Manitowoc Grove GMK6300L User Manual

Malfunctions during crane operation
14.4 Finding and eliminating malfunctions
Operating Manual GMK6300L 3 112 xxx en 14 - 23
xx.xx.xxxx
14.4.9 Malfunctions in the counterweight hoist unit
Malfunction Cause Remedy
Counterweight hoist unit not
working
Emergency stop switch
engaged
à Resetting the emergency stop
switch
, p. 10 - 22
In the
Hoist submenu, the
symbol
Auxiliary hoist lock
display
lights up.
Mechanically lock the
auxiliary hoist correctly;
à Extending the locking
cylinders
, p. 6 - 99
Fuse F1/1, F1/7 Replace the blown fuse;
à p. 14 - 6
Control unit faulty, error mes-
sage is displayed
Acknowledge error message
once;
à p. 14 - 36 – if
error persists, notify
Manitowoc Crane Care
Function disabled by ECOS If necessary, acknowledge
error once and briefly turn off
the ignition – if error persists,
notify Manitowoc Crane Care
Error symbol (!) is displayed Electronics has identified an
error
Retract/extend lifting
cylinder not working
Superstructure in the
interme-
diate position
rigging range
Slew to
Move lifting cylinders
or
Lift/lower counterweight
position;
à p. 9 - 74
Extend lifting cylinder not
working
Superstructure outside of
rigging range
Slew into the rigging range
Counterweight rigged and
Move lifting cylinders position
reached
Slew to
Lift/lower counter-
weight
position
Counterweight unrigged and
Lift/lower counterweight posi-
tion reached
Slew to
Move lifting cylinders
position

Manitowoc Grove GMK6300L Specifications

General

Brand	Manitowoc
Model	Grove GMK6300L
Category	Construction Equipment
Language	English