Manitowoc Grove GMK4100L-1 Operating Manual page 366

Malfunctions in driving mode
8.3 Warning and error messages
8 - 12
The maximum permissible operating temperature of the clutch has been
reached.
•
Shift to a lower gear for manoeuvring or starting.
or
•
stop the manoeuvring or starting procedure.
The oil temperature of the fluid coupling is too high.
•
Shift to a lower gear – the engine speed increases and the dry clutch
closes.
The oil temperature of the retarder is too high.
•
Shift to a lower gear – the engine speed increases and the engine braking
effect increases.
3 302 690 en Operating manual
GMK4100L-1