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Service Manual Manual

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SECTION 6 - JLG CONTROL SYSTEM
6-98 – JLG Lift – 3121142
8313 83 13 PLATFORM LEVEL SENSOR #1 - REFERENCE VOLTAGE OUT OF RANGE Platform Level Sensor #1 rever-
ence voltage is outside accept-
able range (4.9 to 5.1 volts).
- Electronic leveling system
equipped vehicles only.
8314 83 14 PLATFORM LEVEL SENSOR #2 - REFERENCE VOLTAGE OUT OF RANGE Platform Level Sensor #2 rever-
ence voltage is outside accept-
able range (4.9 to 5.1 volts).
- Electronic leveling system
equipped vehicles only.
8315 83 15 PLATFORM LEVELING SENSOR - DISAGREEMENT The Control System reads the
sensor values at power-up. The
fault is triggered when there is a
± 5 degree difference from the
initial reading.
- Electronic leveling system
equipped vehicles only.
8316 83 16 PLATFORM LEVEL SENSOR #1 - COMMUNICATIONS LOST Platform Level Sensor #1 serial
communication lost.
- 1200S and 1350S only.
8317 83 17 PLATFORM LEVEL SENSOR #2 - COMMUNICATIONS LOST Platform Level Sensor #2 serial
communication lost.
- 1200S and 1350S only.
8318 83 18 PLATFORM LEVELING SYSTEM TIMEOUT The Platform was unable to
maintain desired level within
range for the allotted time.
840 84 0 <<< ENVELOPE >>>
841 84 1 BOOM ANGLE SENSOR DISAGREEMENT There is a disagreement
between the Boom Angle Sen-
sors.
- Envelope Control equipped vehi-
cles only.
842 84 2 BOOM LENGTH SWITCH FAILED The Boom Length Switches are
reporting the same state.
- Envelope Control equipped vehi-
cles only.
843 84 3 BOOM LENGTH SWITCH/SENSOR DISAGREEMENT There is a disagreement
between the Boom Length
Switch and the Boom Length
Sensor.
- Envelope Control equipped vehi-
cles only.
844 84 4 BOOM LENGTH SENSOR NOT DETECTING LENGTH CHANGE The Boom Length Sensor is not
changing during a boom tele-
scope command.
- Envelope Control equipped vehi-
cles only.
845 84 5 BOOM LENGTH SENSOR - OUT OF RANGE HIGH Boom Length Sensor out of
range high.
- Envelope Control equipped vehi-
cles only.
-1200/1350 only
846 84 6 BOOM LENGTH SENSOR - OUT OF RANGE LOW Boom Length Sensor out of
range low.
- Envelope Control equipped vehi-
cles only.
-1200/1350 only
847 84 7 BOOM LENGTH SENSOR - VALUE OUT OF RANGE HIGH Boom Length out of range high. - Envelope Control equipped vehi-
cles only.
-1200/1350 only
848 84 8 BOOM LENGTH SENSOR - VALUE OUT OF RANGE LOW Boom Length out of range low. - Envelope Control equipped vehi-
cles only.
-1200/1350 only
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check