Hi, I reinstalled the Pioreactor firmware 25.3.5 in all of the workers (with the method suggested by you in my previous question), and now I can properly calibrate for OD in all of them in the terminal.
However, even trying with turbid water (OD=0.1), some of them still have the errors in the self-test for Reference photodiode is in correct magnitude and Reference photodiode is in correct position. The UI gave these two errors:
