Now my 2nd account is fully working again. (Level 38!)
I was running Haxton last night and as I woke up I only got XP on Pokestop and was not able to catch any Pokemon.
I just logged into my 2nd account using NOX (Not logged in via Phone!) I am playing @coordinates around me.
First I made some gym fights, I was also able to get XP from Pokestops like before in the morning.
I tried to catch maybe 5 Pokemon, but they all get away in dust (I think you know what I mean).
After the 6th Pokemon I tried to catch, it's now working again and I got "it".
So I don't know if you just have to play a bit before it will work again, or if it's because of the time (more than 12 hours ago I got this kind of ban)
Since 10 minutes we have new day in my country.
So at least I can tell that this kind of ban is NOT a perm ban!