D41 37
Screed cannot be
lifted
Increase the oil pressure
Screed relieving or charging
Switch must be in the centre position
Crossbeams cannot
be lifted or lowered
Switch on the remote control is
set to "Auto"
Set the switch to "Manual"
Switch on the operating panel
defective
Excess pressure valve defective
Flow rate regulator defective
Crossbeams lower
inadvertently
defective
-controlled non-return
Traction does not
work
Travel drive fuse defective
(Fuse in the electrical box)
Check potentiometer, cables
connectors;
replace if necessary
ing
-specific) defective
Electro-hydraulic servo unit of
the pump defective
Insufficient supply pressure
Check and adjust if necessary
Check the suction filter; replace
the
supply pump and the filter if
Drive shaft of hydraulic pumps or
engines broken
,
engine stop function
does not work
Check the fuel level;
refill fuel if necessary
"engine speed control"
(line break or short circuit)
Check potentiometer, cables
connectors; replace if necessary