JLG 450A_AJ Series II Service Manual User Manual

Page 402

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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

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