User Manual

220
FAULTS AND REMEDIAL ACTIONS
20. Electronic control hydraulics (EPC) rear, position control at
front not functioning.
Cause
Safety lock active.
Rear EPC: lifting gear switched to operation with
dual-action additional control unit / lever cannot
be changed over.
Lifting height limitation is set to min. lift.
Fuses blown.
Remedial Action
Press quick lift switch beyond Stop position until
indicator lamps light up.
Relieve the lifting gear of load, switch off engine,
switch the lever fully and release the safety lock.
If necessary, increase lift.
Change fuses.
21. Fault in the lifting gear control
Cause
Remedial Action
For example, loose electrical connections, failure
of an electronic component, etc.
Call up fault code on the multiple display, if
necessary contact the after-sales service
workshop.
22. Slip control operating inaccurately
Cause
Speed signals in the EPC E-box are inaccurate.
Remedial Action
Adjust the radar sensor.
23. Hydraulic traction control unsatisfactory (insufficient
number of governor pulses)
Cause
Remedial Action
Position / traction setting is set too far towards
Position.
If necessary, set more towards 'Traction.
Plough blade is blunt (no cutting action).
Sharpen plough blade.
Working implement unsuitable for control
hydraulics.
Use an implement suitable for the control
hydraulics.
24. Lifting gear does not lower
Cause
Lowering speed setting too far towards. No lowe-
ring.
Remedial Action
If necessary, set more towards "Max. lowering
speed".
25. Excessive noise in hydraulic system
Cause
Hydraulic oil still cold.
Insufficient oil in the hydraulic oil reservoir.
Air drawn in through suction line connections or
pump shaft seal.
Suction filter soiled.
Remedial Action
Let engine run for a few minutes at average
speed before any hydraulic work.
Top up oil level in accordance with specifications.
Seal the connections and/or replace the
hydraulic pump (at workshop).
Replace suction filter.