Whatsminer P221C PSU main power circuit
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The main power circuit is one of the important circuit components of Whatsminer P221C PSU. If this circuit fails, it will be unable to output normal operating voltage, resulting in abnormal powering to the hash board and control board, low hash rate and other failures. This video will learn about how the main power circuit works and demonstrate how to make measurements.
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Spring Festival Holiday Notice
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Dear Friends,
Hello everyone, as China is about to usher in the Spring Festival, our company is scheduled to start the Spring Festival holiday from February 12 to February 23, 2026 (GMT+8). Our pre-sales customer service and course tutors will reply to your message as soon as possible. Please understand and forgive us if we are unable to reply promptly. Thank you for your support and trust in 2025. In 2026 and the future, the ZMRC team will continue to offer you more professional courses and technical support.
Best wishes,
ZEUS MINING CO., LTD.
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