Malfunctions In The Transmission - Manitowoc Grove GMK6300L Operating Manual

Malfunctions in driving mode
7.6 Troubleshooting
7.6.3
Malfunction
Transmission only shifts up to
second gear
Transmission is not upshift-
ing at speeds over approx.
20 km/h (12 mph)
Transmission not shifting
The transmission does not
respond to the controls
A
Symbol is red
The transmission display
shows a malfunction
Transmission diagnostics
plug not working
7 - 30

Malfunctions in the transmission

Transmission oil too hot
Transmission oil colder than
approx. -7 °C (20 °F)
A locking procedure is not yet
completed
Retarder switched on
Fuse F1/6 blown
Transmission cannot shift
down as otherwise the maxi-
mum permissible engine
speed would be exceeded.
The electronic gear system
has detected a malfunction
Fuse F1/2, F4/7 blown
Cause
3 112 xxx en
Remedy
à
On the transmission , p. 7 - 7
Wait until transmission oil
temperature rises
Lock the differential locks
à
Switching off the additional
brakes , p. 5 - 46
Replace blown fuses;
à
p. 7 - 19
Slow down the truck crane
until the symbol goes out
à
Malfunctions in the
transmission , p. 7 - 40
Replace blown fuses;
à
p. 7 - 19
Operating Manual GMK6300L