Malfunctions during crane operation
14.3 Warning and error messages
Operating Instructions GMK5250L 3 302 633 en 14 - 5
27.09.2017
Filling up
The fuel tank is filled only to a level of approx. 5%.
• Refuel before the fuel is used up; à p. 4 - 7.
If the fuel tank is almost empty, air will be sucked in and you will have to
bleed the fuel system;
à Maintenance Manual.
Hydraulic oil too hot
The hydraulic oil is hotter than 80 °C (176 °F).
Current temperature display;
à p. 9 - 6.
Possible cause and solution;
à p. 14 - 21.
Replace the hydraulic oil filter
• Replace the corresponding hydraulic oil filter as quickly as possible;
à Maintenance Manual.
Slewing gear brake too hot
• Stop crane operation as soon as possible and let the slewing gear brake
cool down.
Anemometer not connected
• Electrically connect the anemometer; à p. 11 - 126.
Voltage monitoring
The voltage in the electrical system is too high or too low.
Current voltage display;
à p. 9 - 6.
Air intake inhibitor triggered
It is only possible to start the engine after the air intake inhibitor has been
released manually;
à p. 4 - 23.
s
S
Danger of overheating!
There is a fault if the hydraulic oil temperature exceeds 80 °C (176 °F).
Set down the load as soon as possible and try to find the cause.
Set down the load as soon as possible and turn off the engine if the
temperature of the hydraulic oil exceeds 100 °C (176 °F)!
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