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Wartsila’s User Group Forums 50 SG Engine MFI trips – troubleshooting root cause Reply To: MFI trips – troubleshooting root cause


MFI duration exceeded is a symptom, not the cause. You need to backtrack the scenario to see what started it. The quickest response time to capture what is going on will be at the local display at the engine. The log in the control room will just muddy up your troubleshooting. Usually we’ll see the MFI trip generated from high cylinder pressures which can be pretty broad. Are you seeing this at a particular load?