If...
Then...
No
Continue with
to replace fan
unit.
............................................................................................................................................................
8
Unscrew the captive screw that secures the fan unit to the shelf
chassis.
............................................................................................................................................................
9
Slide the old fan unit out from shelf chassis.
............................................................................................................................................................
10
Slide the new fan unit back into the shelf chassis. Tighten the captive
screw.
E
N D
O F
S
T E P S
..............................................................................................................................................................................
Procedure 5-17: Clear
″
fan shelf failed
″
alarm
Trouble clearing procedures
....................................................................................................................................................................................................................................
5 - 5 4
Lucent Technologies
365-372-333 R2.1
Issue 4, June 2005