Malfunctioning brain ports

[seenSeal]

Most likely static blowing the ports.

@CharlesL

If so how can we fix it?

Its complicated, like @Xenon27 said anti static tiles or spray for the tiles helps.

You can kinda use ESD boards Q&A answering legality of it

And reading this thread might offer some insight into generally what might be happening:

Static electricity: quantitative measurement & prevention

There are many threads on static issues: complaints, notes on static spray, anti static tiles, dead motors, dead brain ports, ESD brain protection, and so on. What I have NOT seen (and if there’s a thread please point me to it) is an actual measurement of the static levels involved, where they are actually generated from, how they build up w/o discharging, and building practices to prevent all of the above. I’ve sent a few PM back and forth with a member here regarding these issues. They point…