Dear Philips Support,
Just lately I've been having the problem that my NP3900 spontaneously switches itself on and can only be switched off by pulling the plug. This has happened during the day, when no one was home, and also at 4.30am!! (Luckily it's not in the bedroom).
Have you heard of this problem before? At the moment I have left it completely unplugged as it was switching itself on again 5 minutes after I had replugged it and reset the time.