Malfunctions Of The Outriggers; Malfunctions When Raising The Axles - Manitowoc Grove GMK 5250L Operating Instructions Manual

Malfunctions during crane operation
14.4 Finding and eliminating malfunctions
14.4.12
Malfunction
Outrigger cylinders and
beams can neither be
extended nor retracted and
the inclination indicator does
not work
When operating with the
hand-held control
When operating from the
crane cab
When operating from the
control units
None of the specified causes
apply
14.4.13
Malfunction
The menu cannot be opened
Operating elements not
working
Operating elements not
working
14 - 22

Malfunctions of the outriggers

Driver's cab: Fuses A3F3,
A3F13, A3F14 blown
Slewing gear switched on
Driver's cab: Fuse A2F3 blown
Hand-held control connected
to the superstructure or a
bridging plug not inserted
Display fields switched off.
Hand-held control connected
to the superstructure or a
bridging plug not inserted
Solenoid valves not working

Malfunctions when raising the axles

Suspension is switched on
Outrigger menu open
Maximum permissible pres-
sure exceeded
Cause
Cause
3 302 633 en
Remedy
Replace blown fuses;
à
p. 7 - 38.
Switch off the slewing gear;
à
p. 10 - 119
Replace the blown fuse;
à
p. 7 - 38.
Disconnect hand-held control
or insert bridging plug;
à
p. 11 - 22.
Switch on display fields;
à
p. 11 - 41
Disconnect hand-held control
or insert bridging plug;
à
p. 11 - 22
Manitowoc Crane Care
notified
Remedy
Switching off the suspension;
à
p. 5 - 15
Open the Raise axle menu;
à
p. 11 - 63
Re-align the truck crane to
à
relieve the load;
Operating Instructions GMK5250L
must be
p. 12 - 7