Manitowoc GROVE GMK3060 User Manual

Malfunctions during crane operation
14.4 Troubleshooting
14 - 18 3 302 819 en Operating manual
GMK3060
13.12.2018
14.4.5 Malfunctions in the derricking gear
Malfunction Cause Solution
Derricking gear not
working or malfunctions
Derricking gear off, lamp in
button lights up dimly
Switch on the derricking
gear;
à p. 11 - 91.
Dead man's switch not actuated Press the dead man's
switch.
Emergency stop switch
engaged
à Resetting the emergency
stop switch, p. 4 - 20
Control unit fuse blown Replace blown fuse;
à p. 14 - 71.
Control unit faulty, error mes-
sage is displayed
Acknowledge error mes-
sage once;
à p. 14 - 8 –
if error persists, notify
Manitowoc Crane Care
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 - 62
Control unit fuse blown Replace blown fuse;
à p. 14 - 71.
Derricking function not
working
Function disabled by CCS If required, acknowledge
error message once and
briefly switch off the ignition
– it if occurs again, notify
Manitowoc Crane Care
Control unit fuse blown Replace blown fuse;
à p. 14 - 71.
Derricking not possible,
or only at low speed
Speed limited Increase the limit;
à p. 11 - 131.
Derricking cannot be
switched off
CCS malfunction Emergency stop switch;
à p. 14 - 1
No response to control
lever movements
CCS malfunction for operating
elements in the crane cab
Unrig using hand-held
control;
à p. 14 - 43

Manitowoc GROVE GMK3060 Specifications

General

Brand	Manitowoc
Model	GROVE GMK3060
Category	Construction Equipment
Language	English