What to do if the remote control of the Mijia Air Conditioner Pro Eco 3.5 kW does not display or displays incompletely?

If the remote control of the Mijia Air Conditioner Pro Eco 3.5 kW does not display or shows an incomplete screen, please follow these steps:
1. Check whether the remote control batteries are depleted. Replace them with new ones and try again;
2. Make sure the remote control is turned on. Press the power button and check if the display appears;
3. If the issue still cannot be resolved, please request after-sales service for inspection.
Note:
1. Use only new and correctly sized batteries as specified in the user manual;
2. Ensure the battery contacts are clean and free from corrosion;
3. Avoid exposing the remote control to moisture, extreme heat, or direct sunlight, as these can damage the LCD screen;
4. Do not attempt to disassemble or repair the remote by yourself to avoid further damage or voiding the warranty.