@Adam2021 Eventually got mine working. Downloaded the tpPLC utility, and then ran a firmware update whilst connected to one of the devices (I have 4), then ran around the house pairing 1 to 2, 2 to...

@Adam2021 Getting the exact same thing; started a few days ago. No answers yet I'm afraid. Reset the router, resat the cables, re-paired the devices; nothing. I thought it may have been a recent...