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

SEN00055-02 00 Index and foreword Failure code [DK31KB] Steering potentiometer (2): Short circuit............................................. 68 Failure code [DK40KA] Brake potentiometer: Disconnection .................................................. 70 Failure code [DK40KB] Brake potentiometer: Short circuit...................................................... 71 Failure code [DK55KX] Forward-reverse potentiometer: Input signal is out of normal range.. 72 Failure code [DK55KZ] Forward-reverse potentiometer: Disconnection or short circuit (Double failure) .......................................... 73 Failure code [DK55L8] Forward-reverse potentiometer:

Inconsistent analog signal ............... 74 Failure code [DK56KA] Forward-reverse potentiometer (1): Short circuit ............................... 76 Failure code [DK56KB] Forward-reverse potentiometer (1): Disconnection............................ 78 Failure code [DK57KA] Forward-reverse potentiometer (2): Disconnection............................ 80 Failure code [DK57KB] Forward-reverse potentiometer (2): Short circuit ............................... 82 Troubleshooting by failure code (Display of code), Part 4 SEN00592-00 Troubleshooting by failure code (Display of code), Part 4...........................................................

3 Failure code [DKH1KA] [DKH1KX] Pitch angle sensor: Short circuit....................................... 3 Failure code [DKH1KX], [DKH1KA] or [DKH1KB] Pitch angle sensor: Input signal out of range............................................................................ 5 Failure code [DLT3KA] Transmission output speed sensor: Disconnection ............................ 6 Failure code [DLT3KB] Transmission output speed sensor: Short circuit................................ 7 Failure code [DV00KB] Alarm buzzer: Short circuit................................................................. 8 Failure code [DW5AKA] Pitch control solenoid:

Disconnection............................................... 9 Failure code [DW5AKB] Pitch control solenoid: Short circuit................................................... 10 Failure code [DW5AKY] Pitch control solenoid: Short circuit to power source line ................. 11 Failure code [DW7BKA] Fan reverse solenoid: Disconnection................................................ 12 Failure code [DW7BKB] Fan reverse solenoid: Short circuit ................................................... 13 Failure code [DWN1KA] HSS EPC solenoid right: Disconnection........................................... 14 Failure code [DWN1KB] HSS EPC solenoid right:

Short circuit .............................................. 15 Failure code [DWN1KY] HSS EPC solenoid right: Short circuit to power source line ............. 16 Failure code [DWN2KA] HSS EPC solenoid left: Disconnection ............................................. 17 Failure code [DWN2KB] HSS EPC solenoid left: Short circuit................................................. 18 Failure code [DWN2KY] HSS EPC solenoid left: Short circuit to power source line ............... 19 Failure code [DWN5KA] Fan pump TVC solenoid: Disconnection .......................................... 20 Failure code [DWN5KB] Fan pump TVC solenoid: Short circuit..............................................

21 Failure code [DWN5KY] Fan pump TVC solenoid: Short circuit in power source line............. 22 Failure code [DXA0KA] HSS pump TVC solenoid: Disconnection .......................................... 23 Failure code [DXA0KB] HSS pump TVC solenoid: Short circuit.............................................. 24 Failure code [DXA0KY] HSS pump TVC solenoid: Short circuit to power source line............. 25 Failure code [DXH4KA] 1st clutch ECMV: Disconnection........................................................ 26 Failure code [DXH4KB] 1st clutch ECMV: Short circuit ........................................................... 27 Failure code [DXH4KY] 1st clutch ECMV:

Short circuit to power source line.......................... 28 Failure code [DXH5KA] 2nd clutch ECMV: Disconnection ...................................................... 29 Failure code [DXH5KB] 2nd clutch ECMV: Short circuit.......................................................... 30 Failure code [DXH5KY] 2nd clutch ECMV: Short circuit to power source line......................... 31 Failure code [DXH6KA] 3rd clutch ECMV: Disconnection ....................................................... 32 Failure code [DXH6KB] 3rd clutch ECMV: Short circuit........................................................... 33 Failure code [DXH6KY] 3rd clutch ECMV:

Short circuit to power source line.......................... 34 Failure code [DXH7KA] Reverse clutch ECMV: Disconnection............................................... 35 Failure code [DXH7KB] Reverse clutch ECMV: Short circuit................................................... 36 Failure code [DXH7KY] reverse clutch ECMV: Short circuit to power source line................... 37 Failure code [DXH8KA] Forward clutch ECMV: Disconnection ............................................... 38 Failure code [DXH8KB] Forward clutch ECMV: Short circuit................................................... 39 Failure code [DXH8KY] forward clutch ECMV: Short circuit to power source line...................

40 Troubleshooting of electrical system (E-mode) SEN00593-00 Troubleshooting of electrical system (E-mode) ........................................................................... 3 Contents of troubleshooting table ............................................................................................ 5 Contents of troubleshooting table ............................................................................................ 5 E-1 The engine does not start (the starting motor does not turn) ............................................ 6 E-2 The preheater does not operate........................................................................................

10 10 D65EX, PX, WX-15E0