If you encounter this problem, please adjust parameter 01 to 1°C.
To make this adjustment, please follow these steps:
Press and hold the 🔼 button for 3 seconds to enter the parameter verification mode.
Use the 🔼 and 🔽 buttons to check the configured state values.
Press the "M" button to modify parameter 01. The value will flash.
Use the 🔼 and 🔽 buttons to change the value to 1°C.
Press "M" to confirm the modification.
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.