USB I/F Error

857	USB I/F Error
	The USB driver is unstable and generated an error. The USB I/F cannot be used. The USB driver can generate three types of errors: RX, CRC, and STALL errors. Only the STALL error can generate this SC code.	• USB 2.0 disconnected • Controller board defective
858	Data encryption conversion error
	A serious error occurred during data encryption.