JLG 1850SJ Service Manual User Manual
Page 343
SECTION 6 - JLG CONTROL SYSTEM
3121619
– JLG Lift –
6-61
FUNCTION SWITCHES FAULTY - CHECK DIAGNOSTICS/BOOM
2
3
234
✔
✔
✔
✔
✔
FUNCTION SWITCHES LOCKED - SELECTED BEFORE AUX POWER
2
3
235
✔
✔
✔
✔
✔
FUNCTION SWITCHES LOCKED - SELECTED BEFORE START SWITCH
2
3
236
✔
✔
✔
✔
✔
START SWITCH LOCKED - SELECTED BEFORE KEYSWITCH
2
3
237
✔
✔
✔
✔
✔
TOWER LIFT PRESSURE SENSOR - OUT OF RANGE HIGH
2
3
23100
- -
- -
✔
- -
- -
TOWER LIFT PRESSURE SENSOR - OUT OF RANGE LOW
2
3
23101
- -
- -
✔
- -
- -
TOWER LIFT PRESSURE SENSOR - NOT DETECTING CHANGE
2
3
23102
- -
- -
✔
- -
- -
TOWER LIFT CYLINDER - OVER PRESSURE
2
3
23103
- -
- -
✔
- -
- -
LIFT PRESSURE SENSOR - OUT OF RANGE LOW
2
3
23124
- -
- -
- -
- -
✔
LIFT PRESSURE SENSOR - OUT OF RANGE HIGH
2
3
23125
- -
- -
- -
- -
✔
LIFT PRESSURE SENSOR - NOT DETECTING CHANGE
2
3
23126
- -
- -
- -
- -
✔
LIFT CYLINDER - OVER PRESSURE
2
3
23127
- -
- -
- -
- -
✔
REDUCTION CHECK PRESSURE SENSOR - OUT OF RANGE LOW
2
3
23128
- -
- -
- -
- -
✔
REDUCTION CHECK PRESSURE SENSOR - OUT OF RANGE HIGH
2
3
23129
- -
- -
- -
- -
✔
REDUCTION CHECK PRESSURE SENSOR - HIGH
2
3
23130
- -
- -
- -
- -
✔
REDUCTION CHECK PRESSURE SENSOR - LOW
2
3
23131
- -
- -
- -
- -
✔
MODEL CHANGED - HYDRAULICS SUSPENDED - CYCLE EMS
2
5
259
✔
✔
✔
✔
✔
GENERATOR MOTION CUTOUT ACTIVE
2
5
2513
✔
✔
✔
✔
✔
BOOM PREVENTED - DRIVE SELECTED
2
5
2514
✔
✔
✔
✔
✔
DRIVE PREVENTED - BOOM SELECTED
2
5
2515
✔
✔
✔
✔
✔
DRIVE PREVENTED - ABOVE ELEVATION
2
5
2516
✔
✔
✔
✔
✔
DRIVE PREVENTED - TILTED & ABOVE ELEVATION
2
5
2517
✔
✔
✔
✔
✔
JIB SWING PREVENTED - IN 1000# MODE
2
5
2521
✔
✔
✔
✔
✔
CAN DONGLE ATTACHED - HYDRAULICS NOT RESTRICTED
2
5
2522
✔
✔
✔
✔
✔
BACKUP BLAM COMMUNICATIONS ACTIVE
2
5
2523
- -
- -
✔
- -
- -
DISCONNECT ANALYZER AND CYCLE EMS TO PERFORM BOOM RETRIEVAL
2
5
2524
- -
- -
✔
- -
- -
MACHINE SETUP FAULT - JIB SWING
2
5
2546
✔
✔
✔
✔
✔
MACHINE SETUP FAULT - MODEL
2
5
2547
✔
✔
✔
✔
✔
SKYGUARD SW - DISAGREEMENT
2
5
2563
✔
✔
✔
✔
✔
FRONT LEFT AXLE SWING SENSOR - VOLTAGE OUT OF RANGE LOW
2
6
261
- -
- -
- -
- -
✔
FRONT LEFT AXLE SWING SENSOR - VOLTAGE OUT OF RANGE HIGH
2
6
262
- -
- -
- -
- -
✔
FRONT RIGHT AXLE SWING SENSOR - VOLTAGE OUT OF RANGE LOW
2
6
263
- -
- -
- -
- -
✔
FRONT RIGHT AXLE SWING SENSOR - VOLTAGE OUT OF RANGE HIGH
2
6
264
- -
- -
- -
- -
✔
REAR LEFT AXLE SWING SENSOR - VOLTAGE OUT OF RANGE LOW
2
6
265
- -
- -
- -
- -
✔
REAR LEFT AXLE SWING SENSOR - VOLTAGE OUT OF RANGE HIGH
2
6
266
- -
- -
- -
- -
✔
Table 6-7. Diagnostic Fault Code Chart
Fault Text
Flash 1
Flash 2
DTC
1350
1200
1250
1500
1850