If you are unable to modify the settings of your heat pump, please follow these steps:
On the main page, press and hold "Clock" and "-" to enter the password.
Press "M" to enter the first password "6," then press "M" again to enter the second password "8."
Press "M" to confirm.
Use "+" or "-" to select the parameter to adjust.
Press "M" to confirm.
Then, use "+" or "-" to change the value.
To exit the menu, press the "M" button.