All Electrons go offline (blinking green) at once

Howdy!

Is there any reason all of my Electrons would go offline at the same time? I’ve got 8 or 9 running, and they were fine until today, when suddenly and for no apparent reason they went all greenie-blinky.

I thought it might be a billing issue, but I have a current card in the system (although the billing page doesn’t seem to accurately reflect all of the devices in my account - not sure that’s related to this issue, however).

Any ideas would be greatly appreciated. Cheers,

L3