Onkyo TX-NR696 F sp : B1-Amp error

[GolferX1]

My Onkyo TX-NR696 recently started displaying the following error F Sp : B1-Amp. When this happens it starts switching between this error message and CBL/Stat. It stops playing the TV and continues to switch back and for and also displays the AccuEQ Room Calibration menu - Displays Speaker Detect Error then Front Left = No. I have had a member to of the geek squad out but of course it didn't display this error. Any thoughts about what this is and what I should do about it. Thanks