D 50
D F6C.GB 50-50 0504
Malfunction Cause Remedy
Traction does not
work
Traction drive fuse defective
Replace
(Fuse holder on the operating
panel)
Power supply interrupted
Check potentiometer, cables, con-
nectors; replace if necessary
Traction drive monitoring
(type-specific) defective
Replace
Electro-hydraulic servo unit
of the pump defective
Replace the servo unit
Insufficient supply pressure
Check the suction filter; replace
the supply pump and the filter if
necessary
Irregular engine
speed, engine stop
function does not
work
Fuel level too low
Check the fuel level; refill fuel if
necessary
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