Audio Precision System 2 self test fail

[tan98010]

Recently i am trying to run through the Audio precision system 2 self test and there is a few failure can anyone help me to identify the failure module....?
what is ANL Module...?

05/05/16 15:31:06   
     05/05/16 15:31:06   **********************************************
     05/05/16 15:31:06   ANL Module CHECKS
     05/05/16 15:31:06   **********************************************
     05/05/16 15:31:06   
     05/05/16 15:31:06    MODULE DATA
     05/05/16 15:31:06        SN:01779 Rev:005
     05/05/16 15:31:06        Adj:5/15/2006  at  AP by ECS
FAIL 05/05/16 15:31:07  Execute sweep: F:\ATS 2 SYSTEM CHECK\Anl\Sig-Path.at27
     Failed Upper 0, Lower 2, Timeouts 0, UnRegulated 0, BadData 0
     Gen.Ampl A(Vrms),  Anlr.Ampl(V),      Anlr.Ampl(V)
     1.99991362,        0.0055625(<1.9),   0.0055625(<1.9)