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


A lot of things change with weather swings. Study your run issues while taking note of charge air temps. They want intake temps at 114 F. If you start climbing into the 124 F and up things will get less stable. What are you’re engines rated at? We top off at 18.9 MW and it’s a tight line when any contributor is less than ideal. Open your charge air drains when you’re at full load on a humid day it will show you how much water they can run with. What they don’t like is unstable fuel delivery, quality or pressure. Keep an eye on that.