Dynapac Svedala Demag DF 115 P/D, Operation & Maintenance Manual

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D 4.5 34
D_4
.5_0
1_G
B.
fm
3
4
-3
4
Malfunction Cause: Remedy
Traction does not
work
Traction drive fuse
defective
Replace
(Fuse holder on the operating
panel)
Power supply is interrupted
Check potentiometer, cables,
connectors; 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 and adjust if necessary
Check the suction filter; replace
the supply pump and the filter if
necessary
Drive shaft of hydraulic
pumps or engines broken
Replace pump or engine
Irregular engine
speed, engine stop
function does not
work
Fuel level too low
Check the fuel level; refill fuel if
necessary
Fuse ”engine speed
control” defective
Replace
(fuse strip on the operating
panel)
Defective power supply
cables (cables broken or
short-circuited)
Check potentiometer, cables,
connectors; replace if necessary