Replacing A Fan Tray; Removing A Fan Tray - HP FlexFabric 12900 series Installation Manual

Figure 43 Replacing a switching fabric module
6. Put the removed switching fabric module on the antistatic mat.
7. Install a new switching fabric module. For the installation procedures, see

Replacing a fan tray

WARNING!
• When replacing a fan tray while the switch is running, be aware of electrical safety hazards.
To avoid bodily injury, do not touch the rotating fans when you replace the fan tray.
•
To avoid device damage and bodily injury, HP recommends that you have two persons replace a fan
•
tray.
When the fan tray fails, replace the fan tray to ensure normal operation of the switch. If only one fan tray
is available for the 12910 AC switch, install it to slot FAN2.

Removing a fan tray

CAUTION:
To ensure normal ventilation, install a new fan tray within three minutes after removing the old one.
To remove a fan tray:
1. Prepare an antistatic mat to place the fan tray to be removed.
60
"Installing FRUs."