Nibe · Ground Source Heat Pumps
This B alarm points to a continuous fault with the brine out sensor, potentially caused by open/short circuits or a defective sensor. The compressor might be blocked.
Click steps to track your progress.
Confirm the brine out sensor connections are secure.
Check the sensor for any signs of damage.
This alarm generally resets automatically upon fixing the cause.
If the service technician symbol remains displayed, contact your installer.