JLG 3246ES Service Manual - Manual (Page 172)

SECTION 6 - DIAGNOSTIC TROUBLE CODES
6-20 – JLG Lift – 3121166
824 LSS CELL #4 ERROR A problem has been detected
with the load sense system. • Refer to Section 2.3: Troubleshooting in the LSS man-
ual, 3124288.
825 LSS HAS NOT BEEN CAL-
IBRATED The load sensing system mod-
ule has not been calibrated • Empty platform. Calibrate LSS, see Section 2.2: Cali-
bration in the LSS manual, 3124288.
• Refer to Section 2.3: Troubleshooting in the LSS man-
ual, 3124288.
9-9 Hardware
DTC FAULT MESSAGE DESCRIPTION CHECK
991 LSS WATCHDOG RESET A problem has been detected
with the load sense system. • Refer to Section 2.3: Troubleshooting in the LSS man-
ual, 3124288.
992 LSS EEPROM ERROR A problem has been detected
with the load sense system. • Refer to Section 2.3: Troubleshooting in the LSS man-
ual, 3124288.
993 LSS INTERNAL ERROR -
PIN EXCITATION A problem has been detected
with the load sense system. • Refer to Section 2.3: Troubleshooting in the LSS man-
ual, 3124288.
994 LSS INTERNAL ERROR -
DRDY MISSING FROM A/
D A problem has been detected
with the load sense system. • Refer to Section 2.3: Troubleshooting in the LSS man-
ual, 3124288.
995 POWER MODULE FAIL-
URE - PERSONALITY
RANGE ERROR The power module detected an
out-of-range or corrupt person-
ality setting • Record all personality settings in ANALYZER -> PER-
SONALITIES and ANALYZER -> MACHINE SETUP. Reset
control system personalities to default settings by
selecting a different model than indicated, cycle
power then select proper model. Then, enter person-
ality settings recorded above.
996 POWER MODULE FAIL-
URE - INTERNAL ERROR Drive, Steer, & Lift Prevented • The System Module’s analog to digital converter does
not respond for the power PCB. This is an internal fail-
ure.
• Cycle machine, if error still exists, replace System
Module.
• ZAPI - HEALTH (Status LED) - FLASHING
997 POWER MODULE FAIL-
URE - CHECK POWER
CIRCUITS OR MOSFET
SHORT CIRCUIT The power module detected an
error in the power wiring for the
drive or pump. • Refer to Drive Motor Electrical Evaluation in Section
3.5.
• Refer to Pump Motor Electrical Evaluation in Section
4.8.
• Refer to Power Module Electrical Evaluation in Sec-
tion 3.6.
998 EEPROM FAILURE -
CHECK ALL SETTINGS The control system detected an
EEPROM failure. • Replace ground board.
999 FUNCTION LOCKED
OUT - POWER MODULE
SOFTWARE VERSION
IMPROPER The power module software ver-
sion is not compatible with the
rest of the system. • Replace power module to clear fault.
9910 FUNCTION LOCKED
OUT - PLATFORM MOD-
ULE SOFTWARE VER-
SION IMPROPER
The platform board software
version is not compatible with
the rest of the system. • Reprogram platform board.
8-2 Platform Load Sense
DTC FAULT MESSAGE DESCRIPTION CHECK