Ah, thanks for that. It's not something I've come across before but it would make sense if that was the cause.Have a look at this old thread. It's usually old Memera RCDs that seem to be a problem with smart meters. I haven't heard of it happening with Proteus, but that's not to say it doesn't happen.
Rcd tripping with no switch on after smart meter installarion
Hi I am.from uk I had a gas top up meter and a electric smart meter installation Thought to ask my energy supplier to fit me a gas smart meter aswell Their enginner came and said we will have to install the electric meter aswell so they will combine the smart thing on the display But after...www.electriciansforums.net
Not sure how I'm going to charge for this job, having wasted so much time going down dead ends!