Komatsu FB15-14 User Manual

TROUBLESHOOTING

TROUBLESHOOTING WHEN

ERROR CODE IS DISPLAYE D

(ERROR CODE)

Information described in troubleshooting list ........................................................................................... 20-406

Trouble code table ................................................................................................................................... 20-407

Error code Failedsection Trouble

1500L0 Transmission clutch See the list. (L0) CALL E03 20-408

15SAL1 Forward clutch See the list. (L1) CALL E03 20-409

15SALH Forward clutch See the list. (LH) CALL E03 20-410

15SBL1 Reverse clutch See the list. (L1) CALL E03 20-411

15SBLH Reverse clutch See the list. (LH) CALL E03 20-412

15SEL1 1st clutch See the list. (L1) CALL E03 20-413

15SELH 1st clutch See the list. (LH) CALL E03 20-414

15SFL1 2nd clutch See the list. (L1) CALL E03 20-415

15SFLH 2nd clutch See the list. (LH) CALL E03 20-416

15SGL1 3rd clutch See the list. (L1) CALL E03 20-417

15SGLH 3rd clutch See the list. (LH) CALL E03 20-418

A000N1 Engine Overrun (N1) — 20-419

Action

code

Trouble-

shooting

page

AB00MA Alternator Malfunction(MA) — 20-420

AD00L2 Common rail See the list. (L2) CALL E03 20-420

AD00MA Common rail Defective function (MA) CALL E03 20-421

AD10L3 Fuel supply pump See the list. (L3) CALL E03 20-421

AD10MA Fuel supply pump Defective function (MA) CALL E03 20-423

AD10MB Fuel supply pump Function reduction (MB) CALL E03 20-423

AD11KA Fuel supply pump solenoid 1 Disconnection (KA) CALL E03 20-424

AD11KB Fuel supply pump solenoid 1 Short circuit (KB) CALL E03 20-425

AD51KA Fuel supply pump solenoid 2 Disconnection (KA) CALL E03 20-426

AD51KB Fuel supply pump solenoid 2 Short circuit (KB) CALL E03 20-427

ADA1KA No.1 injector solenoid Disconnection (KA) E02 20-428

ADAZKB No.1,2, and 3 injectorsolenoids Short circuit (KB) CALL E03 20-429

D65EX, PX-15

20-401

(1)

TROUBLESHOOTING

Error code to display at the same time

Error code Failedsection Trouble

ADB1KA No.2 injector solenoid Disconnection (KA) E02 20-431

ADC1KA No.3 injectorsolenoid Disconnection (KA) E02 20-432

ADD1KA No.4 injectorsolenoid Disconnection (KA) E02 20-433

ADDZKB No.4, 5, and 6 injector solenoids Short circuit (KB) CALL E03 20-434

ADE1KA No.5 fuel injector solenoid Disconnection (KA) E02 20-436

ADF1KA No.6 fuel injector solenoid Disconnection (KA) E02 20-437

B@BAZG Engine oil Oil pressure reduction (ZG) — 20-438

B@BCNS Radiator coolant Overheat (NS) — 20-438

B@CENS Power train oil Overheat (NS) — 20-439

B@HANS Hydraulic oil Overheat (NS) — 20-439

D110KA Battery relay Short c ircuit (KA) — 20-440

D110KB Battery relay Disconnection (KB) — 20-441

Action

code

Trouble-

shooting

page

D130KA Neutral safety relay Short circuit (KA) E02 20-442

D130KB Neutral safety relay Disconnection (KB) E02 20-444

D161KA Back-up alarm relay Short circuit (KA) E01 20-446

D161KB Back-up alarm relay Disconnection (KB) E01 20-448

D182KZ Preheater relay coil D isconnection or short circuit (KZ) E01 20-450

D1D0KB Engine controller load power supply relay Short circuit (KB) E02 20-452

D5ZFKA Transmission neutral signal Disconnection (KA) E01 20-454

D5ZFKB Transmission neutral signal Short circuit (KB) E01 20-455

DAFRKR Monitor panel CAN communication Defective communication (KR) CALL E03 20-456
DAQ0KK

DB30KK
DAQ0KT Steering and transmission controller Abnormality in controller(KT) E02 20-459

DAQ5KK
DB35KK

DAQ6KK
DB36KK

DAQ9KQ

DB39KQ

DB3RKR

Steering and transmission controller Source voltage reduction/input (KK) CALL E04 20-458

Steering and transmission controller sensor
5 V power supply

Steering and transmission controller sensor
24 V power supply

Steering and transmission controller type
collation

Steering and transmission controller CAN
communication

Source voltage reduction/input (KK) CALL E03 20-460

Source voltage reduction/input (KK) CALL E03 20-462

Type select signal inconsistency (KQ) CALL E04 20-463

Defective communication (KR) CALL E03 20-464

DB20KQ Engine controller type collation Type select signal inconsistency (KQ) CALL E03 20-466

DB20KT Engine controller Abnormality in controller (KT) CALL E03 20-467

20-402

D65EX, PX-15

(1)