JLG 1250AJP Service Manual - Manual (Page 523)

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-91
8426 84 26 TOWER LENGTH SENSOR #2 - OUT OF RANGE HIGH Tower Boom Angle Sensor
#2 out of range high. - Envelope Control equipped
vehicles only.
-1250
8427 84 27 TOWER LENGTH SENSOR #2 - OUT OF RANGE LOW Tower Boom Angle Sensor
#2 out of range low. - Envelope Control equipped
vehicles only.
-1250
8428 84 28 TOWER ANGLE SENSOR #1 - INVALID ANGLE Tower Boom Angle Sensor
#1 out of range. - Envelope Control equipped
vehicles only.
-1250
8429 84 29 TOWER ANGLE SENSOR #2 - INVALID ANGLE Tower Boom Angle Sensor
#2 out of range. - Envelope Control equipped
vehicles only.
-1250
8430 84 30 TOWER ANGLE SENSOR #1 - INVALID MODEL Wrong Tower Boom Angle
Sensor #1 installed. - Envelope Control equipped
vehicles only.
- 1250AJP Only
- Must be a Rieker Sensor,
not a Spectron Sensor.
8431 84 31 TOWER ANGLE SENSOR #2 - INVALID MODEL Wrong Tower Boom Angle
Sensor #2 installed. - Envelope Control equipped
vehicles only.
- 1250AJP Only
- Must be a Rieker Sensor,
not a Spectron Sensor.
8432 84 32 MAIN ANGLE SENSOR #1 - INVALID ANGLE Main Boom Angle Sensor
#1 out of range. - Envelope Control equipped
vehicles only.
-1250
8433 84 33 MAIN ANGLE SENSOR #2 - INVALID ANGLE Main Boom Angle Sensor
#2 out of range. - Envelope Control equipped
vehicles only.
-1250
8434 84 34 MAIN ANGLE SENSOR - NOT DETECTING ANGLE
CHANGE The Main Boom Angle
Sensor is not changing dur-
ing a main lift command. - Envelope Control equipped
vehicles only.
-1250
8435 84 35 MAIN ANGLE MOVEMENT WITHOUT CMD The Main Boom Angle
Sensor is changing without
a main lift command. - Envelope Control equipped
vehicles only.
-1250
8436 84 36 WRONG TOWER TELESCOPE RESPONSE Tower telescope is moving
in the opposite direction of
the command. - Envelope Control equipped
vehicles only.
-1250
8437 84 37 WRONG TOWER LIFT RESPONSE Tower lift is moving in the
opposite direction of the
command. - Envelope Control equipped
vehicles only.
-1250
8438 84 38 TOWER CYLINDER ANGLE SENSOR - OUT OF RANGE
HIGH The Tower Cylinder Angle
Sensor is < 4721 A/D
counts. - Envelope Control equipped
vehicles only.
-1250
8439 84 39 TOWER CYLINDER ANGLE SENSOR - OUT OF RANGE
LOW The Tower Cylinder Angle
Sensor is > 29535 A/D
counts. - Envelope Control equipped
vehicles only.
-1250
8440 84 40 TOWER CYLINDER ANGLE SENSOR - NOT DETECTING
CHANGE The Tower Cylinder Angle
Sensor is not changing dur-
ing a tower lift command. - Envelope Control equipped
vehicles only.
-1250
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence Fault Message Fault Description Check