54.XX Error Turn off then on
The product has experienced an error with one of the internal sensors.
Turn the product power off, wait at least 30 seconds, and then turn the product power on and wait for
it to initialize.
If you are using a surge protector, remove it. Plug the product directly into the wall socket. Turn the
product power on.
Interpret control panel messages
If the message persists, contact HP support.