HYDAC FILTER SYSTEMS GMBH
Rectifying malfunctions | 7
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7 Rectifying malfunctions
In order to get quick and immediate assistance in the case of
errors, you will find the most often occurring errors with their
cause and remedy with suitable specialist personnel in this
chapter.
The following errors may occur during operation of the filter
unit:
Malfunction
Cause(s)
Rectification
No oil flow.
The vane pump
is pumping the
fluid in the wrong
direction.
Make sure that
the vane pump
is functioning in
the direction
shown by the ar-
rows on the
housing. If nec-
essary, switch
two phases in
the motor control
box.
There is no oil in
the filter unit.
Fill the filter unit
through the suc-
tion hose.
The quick cou-
pling is leaking.
Retighten the
connector on the
quick coupling.
The protective
screen is
clogged.
Check and/or
clean the protec-
tive screen as
needed.
The suction
hose is kinked or
faulty or a shut-
off device is
closed.
Check the suc-
tion hose for
freedom of pas-
sage. Replace it
if necessary.
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