Service Manual Instruction Manual

SECTION 6 - JLG CONTROL SYSTEM
6-94 – JLG Lift – 3121171
859 85 9 LOAD PIN/TOWER LIFT CYLINDER ANGLE DISAGREEMENT There is a disagreement
between the Load Pin and the
Towe r L if t c y li nd er An gl e.
-1250
8510 85 10 LOAD PIN - FORCE VALUES NOT CHANGING The Load Pin is not changing. -1250
8511 85 11 LOAD PIN - FORCE TOO LOW OVER TOWER ANGLE CHANGE Load pin force did not change
enough for the tower angle
movement.
-1250
8512 85 12 LOAD PIN - FORCE TOO LOW OVER MAIN ANGLE CHANGE Load pin force did not change
enough for the main angle
movement.
-1250
8513 85 13 LOAD PIN - FORCE TOO LOW OVER MAIN LENGTH TRANSITION Load Pin force did not change
enough for main length move-
ment.
-1250
860 86 0 <<< STEERING / AXLE >>>
861 86 1 RESTRICTED TO TRANSPORT - OSCILLATING AXLE PRESSURE SWITCH DIS-
AGREEMENT
The Oscillating Axle Pressure
Switch indicates pressure while
not driving or does not indicate
pressure while driving and
restricted to transport.
- Electrically released Oscillated
Axles equipped vehicles only.
862 86 2 AXLE EXTEND VALVE - SHORT TO BATTERY OR OPEN CI RCUIT T he re is a S ho r t t o B at te r y o r a n
Open Circuit to the Axle Extend
Valve.
863 86 3 AXLE EXTEND VALVE - SHORT TO GROUND There is a Short to Ground to the
Axle Extend Valve.
864 86 4 AXLE RETRACT VALVE - SHORT TO BATTERY OR OPE N C IR CU IT Th ere is a Sho r t t o B at te r y o r a n
Open Circuit to the Axle Retract
Valve.
865 86 5 AXLE RETRACT VALVE - SHORT TO GROUND There is a Short to Ground to the
Axle Retract Valve.
866 86 6 RIGHT FRONT STEER RIGHT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT There is a Short to Battery or an
Open Circuit to the Right Front
Steer Right Valve.
867 86 7 RIGHT FRONT STEER RIGHT VALVE - SHORT TO GROUND There is a Short to Ground to the
Right Front Steer Right Valve.
868 86 8 RIGHT FRONT STEER LEFT VALVE - SHORT TO BATTERY OR OPEN CIRCUIT There is a Short to Battery or an
Open Circuit to the Right Front
Steer Left Valve.
869 86 9 RIGHT FRONT STEER LEFT VALVE - SHORT TO GROUND There is a Short to Ground to the
Right Front Steer Left Valve.
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check