JLG G5-18A Service Manual - Manual (Page 156)

Electrical System
9-36 G5-18A, 2505H, 25.5
Conflicting Drive
Direction Signals
462
This fault can only be
present if the machine is
configured for the CE
market. Both passive mode
inputs (fwd/park brake off
AND rev/park brake off) are
present concurrently
Default machine to
Active Mode
Latched. Check wiring to
Pins J1-5 on Ground
Module and Pin J1-4 on
Remote IO Module
CAN Bus Failure –
LSI
6638
Ground Module lost CAN
bus communication with LSI
module and no messages
have been received for a
period of
1 second Default machine to LSI
Cutout if not in passive
mode with operation only
available via LSI Cancel
switch (Creep Mode
operation)
Not Latched
Revert to normal
operation when CAN
bus communication is
re-established
CAN Bus Failure -
Remote Input
Module
6642
Ground Module lost CAN
bus communication with
Remote Input Module and
no messages have been
received for a period of 250
ms
This fault can only occur if
the machine detects itself
to be a Tier 3 configuration:
Default machine to LSI
Cutout (if not in passive
mode or not in LSI
calibration mode) with
operation only available via
LSI Cancel switch (Creep
Mode operation)
This fault can only occur if
the machine detects itself
to be a Tier 4 configuration:
Deactivate all
Module Outputs
Not Latched
Revert to normal
operation when CAN
bus communication is
re-established
LSI Not Calibrated 8514
LSI CAN display indicates
calibration is required Permit LSI-CAN display to
control its internal alarm
Not Latched. Once
calibrated sequence
performed, LSI display
indicates completion
LSI Load Cell A -
Out of Range
8516
LSI module detects condition
and OMD reading is 100%
Machine automatically in
LSI Cutout with operation
only available via LSI
Cancel Switch (Creep
Mode operation)
Permit LSI-CAN display to
control its internal alarm
Latched. Check LSI
gauge and sensor wiring
LSI Load Cell B -
Out of Range
8517
LSI module detects condition
and OMD reading is 100%
Machine automatically in
LSI Cutout with operation
only available via LSI
Cancel Switch (Creep
Mode operation)
Permit LSI-CAN display to
control its internal alarm
Latched. Check LSI
gauge and sensor wiring
Help Message DTC
Trigger / Possible
Symptom
Actions
Latch / Reset
Condition