145
Maintenance and Service
Operator's Manual GB
9.6.2
9.6.2 Faults on the crane
Faults in the crane must be rectified immediately.
DANGER
• Only correct yourself the faults that ac-
cording to the table you may rectify.
• Follow the instructions exactly!
• All other faults must be corrected by
personnel in a HIAB service workshop!
Fault
Probable cause
Action
The electronic system will
not start.
Parking brake on the truck
is not engaged.
Engage parking brake on the
truck.
Engage Crane does not react
to the controls.
Indicator lamps light up on
the user panel.
The crane is in an OLP
situation
Perform movements to re-
duce the load moment. If
necessary, release OLP.
Crane does not work proper-
ly: One or more crane func-
tions do not work, or not
properly. Lifting capacity is
much less than normal. Op-
erating speed is significantly
reduced. The service lamp is
lit.
The system has detected a
fault
Contact a HIAB service
workshop.
The hydraulic pump makes
a noise. Three causes:
Warning! Stop using the
crane immediately!
Oil tank filler cap air filter
is blocked.
Clear the blockage or re-
place the entire filler cap.
Oil level in the tank is too
low.
Top up the oil tank and
bleed the hydraulic system.
The pump is faulty
Go to a HIAB service work-
shop.
The stabiliser extensions do
not slide out.
The extensions are still
locked.
Unlock the extensions.
Hydraulic fault.
Go to a HIAB service work-
shop