JLG 450A_AJ Series II Service Manual User Manual
Page 412
SECTION 6 - JLG CONTROL SYSTEM
6-76
– JLG Lift –
3121180
8/6
Flash code 8/6 indicates steering system problem. An EMS cycle is
required except as noted.
10
RESTRICTED TO TRANSPORT – OSC
AXLE PRESS SW DISAGREEMENT
Only occurs on machines with electrically released oscillating axles config-
ured. The oscillating axle pressure switch indicates pressure while the
machine is not driving or does not indicate pressure while the machine is driv-
ing and the machine is restricted to transport position.
AXLE EXT STB OR OC
A short to battery or open circuit was detected on the axles extension valve.
AXLE EXT STG
A short to ground was detected on the axles extension valve.
AXLE RET STB OR OC
A short to battery or open circuit was detected on the axles retract valve.
AXLE RET STG
A short to ground was detected on the axles retract valve.
RT FNT STEER RT STB OR OC
A short to battery or open circuit has been detected on the right front steer right
valve.
RT FNT STEER RT STG
A short to ground has been detected on the right front steer right valve.
RT FNT STEER LT STB OR OC
A short to battery or open circuit has been detected on the right front steer left
valve.
RT FNT STEER LT STG
A short to ground has been detected on the right front steer left valve.
LT FNT STEER RT STB OR OC
A short to battery or open circuit has been detected on the left front steer right
valve.
LT FNT STEER RT STG
A short to ground has been detected on the left front steer right valve.
LT FNT STEER LT STB OR OC
A short to battery or open circuit has been detected on the left front steer left
valve.
LT FNT STEER LT STG
A short to ground has been detected on the left front steer left valve.
RT REAR STEER RT STB OR OC
A short to battery or open circuit has been detected on the right rear steer right
valve.
RT REAR STEER RT STG
A short to ground has been detected on the right rear steer right valve.
RT REAR STEER LT STB OR OC
A short to battery or open circuit has been detected on the right rear steer left
valve.
RT REAR STEER LT STG
A short to ground has been detected on the right rear steer left valve.
LT REAR STEER RT STB OR OC
Left rear steer right valve short to battery or open circuit.
LT REAR STEER RT STG
Left rear steer left valve short to ground.
LT REAR STEER LT STB OR OC
Left rear steer left valve short to battery or open circuit.
LT REAR STEER LT STG
Left rear steer left valve short to ground.
FRONT LEFT WHEEL FAULT – CHECK
MOUNTING
Steering angle sensor decoupled.
FRONT RIGHT WHEEL FAULT –
CHECK MOUNTING
Steering angle sensor decoupled.
REAR LEFT WHEEL FAULT – CHECK
MOUNTING
Steering angle sensor decoupled.
REAR RIGHT WHEEL FAULT – CHECK
MOUNTING
Steering angle sensor decoupled.
FRONT LEFT WHEEL BLOCKED
Wheel not responding to steer commands. Fault clears when condition clears.
FRONT RIGHT WHEEL BLOCKED
Wheel not responding to steer commands. Fault clears when condition clears.
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