Up! 2 plus is turning everything off all by itself and resetting the motherboard.

UP Legacy Models
1

Good morning everyone (Jason-TT).
For what reason my Up! 2 plus is turning everything off all by itself and resetting the motherboard.
Resset when warming up the table, resset when printing small pieces, resset without USB cable connected). What happens???

2
  1. power supply overloaded and triggered protection.
  2. somewhere shorted circuit and triggered protection.