Oh dear. I don't think you are cut out for this.
Take the blue wires out of L2 and put them in a separate connector (as per the diagram) but connected to nothing else.
The CPCs (earths) should be sleeved green&yellow and connected together in the earth terminal - on the switch if it is metal or - in the back box if the switch is plastic.
Take the blue wires out of L2 and put them in a separate connector (as per the diagram) but connected to nothing else.
The CPCs (earths) should be sleeved green&yellow and connected together in the earth terminal - on the switch if it is metal or - in the back box if the switch is plastic.