JLG 3246ES Service Manual - Manual (Page 154)

SECTION 6 - DIAGNOSTIC TROUBLE CODES
6-2 – JLG Lift – 3121166
2510 DRIVE PREVENTED - BRAKES NOT RELEASING .............................................................................................................................. 6-8
2511 ELEV ANGLE SENSOR FAULTY - NOT MOUNTED .......................................................................................................................... 6-8
2512 ELEV ANGLE SENSOR NOT DETECTING CHANGE ......................................................................................................................... 6-8
3-1
311 OPEN CIRCUIT LINE CONTACTOR ......................................................................................................................................................... 6-8
312 CONTACTOR DRIVER PERMANENTLY OFF ........................................................................................................................................ 6-8
314 AUXILIARY RELAY - OPEN CIRCUIT ...................................................................................................................................................... 6-8
3-2
321 LINE CONTACTOR MISWIRED ON OR WELDED ............................................................................................................................... 6-9
322 CONTACTOR DRIVER PERMANENTLY ON ......................................................................................................................................... 6-9
3-3
331 BRAKE SHORT TO BATTERY .................................................................................................................................................................... 6-9
332 BRAKE OPEN CIRCUIT ............................................................................................................................................................................... 6-9
333 LIFT UP SHORT TO BATTERY .................................................................................................................................................................. 6-9
334 LIFT UP OPEN CIRCUIT ............................................................................................................................................................................. 6-9
335 LIFT DN SHORT TO BATTERY .................................................................................................................................................................. 6-9
336 LIFT DN OPEN CIRCUIT ...........................................................................................................................................................................6-10
337 STEER LEFT SHORT TO BATTERY .........................................................................................................................................................6-10
338 STEER LEFT OPEN CIRCUIT ....................................................................................................................................................................6-10
339 STEER RIGHT SHORT TO BATTERY ......................................................................................................................................................6-10
3310 STEER RIGHT OPEN CIRCUIT ..............................................................................................................................................................6-10
3311 GROUND ALARM SHORT TO BATTERY ...........................................................................................................................................6-10
3312 LEFT BRAKE SHORT TO BATTERY .....................................................................................................................................................6-10
3313 RIGHT BRAKE SHORT TO BATTERY ..................................................................................................................................................6-10
3314 LEFT BRAKE OPEN CIRCUIT ................................................................................................................................................................6-11
3315 RIGHT BRAKE OPEN CIRCUIT .............................................................................................................................................................6-11
33297 LEFT BRAKE - SHORT TO GROUND................................................................................................................................................6-11
33298 STEER LEFT VALVE - SHORT TO GROUND...................................................................................................................................6-11
33299 LINE CONTACTOR COIL - SHORT TO BATTERY .........................................................................................................................6-11
33302 NEGATIVE SUPPLY - SHORT TO BATTERY ...................................................................................................................................6-11
33303 NEGATIVE SUPPLY - SHORT TO GROUND ..................................................................................................................................6-11
33304 RIGHT BRAKE - SHORT TO GROUND.............................................................................................................................................6-11
33305 STEER RIGHT VALVE - SHORT TO GROUND................................................................................................................................6-11
33406 LIFT UP VALVE - SHORT TO GROUND ..........................................................................................................................................6-11
33407 LIFT DN VALVE - SHORT TO GROUND..........................................................................................................................................6-11
4-2
421 POWER MODULE TOO HOT - PLEASE WAIT ....................................................................................................................................6-12
422 DRIVING AT CUTBACK - POWER MODULE CURRENT LIMIT ......................................................................................................6-12
423 LIFT UP AT CUTBACK - POWER MODULE CURRENT LIMIT .........................................................................................................6-12
4-4
441 BATTERY VOLTAGE TOO LOW - SYSTEM SHUTDOWN ................................................................................................................6-12
442 BATTERY VOLTAGE TOO HIGH - SYSTEM SHUTDOWN ...............................................................................................................6-12
443 LSS BATTERY VOLTAGE TOO HIGH ....................................................................................................................................................6-12
444 LSS BATTERY VOLTAGE TOO LOW .....................................................................................................................................................6-12
446 LOGIC SUPPLY VOLTAGE OUT OF RANGE.......................................................................................................................................6-12
4421 LOGIC SUPPLY VOLTAGE OUT OF RANGE .....................................................................................................................................6-12
4422 LOGIC SUPPLY VOLTAGE OUT OF RANGE .....................................................................................................................................6-13
6-6
661 CANBUS FAILURE - POWER MODULE ...............................................................................................................................................6-13
662 CANBUS FAILURE - PLATFORM MODULE ........................................................................................................................................6-14
663 CANBUS FAILURE - LOAD SENSING SYSTEM MODULE ...............................................................................................................6-15
664 CANBUS FAILURE - ACCESSORY MODULE ......................................................................................................................................6-15
6635 CANBUS FAILURE - CHASSIS TILT SENSOR ....................................................................................................................................6-15
6-7
671 ACCESSORY FAULT ..................................................................................................................................................................................6-15
7-7
771 OPEN CIRCUIT DRIVE MOTOR WIRING .............................................................................................................................................7-15
772 STALLED TRACTION MOTOR OR POWER WIRING ERROR..........................................................................................................7-16
773 CAPACITOR BANK FAULT - CHECK POWER CIRCUITS .................................................................................................................7-16
774 SHORT CIRCUIT FIELD WIRING ............................................................................................................................................................7-16
775 OPEN CIRCUIT FIELD WIRING...............................................................................................................................................................7-16
776 STALLED PUMP MOTOR OR POWER WIRING ERROR...................................................................................................................7-16