Malfunctions in driving mode
7.3 Warning and error messages
7 - 12 3 302 633 en Operating Instructions GMK5250L
27.09.2017
AdBlue (DEF) – Filling level
AdBlue (DEF) – top up the reservoir;
à p. 4 - 9.
Replace the hydraulic oil filter
• Replace the corresponding hydraulic oil filter as quickly as possible;
à Maintenance Manual.
Hydraulic oil too hot
The hydraulic oil temperature is higher than 80 °C (176 °F).
Current temperature display;
à p. 4 - 16.
Possible cause and solution;
à p. 7 - 23.
Oil pressure too low
A warning buzzer sounds at the same time.
• Stop the truck crane as quickly as possible while observing the traffic
situation and switch off the engine.
• Check the oil level; à Maintenance Manual.
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;
à Releasing the air intake
inhibitor
, p. 4 - 23.
S
Danger of overheating!
There is a fault if the hydraulic oil temperature exceeds 80 °C (176 °F).
Stop the truck crane as soon as possible and try to find the cause.
Stop the truck crane immediately and turn off the vehicle engine if the
temperature of the hydraulic oil rises to over 100 °C (212 °F)!
S
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!
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