IBM xSeries 235, Техническое обслуживание и устранение неисправностей

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Determine which fan to replace by checking the LEDs on the fans. The front fans,
center fans, and rear fans are installed differently from each other. This section
contains separate instructions for each group of fans.
Replacing a front fan
Complete the following steps to replace front fan 5 or 6 in connector J50:
1. Review the information in “Installation guidelines” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 163.
2. Remove the server cover (see “Removing the server left-side cover and bezel
(tower model)” on page 51 or “Removing the server top cover and bezel (rack
configuration)” on page 53).
Attention: To ensure proper system cooling, do not remove the server cover
for more than 30 minutes during this procedure.
3. Press the orange fan-release latch in the direction indicated by the arrow.
4. Pull the fan out of the server.
5. Align the two tabs on the replacement fan with the notches in the server and
press the fan into the corresponding connector. Press the front edge of the fan
to engage the latch fully and secure the fan in the server.
6. Verify that the FAN LED on the diagnostic LED panel (see “Light Path
Diagnostics” on page 34) is not lit. If the FAN LED is lit, reseat the fan.
7. Reinstall the server cover (see “Installing the server bezel and left-side cover
(tower model)” on page 96 or “Installing the server bezel and top cover (rack
configuration)” on page 99).
Replacing a center fan
Complete the following steps to replace center fan 3 or 4 in connector J18:
1. Review the information in “Installation guidelines” on page 41, “Handling
static-sensitive devices” on page 42, and “Safety information” on page 163.
2. Remove the server cover (see “Removing the server left-side cover and bezel
(tower model)” on page 51 or “Removing the server top cover and bezel (rack
configuration)” on page 53).
Attention: To ensure proper system cooling, do not remove the server cover
for more than 30 minutes during this procedure.
3. Press the orange fan-release latch in the direction indicated by the arrow; the
latch will rotate downward.
4. Pull the fan out of the server.
5. Press the orange fan-release latch in the direction indicated by the arrow and
open the latch; then, slide the replacement fan into the server. Press the latch
up to snap it into place and secure the fan in the server.
Note: When you slide the fan into the server, make sure the orange fan-release
latch is at the top.
6. Verify that the FAN LED on the diagnostic LED panel (see “Light Path
Diagnostics” on page 34) is not lit. If the FAN LED is lit, reseat the fan.
7. Reinstall the server cover (see “Installing the server bezel and left-side cover
(tower model)” on page 96 or “Installing the server bezel and top cover (rack
configuration)” on page 99).
Replacing a rear fan
Complete the following step to replace rear fan 1 or 2 in connector J25:
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xSeries 235 Type 8671: Hardware Maintenance Manual and Troubleshooting Guide