Please change DSK field durint S2 pairing to add leading 0.

[PoltoS]

Each block should be 5 digits always (with leading zeros if required)

[PoltoS]

And please check timers - may be we need to lower them a bit. It was reported that DSK confirmation timer should be few seconds lower - confirming on 1-2 seconds left do lead to a failure in S2 anyway