Komatsu PC88MR-10 Shop Manual page 9

Failure code [DW43KB] Travel Speed Solenoid Short Circuit ............................................... 40-335
Failure code [DW43KY] Travel Speed Sol Hot Short Circuit ................................................. 40-337
Failure code [DW45KA] Swing Parking Brake Solenoid Open Circuit .................................... 40-338
Failure code [DW45KB] Swing Parking Brake Solenoid Short Circuit .................................... 40-341
Failure code [DW45KY] Swing Brake Sol Hot Short Circuit .................................................. 40-343
Failure code [DW4CKY] PPC lock Sol Hot Short Circuit....................................................... 40-345
Failure code [DWJ0KA] Merge-divider Sol Open Circuit....................................................... 40-347
Failure code [DWJ0KB] Merge-divider Sol Short Circuit....................................................... 40-349
Failure code [DWJ0KY] Merge-divider Sol Short Circuit....................................................... 40-351
Failure code [DXA8KA] Front Pump PC-EPC Solenoid Open Circuit .................................... 40-352
Failure code [DXA8KB] Front Pump PC-EPC Solenoid Short Circuit..................................... 40-354
Failure code [DXE7KA] Attachment Flow Regulating EPC 2 Solenoid Open Circuit ............... 40-356
Failure code [DXE7KB] Att Flow Regulating EPC 2 Short Circuit .......................................... 40-358
Failure code [DXE7KY] Attachment Flow Regulating EPC 2 Solenoid Hot Short
Circuit ................................................................................................................ 40-360
Failure code [DXEAKA] Att Flow Regulating EPC 5 Open Circuit ......................................... 40-362
Failure code [DXEAKB] Att Flow Regulating EPC 5 Short Circuit.......................................... 40-364
Failure code [DXEAKY] Service Current EPC5 Hot Short Circuit .......................................... 40-366
Failure code [DY20KA] Wiper Motor Open Circuit ............................................................... 40-368
Failure code [DY20MA] Wiper Motor Defective Function...................................................... 40-370
Failure code [DY2CKB] Washer Motor Short Circuit ............................................................ 40-372
Failure code [DY2DKB] Wiper Motor (Normal) Short Circuit ................................................. 40-374
Failure code [DY2EKB] Wiper Motor (Reverse) Short Circuit................................................ 40-376
Troubleshooting of electrical system (E-mode) .......................................................................... 40-378
E-1 Engine does not start (Engine does not crank) .............................................................. 40-378
E-2 Manual preheating system does not work..................................................................... 40-384
E-3 While preheating is working, preheating monitor does not light up .................................. 40-387
E-4 When starting switch is turned to ON position, machine monitor displays nothing............. 40-389
E-5 Engine coolant temperature monitor lights up in white while engine is running ................. 40-392
E-6 Hydraulic oil temperature monitor lights up in white while engine is running ..................... 40-393
E-7 Charge level monitor lights up while engine is running ................................................... 40-394
E-8 Fuel level monitor lights up in red while engine is running .............................................. 40-395
E-9 Engine coolant temperature monitor lights up in red while engine is running .................... 40-396
E-10 Hydraulic oil temperature monitor lights up in red while engine is running ...................... 40-397
E-11 Engine oil pressure monitor lights up in red while engine is running............................... 40-398
E-12 Fuel gauge display does not move from minimum or maximum .................................... 40-399
E-13 Fuel gauge indicates incorrect amount (indicates neither full nor empty)........................ 40-400
E-14 Engine coolant temperature gauge display does not move from minimum or
maximum ........................................................................................................... 40-401
E-15 Engine coolant temperature gauge indicates incorrect temperature (indicates neither full
nor empty).......................................................................................................... 40-402
E-16 Hydraulic oil temperature gauge does not move from minimum or maximum ................. 40-403
E-17 Hydraulic oil temperature gauge indicates incorrect temperature (indicates neither full nor
empty) ............................................................................................................... 40-405
E-18 Some areas of machine monitor screen are not displayed............................................ 40-406
E-19 Function switch does not work................................................................................... 40-407
E-20 Automatic warm-up system does not operate (in cold season)...................................... 40-408
E-21 Auto-deceleration monitor does not light up, or does not go out, while auto-deceleration
switch is operated ............................................................................................... 40-409
E-22 Auto-deceleration function does not operate or is not canceled while lever is
operated ............................................................................................................ 40-410
E-23 Working mode selection screen is not displayed while working mode selector switch is
operated ............................................................................................................ 40-412
E-24 Setting of engine and hydraulic pump is not changed while working mode is
changed............................................................................................................. 40-413
E-25 Travel speed monitor does not change when travel speed switch is operated ................ 40-414
E-26 Travel speed does not change while travel speed selection is changed......................... 40-415
E-27 Alarm buzzer does not stop sounding......................................................................... 40-416
E-28 Service meter is not displayed, while starting switch is in OFF position.......................... 40-417
PC88MR-10
00 Index and foreword
Index
00-7