I was re calibrating auto accu EQ and my rear height left speaker is giving test tone but failed after and error coming that speaker error, few days ago same speaker was working fine , I tried manual test tone and it’s working fine , play movie then working too but fail during auto room calibration, I tried to switch speaker then that speaker working fine so that height rear location causing issue, i tried all option I can but no clue at all, any guidance will be helpful.
Only chance point is I added new klipsch RP-502 as rear back surround.
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