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Malfunctions during crane operation
14.4 Troubleshooting
14 - 20
3 112 993 en
Operating manual GMK 6400
1
2
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7.
201
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14.4.8
Malfunctions in the hydraulic system/hydraulic oil cooler
14.4.9
Malfunctions when inclining the crane cab
14.4.10
Malfunctions when operating with the hand-held control
Malfunction
Cause
Solution
Hydraulic oil temperature
above 80°C (176°F), fan in the
hydraulic oil cooler running
Hydraulic system is under
extreme strain
Stop the crane operation and
keep the engine running until
the oil has cooled down
Hydraulic oil temperature
above 80°C (176°F), fan in the
hydraulic oil cooler not run-
ning
Fuse F1/7, F1/8 blown.
Stop crane operation and
replace blown fuse;
Faulty temperature sensor in
the circuit of the hydraulic
system, error message is dis-
played
Have the temperature sensor
replaced
Symbol
g
is red
Corresponding hydraulic oil
filter soiled
Change hydraulic oil filter;
à
Maintenance manual
Malfunction
Cause
Solution
Crane cab inclination function
not working
Fuse F1/1, F1/7 blown
Replace blown fuse;
Mega Wing Lift in rigging
position
End rigging;
à
Separate oper-
ating manual
Malfunction
Cause
Solution
CAN lamp flashes or stays off
after connecting the hand-
held control
A bridging plug is not inserted
in another socket
Insert bridging plug;
Fuse F2/6 blown
Replace blown fuse;
Motor will not start
Ignition in the driver's cab
switched on
Switch off the ignition in the
driver's cab;
Pre-selected function cannot
be performed
Another function has been
pre-selected
Pre-select the desired function
Operation not possible
Malfunction in the control sys-
tem
Manitowoc Crane Care
must
be notified
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 ...
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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 ...
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