5-4
PROBLEM
PROBABLE CAUSES
CORRECTIVE ACTION
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
√
(check - YES) button.
Filtration will resume.
FQ4000 displays
DO NOT TURN
ON FRYER
UNLESS FRYPOT
IS FULL OF OIL.
DO YOU WANT
TO TURN FRYER
ON? YES NO
during or after a
filtration.
A.
Displayed when the oil does not
return to the frypot within a
prescribed amount of time. This
could be due to a clogged or dirty
filter.
B.
Clogged pre-screen filter.
A.
Clean or change the filter and
ensure the frypot is full of oil
above the lower oil fill line and
press the
√
(check - YES)
button
to turn the fryer on.
B.
Clean the pre-screen filter.
FQ4000 displays
LOW OIL LEVEL
DETECTED. OIL
MUST BE ABOVE
THE LOWER FILL
LINE. FILL
FRYPOT WITH
OIL BEFORE
TURNING ON
FRYER.
Displayed when the fryer detects a
low oil condition.
Ensure the frypot is full of oil and
press the
√
(check - COMPLETED)
button.
FQ4000 displays
CHANGE FILTER
PAPER/PAD?
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/PAD
prompts.
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.
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 in the
FQ4000 controller manual.
