JLG G12-55A AccuPlace Service Manual - Manual (Page 226)

Electrical System
9.108 G10-55A & G12-55A AccuPlace
FUNCTIONS
LOCKED OUT –
FORK VALVE
SOFTWARE
VERSION
IMPROPER
2
9983 Fork valve controller has
incompatible software
version. N Software update required.
FUNCTIONS
LOCKED OUT –
ISP SOFTWARE
VERSION
IMPROPER
2
9984 ISP controller has
incompatible software
version. N Software update required.
FUNCTIONS
LOCKED OUT –
CAB JOYSTICK
SOFTWARE
VERSION
IMPROPER
2
9985 Joystick software version
improper. N Verify proper UGM software; then replace
joystick.
CAB JOYSTICK
INTERNAL
FAILURE 9976 Joystick has observed an
internal hardware fault or
inconsistency. N Cycle power to see if fault clears.
If faults persists, replace joystick.
EEPROM
FAILURE –
CHECK ALL
SETTINGS 998 Controls have detected
corruption in the UGM
EEPROM settings. Y Cycle power to see if fault clears.
If fault persists, record all Machine Setup
and Personality parameters. Next, toggle
model from existing model to another
machine model and back. This will
effectively set EEPROM values to default.
Adjust the Machine Setup and Personality
parameters to previous values.
GROUND
MODULE VLOW
FET FAILURE 9986 VLow FET determined to
have failed on startup. UGM
is unable to read high-
sensing digital inputs. N Cycle power to see if fault clears.
This fault indicates internal hardware
failure and may require UGM
replacement.
INCOVA
MACHINE SETUP
DATA NOT
WRITTEN 9987 The UGM to INCOVA Setup
data was not successfully
written to ISP, Lift, Tele, and
Fork Valves at startup. N This fault may occur when the CAN Bus
communications are of poor quality.
Cycle power to see if fault clears.
Check the amount of CAN1 traffic and
errors via the Analyzer under
DIAGNOSTICS/CAN STATISTICS.
Expected ranges of values are CAN1 Rx/
s ~ 600-700; CAN1 Tx/s ~ 100-150; CAN1
ERR F/S = 0. Troubleshoot CAN Bus if
errors are present or transmit/receive
values are suspect.
Help Message
1
DTC Fault Condition
(for configurable items,
fault applies only if
configured)
Fault
Requires
AccuPlace
Reset?
Action(s)