Orbi router / satellite continual drop out

Any feedback to the questions presented? 

Blairgowrie wrote:

I have a new 770 series after installing I had a period of good service but now the satellites disconnect daily 

I have to power reset all and resync

netgesr support log it but then tell me to call which I’ve tried but can’t get an answer 

all units are no same firmware release 

it’s a total pain