JLG 1850SJ Service Manual User Manual
Page 345
SECTION 6 - JLG CONTROL SYSTEM
3121619
– JLG Lift –
6-63
MAIN DUMP VALVE - SHORT TO GROUND
3
3
3358
✔
✔
✔
✔
✔
MAIN DUMP VALVE - OPEN CIRCUIT
3
3
3359
✔
✔
✔
✔
✔
MAIN DUMP VALVE - SHORT TO BATTERY
3
3
3360
✔
✔
✔
✔
✔
BRAKE - SHORT TO GROUND
3
3
3361
✔
✔
✔
✔
✔
START SOLENOID - SHORT TO GROUND
3
3
3362
✔
✔
✔
✔
✔
START SOLENOID - OPEN CIRCUIT
3
3
3363
✔
✔
✔
✔
✔
START SOLENOID - SHORT TO BATTERY
3
3
3364
✔
✔
✔
✔
✔
TWO SPEED VALVE - SHORT TO GROUND
3
3
3368
✔
✔
✔
✔
✔
TWO SPEED VALVE - OPEN CIRCUIT
3
3
3369
✔
✔
✔
✔
✔
TWO SPEED VALVE - SHORT TO BATTERY
3
3
3370
✔
✔
✔
✔
✔
GROUND ALARM - SHORT TO GROUND
3
3
3371
✔
✔
✔
✔
✔
GROUND ALARM - OPEN CIRCUIT
3
3
3372
✔
✔
✔
✔
✔
GEN SET/WELDER - SHORT TO GROUND
3
3
3373
✔
✔
✔
✔
✔
GEN SET/WELDER - OPEN CIRCUIT
3
3
3374
✔
✔
✔
✔
✔
GEN SET/WELDER - SHORT TO BATTERY
3
3
3375
✔
✔
✔
✔
✔
HEAD TAIL LIGHT - SHORT TO GROUND
3
3
3376
✔
✔
✔
✔
✔
HEAD TAIL LIGHT - OPEN CIRCUIT
3
3
3377
✔
✔
✔
✔
✔
HEAD TAIL LIGHT - SHORT TO BATTERY
3
3
3378
✔
✔
✔
✔
✔
HOUR METER - SHORT TO GROUND
3
3
3379
✔
✔
✔
✔
✔
HOUR METER - OPEN CIRCUIT
3
3
3380
✔
✔
✔
✔
✔
HOUR METER - SHORT TO BATTERY
3
3
3381
✔
✔
✔
✔
✔
PLATFORM LEVEL UP OVERRIDE VALVE - SHORT TO GROUND
3
3
3385
✔
✔
✔
✔
✔
PLATFORM LEVEL UP OVERRIDE VALVE - OPEN CIRCUIT
3
3
3386
✔
✔
✔
✔
✔
PLATFORM LEVEL UP OVERRIDE VALVE - SHORT TO BATTERY
3
3
3387
✔
✔
✔
✔
✔
PLATFORM LEVEL DOWN OVERRIDE VALVE - SHORT TO GROUND
3
3
3391
✔
✔
✔
✔
✔
PLATFORM LEVEL DOWN OVERRIDE VALVE - OPEN CIRCUIT
3
3
3392
✔
✔
✔
✔
✔
PLATFORM LEVEL DOWN OVERRIDE VALVE - SHORT TO BATTERY
3
3
3393
✔
✔
✔
✔
✔
PLATFORM ROTATE LEFT VALVE - SHORT TO GROUND
3
3
3394
✔
✔
✔
✔
✔
PLATFORM ROTATE LEFT VALVE - OPEN CIRCUIT
3
3
3395
✔
✔
✔
✔
✔
PLATFORM ROTATE LEFT VALVE - SHORT TO BATTERY
3
3
3396
✔
✔
✔
✔
✔
PLATFORM ROTATE RIGHT VALVE - SHORT TO GROUND
3
3
3397
✔
✔
✔
✔
✔
PLATFORM ROTATE RIGHT VALVE - OPEN CIRCUIT
3
3
3398
✔
✔
✔
✔
✔
PLATFORM ROTATE RIGHT VALVE - SHORT TO BATTERY
3
3
3399
✔
✔
✔
✔
✔
JIB LIFT UP VALVE - SHORT TO GROUND
3
3
33100
✔
✔
✔
- -
- -
JIB LIFT UP VALVE - OPEN CIRCUIT
3
3
33101
✔
✔
✔
- -
- -
Table 6-7. Diagnostic Fault Code Chart
Fault Text
Flash 1
Flash 2
DTC
1350
1200
1250
1500
1850