Nortel North American DMS-100 Instruction Manual page 149

1-134 Trouble locating and clearing procedures (continued)
Replacing a cooling unit assembly in a 42-in. cabinet
CPC A0377580, A0382102, A0383322, A0383323
Summary of Replacing a cooling unit assembly in a 42-in. cabinet
Disconnect
power to
cooling unit
Disconnect cooling
unit electrical
connector
Replace cooling
unit
Reconnect cooling
unit electrical
connector
Reconnect power
to cooling unit
All cooling unit
fans work?
Contact next
level of support
297-8021-544 Standard 14.02 May 2001
Y
N
End
(continued)
This flowchart summarizes the
procedure.
Use the instructions that follow
this flowchart to perform the
procedure.