Manitowoc Grove GMK6300L User Manual

Malfunctions during crane operation
14.4 Finding and eliminating malfunctions
Operating Manual GMK6300L 3 112 xxx en 14 - 17
xx.xx.xxxx
14.4.6 Malfunctions on the derricking gear
Malfunction Cause Remedy
Derricking gear not working
or malfunctions
Derricking gear off, lamp in
button lights up dimly
Switching on the derricking
gear;
à p. 11 - 62
Dead man's switch not
actuated
Press the dead man's switch.
Emergency stop switch
engaged
à Resetting the emergency stop
switch
, p. 4 - 24
Fuses F1/1, F1/2, F2/2,
F2/3, F3/1, F3/2, F3/5, F3/6
blown
Replace the blown fuse;
à p. 14 - 5
Fuse blown on circuit board Replace the blown fuse;
à p. 14 - 7
Control unit faulty, error
message is displayed
Acknowledge error message
once;
à p. 14 - 36 – if
error persists, notify
Manitowoc Crane Care
Fuse F3/7 blown Replace the blown fuse;
à p. 14 - 6
Lowering function not
working
Lifting limit switch
approached, lamp
# lights up
Leave the shutdown range
and lower the auxiliary hoist
RCL shutdown, lamp
+ lights
up
Leave the shutdown range;
à p. 11 - 37
Fuse F3/3 blown Replace the blown fuse;
à p. 14 - 9
Derricking 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
Derricking not possible,
or only at low speed
Speed limited Increase limit;
à p. 11 - 105
Derricking cannot be
switched off
ECOS malfunction Emergency stop switch;
à p. 14 - 1
No response to control
lever movements
ECOS malfunction concerning
operating elements in the
crane cab
Unrig using hand-held
control;
à p. 14 - 59

Manitowoc Grove GMK6300L Specifications

General

Brand	Manitowoc
Model	Grove GMK6300L
Category	Construction Equipment
Language	English