Komatsu PC400-7, 400LC-7 Excavator Fault Codes List
See also:
Komatsu PC400-7
Diagnosing Faults When Displaying 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
Komatsu Excavators Error Codes Manual PDF
Error Codes for Komatsu Excavator’s PC400-7, 400LC-7 – Electrical Equipment
