So just had a situation with our V5 Brains. Just recently they stopped turning on, even with a full battery charge. I’ve had 2 of our 3 brains go down.
The batteries are full, but nothing is happening on the brain. Any clue what that could be the issue?
We had this happen once this past weekend. Unplugging the battery from the brain for a few seconds and plugging it back in got the brain to turn on again. Actual issue, not sure, but this resolved it.
Probably no help to you, but adding it for posterity/searches… I am assuming you have the latest firmware. When we had this issue, the battery firmware update in VEXos 1.0.2 (which is now 1.0.3) fixed it. In our case, the batteries showed good charge, but were actually discharged beyond the point of powering up the brain.
The VEXos brain firmware pushes out firmware updates to all the accessories (battery, remote, motors, etc), they don’t update separately/individually. The VEXos 1.0.2 brain update pushed out a battery firmware update that fixed our battery problem (with the same symptoms that you described).