SB3 connects and then powers off after turning on at wall

[rbl]

The MAC and IP addresses are all different (checked in LMS->Settings->Information).

I had just hoped there was a setting somewhere but I suspect you are right, it's probably a hardware thing. Now I think about it the analog output on this SB3 is broken which is a common problem, fixed...

[rbl]

Just tried that and unfortunately it didn't work...

[rbl]

Hi - if I turn my SB3 on at the mains it successfully connects to the WiFi but then powers off, and I have to tell it to power on which it does immediately. How do I get it to stay on? I have another SB3 which does stay on and I can't see any differences in the settings. The only vaguely relevant setting...