Field Replaceable Units
7450 ESS-7 Page 145
FAN TRAYS
• Warnings and Notes on page 145
• Removing a Fan Tray on page 146
• Replacing a Fan Tray on page 148
WARNINGS AND NOTES
Warning:
• Always keep your fingers away from rotating blades.
• Verify that the fan blades have stopped rotating before removing the fan tray.
Notes:
• Fan trays are hot-swappable. The 7450 ESS-7 chassis operates safely while you replace a fan
tray for up to approximately 5 minutes at an ambient temperature of 95° F (35° C). If a longer
maintenance time is required, power off the system to prevent over temperature conditions.
• Immediately replace the fan tray as soon as a failure is detected.
• In the event of a single fan failure, the entire fan tray must be replaced.
• For fan tray maintenance, you must have access to the rear of the chassis. You must have
enough room, at least 20-inches, to pull the tray completely out of the slot.
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