27
Fault
Check
Cause
Solution
Blade arms do
not move when
operated.
Battery fully
charged?
Battery flat
Charge battery
Battery defective
Replace battery
Power supply cable
connected?
Power supply cable
defective
Replace power
supply cable
Device defective
Repair by an
authorized dealer, by
personnel specially
trained by LUKAS,
or by LUKAS itself
Device does not
perform at its given
power
Device defective
Repair by an
authorized dealer, by
personnel specially
trained by LUKAS,
or by LUKAS itself
Following release,
the star grip
doesn’t return to
the central position
Casing damaged or
star grip operation
not working
smoothly?
Damage to the
torsion spring for
reset
Repair by an
authorized dealer,
by personnel
specially trained
by LUKAS, or by
LUKAS itself
Soiled valve or star
grip
Defective valve
Other mechanical
damage (e.g. star
grip)
Hydraulic fluid
leaking from the
piston rod
Defective rod seal
Repair by an
authorized dealer,
by personnel
specially trained
by LUKAS, or by
LUKAS itself
Damage to the
piston
The useful
operating time
between the
individual charging
cycles is less than
5 minutes, despite
charging the
batteries according
to the instructions.
Battery defective
Replace battery