JLG 1200SJP Service Maintenance Manual page 470

SECTION 6 - JLG CONTROL SYSTEM
Flash
DTC
Sequence
Code
454 45 4
455 45 5
456 45 6
457 45 7
458 45 8
459 45 9
4510 45 10
4511 45 11
4512 45 12
4513 45 13
4514 45 14
4515 45 15
4516 45 16
4517 45 17
4518 45 18
4519 45 19
4520 45 20
4521 45 21
4522 45 22
4523 45 23
6-94
Table 6-6. Diagnostic Trouble Code Chart
Fault Message
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
TOWER LIFT PVG VALVE - COMMAND IMPROPER
Fault Description
The Main Lift PVG Valve supply
voltage is high.
The Tower Lift PVG Valve supply
voltage is high.
The Tower Telescope PVG Valve
supply voltage is high.
The Main Lift PVG Valve supply
voltage is low.
The Tower Lift PVG Valve supply
voltage is low.
The Tower Telescope PVG Valve
supply voltage is low.
The Main Lift PVG Valve is stuck
in its neutral position.
The Tower Lift PVG Valve is stuck
in its neutral position.
The Tower Telescope PVG Valve
is stuck in its neutral position.
The Main Lift PVG Valve is stuck
in its extended position.
The Tower Lift PVG Valve is stuck
in its extended position.
The Tower Telescope PVG Valve
is stuck in its extended position.
The Main Lift PVG Valve is stuck
in its retracted position.
The Tower Lift PVG Valve is stuck
in its retracted position.
The Tower Telescope PVG Valve
is stuck in its retracted position.
The Main Lift PVG Valve is
obstructed
The Tower Lift PVG Valve is
obstructed
The Tower Telescope PVG Valve
is obstructed
The Main Lift PVG Valve com-
mand is improper.
The Tower Lift PVG Valve com-
mand is improper.
– JLG Lift –
Check
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
- 1250AJP only.
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