Technical data

Field Replaceable Unit Removal and Replacement

Fan Trays

Chapter 1

Step 3. Raise and hold the fan tray retention lever (#6, Figure 1-7) while pulling on the fan tray extraction

handle (#5, Figure 1-7), and then remove the fan tray from the 14-Slot Shelf enclosure.

Step 4. Place the fan tray in an anti-static bag.

Replacing a Fan Tray

To replace a fan tray, complete the following steps:

Step 1. Carefully insert the fan tray into the empty fan tray enclosure of the Shelf.

Step 2. Ensure that the fan tray horizontal board connector (#7, Figure 1-7) engages with its horizontal

board connector, and then press the fan tray into the enclosure until the retention lever locks the

fan tray in place.

Step 3. As the fan tray begins operation, the green “Fan Tray OK” LED (#4, Figure 1-7) should illuminate

continuously.

All “FAN” and “OK” LED indicators on the Alarm Display Panel should be illuminated with the

system operating.