JLG 1230ES Operator Manual - Manual (Page 90)

SECTION 6 - GENERAL SPECIFICATIONS AND OPERATOR MAINTENANCE
6-26 – JLG Lift – 3121221
9-9 Hardware
DTC FAULT MESSAGE DESCRIPTION CHECK
991 LSS WATCHDOG RESET A problem has been detected with the load
sense system. Refer problem to a qualified JLG mechanic.
992 LSS EEPROM ERROR A problem has been detected with the load
sense system. Refer problem to a qualified JLG mechanic.
993 LSS INTERNAL ERROR - PIN EXCITATION A problem has been detected with the load
sense system.
Refer problem to a qualified JLG mechanic.
994 LSS INTERNAL ERROR - DRDY MISSING
FROM A/D A problem has been detected with the load
sense system. Refer problem to a qualified JLG mechanic.
995 POWER MODULE FAILURE - PERSONAL-
ITY RANGE ERROR A problem has been detected with the
power module. Refer problem to a qualified JLG mechanic.
996 POWER MODULE FAILURE - INTERNAL
ERROR A problem has been detected with the
power module. Refer problem to a qualified JLG mechanic.
997 POWER MODULE FAILURE - CHECK
POWER CIRCUITS OR MOSFET SHORT
CIRCUIT A problem has been detected with the
power module. Refer problem to a qualified JLG mechanic.
998 EEPROM FAILURE - CHECK ALL SET-
TINGS A problem has been detected with the
ground board. Refer problem to a qualified JLG mechanic.
999 FUNCTION LOCKED OUT - POWER MOD-
ULE SOFTWARE VERSION IMPROPER The power module software version is not
compatible with the rest of the system. Refer problem to a qualified JLG mechanic.