Manual

37
Fault Check Cause Solution
Connected
equipment does
not reach its end
position
Check hydraulic
fl uid volume in
hydraulic tank
Insuffi cient fl uid in the
hydraulic tank
Top up hydraulic fl uid
to the maximum fi ll
level
Attention! Before
topping up, return the
connected equipment
to the base position!
Usable hydraulic fl uid
volume of the unit is
insuffi cient
Use a different unit
with a demand quantity
below the maximum
usable quantity of the
power unit
Connected
equipment does
not reach its
performance data
(force)
Maximum permitted
operating pressure
of the pump is not
reached
Have the pressure
limiting valve reset or
repaired by authorised
dealer or directly by
LUKAS
Pump block defective Have it repaired by
authorised dealer or
directly by LUKAS
Connected unit
defective
Rectifi cation see
operating instructions
of the connected unit
During function test:
A pressure gauge
installed between
the equipment
and the hydraulic
power unit does
not indicate the
maximum operating
pressure of the
power unit.
Check the
stated data of
the connected
equipment
The operating
pressure of the
connected equipment
is locked internally
No repair or fault
rectifi cation required
Connected unit
defective
Consult the separate
operating manual
for the connected
equipment
Hydraulic unit
defective
Have it repaired by
authorised dealer or
directly by LUKAS