How does the Mijia Air Conditioner Pro Eco A+++ 9K's Auto clean function work?

When the Mijia Air Conditioner Pro Eco A+++ 9K’s Auto clean function is working, the evaporator goes through a series of steps including cooling to condense moisture, frost formation, defrosting, and heated air drying.
For your reference, here are the instructions for auto clean steps:
1. The air conditioner lowers the evaporator temperature to condense moisture from the air, trapping dust and particles on the surface;
2. The moisture then freezes, forming a thin layer of frost that encloses impurities on the evaporator;
3. The device reverses the cycle to melt the frost. As the ice melts, it carries away dirt and debris;
4. Finally, warm air is blown over the evaporator to dry the interior, preventing bacterial growth and unpleasant odors.
This entire self-cleaning cycle takes about 40 minutes and helps maintain cleaner, more efficient operation over time.