⚠
warning Velux
Error Code Yellow LED flashing slowly/continuously at short intervals
Indicates an inspection period has lapsed without maintenance.
? What Causes This
System is overdue for service.
✓ How to Fix It
Schedule necessary servicing; reset system per instructions before next service due date.
Source: page 21 of the official manual
From the manual
This error code appears in:
Velux Kfx 210