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8.8. Troubleshooting
8.8.1. Main fuses
If the microprocessor detects a fault, this must be rectified immediately.
Fault
Probable
cause
Action
The safety system does not work
at all
The indicator light next to On/Off
button on the user panel is not lit,
even if you press On/Off
Defective
fuses
1. Replace faulty fuses in the:
- vehicle
- standard box
- relay box
(See Description, Components,
Fuse, Location)
2. Check all the cable connections
Description
Components
Fuse
Location
System main fuse
Relay Box, Standard Box,
Oil Cooler
40 A
Located on the
vehicle, where the
crane is mounted
Fuse for all components
connected to the standard
box
Hydraulic control valve,
user panel, extended box.
Truck warning interface
10 A
Located inside the
standard box
Fuse for all components
controlled by the relay
box
Work lights, solenoid
valves
15 A
Located inside the
relay box
8.8.2. Faults on the crane
Faults in the crane must be rectified immediately.
DANGER
• Only correct yourself the faults that according to the table you may rectify.
• Follow the instructions exactly!
• All other faults must be corrected by personnel in a Hiab authorised service
workshop!
Fault
Probable cause
Action
Crane does not react to the
controls.
Indicator lamps light up on the User
Interface.
The crane is in an
OLP situation
Perform movements to
reduce the load moment. If
necessary, release OLP.
Maintenance and Service
74
HIAB 410K PRO