If you encounter this problem, please adjust parameter 01 to 1°C.

To make this adjustment, please follow these steps:

1. Press and hold the 🔼 button for 3 seconds to enter the parameter verification mode.

2. Use the 🔼 and 🔽 buttons to check the configured state values.

3. Press the "M" button to modify parameter 01. The value will flash.

4. Use the 🔼 and 🔽 buttons to change the value to 1°C.

5. Press "M" to confirm the modification.

6. Press the "ON/Off" button to return to the main screen.

If there is no input for 10 seconds, it will automatically return to the main screen.