31
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
Fault
Check
Cause
Solution