8
Fan connector on the system board
9
Fan connector
10
Side view of fan showing air-flow indicator
The node has six fan positions that are numbered right to left. The LED near the connector of the
failing fan assembly is lit, unless you remove the power cable.
4.
Grasp the orange fan tabs on both ends of the existing fan and pull it up out of the server. If you are
removing fans 3 or 4, lift up the clear tab on the DIMM air baffle first.
Figure 233 shows a fan being removed from the node.
Attention:
To ensure proper operation, replace a failed fan within 30 seconds.
5.
If you are instructed to return the fan, follow all of the packaging instructions, and use any packaging
materials for shipping that are supplied to you.
Removing the SAN Volume Controller 2145-8A4 fans
Take precautions to avoid damage from static electricity. Wear an anti-static wrist strap and use a
static-protected mat or surface. For more information, see “Handling static-sensitive devices” on page xix.
Perform the following steps to remove a failed fan:
1.
Turn off the node while ensuring that its data is mirrored and synchronized. See MAP 5350 in the
IBM System Storage SAN Volume Controller 2145 Troubleshooting Guide
for more information.
2.
Remove the cable-retention bracket and disconnect the power cable from the node. See “Removing the
cable-retention bracket” on page 29.
3.
Remove the node from the rack and place it on a flat, static-protective surface. See “Removing the
SAN Volume Controller from a rack” on page 40.
4.
5.
Reconnect the power cord and then turn on the node.
Attention:
Operating the node for extended periods of time (more than 30 minutes) with the cover
removed might damage server components.
6.
Determine which fan to replace by checking the LEDs on the system board. Each fan has an LED next
to it. A lit LED indicates the fan to replace.
7.
Turn off the node and then disconnect the power cord again.
8.
Remove the failed fan.
a.
Disconnect the fan cable from the system board.
Figure 233. Removing or replacing a fan in the SAN Volume Controller 2145-CF8 node
Chapter 2. Removing and replacing parts
211
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