Komatsu D65EX-15E0, D65PX-15E0, D65WX-15E0 — TABLE OF CONTENTS

00 Index and foreword SEN00055-02 Troubleshooting by failure code (Display of code), Part 3 SEN00591-00 Troubleshooting by failure code (Display of code), Part 3........................................................... 4 Failure code [D110KA] Battery relay: Short circuit .................................................................. 4 Failure code [D110KB] Battery relay: Disconnection............................................................... 6 Failure code [D130KA] Neutral safety relay: Disconnection.................................................... 8 Failure code [D130KB] Neutral safety relay: Short circuit .......................................................

10 Failure code [D161KA] Back-up alarm relay: Disconnection................................................... 12 Failure code [D161KB] Back-up alarm relay: Short circuit ...................................................... 14 Failure code [DAFRKR] Monitor panel CAN communication: Defective communication ........ 16 Failure code [DAQ0KT] [DB30KT] Steering and transmission controller: Abnormality in controller ........................................................................... 18 Failure code [DAQ1KK] [DB31KK] Main power source of steering and transmission controller: Power source voltage drop and input .................

20 Failure code [DAQ2KK] [DB32KK] Load power source of steering and transmission controller: Power source voltage drop and input ................. 22 Failure code [DAQ5KK] [DB35KK] Steering and transmission controller sensor 5 V power source: Power source voltage drop and input................................ 24 Failure code [DAQ6KK] [DB36KK] Steering and transmission controller sensor 24 V power source: Power source voltage drop and input................................ 26 Failure code [DAQ9KQ] [DB39KQ] Steering and transmission controller model selection: Inconsistency in model select signal.........................................................

28 Failure code [DB2RKR] Steering and transmission controller CAN communication: Defective communication.......................................................................... 30 Failure code [DB30KT] [DAQ0KT] Steering and transmission controller: Abnormality in controller ........................................................................... 32 Failure code [DB31KK] [DAQ1KK] Main power source of steering and transmission controller: Power source voltage drop and input ................. 32 Failure code [DAB32KK] [DAQ2KK] Load power source of steering and transmission controller: Power source voltage drop and input .................

32 Failure code [DB35KK] [DAQ5KK] Steering and transmission controller sensor 5 V power source: Power source voltage drop and input................................ 32 Failure code [DB36KK] [DAQ6KK] Steering and transmission controller sensor 24 V power source: Power source voltage drop and input................................ 32 Failure code [DB39KQ] [DAQ9KQ] Steering and transmission controller model selection: Inconsistency in model select signal......................................................... 32 Failure code [DD12KA] Shift up switch: Disconnection ........................................................... 34 Failure code [DD12KB] Shift up switch:

Short circuit............................................................... 36 Failure code [DD13KA] Shift down switch: Disconnection ...................................................... 38 Failure code [DD13KB] Shift down switch: Short circuit .......................................................... 40 Failure code [DD14KA] [DDQ2KA] Parking brake lever switch: Disconnection ...................... 42 Failure code [DD14KB] [DDQ2KB] Parking brake lever switch: Short circuit .......................... 44 Failure code [DDN7KA] Pitch control switch: Disconnection................................................... 46 Failure code [DDN7KB] Pitch control switch:

Short circuit ...................................................... 48 Failure code [DDQ2KA] [DD14KA] Parking brake lever switch: Disconnection ...................... 50 Failure code [DDQ2KB] [DD14KB] Parking brake lever switch: Short circuit .......................... 50 Failure code [DGS1KX] Hydraulic oil temperature sensor: Input signal is out of normal range 52 Failure code [DGT1KA] Power train oil temperature sensor: Disconnection ........................... 54 Failure code [DGT1KX] Power train oil temperature sensor: Input signal is out of normal range............................................................................................. 55 Failure code [DK10KA] Fuel dial:

Disconnection..................................................................... 56 Failure code [DK10KB] Fuel dial: Short circuit ........................................................................ 58 Failure code [DK30KA] Steering potentiometer (1): Disconnection......................................... 60 Failure code [DK30KB] Steering potentiometer (1): Short circuit ............................................ 62 Failure code [DK30KX] Steering potentiometer: Input signal is out of normal range............... 64 Failure code [DK30KZ] Steering potentiometer: | Disconnection or short circuit (Double failure) ..........................................

65 Failure code [DK30L8] Steering potentiometer: Inconsistent analog signal ............................ 65 Failure code [DK31KA] Steering potentiometer (2): Disconnection......................................... 66 D65EX, PX, WX-15E0 9