Morning I'm on site at the moment and have been asked to put a single switch back on and I have no idea how to. Any help would be much appreciated. Thank you
If I had to guess I'd say leave the black and blue in the connector block put the yellow and red in com, and the single red in L1. If you have some voltage testers you could sort it without me guessing.
Looks like the wiring for a 2 way switch. If so, then Single red to com Red/yellow to L1 Black/blue to L2 But to be sure you need to test and identify the conductors.. Good luck