The weekly dunce award....
Called out because Roller Shutter door stuck and will not close.
The unit's lid is a bit badly fitted....
to say the least...
It's good to see a bit of positive news.
It seems you have someone who knows what they're doing involved.
Regarding I and 2 in the image, go with the advice of your electrician on site....he's seen things first hand.
Don't presume all NICEIC registered are bad and NAPIT the opposite. Both are...
It needs a bit of looking into.
As said previously, no link between switches indicates that two circuits are involved, upstairs and down, maybe? Perhaps not.
There are questions which can't be answered on here with certainty. Spark required for tracing circuits.
The connection methods look...
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