JLG 450A_AJ Series II Service Manual User Manual
Page 399
SECTION 6 - JLG CONTROL SYSTEM
3121180
– JLG Lift –
6-63
LP LOCK SHORT TO BATTERY
Machines with dual-fuel engines ONLY.
LP START ASSIST SHORT TO
GROUND
Machines with dual-fuel engines ONLY.
LP START ASSIST OPEN CIRCUIT
Machines with dual-fuel engines ONLY.
LP START ASSIST SHORT TO BAT-
TERY
Machines with dual-fuel engines ONLY.
MAIN DUMP SHORT TO GROUND
MAIN DUMP OPEN CIRCUIT
MAIN DUMP SHORT TO BATTERY
PARKING BRAKE SHORT TO
GROUND
PARKING BRAKE OPEN CIRCUIT
PARKING BRAKE SHORT TO BAT-
TERY
START SOLENOID SHORT TO
GROUND
Machines with diesel engines ONLY.
START SOLENOID OPEN CIRCUIT
Machines with diesel engines ONLY.
START SOLENOID SHORT TO BAT-
TERY
Machines with diesel engines ONLY.
MAIN LIFT APU SHORT TO GROUND
1250AJP ONLY.
MAIN LIFT APU OPEN CIRCUIT
1250AJP ONLY.
MAIN LIFT APU SHORT TO BATTERY
1250AJP ONLY.
MAIN LIFT PILOT PRESSURE FAIL-
URE
1250AJP ONLY.
NO MAIN LIFT PILOT PRESSURE
1250AJP ONLY.
MAIN LIFT PILOT PRESSURE
SWITCH FAILURE
1250AJP ONLY.
STEER DUMP SHORT TO GROUND
STEER DUMP OPEN CIRCUIT
STEER DUMP SHORT TO BATTERY
TWO SPEED SHORT TO GROUND
TWO SPEED OPEN CIRCUIT
TWO SPEED SHORT TO BATTERY
GROUND ALARM SHORT TO
GROUND
Machines with ground alarm configured ONLY.
GROUND ALARM OPEN CIRCUIT
Machines with ground alarm configured ONLY
GROUND ALARM SHORT TO BAT-
TERY
Machines with ground alarm configured ONLY
GEN SET/WELDER SHORT TO
GROUND
Machines with a generator configured ONLY.
GEN SET/WELDER OPEN CIRCUIT
Machines with a generator configured ONLY.
GEN SET/WELDER SHORT TO BAT-
TERY
Machines with a generator configured ONLY
HEAD TAIL LIGHT SHORT TO
GROUND
Machines with headlights option configured ONLY.
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