Manitowoc Grove GMK6300L User Manual

Malfunctions during crane operation
14.4 Finding and eliminating malfunctions
Operating Manual GMK6300L 3 112 xxx en 14 - 19
xx.xx.xxxx
Telescoping
mechanism error
messages
If ECOS disables the telescoping mechanism, the following display is shown
in the
Telescoping submenu.
– All the symbols (3) for operation disappear –
the corresponding buttons are disabled.
– The display (1) appears.
– An error code (2) is indicated.
• Always note this error code before
contacting Manitowoc Crane Care.
The display (1) shows the symbol for the
current status:
s
Telescoping function not
working
Function disabled by ECOS If necessary, acknowledge
error once and briefly turn off
the ignition – if error persists,
notify Manitowoc Crane Care
Fuse RCL F6 faulty Replace the blown fuse;
à p. 14 - 12
Fuse F3/3 blown Replace the blown fuse;
à p. 14 - 9
Telescoping not possible, or
only at low speed
Speed limited Increase limit;
à p. 11 - 105
Telescoping cannot be
switched off
ECOS malfunction Emergency stop switch;
à p. 14 - 1
The main boom can no longer
be telescoped; the telescop-
ing cylinder can no longer
be moved
The hydraulic supply is inter-
rupted
Retract the telescopic section
by means of mechanical
emergency operation;
à p. 14 - 42
No response to control lever
movements
ECOS malfunction concerning
operating elements in the
crane cab
Unrig using hand-held
control;
à p. 14 - 59
Malfunction Cause Remedy

Manitowoc Grove GMK6300L Specifications

General

Brand	Manitowoc
Model	Grove GMK6300L
Category	Construction Equipment
Language	English