Manitowoc GROVE GMK 6400

Malfunctions in driving mode
7.7 Troubleshooting
7 - 34 3 112 993 en Operating manual GMK 6400
12.07.2013
7.7.9 Malfunctions on the suspension
7.7.10 Malfunctions on the level adjustment system
Malfunction Cause Remedy
Suspension cannot be acti-
vated
Current speed over approx.
5 km/h (3 mph)
Slow down or stop the truck
crane
Compressed air system insuf-
ficiently filled
à Building supply pressure,
p. 5 - 9
Suspension cannot be
switched on or off
Fuses F1/5, F2/1, F4/6, F5/4
blown
Replace blown fuse;
à p. 7 - 20
Error symbol is displayed ECOS malfunction Read out error messages
(
à p. 7 - 35) and notify
Manitowoc Crane Care
Malfunction Cause Remedy
Level adjustment system not
working
Suspension switched off
à Switching on the suspension,
p. 5 - 15
Fuses F1/5, F2/1, F4/6, F5/4
blown
Replace blown fuse;
à p. 7 - 20
Error symbol is displayed ECOS malfunction Read out error messages
(
à p. 7 - 35) and notify
Manitowoc Crane Care