Nortel North American DMS-100 Instruction Manual page 210

Summary of Replacing a fan in a 28-in cabinet
Turn FAN FAIL
OVERRIDE
switch ON
Remove fan
that has faults
Install
replacement fan
Turn FAN FAIL
OVERRIDE
switch OFF
End
DMS-100 Family NA100 Trouble Locating and Clearing Procedures Volume 2 of 2 LET0015 and up
Trouble locating and clearing procedures (continued)
Replacing a fan in a 28-in. cabinet
N
Does the fan
work?
Y
Contact next
level of support
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.
1-195
(continued)