Status LED / Causes and remedies
LVU-CD-40
en(us)
Page 56 / 68
BeWa LVU-CD-40 4035823a en-us 2016-01-08.doc 2016-01-08
Status LED Cause(s) Remedy
The suction hose is
not suitable for
negative pressure.
Use a hose that is resistant to
negative pressure.
If the maximum
differential pressure
in the filter housing
or coalescing
housing has been
reached, the control
will automatically
switch off the unit.
Once a clogging
indicator responds,
the unit will be
switched off with a
time delay of 60
seconds.
Switch on the unit and check at
which of the two optic-electric
clogging indicators the LED
illuminates.
Change the filter element or the
coalescing element depending
on which LED of the clogging
indicator illuminates.
The viscosity of the
fluid is too high.
Check the viscosity of the fluid.
Heat the fluid to achieve the
permissible viscosity.
The filter element
or the coalescing
elements are
clogged.
(The clogging
indicator is
responding)
The suction line at
the inlet is
generating too
much loss of
pressure.
Ensure that the pressure at the
inlet is within the permitted
range.
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