What to do if the Mijia Air Conditioner Pro Eco A+++ 12K makes noise during operation?

If the Mijia Air Conditioner Pro Eco A+++ 12K makes noise during operation, please follow these steps:
1. If the air conditioner makes noticeable noise during operation, please first identify the type of sound. For example, airflow noise, relay clicking sounds, thermal expansion or contraction of plastic components, compressor noise, or the sound of refrigerant flow are generally considered normal;
2. If there are unusual noises or if the sounds are excessively loud, please request after-sales service for further inspection.
Note:
1. Do not attempt to disassemble or repair the device yourself to avoid further damage or safety risks;
2. Ensure the air conditioner is securely installed to prevent vibration noise caused by loose parts.