Robot not booting, sometimes only

Steps to reproduce:
Power on robot.

Expected Behavior:
Robot powers on.

Actual Behavior:
Robot does not power on, fan speed goes up, and stays fast, TP stays black, nothing happens.

Workaround Suggestion:
Pressing and holding power button turns robot off, starting again works most times

Robot Serial Number:
brand new UR20 delivered with polyscope 5.25 .0

Affected Version(s):
in this case 5.25.0

also a problem for this case - Swith on problem - Technical Questions - Universal Robots Forum