Those Post RS errors are very high indeed but they are accumulative from the time your hub was first turned on. As the hub has been online for over 8 days, there's no telling when these occurred.
Can you please turn the Hub off, and leave off for a good few minutes. This should reset the timers and then should you accumulate a load of errors again, we can then arrange to book an engineer for you.
Pop a post here once the Hub has been turned off so I can ensure it has registered this end.