Malfunctions during crane operation
14.4 Finding and eliminating malfunctions
14 - 22 3 302 633 en Operating Instructions GMK5250L
27.09.2017
14.4.12 Malfunctions of the outriggers
14.4.13 Malfunctions when raising the axles
Malfunction Cause Remedy
Outrigger cylinders and
beams can neither be
extended nor retracted and
the inclination indicator does
not work
Driver's cab: Fuses A3F3,
A3F13, A3F14 blown
Replace blown fuses;
à p. 7 - 38.
Slewing gear switched on Switch off the slewing gear;
à p. 10 - 119
When operating with the
hand-held control
Driver's cab: Fuse A2F3 blown Replace the blown fuse;
à p. 7 - 38.
When operating from the
crane cab
Hand-held control connected
to the superstructure or a
bridging plug not inserted
Disconnect hand-held control
or insert bridging plug;
à p. 11 - 22.
When operating from the
control units
Display fields switched off. Switch on display fields;
à p. 11 - 41
Hand-held control connected
to the superstructure or a
bridging plug not inserted
Disconnect hand-held control
or insert bridging plug;
à p. 11 - 22
None of the specified causes
apply
Solenoid valves not working
Manitowoc Crane Care must be
notified
Malfunction Cause Remedy
The menu cannot be opened Suspension is switched on Switching off the suspension;
à p. 5 - 15
Operating elements not
working
Outrigger menu open Open the Raise axle menu;
à p. 11 - 63
Operating elements not
working
Maximum permissible pres-
sure exceeded
Re-align the truck crane to
relieve the load;
à p. 12 - 7
To Next Page
Loading...
Need help?
General
