10 posts were split to a new topic: Help with controller connection
Hi Zach
I’ve recieved and installed the new hub and dc-dc converter. Thank you very much. 
It powered up and the status light is flashing green. Motors twitch and beep properly once again.
However the controller does not. There is no response from it at all. No led, no display, no vibrate. Seems the controller is dead too. Do you have them available? I’ve emailed a couple days ago.