Malfunctions during crane operation
14.5 Emergency operations and programmes
14 - 44 3 112 993 en Operating manual GMK 6400
12.07.2013
The emergency program is active if:
– The symbol (2) is displayed
– The display (1) is shown for about
360 seconds
The telescoping mechanism can be operated
with the emergency program within this time.
After this time has elapsed, the symbol (3)
appears and you need to restart the emer-
gency programme.
Determining type
of error
• Check which emergency program procedure is suitable for the current
error:
– If the display (1) shows no value, there is an
error on the length indicator.
– If a symbol (2) is violet, there is an error on
the proximity switch.
The buttons next to the symbols (3) are active.
After pressing the button, locking or unlocking
is performed immediately.
• Note the error code (4) first if you intend to
contact Manitowoc Crane Care before exe-
cuting the emergency programme.
G
Risk of damage to the telescoping mechanism
Ensure that you always have an overview of the current status of the tele-
scoping mechanism before you initiate locking or unlocking.
In emergency mode, there is no monitoring of prerequisites – the function
is performed immediately after pressing the button.
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