User Manual
19
6. Trouble shooting
In case of any improper operation or LMI malfunction during the crane’s operation it will display some
certain code (error code) for the user’s information. Some errors are caused by illegal operation, some
by people’s cause ad some are caused by other factors.
The following codes can be an aid and help for how to use and maintenance the LMI system:
Error
code
Malfunction Cause Solution
E01
Fallen below the radius
range or angle range
exceeded
Due to the too much hoist up of
the boom which result in lower
than the min. radius or exceed the
max. angle in the capacity chart.
Boom down to a permitted radius
or angle in the load chart.
E02
Exceed the max. radius or
lower than the min. angle.
Due to the too much hoist down
which result in exceed the max.
radius or lower than he min.
angle.
Boom up to a permitted radius or
angle in the load chart.
E04
OM not exist or exceed the
motion of rotary range
Improper OM setting or enter into
prohibited slewing area
Properly choose the OM according
to actual operation and slew back
to a permitted range.
E05
Prohibited length range
Choose a main boom length that
is not exist.
Choose a proper main boom
length.
E06
Fallen below the Minimum
angle range when luffing
down or luffing up
The jib luffing down too much
result in the actual angle is lower
than the permitted value in the
capacity chart.
Luffing up the jib to a permitted
radius or angle in the capacity
chart
E07
Over load relay checking
Over load relay act and controller
switching value NO.20 input
channel open
Check the over load relay and
cable of the controller switching
value NO.20 input channel
Over load relay not act and
controller switching value NO.20
input channel close
Check the over load relay
Check the controller switching
value NO.20 input channel
Notice
If you cannot solve the problem according to the following contents,
please contact us as soon as possible at
Tel：021-51082780 Fax：021-52375899
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