JLG 340AJ, Service And Maintenance Manual

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SECTION 6 - JLG CONTROL SYSTEM
6-82 – JLG Lift – 3121259
LSS READING UNDER WEIGHT 8211 LSS has been calibrated and the UGM has determined that the load
sensing system reading is underweight while a period of time while
operating drive or boom lift up at speeds greater than creep OR the
UGM has determined that the load sensing system reading is less than
-1.5 x Gross Platform Weight.
The machine will assume the platform is overloaded.
This fault, once annunciated is latched within a given key cycle.
Ensure platform is not resting on
the ground or is not leveled at an
extreme negative angle.
Re-calibrate the load sensing
system if the above items are not
a factor.
LSS CELL #2 ERROR 822 MACHINE SETUP

LOAD SYSTEM is not set = NO
The Ground Module detects that LSS is reporting error with Cell #2
Ground Module to assume Plat-
form Load State = Overloaded CAN messages are received
from the LSS module.
LSS STRAIN GAUGE 1 - STAG-
NANT 8222 The control system has determined that the strain gauge 1 reading in
the load sensor is stagnant (not changing).
If the platform is not considered to be overloaded boom functions will
be restricted to creep..
If DTC 8223 is active in combination with DTC 8222 the machine will
assume the platform is overloaded.
This fault, once annunciated is latched within a given key cycle.
Possible sensor hardware issue.
LSS STRAIN GAUGE 2 - STAG-
NANT 8223 The control system has determined that the strain gauge 2 reading in
the load sensor is stagnant (not changing).
If the platform is not considered to be overloaded boom functions will
be restricted to creep.
If DTC 8222 is active in combination with DTC 8223 the machine will
assume the platform is overloaded.
This fault, once annunciated is latched within a given key cycle.
Possible sensor hardware issue.
LSS STRAIN GAUGE 1 - OUT OF
RANGE LOW 8224 The shear beam is reporting an out of range low issue with the strain
gauge 1 reading.
If the platform is not overloaded the machine will be placed in to creep.
If DTC 8225 is also active the machine will assume the platform is over-
loaded.
This fault, once annunciated is latched within a given key cycle.
Possible sensor hardware issue.
LSS STRAIN GAUGE 2 - OUT OF
RANGE LOW 8225 The shear beam is reporting an out of range low issue with the strain
gauge 2 reading.
If the platform is not overloaded the machine will be placed in to creep.
If DTC 8224 is also active the machine will assume the platform is over-
loaded.
This fault, once annunciated is latched within a given key cycle.
Possible sensor hardware issue.
Table 6-15. Fault Code Troubleshooting Information
Help Message DTC Condition Producing DTC
Control System Response or
Machine Condition
Corrective Action/
Operational Requirement
for Function Movement
and/or to Clear Fault