1. Do not present warranty card when repairing.
2. The information on the warranty card is incomplete and does not match the actual product.
3. Errors due to transportation, natural disasters, use of chemicals, or products being dropped or bumped due to external forces.
4. Errors caused by arbitrarily installing, using, storing improperly, not following the manual or the warnings shown on the product.
5. Natural wear and tear due to use or due to unsuitable environmental conditions where the product is located.