JLG 1850SJ Service Manual User Manual
Page 357
SECTION 6 - JLG CONTROL SYSTEM
3121619
– JLG Lift –
6-75
MOMENT PIN - HORIZONTAL FORCE OUT OF RANGE
8
5
851
✔
✔
- -
✔
✔
MOMENT PIN - VERTICAL FORCE OUT OF RANGE
8
5
852
✔
✔
- -
✔
✔
LOAD PIN - HORIZONTAL FORCE OUT OF RANGE
8
5
853
- -
- -
✔
- -
- -
LOAD PIN - VERTICAL FORCE OUT OF RANGE
8
5
854
- -
- -
✔
- -
- -
MOMENT PIN - SENSOR FAULT
8
5
855
✔
✔
- -
✔
✔
LOAD PIN - SENSOR FAULT
8
5
856
- -
- -
✔
- -
- -
NEW MOMENT PIN DETECTED
8
5
857
✔
✔
- -
✔
✔
NEW LOAD PIN DETECTED
8
5
858
- -
- -
✔
- -
- -
LOAD PIN/TOWER LIFT CYLINDER ANGLE DISAGREEMENT
8
5
859
- -
- -
✔
- -
- -
LOAD PIN - FORCE VALUES NOT CHANGING
8
5
8510
- -
- -
✔
- -
- -
LOAD PIN - FORCE TOO LOW OVER TOWER ANGLE CHANGE
8
5
8511
- -
- -
✔
- -
- -
LOAD PIN - FORCE TOO LOW OVER MAIN ANGLE CHANGE
8
5
8512
- -
- -
✔
- -
- -
LOAD PIN - FORCE TOO LOW OVER MAIN LENGTH TRANSITION
8
5
8513
- -
- -
✔
- -
- -
RESTRICTED TO TRANSPORT - OSCILLATING AXLE PRESSURE SWITCH DIS-
AGREEMENT
8
6
861
✔
✔
✔
✔
✔
AXLE EXTEND VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
862
✔
✔
✔
✔
- -
AXLE EXTEND VALVE - SHORT TO GROUND
8
6
863
✔
✔
✔
✔
- -
AXLE RETRACT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
864
✔
✔
✔
✔
- -
AXLE RETRACT VALVE - SHORT TO GROUND
8
6
865
✔
✔
✔
✔
- -
RIGHT FRONT STEER RIGHT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
866
✔
✔
✔
✔
- -
RIGHT FRONT STEER RIGHT VALVE - SHORT TO GROUND
8
6
867
✔
✔
✔
✔
✔
RIGHT FRONT STEER LEFT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
868
✔
✔
✔
✔
- -
RIGHT FRONT STEER LEFT VALVE - SHORT TO GROUND
8
6
869
✔
✔
✔
✔
✔
LEFT FRONT STEER RIGHT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
8610
✔
✔
✔
✔
- -
LEFT FRONT STEER RIGHT VALVE - SHORT TO GROUND
8
6
8611
✔
✔
✔
✔
✔
LEFT FRONT STEER LEFT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
8612
✔
✔
✔
✔
- -
LEFT FRONT STEER LEFT VALVE - SHORT TO GROUND
8
6
8613
✔
✔
✔
✔
✔
RIGHT REAR STEER RIGHT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
8614
✔
✔
✔
✔
- -
RIGHT REAR STEER RIGHT VALVE - SHORT TO GROUND
8
6
8615
✔
✔
✔
✔
✔
RIGHT REAR STEER LEFT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
8616
✔
✔
✔
✔
- -
RIGHT REAR STEER LEFT VALVE - SHORT TO GROUND
8
6
8617
✔
✔
✔
✔
✔
LEFT REAR STEER RIGHT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
8618
✔
✔
✔
✔
- -
LEFT REAR STEER RIGHT VALVE - SHORT TO GROUND
8
6
8619
✔
✔
✔
✔
✔
LEFT REAR STEER LEFT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT
8
6
8620
✔
✔
✔
✔
- -
LEFT REAR STEER LEFT VALVE - SHORT TO GROUND
8
6
8621
✔
✔
✔
✔
✔
FRONT RIGHT STEER SENSOR - DECOUPLED
8
6
8622
✔
✔
✔
✔
✔
Table 6-7. Diagnostic Fault Code Chart
Fault Text
Flash 1
Flash 2
DTC
1350
1200
1250
1500
1850