Troubleshooting
8Symptoms & remedies
| Symptom | Cause |
|---|---|
| Engine will not crank | - Battery discharged or faulty - Battery charger (aux. AC powered) malfunctioned - Corroded battery terminals - Faulty starter motor - Faulty starter solenoid - Faulty start relay - Engine in seized condition |
| Engine rotates and will not start | - Inadequate fuel/gas supply - Faulty fuel injection pump or carburetor - Faulty fuel transfer pump - Faulty gas solenoid - Natural gas pressure switch not reset (dual fuel units) - Loose or broken wire in fuel circuit - Faulty injectors/spark plugs |
| Engine hard to start when cold | - Battery discharged, low or faulty - Engine jacket water heater malfunctioned - “Gelling” in diesel fuel supply - Oil not changed to 5w30 below 0 F |
| Engine lacks power (struggles) | - Air filter clogged - Fuel filter (primary and/or secondary) clogged - Insufficient flowrate in fuel supply line - Faulty spark plugs - Improperly applied derating estimates (ambient temperature, altitude, etc.) - Low cylinder compression |
| Battery will not hold a charge | - Charge alternator's drive belt loose - Malfunctioning charge alternator - Battery charger (aux. AC powered) malfunctioned - Faulty Battery |
| Engine overheats | - Low coolant level - Loose fan drive belt - Faulty thermostats - Radiator cap faulty - Coolant blend incorrect |
| Excessive vibration | - Misalignment of engine and generator - Unit installation improper |
| Engine surges | - Unit operating above load capacity - Inadequate fuel supply |
Fault codes and symptom→remedy steps extracted from this unit’s service/owner documentation; verify against the official manual before servicing.
Available documents
Operator's manual
About
Ingersoll Rand 20-275kW Industrial Generators — air compressor. Specifications and parts compiled from manufacturer documents.