Caterpillar INV2000 troubleshooting: 8 fault codes and symptom-cause-remedy entries from the manufacturer's own service documentation.
Caterpillar INV2000 — full specs, parts & maintenance.
| Symptom | Cause | Remedy |
|---|---|---|
| Engine Will Not Start | Generator switch in the off “0” position | Turn the generator switch to the correct position. |
| Engine Runs Rough (no load) | Dirty air filter | Stop the engine and check the air filter. Clean if needed. Start the engine / check if it runs rough. |
| Engine Runs Rough (with load) | Dirty air filter | Stop the engine and check the air filter. Clean if needed. Start the engine / check if it runs rough. |
| Engine Shuts Down | Out of fuel | Check the fuel. Fill the tank if necessary. |
| Engine Runs, But Generator Does Not Provide Power | Generator overloaded, overload light is on | Turn off and unplug all electrical devices, shut down the engine, wait 10-15 minutes and start the engine, connect fewer or lighter electrical loads. |
| Engine Starts But Runs Rough or Does Not Have Enough Power | Dirty air filter, Generator inclined, Air in fuel line or fuel line clogged, Not enough fuel to the engine, Engine Smart Control switch on, Carbon built up in combustion chamber, Cylinder pressure, Inspect the cylinder head gasket, If the engine still has low power | Check the air filter. Clean or replace as needed., Move generator to a level position., Check the fuel line. Clear or replace needed., Make sure the needle valve is closing properly. Clean or replace as needed., Inspect the fuel nozzle. Clean if needed., Turn the Engine Smart Control switch off., Remove the cylinder head and clean if needed., Refer to the Maintenance Specifications chart for the proper value. Adjust or repair as needed., Replace if damaged., If the engine still has low power, Rebuild the engine, replace the engine, or consider replacing the unit. |
| Engine Making Unusual Sound | Knocking, Check for carbon deposits in the cylinder. Clean if needed., Check the piston and piston rings. If the piston or rings are worn or broken, replace the defective part., Inspect the piston pin and piston pin hole. Replace if worn. | Check the engine temperature. If the engine is running too hot, refer to the section on overheating. Start the engine. Check for unusual sound. Make sure the fuel is good and the proper rating. Drain and refill the fuel tank if necessary., Refer to the Maintenance Specifications chart for the proper value. Adjust or repair as needed., Clean if needed., If the engine still makes an unusual sound, Rebuild the engine, replace the engine, or consider replacing the unit. |
| Engine Overheating | Low Oil | Check the oil. Refill the oil or change the oil as needed., Start the engine and let it reach operating temperature. Check the temperature., If blocked, clear the blockage., Remove the debris., Inspect cylinder, piston, and piston rings. Replace if needed., Inspect connecting rod. Replace if worn. |
Fault codes and symptom→remedy steps extracted from this model’s service/owner documentation; verify against the official manual before servicing.
Documented causes: Generator switch in the off “0” position. See the table for the matching fixes.
Documented causes: Dirty air filter. See the table for the matching fixes.
Documented causes: Dirty air filter. See the table for the matching fixes.