What to do if the screen of the remote control for the Mijia Air Conditioner Pro Eco Inverter 1.0 HP is not lit?

The remote control of the Mijia Air Conditioner Pro Eco Inverter 1.0 HP does not have a backlight. If the numbers and icons are visible and functioning normally, it is normal for the screen not to light up.
Here is more information about the screen of the remote control:
1. The lack of backlight does not affect remote control functionality under normal lighting conditions;
2. Use the remote in a well-lit environment for better visibility;
3. Avoid exposing the remote control to direct sunlight or high temperatures to prevent screen damage;
4. If the screen is completely blank and buttons do not respond, check the batteries and replace them if necessary;
5. Do not attempt to open or repair the remote control by yourself to avoid damage or voiding warranty.