Troubleshooting CASE 1 Error message appeared during the update Cause: For some reason, the receiver can’t read the firmware data. Method: For your solution, check the following [Update through Internet] ❏ Check Internet connection. Your Internet connection is working by playing an Internet radio station. (See owner’s manual for details) [Update by USB thumb drive] ❏ USB thumb drive is connected properly to the receiver. ❏ USB thumb drive is not password protected.