789-205 Refcode_789-205


		
		
		Explanation
 The Test Unit Ready command failed. 
		

		
		Response
 Change the media. 
Run diagnostics on the changed media in system verification mode. If the error reoccurs, use 
MAP0210 
: General problem resolution; otherwise, replace 
the media. 
		

		
		
		
		
		
		Problem determination
			No action is required.

		

		
		
		
		
		
		Failing Item
			
			Find the failing function code in Failing function code list.

				
ffc789
				

				
OPTICAL_DISK