Service Manual Manual

SECTION 6 - JLG CONTROL SYSTEM
3121142 – JLG Lift – 6-95
4524 45 24 TOWER TELESCOPE PVG VALVE - COMMAND IMPROPER The Tower Telescope PVG Valve
command is improper.
- 1250AJP only.
4525 45 25 MAIN LIFT PVG VALVE - TIMEOUT The Main Lift PVG Valve has
timed out.
- 1250AJP only.
4526 45 26 TOWER LIFT PVG VALVE - TIMEOUT The Tower Lift PVG Valve has
timed out.
- 1250AJP only.
4527 45 27 TOWER TELESCOPE PVG VALVE - TIMEOUT The Tower Telescope PVG Valve
has timed out.
- 1250AJP only.
4528 45 28 MAIN LIFT PVG VALVE - SETUP FAULT The Main Lift PVG Valve has a
setup fault.
- 1250AJP only.
4529 45 29 TOWER LIFT PVG VALVE - SETUP FAULT The Tower Lift PVG Valve has a
setup fault.
- 1250AJP only.
4530 45 30 TOWER TELESCOPE PVG VALVE - SETUP FAULT The Tower Telescope PVG Valve
has a setup fault.
- 1250AJP only.
4531 45 31 MAIN LIFT PVG VALVE - SENT UNRECOGNIZED FAULT The Main Lift PVG Valve has an
unrecognized fault.
- 1250AJP only.
4532 45 32 TOWER LIFT PVG VALVE - SENT UNRECOGNIZED FAULT The Tower Lift PVG Valve has an
unrecognized fault.
- 1250AJP only.
4533 45 33 TOWER TELESCOPE PVG VALVE - SENT UNRECOGNIZED FAULT The Tower Telescope PVG Valve
has an unrecognized fault.
- 1250AJP only.
4534 45 34 MAIN LIFT PVG VALVE - PARAMETERS INCORRECT The Main Lift PVG Valve parame-
ters are incorrect.
- 1250AJP only.
4535 45 35 TOWER LIFT PVG VALVE - PARAMETERS INCORRECT The Tower Lift PVG Valve param-
eters are incorrect.
- 1250AJP only.
4536 45 36 TOWER TELESCOPE PVG VALVE - PARAMETERS INCORRECT The Tower Telescope PVG Valve
parameters are incorrect.
- 1250AJP only.
4537 45 37 MAIN LIFT PVG VALVE - LOCATION IMPROPER The Main Lift PVG Valve is in the
wrong location.
- 1250AJP only.
4538 45 38 TOWER LIFT PVG VALVE - LOCATION IMPROPER The Tower Lift PVG Valve is in the
wrong location.
- 1250AJP only.
4539 45 39 TOWER TELESCOPE PVG VALVE - LOCATION IMPROPER The Tower Telescope PVG Valve
is in the wrong location.
- 1250AJP only.
4540 45 40 MAIN LIFT PVG VALVE - WIRING INCORRECT The Main Lift PVG Valve has
incorrect wiring.
- 1250AJP only.
4541 45 41 TOWER LIFT PVG VALVE - WIRING INCORRECT The Tower Lift PVG Valve has
incorrect wiring.
- 1250AJP only.
4542 45 42 TOWER TELESCOPE PVG VALVE - WIRING INCORRECT The Tower Telescope PVG Valve
has incorrect wiring.
- 1250AJP only.
4543 45 43 MAIN LIFT PVG VALVE - SPOOL CANNOT REACH NEUTRAL X - 1250AJP only.
4544 45 44 TOWER LIFT PVG VALVE - SPOOL CANNOT REACH NEUTRAL X - 1250AJP only.
4545 45 45 TOWER TELESCOPE PVG VALVE - SPOOL CANNOT REACH NEUTRAL X - 1250AJP only.
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check