Internet connectivity issues

[Lee_22]

My router keeps losing connection. Sky were called, engineer sent out and he said everything was fine but we should've had an openreach engineer rather than a sky one.

I've run diagnostics as it's dropping every 2-15 minutes for 3 minutes each time and it's happening in 2-3 hour windows. Tried all the self help stuff and nothing works.

images of diagnostics uploaded to Sky ref 6TRU36 and VJGLMN if someone can take a look and advise 

[Lee_22]

Latest outage has been ongoing since 21:40 last night and still out now. Router restarted before bed at 22:30 and again this morning at 06:00, no difference.