JLG 450A_AJ Series II Service Manual User Manual
Page 402

SECTION 6 - JLG CONTROL SYSTEM
6-66
– JLG Lift –
3121180
LIFT DOWN AUX VALVE OPEN CIR-
CUIT
Machines with gravity lift down ONLY.
TOWER LIFT APU SHORT TO
GROUND
1250AJP ONLY.
TOWER LIFT APU OPEN CIRCUIT
1250AJP ONLY.
TOWER LIFT APU SHORT TO BAT-
TERY
1250AJP ONLY.
MAIN LIFT ENABLE SHORT TO
GROUND
1250AJP ONLY.
MAIN LIFT ENABLE OPEN CIRCUIT
1250AJP ONLY.
MAIN LIFT ENABLE SHORT TO BAT-
TERY
1250AJP ONLY.
TOWER TELE APU VALVE STUCK
OPEN
1250AJP ONLY.
TOWER TELE ENABLE STUCK OPEN
1250AJP ONLY.
TOWER TELE APU SHORT TO
GROUND
1250AJP ONLY.
TOWER TELE APU OPEN CIRCUIT
1250AJP ONLY.
TOWER TELE APU SHORT TO BAT-
TERY
1250AJP ONLY.
PVG VALVE SHORT TO GROUND
1250AJP ONLY.
PVG VALVE OPEN CIRCUIT
1250AJP ONLY.
PVG VALVE SHORT TO BATTERY
1250AJP ONLY.
FOX SPARE OUTPUT SHORT TO
GROUND
Fox machines ONLY.
FOX SPARE OUTPUT SHORT TO BAT-
TERY
Fox machines ONLY.
FOX SPARE OUTPUT OPEN CIRCUIT
Fox machines ONLY.
HOUR METER OPEN CIRCUIT
This fault cannot be detected during normal operation. It may be reported
during self test.
RESTRICTED TO TRANSPORT –
AXLE LOCKOUT VALVE STB OR OC
Machines with electrically released oscillating axles configured ONLY. A short
to battery or open circuit has been detected on axle lockout valve and machine
is restricted to transport position.
RESTRICTED TO TRANSPORT –
PARKING BRAKE STB
Machines with electrically released oscillating axles configured ONLY. A short
to battery has been detected on parking brake valve and machine is restricted
to transport position.
Table 6-8. Help Fault Codes, Displayed Faults, and Descriptions - S/N 0300066949 & S/N 1300000001 to Present
Fault Flash
Code
Communicated (Displayed on
Analyzer) Fault
Description
Priority