JLG 600SC_660SJC Service Manual - Manual (Page 235)

SECTION 6 - JLG CONTROL SYSTEM
3121607 – JLG Lift – 6-41
8211 LSS READING UNDER WEIGHT
8639 FRONT LEFT STEER VALVE - OPEN CIRCUIT
8640 FRONT LEFT STEER VALVE - SHORT TO BATTERY
8641 FRONT LEFT STEER VALVE - SHORT TO GROUND
8642 FRONT RIGHT STEER VALVE - OPEN CIRCUIT
8643 FRONT RIGHT STEER VALVE - SHORT TO BATTERY
8644 FRONT RIGHT STEER VALVE - SHORT TO GROUND
8669 OSCILLATING AXLE SWITCH DISAGREEMENT
991 LSS WATCHDOG RESET
992 LSS EEPROM ERROR
993 LSS INTERNAL ERROR - PIN EXCITATION
994 LSS INTERNAL ERROR - DRDY MISSING FROM A/D
998 EEPROM FAILURE - CHECK ALL SETTINGS
9910 FUNCTIONS LOCKED OUT - PLATFORM MODULE SOFTWARE VERSION
IMPROPER
9911 FUNCTIONS LOCKED OUT - LSS MODULE SOFTWARE VERSION IMPROPER
9915 CHASSIS TILT SENSOR NOT GAIN CALIBRATED
9919 GROUND SENSOR REF VOLTAGE OUT OF RANGE
9920 PLATFORM SENSOR REF VOLTAGE OUT OF RANGE
9921 GROUND MODULE FAILURE - HIGH SIDE DRIVER CUTOUT FAULTY
9922 PLATFORM MODULE FAILURE - HWFS CODE 1
9924 FUNCTIONS LOCKED OUT - MACHINE NOT CONFIGURED
9927 GROUND MODULE CONSTANT DATA UPDATE REQUIRED
9944 CURRENT FEEDBACK GAINS OUT OF RANGE
9945 CURRENT FEEDBACK CALIBRATION CHECKSUM INCORRECT
9949 MACHINE CONFIGURATION OUT OF RANGE - CHECK ALL SETTINGS
9977 LSS CORRUPT EEPROM
9979 FUNCTIONS LOCKED OUT - GROUND MODULE SOFTWARE VERSION IMPROPER
9986 GROUND MODULE VLOW FET FAILURE
Table 6-6. Fault Code List
DTC Text