JLG 1850SJ Service Manual - Manual (Page 348)

SECTION 6 - JLG CONTROL SYSTEM
6-66 – JLG Lift – 3121619
HORN - SHORT TO GROUND 3 3 33209 ✔ ✔ ✔ ✔ ✔
GLOWPLUG - OPEN CIRCUIT 3 3 33279 ✔ ✔ ✔ ✔ ✔
GLOWPLUG - SHORT TO BATTERY 3 3 33280 ✔ ✔ ✔ ✔ ✔
GLOWPLUG - SHORT TO GROUND 3 3 33281 ✔ ✔ ✔ ✔ ✔
ALTERNATOR EXCITATION LINE - SHORT TO BATTERY 3 3 33285
✔ ✔ ✔ ✔ ✔
SWING LEFT VALVE - OPEN CIRCUIT 3 3 33295 ✔ ✔ ✔ ✔ ✔
SWING LEFT VALVE - SHORT TO BATTERY 3 3 33306 ✔ ✔ ✔ ✔ ✔
MAIN TELESCOPE FLOW CONTROL VALVE - SHORT TO GROUND 3 3 33307 ✔ ✔ ✔ ✔ ✔
MAIN TELESCOPE FLOW CONTROL VALVE - OPEN CIRCUIT 3 3 33308 ✔ ✔ ✔ ✔ ✔
MAIN TELESCOPE FLOW CONTROL VALVE - SHORT TO BATTERY 3 3 33309 ✔ ✔ ✔ ✔ ✔
MAIN LIFT DOWN VALVE - SHORT TO BATTERY 3 3 33310 ✔ ✔ - - ✔ ✔
MAIN LIFT FLOW CONTROL VALVE - SHORT TO GROUND 3 3 33311 ✔ ✔ - - ✔ ✔
MAIN LIFT FLOW CONTROL VALVE - OPEN CIRCUIT 3 3 33312 ✔ ✔ - - ✔ ✔
MAIN LIFT FLOW CONTROL VALVE - SHORT TO BATTERY 3 3 33313 ✔ ✔ - - ✔ ✔
LIFT UP VALVE - SHORT TO BATTERY 3 3 33329 - - - - - - - - ✔
SWING - CURRENT FEEDBACK READING TOO LOW 3 3 33414 - - - - - - - - ✔
SWING - CURRENT FEEDBACK READING LOST 3 3 33418 - - - - - - - - ✔
JIB LIFT UP OVERRIDE VALVE - SHORT TO GROUND 3 3 33429 - - - - - - ✔ ✔
JIB LIFT UP OVERRIDE VALVE - OPEN CIRCUIT 3 3 33430 - - - - - - ✔ ✔
JIB LIFT UP OVERRIDE VALVE - SHORT TO BATTERY 3 3 33431 - - - - - - ✔ ✔
JIB LIFT DOWN OVERRIDE VALVE - SHORT TO GROUND 3 3 33432 - - - - - - ✔ ✔
JIB LIFT DOWN OVERRIDE VALVE - OPEN CIRCUIT 3 3 33433 - - - - - - ✔ ✔
JIB LIFT DOWN OVERRIDE VALVE - SHORT TO BATTERY 3 3 33434 - - - - - - ✔ ✔
JIB CONTROL VALVE - SHORT TO GROUND 3 3 33435 - - - - - - ✔ ✔
JIB CONTROL VALVE - OPEN CIRCUIT 3 3 33436 - - - - - - ✔ ✔
JIB CONTROL VALVE - SHORT TO BATTERY 3 3 33437 - - - - - - ✔ ✔
MAIN LIFT FLOW CONTROL VALVE - CURRENT FEEDBACK READING LOST 3 3 33456 - - - - - - - - ✔
MAIN LIFT FLOW CONTROL VALVE - CURRENT FEEDBACK READING TOO
LOW 3 3 33457 - - - - - - - - ✔
TELESCOPE FLOW CONTROL VALVE - CURRENT FEEDBACK READING LOST 3 3 33460
- - - - - - - - ✔
TELESCOPE FLOW CONTROL VALVE - CURRENT FEEDBACK READING TOO
LOW 3 3 33461 - - - - - - - - ✔
WARM UP VALVE - SHORT TO BATTERY 3 3 33462 - - - - - - - - ✔
WARM UP VALVE - OPEN CIRCUIT 3 3 33463 - - - - - - - - ✔
WARM UP VALVE - SHORT TO GROUND 3 3 33464 - - - - - - - - ✔
CHASSIS ENABLE VALVE - SHORT TO BATTERY 3 3 33465 - - - - - - - - ✔
Table 6-7. Diagnostic Fault Code Chart
Fault Text Flash 1 Flash 2 DTC 1350 1200 1250 1500 1850