Errors and troubleshooting
OLFCM 15/30/45/60
en(us)
69 / 84
BeWa OLFCM 15-60 3595923a en-us 2018-06-28 .docx
2018-06-28
Error
Cause(s)
Remedy
Running noise of
motor-pump assembly
becomes substantially
louder.
cavitation due to
blocked strainer in
the suction pipe.
Clean the suction strainer.
2=2=19
The pump is
sucking in air. The
suction hose is
positioned above
the oil level.
Push the suction hose deeper
into the tank, beneath the oil
level.
The pump is
sucking in air.
Check the screwed fitting for
leaks.
Air is drawn into the
tank.
The pressure hose or the
pressure lance is positioned
about the level of the oil. Dip
the pressure lance into the oil.
The viscosity of the
fluid to be
conveyed is too
high.
Check the viscosity.
The volumetric flow
over the CS is too
low.
The CS or the
prefilter is blocked.
Remove the CS and blow it
out using compressed air
against the direction of flow.
Check the prefilter to the CS.
Clean or replace the prefilter.
The CS does not
recognize flow.
Check the pump for proper
functioning.
Switch the unit on.
The CS is blocked. Remove the CS and blow it
out using compressed air
against the direction of flow.
The pump is not
sucking or sucking
badly.
There is no oil in
the pump.
Fill the pump via the suction
hose.
CHECK
CHECK
