Posts made by kennyli2

• SB-TB4K power supply have bee sound on and LED off.

  To support This morning, I hear a bee sound and saw the LED was off on power supply, and observe the selection switch can't functionand no light on. When I try to remove the power jag from SB-TB4...

  posted in Customer Support

  k

  kennyli2
  8/9/25, 4:07 AM