Antminer S21 plus hash board repair course

Bitmain's Antminer S21+ series delivers 216TH/s at 16.5J/TH efficiency, but even next-gen hardware fails. When your S21+ hashboard reports 0 ASIC chips, detects incomplete chip counts, or suffers abnormal temperature faults, downtime burns money.

Our d S21+ hash board online training video course walks you through real‑world repair procedures step by step. You will learn to diagnose common fault symptoms, identify root causes, and execute component level repairs using replacement techniques.

What you get:

- HD video demonstrations of circuit measurement and soldering

- Practical fixes for 0 ASIC, partial chip detection, and sensor failures

- 24/7 access + tutor Q&A support

- Supports repeated viewing and learning

No prior hashboard experience? No problem. Beginners and experienced technicians both benefit.

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 Tool: PicoBT test fixture

4. Auxiliary Materials: Soldering auxiliary materials kits for ASIC miner repair

5. Common Spare Materials: Antminer S21+ (plus) hashboard repair kit