Avaya 8800 Maintenance Manual page 31

8. Wait 10 seconds for the fans to stop turning. Pull the fan tray from the chassis.
9. Vacuum the fan unit. Focus on the blades and vents where the dust can
10. Slide the clean fan tray into the chassis until the connectors at the rear of the fan
Routine Maintenance
Important:
If the system power is on, the second fan tray immediately accelerates to high
speed and indicates a fault condition.
accumulate.
tray engage.
If the chassis power is on, the fans start turning after the fan tray connectors fully
engage.
Cleaning fans in an 8010co chassis
March 2011 31