Problem with my NAS

I have had a problem with my NAS (My Cloud) It manifests itself by flashing blue fast about 30sec then glowing with a faint red light to then continue flashing blue fast in 30sec, have tried to reset it but unfortunately the problem persists.

Hi,

You could refer to the following link: https://support-en.wd.com/app/answers/detail/a_id/15538