PL1000 Powerline stopped working

Hi!

 

I've been using 2x PL1000 for two months now without an yproblems and then all of a sudden Powerline led turned off in both of them and i cannot to fix it.

I have tried to do factory reset on both of them for a couple of times, without help.

I also tried push that security button on both of them, without help.

 

I have also tried them in different outlets but i haven't found anything to help with this problem.

These PL1000s is in a different rooms but they worked well until those broke couple days ago.

I have tried to install them in a same room also but no help.

 

What to do now? And why all this happened all of sudden? CableModem --> 1st PL1000 via Ethernet, 2nd in different room and from there to Asus wifi modem via ethernet.