Dell IP4700 Service Guide - Page 81

already on., the cooling fault LED on each power supply flashes.

Page 81 highlights

Servicing and Upgrading an IP4700 3 As soon as the pack is disconnected from each power supply: • the drive fan pack fault LED turns off (if it was not already off). • the IP4700 fault LED on the front panel turns on (if it was not already on). • the cooling fault LED on each power supply flashes. Replacing the Drive Fan Pack 3-21

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3
Replacing the Drive Fan Pack
3-21
Servicing and Upgrading an IP4700
As soon as the pack is disconnected from each power supply:
the drive fan pack fault LED turns off (if it was not already off).
the IP4700 fault LED on the front panel turns on (if it was not
already on).
the cooling fault LED on each power supply flashes.