Operating elements for crane operation
8.2 Brief description of the operating elements
8 - 112 3 302 633 en Operating Instructions GMK5250L
27.09.2017
High speed monitoring for the hoists
Lift/lower the hoist display
Warning for lowering limit switch shutdown
Warning for lifting limit switch shutdown
Lifting limit switch override
–On: High-speed mode on
– Off: High-speed mode off
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– Symbol (1): Raise
– Symbol (2): Lower
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–Red: Lowering limit switch triggered – auxiliary hoist stop
–Grey: Lowering limit switch not triggered
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1–On: Lifting limit switch triggered – movements which
increase the load moment stops
1 – Flashing: Button (2) pressed
1 – Off: Lifting limit switch not triggered and not bridged
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2–Press: Shutdown functions of the lifting limit switch
bridged
–Lamp (1) flashes
– Buzzer tone sounds
– Enable crane movements (move the control lever
to the initial position if necessary)
2 – Release: Shutdown functions of the lifting limit switch not
bridged
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