HI. Around 15 months ago I replaced an old 3 gang switch with a new one.All went well, I was careful to note which wires went where etc.One switch turns on/off the hall light, one turns on'off the outside security light and the last one operates the downstairs wc light ( the wc is on the other side of the wall from the switch).
Recently, the wc light was misbehaving - flickering on & off, sometimes staying off - and I noticed that I could hear a kind of intermittent 'fizzing' noise from the switch. I unscrewed the frontplate and gently eased it out. At this point I noted that there were three unconnected wires - 2 brown and one black. I do not know which connectors these were originally wired into, but from the way they are positioned it seems likely that they went into the bottom row of connectors.
I've attached a fairly rough sketch of the layout of the connectors and the cabling currenly in place. Searching online hasn't helped at all, and I don't ewant to start randomly connecting wires up in case I make things worse.
Any suggestions? Happy to anser any questions/provide further info if it helps.
TIA
Alan Stewart