L
loz2754
SPDs are not fitted and it has been coded C3. (Post #2). I wonder if SPD’s are fitted and that attracted a C2 code ?
I too would code lack of AFDDs as C3, and lack of SPDs as C3.
Edit: any new work planned as an alteration or addition to an affected circuit could not proceed unless the AFDD was installed.
So this could add weight to your decision to just go ahead and get the AFDDs fitted anyway.