SECTION 5 - JLG CONTROL SYSTEM
3121166 – JLG Lift – 5-19
Help messages with the 8-x flash codes indicate problems with the platform load sensing system. The second digit of the flash code
is used to indicated channel.
8 1 L SS CELL #1 ERR OR
Cell #1’s Bridge <2Vdc, >3Vdc, or could the LSS Module
could not read Cell #1’s Internal Memory.
8-1 Flash Code
LSS Module Message – Status Message (0x81) is report-
ing “CELL 1 ERROR” AND
[Machine Setup’s LOAD is set
to 1=CUTOUT PLT OR
2=CUTOUT ALL].
Vehicle assumed to be Overloaded.
This situation indicates that
the sensor is unplugged, or
the sensor is damaged.
8 2 LSS CELL #2 ERR OR
Cell #2’s Bridge <2Vdc, >3Vdc, or could the LSS Module
could not read Cell #2’s Internal Memory.
8-2 Flash Code
LSS Module Message – Status Message (0x81) is report-
ing “CELL 2 ERROR” AND
[Machine Setup’s LOAD is set
to 1=CUTOUT PLT OR 2=CUTOUT ALL].
Vehicle assumed to be Overloaded.
This situation indicates that
the sensor is unplugged, or
the sensor is damaged.
8 3 L SS CELL #3 ERR OR
Cell #3’s Bridge <2Vdc, >3Vdc, or could the LSS Module
could not read Cell #3’s Internal Memory.
8-3 Flash Code
LSS Module Message – Status Message (0x81) is report-
ing “CELL 3 ERROR” AND
[Machine Setup’s LOAD is set
to 1=CUTOUT PLT OR 2=CUTOUT ALL].
Vehicle assumed to be Overloaded.
This situation indicates that
the sensor is unplugged, or
the sensor is damaged.
8 4 L SS CELL #4 ERR OR
Cell #4’s Bridge <2Vdc, >3Vdc, or could the LSS Module
could not read Cell #4’s Internal Memory.
8-4 Flash Code
LSS Module Message – Status Message (0x81) is report-
ing “CELL 4 ERROR” AND
[Machine Setup’s LOAD is set
to 1=CUTOUT PLT OR
2=CUTOUT ALL].
Vehicle assumed to be Overloaded.
This situation indicates that
the sensor is unplugged, or
the sensor is damaged.
Help messages with the 9-x flash codes indicate controller (module) problems. The second digit of the flash code provides addi-
tional information about the difficulty.
9 1 LSS WATCHDOG RESET
The Watchdog Timer on Load Sensing System Module’s
microprocessor was triggered by exposure to excessive
electrical noise, or by a hardware difficulty.
9-1 Flash Code
LSS Module Message – Status Message (0x81) is report-
ing “WATCHDOG RST” AND
[Machine Setup’s LOAD is
set to 1=CUTOUT PLT OR
2=CUTOUT ALL]. Retained
until power is re-cycled.
No motion interlocks.
Re-cycle power to clear diffi-
culty
9 2 L SS EEPROM ERROR
Memory used to retain settings on Load Sensing System
Module has been corrupted and must be reset by verifying
all entries / re-calibrating.
9-2 Flash Code
LSS Module Message – Status Message (0x81) is report-
ing “EEPROM ERROR” AND
[Machine Setup’s LOAD is
set to 1=CUTOUT PLT OR
2=CUTOUT ALL]. Retained
until power is re-cycled.
Vehicle assumed to be Overloaded
After resolution, re-cycle
power to clear difficulty.
Table 5-2. Flash Code Listing
FLASH
CODE
HELP MESSAGE CAUSE POSSIBLE RESOLVE
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