14c312ab__Base___Diagnostic_Error_Codes__Status
[Error code] 201 [Explanation] Non-WD Drive [Definition] The drive does not have a WD serial number. This error can occur on non-Western Digital drives. It may also happen when the wrong version of diagnostic utility is used. It is also possible to see this error on defective Western Digital drives. [Status] 
Re-test Drive with appropriate diagnostic utility
WD Support / Knowledge Base / Diagnostic Error Codes
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