Service Manual Manual

SECTION 6 - JLG CONTROL SYSTEM
6-98 – JLG Lift – 3121171
9928 99 28 ENVELOPE CONTROL DISABLED Envelope Control has been
disabled by the user from
Access Level 0.
- Envelope Control equipped
vehicles only.
9929 99 29 MOMENT CONTROL DISABLED Moment Control has been
disabled by the user from
Access Level 0.
- Envelope Control equipped
vehicles only.
9930 99 30 STEER SENSORS NOT CALIBRATED The Steer Sensors have
not been calibrated.
- Chassis Module equipped
vehicles only.
9931 99 31 BOOM SENSORS NOT CALIBRATED The Boom Sensors have
not been calibrated.
- BLAM equipped vehicles
only.
9932 99 32 LIFT CRACKPOINTS NOT CALIBRATED The Lift Valves have not
been calibrated.
- 1200S and 1350S only.
9933 99 33 TELESCOPE CRACKPOINTS NOT CALIBRATED The Telescope Valves
have not been calibrated.
- 1200S and 1350S only.
9934 99 34 DRIVE CRACKPOINTS NOT CALIBRATED The Drive Valves have not
been calibrated.
- 1200S and 1350S only.
9935 99 35 BLAM SENSOR SUPPLY OUT OF RANGE HIGH The Boom Angle Sensors
supply voltage is high.
- BLAM equipped vehicles
only.
9936 99 36 BLAM SENSOR SUPPLY OUT OF RANGE LOW The Boom Angle Sensors
supply voltage is low.
- BLAM equipped vehicles
only.
9937 99 37 LENGTH SENSOR REF VOLTAGE HIGH The Boom Length Sensors
supply voltage is high.
9938 99 38 LENGTH SENSOR REF VOLTAGE LOW The Boom Length Sensors
supply voltage is low.
9939 99 39 BLAM HIGH RES A/D FAILURE The BLAM high resolution
analog to digital converter
has failed.
- BLAM equipped vehicles
only.
9940 99 40 CHASSIS SENSOR SUPPLY OUT OF RANGE HIGH The Chassis Sensors sup-
ply voltage is high.
9941 99 41 CHASSIS SENSOR SUPPLY OUT OF RANGE LOW The Chassis Sensors sup-
ply voltage is low.
9942 99 42 BLAM BACKUP COMMUNICATIONS LINK FAULTY The BLAM backup com-
munications link test was
activated at startup, but no
communication connec-
tion established/main-
tained.
- BLAM equipped vehicles
only.
-1250
9943 99 43 BLAM BACKUP COMMUNICATIONS LOST - HYDRAULICS
SUSPENDED
The BLAM backup com-
munications link was acti-
vated, but no
communication connec-
tion established/main-
tained.
- BLAM equipped vehicles
only.
-1250
9944 99 44 CURRENT FEEDBACK GAINS OUT OF RANGE The factory set current
feedback gains are out of
range.
9945 99 45 CURRENT FEEDBACK CALIBRATION CHECKSUM
INCORRECT
The factory set current
feedback checksum is not
correct.
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check