The SN (Serial Number) of the Mijia Air Conditioner Pro Eco 5-Star 1.0 HP Inverter is a unique identifier assigned to each unit, used for tracking, warranty services, and troubleshooting.
The air conditioner's SN can be found in multiple locations:
1. Packaging box labels (both indoor and outdoor units);
2. Right side panel label of the indoor unit;
3. Accessory bag inside the indoor unit (SN sticker);
4. Inner label of the large handle on the outdoor unit;
5. In the Mi Home/Xiaomi Home APP.
Note:
The air conditioner's production year/month information can be found on the labels of the air conditioner's indoor and outdoor units.