JLG 1250AJP Service Manual - Manual (Page 517)

SECTION 6 - JLG CONTROL SYSTEM
3121171 – JLG Lift – 6-85
454 45 4 MAIN LIFT PVG VALVE - HIGH VOLTAGE The Main Lift PVG Valve
supply voltage is high. - 1250AJP only.
455 45 5 TOWER LIFT PVG VALVE - HIGH VOLTAGE The Tower Lift PVG Valve
supply voltage is high. - 1250AJP only.
456 45 6 TOWER TELESCOPE PVG VALVE - HIGH VOLTAGE The Tower Telescope PVG
Valve supply voltage is
high. - 1250AJP only.
457 45 7 MAIN LIFT PVG VALVE - LOW VOLTAGE The Main Lift PVG Valve
supply voltage is low. - 1250AJP only.
458 45 8 TOWER LIFT PVG VALVE - LOW VOLTAGE The Tower Lift PVG Valve
supply voltage is low. - 1250AJP only.
459 45 9 TOWER TELESCOPE PVG VALVE - LOW VOLTAGE The Tower Telescope PVG
Valve supply voltage is low. - 1250AJP only.
4510 45 10 MAIN LIFT PVG VALVE - STUCK NEUTRAL The Main Lift PVG Valve is
stuck in its neutral position. - 1250AJP only.
4511 45 11 TOWER LIFT PVG VALVE - STUCK NEUTRAL The Tower Lift PVG Valve is
stuck in its neutral position. - 1250AJP only.
4512 45 12 TOWER TELESCOPE PVG VALVE - STUCK NEUTRAL The Tower Telescope PVG
Valve is stuck in its neutral
position. - 1250AJP only.
4513 45 13 MAIN LIFT PVG VALVE - STUCK EXTENDED The Main Lift PVG Valve is
stuck in its extended posi-
tion. - 1250AJP only.
4514 45 14 TOWER LIFT PVG VALVE - STUCK EXTENDED The Tower Lift PVG Valve is
stuck in its extended posi-
tion. - 1250AJP only.
4515 45 15 TOWER TELESCOPE PVG VALVE - STUCK EXTENDED The Tower Telescope PVG
Valve is stuck in its
extended position. - 1250AJP only.
4516 45 16 MAIN LIFT PVG VALVE - STUCK RETRACTED The Main Lift PVG Valve is
stuck in its retracted posi-
tion. - 1250AJP only.
4517 45 17 TOWER LIFT PVG VALVE - STUCK RETRACTED The Tower Lift PVG Valve is
stuck in its retracted posi-
tion. - 1250AJP only.
4518 45 18 TOWER TELESCOPE PVG VALVE - STUCK RETRACTED The Tower Telescope PVG
Valve is stuck in its
retracted position. - 1250AJP only.
4519 45 19 MAIN LIFT PVG VALVE - OBSTRUCTED The Main Lift PVG Valve is
obstructed - 1250AJP only.
4520 45 20 TOWER LIFT PVG VALVE - OBSTRUCTED The Tower Lift PVG Valve is
obstructed - 1250AJP only.
4521 45 21 TOWER TELESCOPE PVG VALVE - OBSTRUCTED The Tower Telescope PVG
Valve is obstructed - 1250AJP only.
4522 45 22 MAIN LIFT PVG VALVE - COMMAND IMPROPER The Main Lift PVG Valve
command is improper. - 1250AJP only.
4523 45 23 TOWER LIFT PVG VALVE - COMMAND IMPROPER The Tower Lift PVG Valve
command is improper. - 1250AJP only.
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence Fault Message Fault Description Check