Manitowoc GROVE GMK5150L

Malfunctions during crane operation
14.4 Troubleshooting
Operating manual 3 302 709 en 14 - 15
GMK5150L
12.01.2018
14.4 Troubleshooting
14.4.1 Malfunctions on the engine
H
Observe all specifications in the section Malfunctions on the engine;
à p. 8 - 19.
14.4.2 Malfunctions on the main hoist/auxiliary hoist
Malfunction Cause Solution
Engine does not start –
Starter does not turn
Ignition switched on in the
driver's cab
Switch off the ignition in the
driver's cab;
à p. 10 - 1
Symbol red Engine malfunction
à Malfunctions on the engine,
p. 8 - 19
Malfunction Cause Solution
Main hoist not working or
malfunctioning
Main hoist off, lamp in but-
ton lights up dimly
à Switching on the main
hoist
, p. 11 - 76, à Switching
on the auxiliary hoist
,
p. 11 - 79
Dead man's switch not
actuated
Press dead man's switch
Emergency stop switch on
à Resetting the emergency
stop switch
, p. 4 - 19
Control unit fuse blown Replace the blown fuse;
à p. 14 - 75
Control unit faulty, error
message is displayed
Acknowledge error message
once;
à p. 14 - 8 – if
error persists, notify
Manitowoc Crane Care
Only the lifting function
works
Lowering limit switch
approached
Leave the shutdown range
and raise the hoist.
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