JLG 723A Service Manual - Manual (Page 204)

Electrical System
9.96 L2906H, 2906H, 3507H, 619A, 723A, 29.6LP, 29.6, 35.7
LSS EEPROM
ERROR 992 1 Power cycle.
(Replace
board)
LSS INTERNAL
ERROR – PIN
EXCITATION 993 1 Power cycle.
(Replace
board)
LSS INTERNAL
ERROR – DRDY
MISSING FROM A/D 994 1 Power cycle.
(Replace
board)
EEPROM FAILURE –
CHECK ALL
SETTINGS 998 1 Suspend all hydraulic function,
engine, and transmission
operation.
The UGM has detected an anomaly
in EEPROM.
Power cycle.
(Replace
board)
FUNCTION
LOCKED OUT –
PLATFORM
MODULE
SOFTWARE
VERSION
IMPROPER 9910 1 Suspend all hydraulic function,
engine, and transmission operation
from platform station only. (CABIN
STATION operation is permitted.)
The UGM has detected the platform
module software major revision # is
not compatible.
Reprogram
board and
power cycle.
(Replace
board)
FUNCTION
LOCKED OUT – LSS
MODULE
SOFTWARE
VERSION
IMPROPER 9911 1 Suspend all hydraulic functions,
prevent engine start, and
transmission operation from
platform station only. (CABIN
STATION operation is permitted.)
The UGM has detected the LSS
module software revision # is not
compatible (if major version is 7,
then minor will be checked to be 17
or higher; otherwise major version
higher than 7 will pass).
Reprogram
board and
power cycle.
(Replace
board)
CHASSIS TILT
SENSOR NOT GAIN
CALIBRATED 9915 1 The UGM will not permit PLAT-
FORM MODE operation.
The PLATFORM OPTION is
configured as ENABLED and the
UGM detects the tilt gain values
necessary for calculating chassis
have been lost.
Power cycle.
(Replace
board)
GROUND MODULE
FAILURE – HIGH
SIDE DRIVER
CUTOUT FAULTY 9921 1 Suspend all hydraulics. The UGM detects a internal
hardware failure on J2-1, J2-13,
and/or J1-23.
Power cycle.
FUNCTIONS
LOCKED OUT –
MACHINE NOT
CONFIGURED 9924 1 The UGM will not permit engine
start.
The UGM will not permit any
hydraulic function operation.
The UGM detects the MACHINE
SETUP menu has never been
entered, which is noted by the
MODEL menu screen being
configured to “????????????????”
(i.e. it is the first time the board was
powered ON).
The
MACHINE
SETUP menu
has been
accessed and
power is
cycled.
CURRENT FEED-
BACK GAINS OUT
OF RANGE 9944 1 The UGM will not permit engine
start.
The UGM will not permit any
hydraulic function operation.
The UGM has detected the current
feedback gain calibrations have
been lost.
Power cycle.
(Replace
board)
Message Fault
Code
Indicators Other Actions Taken Trigger for Fault Latch Until