6-6
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
Pump starts, but no
transfer takes place
or the transfer is
very slow.
A. Cooking oil/shortening is too
cold for filtering.
A. To properly filter, the oil or
shortening should be at or near
350°F (177°C). At temperatures
lower than this, the oil or
shortening becomes too thick to
pass through the filter medium
easily, resulting in much slower
oil return and eventual
overheating of the filter pump
motor. Ensure that the cooking
oil or shortening is at or near
frying temperature before
draining into filter pan.
B. Improperly installed or prepared
filter pan components.
Test: Close the drain valve.
Move the filter handle to the OFF
position, pull the filter pan from
the unit. Move the filter handle
to the ON position.
If a strong stream of air is being
pumped out of the oil return
port, the problem is with the
filter pan components.
B. Remove the oil from the filter
pan and replace the filter paper,
ensuring that the filter paper
support screen is in place under
the paper.
If this does not correct the
problem, the filter pan suction
tube is probably blocked.
Remove the blockage using a
thin, flexible wire. If unable to
remove the blockage, call FAS.
C. Improperly installed or prepared
filter pan components (cont.).
C. Verify that filter connection
O-rings are present and in good
condition.
Replace the filter paper, ensuring
that the filter paper support
screen is properly positioned
under the paper.
6.5 Troubleshooting Abnormal Burner Operation
PROBLEM PROBABLE CAUSES CORRECTIVE ACTION
Fryer is operating
normally, but
flames are rolling
out of the front of
the burner.
Obstructed gas valve vent tube.
Shut the fryer down and clean the
gas valve vent tube in accordance
the instructions on Page 5-4 – 5-5 of
this manual.
Obstruction or carbon build-up in
the flue.
Shut the fryer down and remove any
obstructions and/or accumulations
of carbon in the flue.
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