Nortel Passport 15000 Hardware Installation And Maintenance page 448

448 Chapter 17 Hardware procedures
241-1501-240 5.2S2
8 Gently remove the tape from the fan blades. Ensure no tape or glue
remains. Do not bend the blades to wipe off glue.
9 Plug the power cable connector from the fan back into F1, F2, or F3. The
connector mates only one way and clicks when fully engaged.
The fan motor starts immediately. The major software alarm and both the
major and minor hardware alarms are cleared. The status LED should be
green to indicate the fan is operating normally.
10 Within seconds of powering the fan:
• ensure that you hear the other 2 fans reduce rpm to the lower
(normal) speed
• ensure that the alarm 7012_0051 has cleared