JLG 680S, Service And Maintenance Manual

Page: 478 / 530

SECTION 6 - JLG CONTROL SYSTEM
6-62 3121234
820 82 <<< PLATFORM LOAD SENSE >>>
825 82 LSS HAS NOT BEEN CALIBRATED UGM to set Platform Load
State = Overloaded
826 82 RUNNING AT CREEP - PLATFORM OVERLOADED
827 82 DRIVE & BOOM PREVENTED - PLATFORM OVERLOADED
828 82 LIFT UP & TELE OUT PREVENTED - PLATFORM OVERLOADED
8639 86 FRONT LEFT STEER VALVE - OPEN CIRCUIT Check Harness for damage.
8640 86 FRONT LEFT STEER VALVE - SHORT TO BATTERY Check Harness for damage.
8641 86 FRONT LEFT STEER VALVE - SHORT TO GROUND Check Harness for damage.
8642 86 FRONT RIGHT STEER VALVE - OPEN CIRCUIT Check Harness for damage.
8643 86 FRONT RIGHT STEER VALVE - SHORT TO BATTERY Check Harness for damage.
8644 86 FRONT RIGHT STEER VALVE - SHORT TO GROUND Check Harness for damage.
8645 86 REAR LEFT STEER VALVE - OPEN CIRCUIT Check Harness for damage.
8646 86 REAR LEFT STEER VALVE - SHORT TO BATTERY Check Harness for damage.
8647 86 REAR LEFT STEER VALVE - SHORT TO GROUND Check Harness for damage.
8648 86 REAR RIGHT STEER VALVE - OPEN CIRCUIT Check Harness for damage.
8649 86 REAR RIGHT STEER VALVE - SHORT TO BATTERY Check Harness for damage.
8650 86 REAR RIGHT STEER VALVE - SHORT TO GROUND Check Harness for damage.
871 87 RETURN FILTER BYPASSED Check Hydraulic Return Filter.
872 87 CHARGE PUMP FILTER BYPASSED Check Charge Pump Filter.
873 87 MACHINE SAFETY SYSTEM OVERRIDE OCCURRED Response described in MSSO
Influence on Machine Operation section.
998 99 EEPROM FAILURE - CHECK ALL SETTINGS Disable all machine and
engine functions (i.e., command engine shutdown and
do not permit start); reset the
section of EEPROM where the
failure occurred to defaults.
9910 99 FUNCTIONS LOCKED OUT - PLATFORM MODULE SOFTWARE
VERSION IMPROPER Activate the platform alarm
continuously
Creep mode is active
If Platform Mode is active,
disable all Drive, Steer, and
Boom functions and do not
permit Machine Enable.
9914 99 PLATFORM MODULE SOFTWARE UPDATE REQUIRED
9915 99 CHASSIS TILT SENSOR NOT GAIN CALIBRATED
9916 99 CHASSIS TILT SENSOR GAIN OUT OF RANGE
9919 99 GROUND SENSOR REF VOLTAGE OUT OF RANGE Not reported during power-up.
9920 99 PLATFORM SENSOR REF VOLTAGE OUT OF RANGE Not reported during power-up.
9921 99 GROUND MODULE FAILURE - HIGH SIDE DRIVER CUTOUT
FAULTY
9922 99 PLATFORM MODULE FAILURE - HWFS CODE 1
9923 99 GROUND MODULE FAILURE - HWFS CODE 1
Table 6-9. Diagnostic Trouble Code Chart (DTC)
DTC Flash Code Fault Message Check