Malfunctions in driving mode
7.4 Troubleshooting
7 - 18 3 302 633 en Operating Instructions GMK5250L
27.09.2017
Engine does not
start –
Starter turns
Batteries insufficiently charged Charge the batteries;
à Maintenance Manual
Fuel tank empty 1. Refuel;
à p. 4 - 7
2. Bleed the fuel system;
à Maintenance Manual
à Separate engine operating
instructions, provided by the
manufacturer
Air intake inhibitor closed à Releasing the air intake
inhibitor
, p. 4 - 23
Fuse F4/6 blown Replace blown fuses;
à p. 7 - 38
The truck crane
cannot exceed
20 km/h (12 mph)
A locking procedure is not yet
completed
Lock the differential locks or
steering
Coolant tempera-
ture too high
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 operating
instructions, provided by the
manufacturer
Engine cannot be
switched off using
the ignition key
Malfunction in the electronics Turn off the engine with the-
emergency-stop device;
à p. 7 - 1
Motor brake
(engine retarder)
cannot be
switched on
Fuse F4/1 blown Replace blown fuses;
à p. 7 - 38
Engine/transmis-
sion diagnostics
plug not working
Fuse F1/2, F4/7 blown Replace blown fuses;
à p. 7 - 38
The engine per-
formance is
reduced
The coolant is too hot or
another malfunction.
The engine is not switched off
in order to drive on to the next
place where it is possible to
stop
Coolant too hot:
Wait until the coolant has
cooled down – the performance
will increase again
Other malfunctions:
Manitowoc Crane Care must be
notified
Malfunction Cause Remedy
To Next Page
Loading...
Need help?
General
