Troubleshooting; Malfunctions On The Engine; Malfunctions On The Main Hoist/Auxiliary Hoist - Manitowoc Grove GMK4100L-1 Operating Manual

14.4
14.4.1
H
Malfunction
Engine does not start –
Starter does not turn
Symbol red
14.4.2
Malfunction
Main hoist not working or
malfunctioning
Only the lifting function
works
Operating manual
GMK4100L-1

Troubleshooting

Malfunctions on the engine

Observe all specifications in the section Malfunctions on the engine ;
à
p. 8 - 19.
Ignition switched on in the
driver's cab
Engine malfunction

Malfunctions on the main hoist/auxiliary hoist

Main hoist off, lamp in button
lights up dimly
Dead man's switch not
actuated
Emergency stop switch on
Control unit fuse blown
Control unit faulty, error mes-
sage is displayed
Lowering limit switch
approached
Cause
Cause
3 302 690 en
Malfunctions during crane operation
14.4 Troubleshooting
Solution
Switch off the ignition in
the driver's cab;
à
p. 10 - 1
à
Malfunctions on the
engine , p. 8 - 19
Solution
à
Switching on the main
hoist , p. 11 - 76,
à
Switching on the
auxiliary hoist , p. 11 - 79
Press dead man's switch
à
Resetting the emergency
stop switch , p. 4 - 19
Replace the blown fuse;
à
p. 14 - 73
Acknowledge error mes-
à
sage once; p. 14 - 7 – if
error persists, notify
Manitowoc Crane Care
Leave the shutdown
range and raise the hoist.
s
14 - 13