Nibe · F1155 Heat Pumps
This symbol appears when the additional heat source, likely the immersion heater, is blocked from operating. This could be due to the selected operating mode, scheduled blocking, or an active alarm.
Click steps to track your progress.
Check the selected operating mode in menu 4.2.
Review scheduled blocking settings in menu 4.9.5.
Check for any active alarms indicated by a red status light or alarm bell icon.
Reset any active alarms if applicable.