Replace a MDS Fan Tray

Note: Prior to beginning this procedure, the replacement fan and necessary tools should be readily available. Replacement should take place in one operation.

Use the following procedure to replace a MDS fan tray:

1. Unpack the replacement fan tray and inspect for any apparent damage.

   Note: The following illustration shows the 23-inch fan tray.

2. On the rear of the failed fan tray, disconnect the alarm/power cable.
3. On the front of the fan tray, remove and retain the four #12-24 screws, securing the fan tray to the rack.
4. Remove the fan tray from the rack.
5. Insert the replacement fan tray in the same location as the removed fan tray.
6. Insert four #12-24 screws in the mounting ears of the shelf and secure the tray to the rack, placing the ground cable under the screw position with the paint removed.
7. Connect the power/alarm cable connector P1 to the power/alarm connector J1 on the rear of the fan tray.