LED Alway Display Blue Welcome to WD My Cloud Ex4 since turn on power until now (more than 50 Hours)

HI Everyone
My Device LED Alway Display Blue Welcome to WD My Cloud Ex4 since turn on power (Sunday evening 6.00 PM.) until now (Wenday afternoon 2.30 PM.) (more than 50 Hours). It never been before like this.
I Use HDD WD RED PRO 6 TB x 3 Bay. (HDD close full remain 2 TB)
I can’t acess to my device with IP from window. But I can ping in Dos mode to IP nas and reply all every packet no loss.

  • It what happen ?
  • What should I do ?
  • How can I Fix ?