JLG 1850SJ Service And Maintenance Manual page 552

SECTION 6 - JLG CONTROL SYSTEM
Fault Text
LOSS OF ENGINE SPEED SENSOR
SPEED SENSOR READING INVALID SPEED
SOOT LOAD WARNING - LOW
SOOT LOAD WARNING - HIGH
SOOT LOAD WARNING - SEVERE
ENGINE COOLANT - LOW LEVEL
BATTERY VOLTAGE TOO LOW - SYSTEM SHUTDOWN
BATTERY VOLTAGE TOO HIGH - SYSTEM SHUTDOWN
LSS BATTERY VOLTAGE TOO HIGH
LSS BATTERY VOLTAGE TOO LOW
BATTERY VOLTAGE LOW
MAIN LIFT PVG VALVE - INTERNAL FAULT
TOWER LIFT PVG VALVE - INTERNAL FAULT
TOWER TELESCOPE PVG VALVE - INTERNAL FAULT
MAIN LIFT PVG VALVE - HIGH VOLTAGE
TOWER LIFT PVG VALVE - HIGH VOLTAGE
TOWER TELESCOPE PVG VALVE - HIGH VOLTAGE
MAIN LIFT PVG VALVE - LOW VOLTAGE
TOWER LIFT PVG VALVE - LOW VOLTAGE
TOWER TELESCOPE PVG VALVE - LOW VOLTAGE
MAIN LIFT PVG VALVE - STUCK NEUTRAL
TOWER LIFT PVG VALVE - STUCK NEUTRAL
TOWER TELESCOPE PVG VALVE - STUCK NEUTRAL
MAIN LIFT PVG VALVE - STUCK EXTENDED
TOWER LIFT PVG VALVE - STUCK EXTENDED
TOWER TELESCOPE PVG VALVE - STUCK EXTENDED
MAIN LIFT PVG VALVE - STUCK RETRACTED
TOWER LIFT PVG VALVE - STUCK RETRACTED
TOWER TELESCOPE PVG VALVE - STUCK RETRACTED
MAIN LIFT PVG VALVE - OBSTRUCTED
TOWER LIFT PVG VALVE - OBSTRUCTED
TOWER TELESCOPE PVG VALVE - OBSTRUCTED
MAIN LIFT PVG VALVE - COMMAND IMPROPER
6-120
Table 6-12. Diagnostic Fault Code Chart
Flash 1 Flash 2
4 3
4 3
4 3
4 3
4 3
4 3
4 4
4 4
4 4
4 4
4 4
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
4 5
DTC 1350 1200
✔ ✔
4322
✔ ✔
4323
✔ ✔
4331
✔ ✔
4332
✔ ✔
4333
✔ ✔
4334
✔ ✔
441
✔ ✔
442
✔ ✔
443
✔ ✔
444
✔ ✔
445
- - - -
451
- - - -
452
- - - -
453
- - - -
454
- - - -
455
- - - -
456
- - - -
457
- - - -
458
- - - -
459
- - - -
4510
- - - -
4511
- - - -
4512
- - - -
4513
- - - -
4514
- - - -
4515
- - - -
4516
- - - -
4517
- - - -
4518
- - - -
4519
- - - -
4520
- - - -
4521
- - - -
4522
1250 1500 1850
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ ✔ ✔
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
✔ - - - -
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