JLG 1230ES Service Manual - Manual (Page 134)

SECTION 8 - DIAGNOSTIC TROUBLE CODES
8-2 – JLG Lift – 3121222
232 GROUND LIFT UP / DOWN ACTIVE TOGETHER .........................................................................................................6-6
233 FUNCTION PROBLEM - BRAKE RELEASE PERMANENTLY SELECTED ....................................................................6-6
2-5
251 ELEV ANGLE SENSOR FAULTY - VOLTAGE OUT OF RANGE ....................................................................................6-7
252 ELEV ANGLE SENSOR HAS NOT BEEN CALIBRATED ...............................................................................................6-7
253 DRIVE PREVENTED - CHARGER CONNECTED ...........................................................................................................6-7
254 DRIVE & LIFT UP PREVENTED - CHARGER CONNECTED .........................................................................................6-7
255 PLATFORM OVERLOADED ...........................................................................................................................................6-7
256 DRIVE PREVENTED - POTHOLE NOT ENGAGED .......................................................................................................6-7
257 ELEV PROX PERMANENTLY CLOSED - CHECK PROX AND ANGLE ADJUSTMENT ................................................6-8
258 DRIVE & LIFT PREVENTED - BRAKES ELECTRICALLY RELEASED FOR TOWING ....................................................6-8
259 MODEL CHANGED - HYDRAULICS SUSPENDED - CYCLE EMS ................................................................................6-8
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
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