Manitowoc GROVE GMK4090 User Manual

Malfunctions in driving mode
8.4 Troubleshooting
8 - 20 3 302 736 en Operating manual
GMK4090
xx.xx.xxxx
H
Further information; à Warning messages on the CCS display, p. 8 - 13.
The truck crane drives at a
maximum of 20 km/h
(12 mph)
A locking procedure is not yet
completed
Lock the differential locks
or steering
Coolant temperature too
hot – the symbol is dis-
played.
Coolant level too low Top up coolant;
à Maintenance manual
Oil level in the transmission
too low
Check the oil level;
à Maintenance manual
Outer surface of heat
exchanger dirty
Clean the heat exchanger
V-belt of coolant pump at
engine loose
Tighten V-belt;
à Separate engine operat-
ing instructions, provided by
the manufacturer
Engine oil pressure is too
low – the symbol is dis-
played
Engine oil level too low Check oil level, top up if
necessary;
à Maintenance manual.
Engine cannot be
switched off using the
ignition key
Malfunction in the electronics Switch off the engine with
the emergency stop
device;
à p. 8 - 1
Engine/transmission
diagnostics plug not
working
Fuse F1/5, F6/6 blown Replace blown fuses;
à p. 8 - 49
The engine power is
reduced and the engine
coolant temperature is
increased – the symbol is
displayed.
The motor output is reduced
due to an increase in the cool-
ant temperature.
Wait until the coolant has
cooled down and the
motor output increases
again
The symbol is displayed,
the engine output falls
continuously (coolant
temperature is too high)
Due to a malfunction, the
power is continuously
reduced. The engine is not
switched off however, in
order to drive on to the next
place where it is possible to
stop.
Inform
Manitowoc Crane
Care
Malfunction Cause Solution

Manitowoc GROVE GMK4090 Specifications

General

Brand	Manitowoc
Model	GROVE GMK4090
Category	Construction Equipment
Language	English