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The Electronic Control Module (ECM) has detected an internal hardware malfunction. This may affect engine performance and monitoring capabilities.
The ECM is not receiving a signal from the engine speed sensor (crankshaft position sensor). Engine will not start or will shut down.
Engine speed has exceeded maximum safe operating limit. This is a critical safety fault that requires immediate shutdown.
The Automatic Voltage Regulator (AVR) is not maintaining proper output voltage. Generator output is unstable or incorrect.
Output voltage has exceeded maximum safe limit. This can damage connected equipment and indicates a serious voltage regulation problem.
Engine oil pressure has dropped below critical minimum. Continued operation will cause severe engine damage.
The built-in battery charger is not functioning correctly. Batteries may discharge over time, preventing generator start.
Engine coolant temperature has exceeded maximum safe operating limit. Engine will derate or shut down to prevent damage.
The fuel injection timing is out of specification. This affects performance, emissions, and can cause engine damage.
No valid signal from crankshaft position sensor. Engine will not start or will shut down immediately.
The starter motor does not engage or turn when start command is given. Generator cannot be started.
The starter motor turns the engine, but the engine does not start and run on its own.
The generator is running but producing no electrical output. All connected loads have no power.