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Malfunctions during crane operation
14.4 Troubleshooting
14 - 22
3 302 690 en
Operating manual
GMK4100L-1
2
3
.1
1.
201
7
14.4.14
Malfunctions of the outriggers
14.4.15
Malfunctions on the turntable lock
Malfunction
Cause
Solution
Outrigger cylinders and
beams can neither be
extended nor retracted
and the inclination indica-
tor does not work
Control unit fuse blown
Replace blown fuses;
When operating from the
crane cab
– Hand-held control con-
nected to the superstructure
or a bridging plug not
inserted
– Parking brake not applied
– Slewing gear switched on
Disconnect hand-held
control or insert bridging
plug;
Lock the parking brake;
Switching the slewing
gear off;
When operating from the
control units
Display fields switched off
Switch on display fields;
Hand-held control connected
to the superstructure or a
bridging plug not inserted
Disconnect hand-held
control or insert bridging
plug;
None of the specified
causes apply
Solenoid valves are not
switching electrically
Inform
Manitowoc Crane
Care
Malfunction
Cause
Solution
Turntable locking or unlock-
ing function not working
Control unit fuse blown
Replace the blown fuse;
Summary of Contents for Grove GMK 4100L-1
Page 1: ...Operating manual 3 302 690 en 23 11 2017 ...
Page 6: ...16 01 2018 2 3 302 710 en Additional pages GMK4100L 1 Overview of Driving menu I ...
Page 8: ...16 01 2018 4 3 302 710 en Additional pages GMK4100L 1 Blank page ...
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Page 65: ...Operating manual 3 302 690 en GMK4100L 1 23 11 2017 15 15 Index ...
Page 66: ...3 302 690 en Operating manual GMK4100L 1 23 11 2017 ...
Page 68: ...Overview 1 1 Accidents 1 2 3 302 690 en Operating manual GMK4100L 1 23 11 2017 Blank page ...
Page 72: ...Overview 1 4 Terms used 1 6 3 302 690 en Operating manual GMK4100L 1 23 11 2017 Blank page ...
Page 996: ...Index 15 2 3 302 690 en Operating manual GMK4100L 1 23 11 2017 Blank page ...
Page 1014: ...Index Operating manual 3 302 690 en 15 20 GMK4100L 1 23 11 2017 Blank page ...
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