Observe the following safety information for all maintenance work on the crane with ABUControl:

─     Switch off the mains switch. Secure the switch to ensure that it cannot be switch back on accidentally.

─     Open fuse isolating link in the crane panel. Secure fuse isolating link with padlock so that it cannot be accidentally closed again.

─     Use suitable lifting platforms and fall protection equipment.

─     Adequately cordon off the operating range around the lifting platform.

─     Switch off other cranes on the same crane track or cranes that are above or below the crane to be serviced. Secure the switches to ensure they cannot be turned back on accidentally. Other cranes could otherwise overturn the lifting platform or hit the crane to be serviced.

─     Notify personnel in the area that maintenance work will be performed.

─     Only trained electricians should work on the crane electrical system!

─     Even after the emergency stop button has been pressed, life-threatening high voltages are still present in the crane control and in the trolley control.

These safety instructions apply particularly to the crane with ABUControl:

─     Before working on the crane, disconnect the power line and wait at least 15 minutes until the voltage in the immediate circuits and the frequency converter has dissipated.

─     Do not open the frequency converter housing.