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7.2 WHEN THESE PHENOMENA HAPPEN
• Make sure that you contact our sales service agent for the actions marked with in the table.
• Ask our sales service agency for repair if you suspect any other abnormalities or causes than those
given below.
[1] When fly jib is not attached to vehicle body
Abnormal Phenomenon Major cause(s) Remedy
Monitor display switched to fly
jib mode
• Incorrect setting change
Change setting
[2] Fly jib is attached to vehicle body and stowed (fly jib mode)
Abnormal Phenomenon Major cause(s) Remedy
“1 or 2” is shown as the number
of fly jib boom sections, instead
of “R”
• Malfunction of stowage limit
switch
• Defective wiring
Check limit switch and
replace
Check for disconnected wire
and repair
“Fly jib length and fly jib angle”
is shown
“Boom/fly jib operation selector
switch” is shown
[3] When fly jib is attached to vehicle body and extended (fly jib mode)
Abnormal Phenomenon Major cause(s) Remedy
“R” is shown as the number of
fly jib boom sections, instead of
“1 or 2”
• Out of place connector, not
exchanged
• Malfunction of stowage limit
switch
• Defective wiring
• Check connector condition
Check limit switch and
replace
Check for disconnected wire
and repair
“Mode selector switch” is
shown
Wiring error shown on monitor
• Out of place connector, not
exchanged
• Check connector condition
Monitor display does not switch
to fly jib mode
• Incorrect setting change
Change setting
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