Errors and troubleshooting
Errors and troubleshooting
Error
Cause(s)
Remedy
No oil flow
The pump is
pumping the fluid in
the wrong direction
Make sure that the pump is
functioning in the direction
shown by the arrows on the
housing. If necessary, switch two
phases in the motor control box.
The hose coupling
is leaking
Retighten the screw connection
on the hose coupling.
The suction strainer
is clogged
Check or clean the suction
strainer.
The suction hose is
kinked or faulty or a
shut-off device is
closed
Check the suction hose for
freedom of passage. Replace it if
necessary.
There is air in the
suction line and the
pump.
Fill the pump via the suction
hose / hose coupling.
The viscosity of the
fluid is too high
Check the viscosity of the
medium.
Heat the medium to reach the
permissible viscosity.
The is no power to
the electric motor,
or no compressed
air to the air motor
Check the supply line to the
filtration unit. Replace it if
necessary.
The electric motor
or the pump is
faulty
Contact HYDAC.
The transport seals
have not been
removed.
Remove the transport seals.
The transport seals are the
yellow plastic bungs.
The filter is clogged
(Clogging indicator
appears)
The fluid is heavily
contaminated.
The filter cartridge's
capacity to absorb
dirt has been
exhausted.
Change the filter cartridge.
OF7S / OF7K
en(us)
Page 51 / 68
BeWa OF7 3430048e en-us 2016-04-28.doc
2016-04-28
