Service Manual Instruction Manual

SECTION 6 - JLG CONTROL SYSTEM
6-76 – JLG Lift – 3121171
2523 25 23 BACKUP BLAM COMMUNICATIONS ACTIVE RS232 serial backup communi-
cations link to the BLAM is
active.
2524 25 24 DISCONNECT ANALYZER AND CYCLE EMS TO PERFORM BOOM RETRIEVAL RS232 serial backup communi-
cations link to the BLAM is
needed but an analyzer is con-
nected.
2546 25 MACHINE SETUP FAULT - JIB SWING
2547 25 MACHINE SETUP FAULT - MODEL
330 33 0 <<< GROUND OUTPUT DRIVER >>>
331 33 1 BRAKE - SHORT TO BATTERY There is a Short to Battery to the
Brake Valve.
332 33 2 BRAKE - OPEN CIRCUIT There is an Open Circuit to the
Brake Valve.
3311 33 11 GROUND ALARM - SHORT TO BATTERY There is a Short to Battery to the
Ground Alarm.
- Ground Alarm equipped vehicles
only.
3316 33 16 RIGHT FORWARD DRIVE PUMP - SHORT TO GROUND There is a Short to Ground to the
Right Forward Drive Valve.
- Chassis Module equipped vehi-
cles only.
3317 33 17 RIGHT FORWARD DRIVE PUMP - OPEN CIRCUIT There is an Open Circuit to the
Right Forward Drive Valve.
- Chassis Module equipped vehi-
cles only.
3318 33 18 RIGHT FORWARD DRIVE PUMP - SHORT TO BATTERY There is a Short to Battery to the
Right Forward Drive Valve.
- Chassis Module equipped vehi-
cles only.
3320 33 20 RIGHT REVERSE DRIVE PUMP - SHORT TO GROUND There is a Short to Ground to the
Right Reverse Drive Valve.
- Chassis Module equipped vehi-
cles only.
3321 33 21 RIGHT REVERSE DRIVE PUMP - OPEN CIR CU IT T he re is an Op en Ci rc ui t t o t he
Right Reverse Drive Valve.
- Chassis Module equipped vehi-
cles only.
3322 33 22 RIGHT REVERSE DRIVE PUMP - SHORT TO BATTERY There is a Short to Battery to the
Right Reverse Drive Valve.
- Chassis Module equipped vehi-
cles only.
3324 33 24 LEFT FORWARD DRIVE PUMP - SHORT TO GROUND There is a Short to Ground to the
Left Forward Drive Valve.
- Chassis Module equipped vehi-
cles only.
3325 33 25 LEFT FORWARD DRIVE PUMP - OPEN CIRCUIT There is an Open Circuit to the
Left Forward Drive Valve.
- Chassis Module equipped vehi-
cles only.
3326 33 26 LEFT FORWARD DRIVE PUMP - SHORT TO BATTERY There is a Short to Battery to the
Left Forward Drive Valve.
- Chassis Module equipped vehi-
cles only.
3328 33 28 LEFT REVERSE DRIVE PUMP - SHORT TO GROUND There is a Short to Ground to the
Left Reverse Drive Valve.
- Chassis Module equipped vehi-
cles only.
3329 33 29 LEFT REVERSE DRIVE PUMP - OPEN CIRCUIT There is an Open Circuit to the
Left Reverse Drive Valve.
- Chassis Module equipped vehi-
cles only.
3330 33 30 LEFT REVERSE DRIVE PUMP - SHORT TO BATTERY There is a Short to Battery to the
Left Reverse Drive Valve.
- Chassis Module equipped vehi-
cles only.
3336 33 36 ALTERNATOR/ECM POWER - SHORT TO GROUND There is a Short to Ground to the
Alternator/ECM.
3338 33 38 ALTERNATOR POWER - OPEN CIRCUIT Th ere is an O p en Ci rc ui t t o t he
Alternator.
3339 33 39 ALTERNATOR POWER - SHORT TO BATTERY There is a Short to Battery to the
Alternator
Table 6-6. Diagnostic Trouble Code Chart
DTC
Flash
Code
Sequence
Fault Message Fault Description Check