- The AvalonMiner A9 series hash board maintenance course tutorial mainly explains the working principle of the hash board and the troubleshooting method of specific faults. Easy-to-understand courses can help you quickly understand the principles and maintenance ideas. The specific courses include the powering process of the A921 hash board, the transmission direction of the signals, the demonstration of the voltage test point, etc. The combination of theoretical courses and operation exercises can make it easy for you to learn. Quick to master. The Avalon online course launched by ZMRC can help newbies become ASIC Avalon repair masters.
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Company Phone: +86-023-72227777
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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