Troubleshooting - Doosan Ingersoll Rand 7/20 Operation And Maintenance Manual

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ENGINE TROUBLESHOOTING
This item contains a simple troubleshooting. When a failure takes place on your Ingersoll Rand engine, diagnose the cause referring this
troubleshooting. Should the cause of failure not be detected or you are unable to manage the failure, consult your machine supply source or nearest
Ingersoll Rand engine service outlet.
Engine does not start
7/20, P65
Starter does not turn.
Starter turns but engine does not
fire.
Engine fires but stalls immediately. Air in the fuel system.
Battery discharged
Bad cable connections.
Starter or starter switch failure.
Safety relay failure.
No fuel injection.
Fuel is injected but engine does not
fire.
Incorrect low idle speed adjustment.
Engine stop solenoid malfunction.
No fuel in the fuel tank.
Clogged fuel filter element.
Air in the fuel system.
Control rack is stuck at no fuel
position.
Incorrect preheating operation.
Faulty air heater.
Incorrect injection timing.
Low cylinder compression
pressure.
Engine stop solenoid not fully
returned.