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Chapter 4 Installing Options
4.7 Replacing the System Fan Unit
This server supports the system fan redundancy function and "system down" can be
prevented even if one of the fans fails.
Also, replacement can take place while the main power is turned on (hot-swap/ hot-
plug).
It is necessary to replace a broken system fan. Contact an office listed in the "Contact
Information" of "Start Guide". Check which system fan has failed using the rear LED
or ServerView.
• Replace the fan unit within 2 minutes of removing the broken one from the server.
• When removing a fan unit during operation always check that one fan is operating normally.
• When removing the fan unit, do not touch the fan unit connector of the chassis. Doing so may
cause electric shock.
■ System fan unit redundancy
System fan is configured as follows.
• System fan unit 1 (internal fan × 2)
• System fan unit 2 (internal fan × 2)
System fan unit 1
If even one unit that makes up the system fan unit fails or is removed, redundancy is lost.
58
[Rear of the chassis]
System fan unit 2
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