JLG 1850SJ Service And Maintenance Manual page 590

SECTION 6 - JLG CONTROL SYSTEM
Flash
DTC Sequence
Code
8670 8 6
8671 8 6
8672 8 6
8673 8 6
8674 8 6
8675 8 6
8676 8 6
8677 8 6
8678 8 6
8679 8 6
8680 8 6
8681 8 6
8682 8 6
8683 8 6
8684 8 6
8685 8 6
8686 8 6
8687 8 6
8688 8 6
8689 8 6
876 87 6
990 9 9
991 9 9
992 9 9
993 9 9
6-158
Table 6-13. Diagnostic Trouble Code Chart
Fault Message
RIGHT FRONT STEER RIGHT VALVE - OPEN
CIRCUIT
RIGHT FRONT STEER RIGHT VALVE - SHORT
TO BATTERY
RIGHT FRONT STEER LEFT VALVE - OPEN
CIRCUIT
RIGHT FRONT STEER LEFT VALVE - SHORT TO
BATTERY
LEFT FRONT STEER RIGHT VALVE - OPEN
CIRCUIT
LEFT FRONT STEER RIGHT VALVE - SHORT TO
BATTERY
LEFT FRONT STEER LEFT VALVE - OPEN CIR-
CUIT
LEFT FRONT STEER LEFT VALVE - SHORT TO
BATTERY
RIGHT REAR STEER RIGHT VALVE - OPEN
CIRCUIT
RIGHT REAR STEER RIGHT VALVE - SHORT TO
BATTERY
RIGHT REAR STEER LEFT VALVE - OPEN CIR-
CUIT
RIGHT REAR STEER LEFT VALVE - SHORT TO
BATTERY
LEFT REAR STEER RIGHT VALVE - OPEN CIR-
CUIT
LEFT REAR STEER RIGHT VALVE - SHORT TO
BATTERY
LEFT REAR STEER LEFT VALVE - OPEN CIR-
CUIT
LEFT REAR STEER LEFT VALVE - SHORT TO
BATTERY
FRONT LEFT AXLE - MOVEMENT WITHOUT
COMMAND
FRONT RIGHT AXLE - MOVEMENT WITHOUT
COMMAND
REAR RIGHT AXLE - MOVEMENT WITHOUT
COMMAND
REAR LEFT AXLE - MOVEMENT WITHOUT
COMMAND
WIRE ROPE SERVICE REQUIRED
<<< HARDWARE >>>
LSS WATCHDOG RESET
LSS EEPROM ERROR
LSS INTERNAL ERROR - PIN EXCITATION
Fault Description
Open Circuit detected
Short to Battery detected
Open Circuit detected
Short to Battery detected
Open Circuit detected
Short to Battery detected
Open Circuit detected
Short to Battery detected
Open Circuit detected
Short to Battery detected
Open Circuit detected
Short to Battery detected
Open Circuit detected
Short to Battery detected
Open Circuit detected
Short to Battery detected
Axle is set to extend position, no axle retract
or extend is demanded by the operator and
one or more of the axle sensors detects
motion
MACHINE SETUP → CABLE SWITCH = YES;
Wire Rope Service = Enabled
Check
Check wiring
Check sensor hardware and hydraulics
3121619