NIBE · Heat Pumps
The BT7 sensor, which monitors hot water peak conditions, is not connected or defective. This alarm usually resets automatically.
Click steps to track your progress.
Allow some time for the system to automatically reset the alarm.
If the alarm does not clear, perform a full power cycle of the Heat Pump at the main breaker.
Verify the physical connections to the BT7 sensor are secure and undamaged.
If the alarm frequently recurs, consult a qualified technician.