weird behavior, lacie led continues to blink

Hi

i did notice a werid behavior of my LACIE Minimus 2Tb USB 3.0

after i used , i disconnect via windows 7 64bit sp1 safetly remove

the drive turn off , but every x minutes , i did not count the minutes , but just like 10 minutes , the blue led blink for 1 second

the lacie continues to do it , till i turn off via hardware , power botton

but is it normal?

i use these registry settings

Windows Registry Editor Version 5.00

but is normal this behavior?

thanks