JLG 510AJ Service Manual User Manual
Page 354
SECTION 6 - JLG CONTROL SYSTEM
6-72
– JLG Lift –
3121181
LP LOCK SHORT TO BATTERY
Only occurs on machines with dual-fuel engines.
LP START ASSIST SHORT TO GROUND
Only occurs on machines with dual-fuel engines.
LP START ASSIST OPEN CIRCUIT
Only occurs on machines with dual-fuel engines.
LP START ASSIST SHORT TO BATTERY
Only occurs on machines with dual-fuel engines.
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 BATTERY
START SOLENOID SHORT TO GROUND
Only occurs on machines with diesel engines.
START SOLENOID OPEN CIRCUIT
Only occurs on machines with diesel engines.
START SOLENOID SHORT TO BATTERY
Only occurs on machines with diesel engines.
MAIN LIFT APU SHORT TO GROUND
Only occurs on the 1250AJP machine
MAIN LIFT APU OPEN CIRCUIT
Only occurs on the 1250AJP machine
MAIN LIFT APU SHORT TO BATTERY
Only occurs on the 1250AJP machine
MAIN LIFT PILOT PRESSURE FAILURE
Only occurs on the 1250AJP machine
NO MAIN LIFT PILOT PRESSURE
Only occurs on the 1250AJP machine
MAIN LIFT PILOT PRESSURE SWITCH
FAILURE
Only occurs on the 1250AJP machine
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
Only occurs on machines with ground alarm configured.
GROUND ALARM OPEN CIRCUIT
Only occurs on machines with ground alarm configured.
GROUND ALARM SHORT TO BATTERY
Only occurs on machines with ground alarm configured.
GEN SET/WELDER SHORT TO GROUND
Only occurs on machines with a generator configured.
GEN SET/WELDER OPEN CIRCUIT
Only occurs on machines with a generator configured.
GEN SET/WELDER SHORT TO BATTERY
Only occurs on machines with a generator configured.
HEAD TAIL LIGHT SHORT TO GROUND
Only occurs on machines with the headlights option configured.
Table 6-9. Help Fault Codes, Displayed Faults, and Descriptions
Fault Flash
Code
Analyzer Display
Description
Priority