NIBE · F750 Heat Pump
The indoor temperature is lower than desired, indicating that the heat pump is not effectively heating the living spaces. This problem typically does not trigger a display alarm.
Click steps to track your progress.
Verify that the thermostats in all relevant rooms are open or set to your desired temperature.
Refer to the 'Saving tips' section in the User manual for guidance on optimal thermostat settings.
Check the heat pump's operating mode in menu 4.2 to ensure it is set for active heating.