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