JLG G12-55A AccuPlace Service Manual User Manual
Page 220

Electrical System
9.102
G10-55A & G12-55A AccuPlace
BOOM LENGTH
SENSOR – OUT
OF RANGE LOW
8459
Absolute Telescope Length
less than 218 counts (approx
1”) for more than 2 seconds.
Y
Check that sensor is securely mounted
and not damaged. Verify all hardware is
tight. Extend boom through range to verify
Tele Length tracks smoothly via Analyzer
under Diagnostics/Boom Components.
If tracking appears to be slightly off,
calibrate boom length sensor. Refer to
Section 9.15.5, “Calibrations.”
BOOM LENGTH
SENSOR – OUT
OF RANGE HIGH
8460
Absolute Telescope Length
greater than 65098 counts
(approx 298”) for more than
2 seconds.
Y
Check that sensor is securely mounted
and not damaged. Verify all hardware is
tight. Extend boom through range to verify
Tele Length tracks smoothly via Analyzer
under Diagnostics/Boom Components.
If tracking appears to be slightly off,
calibrate boom length sensor. Refer to
Section 9.15.5, “Calibrations.”
FORK POSITION
SENSOR – OUT
OF RANGE LOW
8461
Calibrated Fork Angle less
than -120° for more than 2
seconds.
Y
A cylinder that has been bent or
undergone severe shock may exhibit this
error.
Cycle power to see if fault clears.
Move forks through range to verify Fork
Length tracks smoothly via Analyzer
under Diagnostics/Boom Components.
If tracking appears to be slightly off,
calibrate fork sensor. Refer to Section
9.15.5, “Calibrations.”
FORK POSITION
SENSOR – OUT
OF RANGE HIGH
8462
Calibrated Fork Angle
greater than +30° for more
than 2 seconds.
Y
A cylinder that has been bent or
undergone severe shock may exhibit this
error.
Cycle power to see if fault clears.
Move forks through range to verify Fork
Length tracks smoothly via Analyzer
under Diagnostics/Boom Components.
If tracking appears to be slightly off,
calibrate fork sensor. Refer to Section
9.15.5, “Calibrations.”
Help Message
1
DTC
Fault Condition
(for configurable items,
fault applies only if
configured)
Fault
Requires
AccuPlace
Reset?
Action(s)