Komatsu PC400-7 Excavator Error Codes List

By | 23/10/2018

Komatsu PC400-7, 400LC-7 Excavator Fault Codes List

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Komatsu PC400-7, 400LC-7 Excavator Fault Codes List

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