5-4
5.3
Troubleshooting the Auto Filtration
Problem
Probable Causes
Corrective Action
Fryer filters after
each cook cycle.
Filter after setting incorrect.
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.
Clean and Filter
won’t start.
Temperature too low.
Ensure fryer is at setpoint before
starting a Clean and Filter.
FQ4000 display
shows FILTER BUSY.
A.
Another filtration cycle or filter
pad change is still in process.
B.
Filter interface board has not
cleared checking system.
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.
Filter pump won’t
start or pump stops
during filtering.
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.
Verify that the power cord is
fully plugged in and the circuit
breaker is not tripped.
B.
If the motor is too hot to touch
for more than a few seconds,
the thermal overload switch
has probably tripped. Allow the
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.
Drain valve or
return valve stays
open.
A.
VIB board has failed.
B. Actuator has failed.
Call your FAS for assistance.
FQ4000 display
shows INSERT pan.
A.
Filter pan is not fully set into fryer.
B.
Missing filter pan magnet.
C.
Defective filter pan switch.
A.
Pull filter pan out and fully
reinsert into fryer. Ensure
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 to display
INSERT PAN, switch is possibly
defective.
