Service technicians have no problem recognising breakdowns and carrying out machine diagnostics, Komatsu excavator fault codes list, plus they are familiar with equipment from a variety of manufacturers.
Komatsu PC200-8 / PC200-6 / PC300-6 / PC400-6 / PC200-7 excavator fault code
User code (displayed automatically when there is a fault)
Code:
989L00, engine controller lock warning (mode 1).
989M00, engine controller lock warning (mode 2).
989N00, engine controller lock warning (mode 3).
A000N1. Engine overspeed.
A000N2 engine at low idle beyond the ratings.
AA10NX, air filter clogged.
AB00KE, the charging voltage is too low.
B @ BAZG, engine oil pressure is too low.
B @ BAZK, the oil level is too low.
B @ BCNS, engine coolant overheating.
B @ BCZK, the coolant level is too low.
B @ HANS, hydraulic oil overheating.
Service code (the need for switching operation)
Code:
CA111, engine controller internal fault.
CA115, engine speed sensor and backup speed sensor failure.
CA122, intake air pressure sensor feedback voltage is too high failure.
CA123, intake air pressure sensor feedback voltage is too low failure.
CA131, throttle plate sensor feedback voltage high failure.
CA132, throttle plate sensor feedback voltage low failure.
CA144, coolant temperature sensor feedback voltage is too high failure.
CA145, coolant temperature sensor feedback voltage is too low failure.
CA153, intake air temperature sensor feedback voltage is too high failure.
CA154, intake air temperature sensor feedback voltage is too low failure.
CA155, intake air temperature is too high (over limit).
CA187, sensor supply two high voltage fault.
CA221, the feedback voltage is too high ambient pressure sensor failure.
CA222, environmental pressure sensor feedback voltage is too low failure.
CA227, sensor supply two high voltage fault.
CA234, engine overspeed.
CA238, speed sensor supply voltage failure.
CA271, IMV / PCV1 short circuit.
CA272, IMV / PCV1 circuit.
CA322, nozzle 1 circuit, short-circuit faults.
CA323, nozzle 5 open circuit, short circuit faults.
CA324, nozzle 3 open circuit, short circuit faults.
CA325, nozzle 6 circuit, short-circuit faults.
CA331, nozzle 2 open circuit, short circuit faults.
CA332, nozzle 4 circuit, short-circuit faults.
CA342, the correction code is incorrect.
CA351, jet drive circuit failure.
CA352, sensor supply voltage is too low failure.
CA386, sensor supply voltage is too high failure.
CA428, fuel moisture sensor feedback voltage is too high failure.
CA429, fuel moisture sensor feedback voltage is too low failure.
CA435, engine oil pressure switch failure.
CA441, the battery voltage is too low failure.
CA442, the battery voltage is too high failure.
CA449, common rail high pressure failure.
CA451, rail pressure sensor feedback value is too high failure.
CA452, rail pressure sensor feedback value is too low failure.
CA488, intake air temperature is too high (torque reduction).
CA553, common rail high pressure failure.
CA559, common rail pressure is too low failure.
CA689, engine speed sensor fault.
CA731, spare engine speed sensor signal phase fault.
CA757, all data is lost.
CA778, spare engine speed sensor fault.
CA633, data transport suspend failure.
CA2185, throttle plate supply voltage is too high failure.
CA2186, throttle plate supply voltage is too low failure.
CA2249, common rail pressure is too low failure.
CA2311, IMV solenoid valve failure.
CA2555, intake air preheating voltage is too high failure.
CA2556, preheat intake low voltage fault.
D19JKZ, personalized transcoding exception.
D862KA, GPS antenna circuit.
DA22KK, pump solenoid valve power supply voltage is too low failure.
DA25KP, 5V sensor supply is abnormal.
DA29KQ, mode selection error.
DA2RMC, CAN circuit (monitor).
DGH2KB, hydraulic oil temperature sensor short circuit.
DHPAMA, before the pump pressure sensor is abnormal.
DHPBMA, the pump pressure sensor is abnormal.
DHS3MA, PPC stick back pressure sensor is abnormal.
DHS4MA, bucket involved in PPC pressure sensor anomaly.
DHS8MA, Boom PPC pressure sensor anomaly.
DHSAMA, turning right PPC pressure sensor anomaly.
DHSBMA, turning left PPC pressure sensor anomaly.
DHSDMA, bucket open PPC pressure sensor anomaly.
DHX1MA, load sensor is abnormal.
DW43KA, walking high and low conversion solenoid valve circuit.
DW43KB, walking high and low conversion solenoid shorted.
DW45KA, rotary solenoid valves keep breaking.
DW45KB, rotary holding solenoid valve is shorted.
DW91KA, two overflow solenoid valve circuit.
DW91KB, walking bus solenoid shorted.
DWA2KA, spare solenoid valve circuit.
DWA2KB, spare solenoid shorted.
DWK0KA, two overflow solenoid valve circuit.
DWK0KB, two overflow solenoid shorted.
DXA8KA, before the pump PC-EPC solenoid valve circuit.
DXA8KB, before the pump PC- EPC solenoid shorted.
DXA9KA, after the pump PC-EPC solenoid valve circuit.
DXA9KB, after the pump PC-EPC solenoid shorted.
DXE0KA, LS-EPC solenoid valve circuit.
DXE0KB, LS-EPC solenoid shorted.
DXE4KA, emergency EPC circuit breaker.
DXE4KB, emergency EPC circuit.
DXE5KA, pumps merging / diverging main solenoid valve circuit.
DXE5KB, pump confluence / diverging main solenoid valve is shorted.
DXE6KA, pump confluence / LS solenoid valve shunt circuit.
DXE6KB, pump confluence / shunt LS solenoid shorted.
DY20KA, wiper not working.
DY20MA, wiper parked exception.
DY2CKA, spray motor circuit.
DY2CKB, spray motor shorted.
E01, HYPER system in automatic mode systems.
E02, PC-EPC system.
E03, Swing parking brake system.
E04, HYPER system joystick-bit systems.
E05, governor motor system.
E06, HYPER system EPC solenoid valve drive system.
E08, DK10KZ. Throttle potentiometer failure.
E09, HYPER-GX system shutdown. CALL, HYPER joystick and EPC solenoid valve drive system.
E10, engine controller power failure, the engine control drive system circuit fault (this engine is stopped. E11, engine control system failure (reduction of output power, to protect the engine).
E14, feedback system abnormalities.
E15, engine sensors (temperature, fuel pressure, oil pressure) fault.
EOE, network failure.
E101, fault history exception.
E102, clock data anomalies.
E103, buzzer output short circuit, buzzer driving harness contact with the 24V power cable.
E104, air filter clogging.
E108, the water temperature above 105 ℃.
E112, wiper motor drive forward system shorted (new).
E113, reversing wiper motor drive system short-circuit (new).
E114, spray drive circuit shorted (new).
E202, LS select solenoid valve circuit.
E203, Swing parking brake solenoid valve circuit.
E204, pump confluence / bypass solenoid valve circuit.
E205, two overflow solenoid circuit.
E206, walking speed converter solenoid circuit.
E207, fast mode solenoid valve circuit.
E208, fast mode solenoid circuit breaker.
E213, Swing parking brake solenoid valve circuit breaker.
E214, pump confluence / diverter solenoid circuit breaker.
E215, two overflow solenoid circuit breaker.
E216, walking speed converter solenoid circuit.
E207, fast mode solenoid valve circuit.
E208, fast mode solenoid circuit breaker.
E213, Swing parking brake solenoid valve circuit breaker.
E214, pump confluence / diverter solenoid circuit breaker.
E215, two overflow solenoid circuit breaker.
E216, walking speed converter solenoid circuit breaker.
E217, mode selection input fault.
E218, the network in response to a timeout failure.
E222, LS-EPC solenoid circuit.
E223, LS-EPC solenoid circuit breaker.
E224, before the pump pressure sensor circuit is abnormal.
E225, the pump pressure sensor circuit is abnormal.
E226, pressure sensor circuit power anomalies.
E227, the engine speed sensor is abnormal.
E231, activation (rotary) solenoid circuit.
E232, before the pump TVC solenoid circuit shorted (old).
E233, before the pump TVC solenoid circuit breaker (old).
E225, the pump pressure sensor circuit is abnormal.
E226, pressure sensor circuit power anomalies.
E227, the engine speed sensor is abnormal.
E231, activation (rotary) solenoid circuit.
E232, before the pump TVC solenoid circuit shorted (old).
E233, before the pump TVC solenoid circuit breaker (old).
E235, activation (rotary) solenoid circuit breaker
E236, the pump solenoid circuit shorted TVC
E237, the pump TVC solenoid circuit breaker
E302, rotary stroke control solenoid circuit shorted
E303, rotary stroke control solenoid circuit breaker
E306, feedback potentiometer circuit abnormalities.
E308, fuel dial input anomalies.
E313, Automatic for the fat controller failure (optional)
E315, the battery relay output short circuit
E316, governor motor disorders.
E317, governor motor circuit breaker
E318, governor motor short circuit
E501 mode selection function is not set Error
E502 DA20KT governor pump control data anomalies.
E511 boom angle sensor short circuit.
Komatsu PC200-8, PC200LC-8
CA111, EMC critical internal faults.
CA115, Ne and engine speed sensor fault.
CA122, high pressure pneumatic pressure sensor fault.
CA123, Low inflation pressure sensor fault.
CA131, high pressure throttle sensor fault.
CA132, Low throttle sensor fault.
CA144, high pressure coolant temperature sensor fault.
CA145, Low coolant temperature sensor fault.
CA153, high pressure pneumatic temperature sensor fault.
CA154, low pressure pneumatic temperature sensor fault.
CA155, high-speed inflatable temperature drops.
CA187, sensor supply two low voltage fault.
CA221, environmental pressure sensor high voltage fault.
CA222, Low ambient pressure sensor fault.
CA227, sensor supply two high voltage fault.
CA234, engine overspeed.
CA238, Ne speed sensor supply voltage failure.
CA271, IMV / PCV1 short circuit fault.
CA272, IMV / PCV1 open fault.
CA322, # 1 Injector (L # 1) open / short fault.
CA323, # 5 Injector (L # 5) open / short fault.
CA324, # 3 Injector (L # 3) open / short fault.
CA325, # 6 Injector (L # 6) open / short fault.
CA331, # 2 Injector (L # 2) open / short fault.
CA332, # 4 Injector (L # 4) open / short fault.
Error Codes for PC400-7, 400LC-7 Electrical Equipment
Error code electrical equipment [E112] (Short circuit in the circuit of the normal rotation of the electric wiper) 20-306
Electrical equipment error code [E113] (Short circuit in the reverse rotation of the electric wiper drive) 20-308
Electrical equipment error code [E114] (Short circuit in the circuit of the electric windshield washer) 20-310
Electrical equipment error code [E115] (Violations in the movement of the windscreen wiper) 20-312
Electrical equipment error code [Е116] (Malfunction of the wiper retractor mechanism) 20-314
Electrical Equipment Error Code [E201] (Short Circuit in Solenoid Blocking Solenoid Valve) 20-322
Electrical equipment error code [Е203] (Short circuit in the solenoid valve circuit of the platform turning brake) 20-324
Electrical equipment error code [Е204] (Short circuit in the circuit of the solenoid valve of the flow divider) 20-326
Electrical equipment error code [Е205] (Short circuit in a two-stage electromagnetic unloading valve) 20-327
Error code electrical equipment [E206] (Short circuit in the circuit of the solenoid valve switching speed range of movement) 20-328
Electrical equipment error code [Е211] (Open circuit of the electromagnetic valve blocking movement) 20-329
Electrical equipment error code [Е213] (Open circuit in the solenoid valve of the platform rotation brake) 20-330
Electrical equipment error code [Е214] (Open circuit in the solenoid valve of the flow divider) 20-332
Electrical equipment error code [Е215] (Open circuit in a two-stage electromagnetic unloading valve) 20-333
Electrical equipment error code [Е216] (Open circuit in the solenoid valve for switching the speed range of movement) 20-334
Electrical equipment error code [E217] (Malfunction in the model code entry scheme) 20-336
Electrical equipment error code [E218] (S-NET block open circuit) 20-338
Electrical equipment error code [Е222] (Short circuit in the solenoid LS-EPC) 20-340
Electrical equipment error code [Е223] (Open circuit in the solenoid LS-EPC) 20-341
Electrical Equipment Error Code [E224] (Front Pump Pressure Sensor Malfunction) 20-342
Electrical equipment error code [E225] (Malfunction of the rear pump pressure sensor) 20-344
Electrical equipment error code [E226] (Malfunction in pressure sensor power supply circuit) 20-346
Electrical equipment error code [E227] (Motor speed sensor malfunction) 20-348
Electrical equipment error code [Е228] (Short circuit in the circuit of the switching relay of the auxiliary equipment) 20-349
Electrical equipment error code [Е232] (Short circuit in solenoid circuit PC-EPC) 20-350
Electrical equipment error code [Е233] (Open circuit in the solenoid circuit PC-EPC) 20-352
Electrical equipment error code [Е238] (Open circuit in the auxiliary work equipment switching relay circuit) 20-354
Electrical equipment error code [Е245] (Short circuit in the EPC solenoid circuit regulating the flow of oil to the additional working equipment) 20-356
Electrical equipment error code [Е246] (Short circuit in the EPC solenoid circuit that regulates the flow of oil to the additional working equipment) 20-357
Electrical equipment error code [E247] (Malfunction of the pressure sensor PPC handle in the FOLDING mode) 20-358
Electrical equipment error code [E248] (Malfunction of the pressure sensor PPC bucket in the FOLDING mode) 20-360
Electrical equipment error code [E257] (Malfunction of the communication channel with the pump) 20-362
Electrical equipment error code [E315] (Short circuit in the output circuit of the battery relay) 20-364
Electrical equipment error code [Е91В] (Motor sensor Ne fault) 20-366
Electrical equipment error code [Е91С] (Motor sensor G malfunction) 20-367
Electrical equipment error code [Е920] (Error selecting engine type) 20-368
Electrical equipment error code [Е921] (Engine type mismatch) 20-370
Electrical equipment error code [Е931] (Error in the fuel control circuit) 20-372
Electrical equipment error code [Е934] (Malfunction in the engine coolant high temperature sensor circuit) 20-374
Electrical equipment error code [Е936] (Malfunction in the engine oil pressure switch circuit) 20-376
Electrical equipment error code [Е93С] (Malfunction in the charge pressure sensor circuit) 20-378
Electrical equipment error code [E93D] (Malfunction in the engine fuel temperature sensor circuit) 20-380
Electrical equipment error code [E953] (Malfunction in the communication channel with the engine) 20-382
Electrical equipment error code [E954] (Short circuit in the starting switch circuit) 20-384
Electrical equipment error code [Е955] (S-NET unit malfunction) 20-386
Error code electrical equipment [E956] (loss of engine power (1)) 20-388
Error code electrical equipment [E957] (loss of engine power (2)) 20-390
Electrical equipment error code [Е95А] (Error in the fuel injection regulator circuit) 20-392
Electrical equipment error code [Е96А] (Error in the engine coolant low temperature sensor circuit) 20-394
Electrical equipment error code [Е970] (Solenoid PCV1 overcurrent) 20-396
Electrical equipment error code [Е971] (Overcurrent of solenoid PCV2) 20-397
Electrical equipment error code [Е974] (Open circuit of the solenoid PCV1) 20-398
Electrical equipment error code [Е975] (Open circuit of the solenoid PCV2) 20-399
Electrical equipment error code [Е977] (Malfunction in the circuit of the pressure sensor of the injection high pressure fuel line) 20-400
Electrical equipment error code [Е979] (High pressure fuel injection line) 20-402
Electrical equipment error code [Е97А] (Unintended pressure in high pressure fuel supply line) 20-402
Electrical equipment error code [Е97В] (Low pressure in the injection fuel line) 20-403
Electrical equipment error code [E97С] (Excessively low pressure in the high pressure fuel injection line) 20-405
Electrical equipment error code [Е97D] (pressure in the high pressure fuel injection pipe is not adjustable) 20-405
Electrical equipment error code [Е980] (Motor controller malfunction) 20-406
Electrical equipment error code [Е981] (Open circuit of the fuel injector 1) 20-408
Electrical equipment error code [Е982] (Open circuit of the fuel injector 2) 20-409
Electrical equipment error code [Е983] (Open circuit of the fuel injector 3) 20-410
Electrical equipment error code [Е984] (Open circuit of the fuel injector 4) 20-411
Electrical equipment error code [Е985] (Open circuit of the fuel injector 5) 20-412
Error code of electrical equipment Е986 (Open circuit of the fuel injector 6) 20-413
Electrical equipment error code [Е98А] (Short circuit in fuel injector circuits 1 – 3) 20-414
Electrical equipment error code [Е98В] (Short circuit in the fuel injector 4 – 6 circuits) 20-416
Mechanical system fault code [A000N2] (Engine speed is below standard) 20-418
Mechanical system malfunction code [A000N1] (Engine speed is above standard) 20-418
Mechanical system malfunction code [AA10NX] (Clogged air cleaner) 20-420
Mechanical System DTC [AB00KE] (Low Voltage Charging) 20-422
Mechanical system fault code [B @ BAZG] (Low engine oil pressure) 20-424
Mechanical system fault code [B @ BAZK] (Low engine oil level) 20-426
Mechanical System DTC [B @ BCNS] (Engine Coolant Overheated) 20-427
Mechanical system fault code [B @ BCZK] (Low engine coolant level) 20-428
Mechanical system fault code [B @ HANS] (Hydraulic oil overheated) 20-429
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