Komatsu PC88MR-10 Shop Manual page 1430

Failure code [DHSCMA] Arm OUT PPC Press
Sens Def Function .................................... 40-317
Failure code [DHSDMA] Bucket DUMP PPC
Press Sens Def Function ........................... 40-319
Failure code [DHSPMA] Boom Swing LH PPC
Press Sensor Abnormality ......................... 40-321
Failure code [DHSQMA] Boom Swing RH PPC
Press Sensor Abnormality ......................... 40-323
Failure code [DKULKA] PPC Lock Relay Open
Circuit ...................................................... 40-325
Failure code [DKULKB] PPC Lock Relay Short
Circuit ...................................................... 40-327
Failure code [DKULKY] PPC Lock Relay Hot
Short Circuit ............................................. 40-329
Failure code [DV20KB] Travel Alarm Short
Circuit ...................................................... 40-331
Failure code [DW43KA] Travel Speed Solenoid
Open Circuit ............................................. 40-333
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 Solenoid
System 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] Service Current EPC2
Open Circuit ............................................. 40-356
Failure code [DXE7KB] Service Current EPC2
Short Circuit ............................................. 40-358
Failure code [DXE7KY] Service Current EPC2
Hot Short Circuit........................................ 40-360
Failure code [DXEAKA] Service Current EPC5
Open Circuit ............................................. 40-362
Failure code [DXEAKB] Service Current EPC5
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 Drive Short
Circuit ...................................................... 40-372
PC88MR-10
Failure code [DY2DKB] Wiper Motor (Normal)
Short Circuit ............................................. 40-374
Failure code [DY2EKB] Wiper Motor (Reverse)
Short Circuit ............................................. 40-376
Failure code [879CKA] Ventilating Sensor
Open Circuit ............................................... 80-60
Failure code [879CKB] Ventilating Sensor
Short Circuit ............................................... 80-61
Failure code [879EMC] Ventilation Damper
Malfunction................................................. 80-64
Failure code [879FMC] Air Mix Damper
Malfunction................................................. 80-65
Failure code list related to air conditioner ........ 80-53
Failure mode and cause table ...................... 40-457
Fuse location table........................................ 40-99
H-1 All of work equipment, swing and travel
operation lacks speed or power .................. 40-465
H-2 Engine speed drops significantly or engine
stalls ........................................................ 40-467
H-3 Any of work equipment, swing and travel
does not work ........................................... 40-468
H-4 Unusual sound is heard from around
hydraulic pump ......................................... 40-469
H-5 Fine control performance or response is
poor ......................................................... 40-470
H-6 Boom speed or power is low .................. 40-471
H-7 Arm speed or power is low..................... 40-474
H-8 Bucket speed or power is low ................ 40-476
H-9 Boom swing speed or power is low......... 40-478
H-10 Blade speed or power is low ................ 40-480
H-11 Work equipment does not move in single
operation.................................................. 40-482
H-12 Hydraulic drift of boom is large ............. 40-483
H-13 Hydraulic drift of arm is large................ 40-484
H-14 Hydraulic drift of bucket is large............ 40-485
H-15 Hydraulic drift of blade is large ............. 40-486
H-16 Time lag of work equipment is large...... 40-487
H-17 In combined operation of work equipment
, equipment having heavier load moves
slower ...................................................... 40-489
H-18 In combined operation of swing and
boom RAISE, boom rising speed is low....... 40-490
H-19 In combined operation of work equipment
or swing and travel, travel speed drops largely...40-
491
H-20 Machine does not travel straight........... 40-493
H-21 Travel speed is slow............................ 40-495
H-22 Machine is hard to steer or travel power
is low ....................................................... 40-497
H-23 Travel speed does not change, or travel
speed is too slow or fast ............................ 40-500
H-24 One of tracks does not run................... 40-501
H-25 Upper structure does not swing to the
right or left ................................................ 40-503
H-26 Upper structure swing only to the right or
left ........................................................... 40-504
INDEX
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