Filter
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6-10
6.2.3 Troubleshooting the Built-in Filtration System (BIH14 units only)
MOMENTARILY
TURN THE FILTER
HANDLE TO THE
ON POSITION
Does the pump
start?
Probable causes are:
1. No Line Voltage to motor:
a. Broken or improper wire connection
b. Relay not closing due to:
(1) Missing 24V
(2) Broken or improper wire connection
(3) Pump microswitch open or defective
(4) Defective 24V transformer
c. Defective relay
2. Thermal overload tripped
3. Clogged pump
4. Defective motor
Condition normal.
Pump Motor Actuation
ASSEMBLE PAN AND
DRAIN COOKING OIL
FROM ONE FRYPOT
INTO FILTER PAN. TURN
THE PUMP HANDLE ON
THE SELECTED FRYPOT
TO THE "ON" POSITION.
Does oil return to the
selected frypot
satisfactorily?
Condition normal.
What
happens?
Oil returns slowly.No oil is returned.
Oil returns to
wrong frypot or to
more than one
frypot.
Probable causes are:
1. Oil return lines blocked or kinked
2. Misadjusted oil return valve linkage
3. Blocked drain-pan check-valve
Probable causes are:
1. Oil return lines partially blocked or
kinked
2. Misadjusted oil return valve linkage
3. Blocked drain-pan check-valve
4. Missing or defective O-ring
5. Incorrect paper/pad
6. Clogged filter screen
7. Filter pan improperly assembled
Probable causes are:
1. Wrong filter handle turned
2. Misadjusted oil return valve linkage
on unintended frypot (valve does not
close fully).
3. Defective oil return valve on
unintended frypot (valve does not
close fully).
Filter System Operation
NO
YES
NO
YES