How to determine that the coating on the inner pot of the Xiaomi Multifunctional IH Rice Cooker has fallen off?

There are three main types of inner pot coating problems. Please refer to the following details:
1. Scratches appear on the surface of the inner pot during normal use. The paint on the inner pot of the Xiaomi Multifunctional IH Rice Cooker has scratches after use. This is due to wear and tear from daily use. It is normal for the coating not to fall off;
2. If the coating of the inner pot bubbles or falls off during normal use, it will be replaced free of charge within the warranty period. If it expires, it will be treated as out of warranty;
3. Improper use, long-term dry burning of the rice cooker, placing the inner pot on an open flame stove or induction cooker to heat, causing damage to the coating. The inner pot surface has obvious signs of human error such as bumps and bumps, which are not covered by the warranty.