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Malfunctions during crane operation
14.4 Troubleshooting
Operating manual GMK 6400
3 112 993 en
14 - 17
1
2
.0
7.
201
3
Telescoping
mechanism error
messages
If ECOS disables the telescoping mechanism, the following display is shown
in the
Telescoping
submenu.
– All the symbols (
3
) for operation disappear –
the corresponding buttons are disabled.
– The display (
1
) appears.
– An error code (
2
) is indicated.
•
Always note this error code before contact-
ing
Manitowoc Crane Care
.
The display (
1
) shows the symbol for the cur-
rent status:
s
Telescoping function not
working
Function disabled by ECOS
If necessary, acknowledge
error once and briefly turn off
the ignition – if error persists,
notify
Manitowoc Crane Care
Fuse RCL F6 blown
Replace blown fuse;
Fuse F3/3 blown
Replace blown fuse;
Telescoping not possible, or
only at low speed
Speed limited
Increase limit;
Telescoping cannot be
switched off
ECOS malfunction
Emergency stop switch;
The main boom can no longer
be telescoped; the telescop-
ing cylinder can no longer be
moved
The hydraulic supply is inter-
rupted
Retract the telescopic section
by means of mechanical
emergency operation;
No response to control lever
movements
ECOS malfunction concerning
operating elements in the
crane cab
Unrig using hand-held con-
trol;
Malfunction
Cause
Solution
Summary of Contents for GROVE GMK 6400
Page 1: ...3 112 993 en 12 07 2013 Operating manual Part 1 Driving ...
Page 9: ...Correction sheet GMK6400 3 302 804 en 7 27 08 2018 Hook tackle Reeving A 1x ...
Page 10: ...27 08 2018 8 3 302 804 en Correction sheet GMK6400 Blank page ...
Page 12: ...06 06 2014 2 3 113 115 en Correction sheet GMK6400 Blank page ...
Page 18: ...22 01 2014 6 3 113 060 en Additional page GMK6400 Blank page ...
Page 26: ...3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 28: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 32: ...Overview 1 4 Terms used 1 4 3 112 993 en Operating manual GMK 6400 12 07 2013 1 4 Terms used ...
Page 34: ...Overview 1 4 Terms used 1 6 3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 64: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
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Page 383: ...Operating manual GMK 6400 3 112 993 en 12 07 2013 8 8 Index ...
Page 384: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 386: ...Index 8 2 3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
Page 404: ...Index 8 20 3 112 993 en Operating manual GMK 6400 12 07 2013 ...
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Page 407: ...3 112 993 en 12 07 2013 Operating manual Part 2 Crane operation ...
Page 415: ...Correction sheet GMK6400 3 302 804 en 7 27 08 2018 Hook tackle Reeving A 1x ...
Page 416: ...27 08 2018 8 3 302 804 en Correction sheet GMK6400 Blank page ...
Page 418: ...06 06 2014 2 3 113 115 en Correction sheet GMK6400 Blank page ...
Page 424: ...22 01 2014 6 3 113 060 en Additional page GMK6400 Blank page ...
Page 432: ...3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
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Page 937: ...Operating manual GMK 6400 3 112 993 en 12 07 2013 15 15 Index ...
Page 938: ...3 112 993 en Operating manual GMK 6400 12 07 2013 ...
Page 940: ...Index 15 2 3 112 993 en Operating manual GMK 6400 12 07 2013 Blank page ...
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