Service Manual Instruction Manual

SECTION 6 - JLG CONTROL SYSTEM
6-98 – JLG Lift – 3121171
9928 99 28 ENVELOPE CONTROL DISABLED Envelope Control has been dis-
abled by the user from Access
Level 0.
- Envelope Control equipped vehi-
cles only.
9929 99 29 MOMENT CONTROL DISABLED Moment Control has been dis-
abled by the user from Access
Level 0.
- Envelope Control equipped vehi-
cles only.
9930 99 30 STEER SENSORS NOT CALIBRATED The Steer Sensors have not been
calibrated.
- Chassis Module equipped vehi-
cles 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 sup-
ply voltage is high.
9938 99 38 LENGTH SENSOR REF VOLTAGE LOW The Boom Length Sensors sup-
ply voltage is low.
9939 99 39 BLAM HIGH RES A/D FAILURE The BLAM high resolution ana-
log to digital converter has
failed.
- BLAM equipped vehicles only.
9940 99 40 CHASSIS SENSOR SUPPLY OUT OF RANGE HIGH The Chassis Sensors supply volt-
age is high.
9941 99 41 CHASSIS SENSOR SUPPLY OUT OF RANGE LOW The Chassis Sensors supply volt-
age is low.
9942 99 42 BLAM BACKUP COMMUNICATIONS LINK FAULTY The BLAM backup communica-
tions link test was activated at
startup, but no communication
connection established/main-
tained.
- BLAM equipped vehicles only.
-1250
9943 99 43 BLAM BACKUP COMMUNICATIONS LOST - HYDRAULICS SUSPENDED The BLAM backup communica-
tions link was activated, but no
communication connection
established/maintained.
- 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