While you wait for answers, we may have found some information which could help you.
Click here for Open Stuck BottomWhere can I purchase a new Velux Scissor Operator for my Velux Skylight? ?
Replacement wooden beads on velux windows?
Where can I purchase Velux Kem-140 motors?
bypass microswitch on Velux KEM-140B?
Velux window does close but does not lock?
My VELUX remote won't work - how can I repair it?