Manitowoc Grove GMK4100L-1 Operating Manual page 368

Malfunctions in driving mode
8.3 Warning and error messages
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AdBlue tank level too low
Refill the AdBlue tank;
Replace hydraulic oil filter
Replace the corresponding hydraulic oil filter as soon as possible;
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Maintenance manual .
Hydraulic oil too hot
The hydraulic oil temperature is higher than 80 °C (176 °F).
Display of the current temperature;
Possible cause and remedy;
Danger of overheating
There is a fault if the hydraulic oil temperature exceeds 80 °C (176 °F). Stop
the truck crane at the next opportunity and try to find the cause.
Stop the truck crane immediately and switch off the engine if the
temperature of the hydraulic oil rises to over 100 °C (212 °F).
Oil pressure too low
A warning buzzer sounds at the same time.
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Stop the truck crane as quickly as possible while observing the traffic
situation and switch off the engine.
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Check the oil level;
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If the oil level is correct then start the engine and check the warning
messages that are present.
Risk of damage to the engine if the oil pressure drops
Switch off the engine as soon as possible and look for the cause if the lamp
lights up or the warning buzzer sounds.
Never restart the engine before you have found the cause and eliminated
the problem.
Air intake inhibitor triggered
The air intake inhibitor was triggered because the maximum permissible
engine speed was exceeded. It is only possible to start the engine after the
air intake inhibitor has been released manually;
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p. 4 - 7.
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p. 4 - 17.
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p. 8 - 26.
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Maintenance manual .
3 302 690 en
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p. 4 - 20.
Operating manual
GMK4100L-1