Malfunctions during crane operation
14.5 Emergency operations and programs
Operating Manual GMK6300L 3 112 xxx en 14 - 59
xx.xx.xxxx
 14.5.4             Emergency operation with the hand-held control
If the power units no longer respond to the operating elements in the crane 
cab, you can operate the power units with the hand-held control. 
Operating them with the hand-held control is intended for emergencies only 
and for bringing the truck crane into a safe state or to shut it down. 
Preparations You have to connect up the hand-held control and start the engine.
Connecting the hand-held control
• Connect the hand-held control to the 
connector (1).
All power units can be operated from this 
connection.
Information on connecting; 
à p. 12 - 21. 
Start the engine
• Press the (1) button once – the engine starts; à p. 10 - 19. 
s
G
Danger of overturning due to deactivated monitoring function!
The RCL is switched off and the crane operations are not monitored when 
operating with the hand-held control. If you move into a critical range, the 
truck crane will overturn.