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This T21 hash board troubleshooting training course differs from the advanced course. It only explains common fault symptoms of this hash board, such as finding only 0 ASIC chips, finding only 105 chips (or other quantities), and abnormal temperature. For these different faults, the course explains in detail the troubleshooting steps and how to complete the repair by replacing the main components. This reduces maintenance and downtime, allowing faulty hash boards to quickly return to normal operation.
Recommended Repair Equipment, Tools, and Materials:
1. Repair Equipment: Constant temperature heating platform
2. Multimeter: For measuring voltage, resistance value, and circuit continuity, etc.
3. Hashboard Testing Tools: PicoBT test fixture
4. Auxiliary Materials: Soldering auxiliary materials kits for ASIC miner repair
5. Common Spare Materials: Antminer S21 T21 hash board replacement parts kit
Attention: To learn this course, you need to master the soldering of components on this hash board. Please watch and learn from the Relevant Videos (free of charge).
China Mainland
Hong Kong
Business Hours: (GMT+8) 08:30-20:00 Mon to Sat
Company Phone: +86-023-72227777
Dear Friends,
Hello everyone, May 1-5, 2026 (GMT+8) are the May Day holidays in China. During this period, our customer support and course tutor teams may experience delays in responding to your inquiries.
We appreciate your patience and understanding. Normal response times will resume after the holiday.
Thank you for your continued support.
Best wishes,
ZEUS MINING CO., LTD.
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