Manitowoc Grove GMK4100L-1 Operating Manual page 928

Malfunctions during crane operation
14.3 Warning and error messages
14 - 12
– Active working range limiter, maximum permissible slewing angle
reached
– Active working range limiter, maximum permissible working radius
reached
– Hoist rope travel limitation, upper or lower limit reached
– Hoist rope travel limitation, working radius or telescope status changed
If the described measures do not solve the problem, try to remedy the error
by switching off the ignition and switching it on again after about 15 seconds.
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GMK4100L-1