In this video, we investigate fixing the E7 error on a Haier mini split air conditioner by troubleshooting the SMPS (Switched Mode Power Supply) and circuit board. If your Haier AC displays the E7 error, it’s often related to power issues or problems in the SMPS. We’ll walk you through step-by-step on how to check voltages, identify faulty capacitors, and pinpoint where the issue lies. From diagnosing fluctuating VCC voltages to testing components like fuses, relays, and capacitors, this video is perfect for DIY repair enthusiasts and HVAC technicians looking to troubleshoot their Haier AC circuit board issues. Learn how to fix your Haier mini split AC and get it running smoothly again!
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18 сен 2024
