At Cool Dragon Miners, we stand by the quality and performance of the mining hardware we sell, including Whatsminer, Bitmain Miner, ASIC Miner, and Antminer models. Our Warranty Policy protects you against manufacturing defects, giving you peace of mind with every purchase.

2. Warranty Coverage

  • All new mining hardware is covered by the original manufacturer’s warranty.

  • Coverage periods vary depending on the brand and model:

    • Bitmain products: Typically 180–365 days.

    • MicroBT Whatsminer products: Typically 180 days.

  • Warranty covers manufacturing defects in materials or workmanship.

3. What is Covered

  • Malfunctioning control boards.

  • Faulty hash boards.

  • Power supply defects.

  • Internal fan malfunctions.

4. What is Not Covered

The warranty does not cover:

  • Damage caused by improper installation or use.

  • Overclocking or unauthorized modifications.

  • Exposure to moisture, dust, or extreme temperatures.

  • Power surges, lightning strikes, or electrical faults.

  • Normal wear and tear or cosmetic damage.

5. Warranty Claim Process

  1. Contact our Customer Support Team with your order number, product serial number, and a detailed fault description.

  2. Provide clear photos or videos showing the issue.

  3. If approved, we will guide you through the return or repair process.

  4. Repairs are handled by the manufacturer’s authorized service center.

6. Shipping for Warranty Claims

  • Customers are responsible for shipping costs to the service center.

  • Return shipping after repair may be covered depending on the case and manufacturer policy.

7. Important Notes

  • Always keep your purchase receipt and original packaging for warranty purposes.

  • Unauthorized repairs may void your warranty.