Is Your Velux VSE Skylight (Venting Skylight Electric) Not working and there is No Light when you use your Velux WLR Remote? And you have No Voltage leaving your Velux Wix Operator Transformer ? You need to replace your VSE Transformer only Well your are in Luck.  I have one Brand New "Discontinued" Velux VSE Transformer Only Part # 861406 for Sale. I also have the Velux Factory "Discontinued"  Printed Circuit board as well just let me know. Thanks