14c312ab__Base___Diagnostic_Error_Codes__Status
[Error code] 104 [Explanation] Drive Not Ready [Definition] The drive did not properly respond to test commands. This may be due to a defect with the drive or the drive may not have responded properly due to a bad connection. Check cabling and retest. Replace the drive if the error repeats. [Status] 
Re-Test Drive
WD Support / Knowledge Base / Diagnostic Error Codes
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