Service Manual Manual

SECTION 6 - JLG CONTROL SYSTEM
3121142 – JLG Lift – 6-99
849 84 9 BOOM ANGLE SENSOR #1 - COMMUNICATIONS FAULT Boom Angle Sensor #1 commu-
nications lost.
- Envelope Control equipped vehi-
cles only.
8410 84 10 BOOM ANGLE SENSOR #2 - COMMUNICATIONS FAULT Boom Angle Sensor #2 commu-
nications lost.
- Envelope Control equipped vehi-
cles only.
8411 84 11 BOOM ANGLE SENSOR #1 - INVALID ANGLE Boom Angle Sensor #1 out of
range.
- Envelope Control equipped vehi-
cles only.
8412 84 12 BOOM ANGLE SENSOR #2 - INVALID ANGLE Boom Angle Sensor #2 out of
range.
- Envelope Control equipped vehi-
cles only.
8413 84 13 WRONG TELESCOPE RESPONSE Boom telescope is moving in the
opposite direction of the com-
mand.
- Envelope Control equipped vehi-
cles only.
8414 84 14 WRONG LIFT RESPONSE Boom lift is moving in the oppo-
site direction of the command.
- Envelope Control equipped vehi-
cles only.
8415 84 15 TOWER ANGLE SENSOR DISAGREEMENT There is a disagreement
between the Tower Angle Sen-
sors.
- Envelope Control equipped vehi-
cles only.
-1250
8416 84 16 TOWER LENGTH SENSOR DISAGREEMENT There is a disagreement
between the Tower Length Sen-
sors.
- Envelope Control equipped vehi-
cles only.
-1250
8417 84 17 MAIN ANGLE SENSOR DISAGREEMENT There is a disagreement
between the Main Boom Angle
Sensors.
- Envelope Control equipped vehi-
cles only.
-1250
8418 84 18 TOWER LENGTH SENSOR #1 - OUT OF RANGE HIGH Tower Boom Angle Sensor #1
out of range high.
- Envelope Control equipped vehi-
cles only.
-1250
8419 84 19 TOWER LENGTH SENSOR #1 - OUT OF RANGE LOW Tower Boom Angle Sensor #1
out of range low.
- Envelope Control equipped vehi-
cles only.
-1250
8420 84 20 TOWER LENGTH SENSOR #2 - OUT OF RANGE HIGH Tower Boom Angle Sensor #2
out of range high.
- Envelope Control equipped vehi-
cles only.
-1250
8421 84 21 TOWER LENGTH SENSOR #2 - OUT OF RANGE LOW Tower Boom Angle Sensor #2
out of range low.
- Envelope Control equipped vehi-
cles only.
-1250
8422 84 22 TOWER LENGTH SENSOR - NOT DETECTING LENGTH CHANGE The Tower Length Sensor is not
changing during a tower tele-
scope command.
- Envelope Control equipped vehi-
cles only.
-1250
8423 84 23 TOWER LENGTH MOVEMENT WITHOUT COMMAND The Tower Length Sensor is
changing without a tower tele-
scope command.
- Envelope Control equipped vehi-
cles only.
-1250
8424 84 24 TOWER LENGTH SENSOR #1 - OUT OF RANGE HIGH Tower Boom Angle Sensor #1
out of range high.
- Envelope Control equipped vehi-
cles only.
-1250
8425 84 25 TOWER LENGTH SENSOR #1 - OUT OF RANGE LOW Tower Boom Angle Sensor #1
out of range low.
- Envelope Control equipped vehi-
cles only.
-1250
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check