⚠
warning Velux
Error Code ERROR - COMFORT VENTILATION
Activates after an alarm or power failure; comfort ventilation can resume in at least 2 minutes.
? What Causes This
Alarm or system power interruption.
✓ How to Fix It
Wait for the set duration before retrying to enable comfort ventilation mode.
Source: page 69 of the official manual
From the manual
This error code appears in:
Velux Kfx 210