H3C Technologies H3C S9800 Series Switches - Manual (Page 11)

6
6. Use a Phillips screwdriver to tighten the captive screws on the fan
tray to make sure the fan tray is fully seated in the slot.
7. Verify the fan tray installation by examining the fan tray LED on the
power side.
{
If the LED is steady green, the installation is correct.
{
If the LED is in red, the fan tray is faulty. Remove and re-install
the fan tray. If the problem persists, contact H3C Technical
Support.