Currently Being ModeratedNov 30, 2012 3:38 AM (in response to gradecn)
Put the device down and let it cool down.
Stop using it in a hotter than normal environment like a sauna.
If neither of the above is occurring, basic troubleshooting from the User's Guide is reset, restart, restore (first from backup then as new). Try each of these in order.
It is possible that the sensor is malfunctioning.