1. Make sure that the power supply (the lights can be found), the control board (the miner status can be found) and the two fans can work normally.
2. Make sure that one tested hash board is connected to the control board and power supply, and disconnected from the remaining two hash boards.
Connect the hash board, control board and power supply as shown below:

Normal miner status of testing hash board:

Dear Customers,
Hello everyone, as China is about to usher in the Spring Festival, international logistics will be suspended. Zeus Mining is scheduled to stop shipping on February 11, 2026, and start the Spring Festival holiday from February 12 to February 23, 2026 (GMT+8). Pre-sales and after-sales service will reply to the information on February 24, 2026, and shipping will resume on February 24, 2026. Thank you for your support and trust in 2025. In 2026 and the future, we will bring better products and services to our friends.
Best wishes,
ZEUS MINING CO., LTD.