Compressor Tries to Start Then Stops? Mini Split AC Board Repair (E4 Fix)

Is your mini split AC compressor trying to start but shutting down after a few seconds? If you're facing the frustrating E4 error, this step-by-step repair guide will help you troubleshoot and fix the issue. In this video, we diagnose the AC PCB board, test the IGBTs, IPM module, and compressor circuit, and find out why the compressor isn’t staying on. Whether you're an HVAC technician, DIY repair enthusiast, or a homeowner trying to save on costly repairs, this tutorial will walk you through identifying faulty components, checking voltages with a multimeter, and restoring your mini split AC to working condition. Don't replace your PCB just yet—watch this repair guide and fix your AC like a pro!

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Видео Compressor Tries to Start Then Stops? Mini Split AC Board Repair (E4 Fix) канала Forever Tech English