Swing-away lattice
3.6 Finding and eliminating malfunctions
Lattice extension operating instructions 3 112 441 en 3 - 95
GMK 4100/4100-L/5095
11.01.2008
3.6 Finding and eliminating malfunctions
Malfunction Cause Remedy
Lifting limit switch switches
off (lamp
N is on)
Lifting limit switch not con-
nected
Connect the lifting limit
switch; à p. 3 - 68.
The connection for the lifting
limit switch on the main boom
head is not overridden.
A second lifting limit switch is
connected to the main boom
and is not disabled.
Override the lifting limit
switch on the main boom
head;
à p. 3 - 68.
For 10 m (33 ft):
Electrical connection between
main boom head and
section 1 is not established.
The bridging plug is not
inserted in the socket to the
front of section 1.
Establish the electrical con-
nection;
à p. 3 - 61.
Insert the bridging plug;
à p. 3 - 62.
For 17 m (56 ft):
Electrical connection between
main boom head and
section 1 is not established.
Establish the electrical con-
nection;
à p. 3 - 63.
Electrical connection between
section 1 and section 2 is not
established.
Establish the electrical con-
nection;
à p. 3 - 63.
The main boom cannot be
telescoped with the rigged
lattice extension
The main boom is at an
impermissible angle.
Derrick the main boom to the
required angle;
à p. 3 - 90.
The lattice extension cannot
be derricked
Derricking gear of the lattice
extension is switched off
Switch on the derricking gear
of the lattice extension;
à p. 3 - 3.
The electrical connection has
been undone.
Establish the electrical con-
nection;
à p. 3 - 61.
The hydraulic connection has
been disconnected.
Establish the hydraulic con-
nection;
à p. 3 - 35.
The specified SLI code does
not apply to operation with
the lattice extension.
Enter the SLI code for opera-
tion with the lattice extension;
à p. 3 - 87.
Current load greater than der-
ricking load –
Lower lattice
extension
movement disabled.
SLI error code 5 02 6 is dis-
played.
1. Raise the lattice extension.
2. Press the
P button once.
3. If necessary, increase the
working radius with the
Lower main boom movement.
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