has
not
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Table of Contents
Troubleshooting
