cAP 6.37.1 upgrade

hi all
got a new set of cAPs in stock shipped with ROS 6.34.5 the light sequence to previous batch is different the previous serial numbers started 6 the new ones 7
now when i upgrade to router OS 6.37.1 and the firmware to 3.33 its discover able and works SMB ,but on previous stock the power light stayed on
but on this batch there is no power light .
I have tried 3 different cAP’S all the same

thank you guys

Does anyone have any idea? I have the exact same issue with a new batch shipped with 6.35.4

Kind regards, Mal