1. Because the product is not installed according to the specifications, it is arbitrarily loaded and unloaded, and the product is damaged due to the separation of components, unstable links, open circuit of the circuit board, etc.;
2. Products that cannot be put on the shelves due to improper operation, including but not limited to product damage caused by reverse plugging, less plugging or no plugging;
3. Disassemble, modify or repair damaged products without written or electronic authorization from Party A;
4. Products with insufficient computing power or damage due to mismatch due to the use of unofficial accessories, including but not limited to power supplies, control boards, fans, cables, etc.;
5. Use unofficial supporting software, resulting in products with poor computing power, abnormal computing power, and burnt chuck;
6. The product modifies the operating parameters of the product by itself (such as overclocking), resulting in shortened service life or direct damage to the product;
7. Damage caused by improper use of electricity, power grid and environment, including but not limited to humid environment, corrosive environment, ultra-high temperature environment, dust particles, abnormal voltage and current (surge, impact, instability), etc.;
8. Products whose serial numbers have been maliciously modified, defaced or intentionally deleted;
9. Losses caused by natural disasters, including but not limited to earthquakes, fires, rainstorms, sandstorms, etc.