Service and maintenance
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10.6 Troubleshooting and fault elimination
Special caution when rectifying faults.
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Consult trained service personnel or
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visit a specialist workshop.
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If necessary, contact the manufacturer's customer service department.
10.6.1 List of warning and fault signals
Fault / error message
Possible cause(s)
Remedy
Parking brake spindle tow
Braking effect too low
Identify the cause of lacking brake force
Adjust the cable pull or visit a
specialist workshop
Parking brake
– overrun brake
Braking effect too low
Identify the cause of lacking brake force
Adjust the cable pull or visit a
specialist workshop
Lighting faulty
No lighting
Fuse tripped
Defective cable
Check and establish the power supply
Identify the cause of the tripped fuse
Rectify the error and replace the fuse
Bulb failure
Open the bulb housing
Replace the faulty bulb with a bulb of the
same rating; perform a function check
Close the bulb housing
Hydraulics move too slowly or
not at all
Insufficient oil in the hydraulic
system
Hydraulic coupling connected
incorrectly
Hydraulic coupling faulty
Insufficient oil flow
Check the oil level and top up if
necessary
Check the connections
Check the coupling and replace if
necessary
Check the tractor hydraulics
Hydraulic cylinders extend but
then do not retract
The piston seal in the cylinder is
faulty, meaning that the piston
and ring face are in direct
contact
Check the cylinders individually for leaks
and replace the faulty cylinder if
necessary
Low lift and break-out forces
Insufficient oil pressure
Check the tractor hydraulics
Maintenance, repairs and conversion work on the trailer must be performed only when
hydraulic operation is switched off and the hydraulic connections are decoupled.
Secure the tractor to prevent accidental start-up and rolling away.
