We have a pre-HD MySky decoder (silver box). Sometimes it refuses to respond to pause/rewind commands from the remote, and some few seconds after the attempt the audio emits a loud click similar to the noise it makes when you cycle the power. Just lately it has taken to doing a full power-on restart when this occurs, and throwing away recordings in progress.
The weather has been quite warm, so it could be a thermal fault, but I was wondering if anyone had some anecdotal evidence of this behaviour before I confront the Sky phone wall.