I've just set up a nano 2 super with latest vix build and 250gb hdd. The box was overheating and the fan didn't seem to be kicking in but now that I've increased fan speed in system menu box is cool but should the fan not work without increasing this.

Also what should I set standby fan to as surely while it's recordings in standby fan should be running.

The box is now restarting by itself, turning my tv off as well in the process.

Any ideas what this could be?