Nibe · Ground Source Heat Pumps
This B alarm indicates a continuous problem with the condenser supply sensor, likely due to open/short circuits or a defective sensor. The compressor may be blocked.
Click steps to track your progress.
Ensure the condenser supply sensor is properly connected.
Inspect the sensor for any damage.
The alarm should reset automatically once the fault is rectified.
If the service technician symbol is still visible, contact your installer.