NIBE · S2125 Air/Water Heat Pump
The green DEFROST LED on the base board (AA2) is continuously lit, indicating that a defrosting cycle is currently in progress.
Click steps to track your progress.
No action needed for this LED state, it indicates normal defrosting operation.
If defrosting occurs too frequently or does not resolve ice build-up, refer to 'ICE BUILD-UP IN THE FAN, GRILLE AND/OR FAN CONE ON S2125' troubleshooting.