6-4
6.2.3 Filtration
Problems
Problem
Probable Causes
Corrective Action
Fryer filters after
each cook cycle.
Filter prompt setting incorrect.
Change the filter prompt setting.
Filter menu
functions won’t start
or controller
displays
WAIT
FOR Filter
or
FILTER BUSY
.
A.
Temperature too low or
controller displays OFF.
B.
Another function is still in
process.
C.
MIB has not cleared
checking system.
D.
Messages or errors on other
controllers.
E.
Filter pan not fully engaged.
A.
Ensure fryer is at setpoint before starting;
ensure the controller is ON.
B.
Wait until the previous function ends to
start another filtration cycle.
C.
Wait one minute and try again.
D.
Clear messages and errors on other
controllers.
E.
Ensure the filter pan is in position and
fully inserted into the fryer and “A” is
displayed on the MIB board.
Controller displays
FLT DYLD or
POL dlyd
.
Another function is in process or
the filter has been bypassed.
Wait until the previous function ends to start
another filtration cycle or select “YES” to
“FILTER NOW?” if present on another
controller.
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 page 4-
3).
C. Call your FAS for assistance.
Filter Pump runs, but
oil return is very slow.
A.
Improperly installed or prepared
filter pan components or cold oil.
A.
Remove the oil from the filter pan and
replace the filter paper, ensuring that the filter
screen is in place
under
the paper.
Verify that O-rings are present and in good
condition on filter pan connection fitting.
Controller displays
OIL IN DRAIN
PAN / CONFIRM
Drain valve open or possibility
that oil is in drain pan.
Press
(CONFIRM) and follow directions for
FILL VAT FROM DRAIN PAN.
Drain valve or
return valve stays
open.
A.
AIF board has failed.
B. Actuator has failed.
Call your FAS for assistance.
Controller displays
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.
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.
Semi-automatic
A.
Oil level too low.
A.
Ensure oil level is above the top oil level
