Manitowoc GROVE GMK5150L

Malfunctions in driving mode
8.4 Troubleshooting
8 - 22 3 302 709 en Operating manual
GMK5150L
12.01.2018
8.4.3 Differential lock malfunctions
8.4.4 Transfer case malfunctions
Malfunction Cause Solution
Differential locks cannot be
switched on
Current speed above
about 5 km/h (3 mph)
Slow down or stop the truck
crane
Drive train under tension Slowly drive truck crane back
and forth,
à p. 5 - 51
Compressed air system
insufficiently filled
à Building up supply pressure,
p. 5 - 10
Control unit fuse blown Replace blown fuses;
à p. 8 - 49
Differential locks cannot be
switched off
Current speed above
about 5 km/h (3 mph)
Slow down or stop the truck
crane
Drive train under tension Slowly drive truck crane back
and forth,
à p. 5 - 51
Malfunction Cause Solution
Switching operations are not
conducted
Brake reservoir pressure
insufficient
à Building up supply pressure,
p. 5 - 10
Fuse has blown Replace blown fuses;
à p. 8 - 50
Error symbol is displayed CCS malfunction Read out error messages
(
à p. 8 - 17) and notify
Manitowoc Crane Care