Data Overwrite Security SD card error

877	Data Overwrite Security SD card error
	The 'all delete' function did not execute but the Data Overwrite Security Unit (D362) is installed and activated.	• Replace the NVRAM • Reinstall the DOS from the SD card • SD card defective
878	TPM electronic recognition error
	The main machine firmware failed to recognize TPM because USB flash is not operating or a system module was updated incorrectly.	• Replace the controller board
880	File format converter error
	A request for access to the File Format Converter (MLB) was not answered within the specified time.	• File format converter disconnected • File format converter board defectiv