Oracle Database Appliance Service Manual page 55

ensure proper cooling. When the server node is replaced, its two fans also cool the 24 front
disks and provide cooling to the second server node.
Equipment damage. If a fan module fails, replace it as soon as possible.
Caution -
The following topics are covered in this section:
"Detecting a Fan Module Failure" on page 55
■
"Remove a Fan Module" on page 55
■
"Install a Fan Module" on page 56
■
Detecting a Fan Module Failure
The following LEDs are lit when a fan module fault is detected:
Front and rear Service Required LEDs located on each server node
■
REAR HDD/PS/FAN LED located on the front of each server node
■
Fan Fault Status LED located on the faulty fan module
■
The system over-temperature LED for a server node might light if a fan fault causes an increase
in server node operating temperature. See
information about server node LEDs.
Remove a Fan Module
Identify the faulty fan module with its amber LED.
1.
When a fan fails, the Service Required LED lights amber. For information about fan status
LEDs, see "Server Node Fan Indicators" on page
2. To remove the faulty fan module, press down on the fan release lever [1].
3. While holding the release lever down, use the handle on the fan module to pull it
out of the server node [2].
"Server Node Status Indicators" on page 17
20.
Chapter 3 • Servicing CRUs That Do Not Require System Power Off
Remove a Fan Module
for more
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