Hi Sun,
How to do it ? This is my first community access, I didn't know of tickets.
This page suggested me another questin related to PF3000, and it looks like the same problem I'm having :
( Question by Max Liu in 14/06/2017 ; Last answer in 15/06/2017 by Kan_Li ).
Also the RGB leds from KSZ25 board are changing colors, it seems to me when the board was ok, the leds were not this way.