Malfunctions in driving mode
8.3 Warning and error messages
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GMK4090
xx.xx.xxxx
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.