D 49
D F6C.GB 49-50 0504
Malfunction Cause Remedy
Hoppers lowers inad-
vertently
Control valve is defective Replace
Leaking seals of the hydraulic
cylinder
Replace
Screed cannot be
lifted
Oil pressure too low Increase the oil pressure
Leaking seal Replace
Power supply interrupted
Check fuses and cables; replace if
necessary
Crossbeams cannot
be lifted or lowered
Switch on the remote control
is set to „auto“
Set the switch to „manual“
Power supply interrupted
Check fuses and cables; replace if
necessary
Switch on the operating panel
defective
Replace
Excess pressure valve defec-
tive
Replace
Flow rate regulator defective Replace
Seals defective Replace
Crossbeams lower
inadvertently
Control valves defective Replace
Pilot-controlled non-return
valves defective
Replace
Seals defective Replace
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