Welcome to ZMRC's newly launched S19k Pro Intensive Repair Course, which focuses on the BHB56903 hash board. You will follow experienced engineers through real-world case studies to gain a direct understanding of the most common hash board malfunctions, such as sudden s in hash rate, frequent restarts, and specific chip errors. The course clearly demonstrates the complete troubleshooting process, from power supply measurements and chip testing to firmware checks, step-by-step pinpointing the root cause. We emphasize key component testing methods, safe replacement procedures, and post-repair verification standards. Whether you are an individual miner looking to improve your skills or a technician responsible for the operation and maintenance of large-scale mining farms, this highly focused and practical course will provide you with directly applicable professional knowledge and solutions, enabling you to no longer be helpless when facing hash board failures and quickly restore stable operation of your miners.
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.