22
6.5.2 Built-in Filter Pump Fails to Pump Oil?
Filter pump
fails to pump
oil.
Press the filter
reset switch.
Turn pump
motor ON.
Does oil
flow?
Conduct
normal filter
operations.
Turn pump motor
OFF. Reset wall
circuit breaker (if
necessary).
Turn
pump ON.
Does oil
flow?
Go to page 24 and
continue
troubleshooting.
Does the pump
motor provide
suction?
Conduct
normal
filter
operations.
Yes
Yes
No
No
Yes
No
Go to page 23 and
follow procedures for
Rate of Oil Return
Slowing.
If blockage is not in
filter pan or line from
filter pan to the pump,
continue with this
flowchart procedure.
There may be
blockages in the
oil lines
.
Disconnect oil
return line from the
pump to the fryer.
Pump motor is
clogged or faulty.
Can you blow
air through the
oil return line?
Contact your
Dean servicer.
Submerge oil line into hot
water (over 49°C/120°F).
Keep both ends out of the
water.
Once shortening
has softened,
reconnect oil line
to filter.
Turn pump
motor ON.
Does oil
flow?
Yes
No
Contact your
Dean servicer.
CAUTION
If water gets into oil lines,
the water will cause
severe splattering when
reconnected to the filter.
Содержание D50 Series
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