How to remove the limescale on the XiaoTabletop Dishwasher inner wall?

After a period of use, limescale can appear on the inner wall and tableware due to water quality.
To remove the limescale, please refer to the following steps:
1. Place clean dishes (or dishes with limescale after washing) in the Xiaomi Tabletop Dishwasher and run the Intensive mode without detergent;
2. Run the dishwasher without dishes on the Intensive mode. After 5 minutes, press the pause button and open the door. It is recommended to add citric acid to the inner wall. The white vinegar can also be used as an alternative. Add 15-20 grams of citric acid, or 200mL of white vinegar (up to 300mL for heavy scaling), and resume the mode. This should effectively remove the limescale.