For the record, so far only my oven and my dishwasher needed a little reboot from time to time. Now they are three in the club! Interestingly, they are all reset using an odd combination of front panel keys. Appliance makers do what they can with what they have, but only a few keys are needed for this maintenance operation (look on Windows: Ctrl + Alt + Del do the trick).
My wild guesses concerning the cause of failure for these diverse but similar software controlled appliances:
- Oven: heat excess in the control panel,
- Dishwasher: humidity too high in the control panel,
- iPod: overall system too cold as it stayed overnight in my entrance.