Fan Pack Problems; I/O Module Problems - IBM 8852 - BladeCenter H Rack-mountable Service Manual

v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v See Chapter 3, "Parts listing," on page 23 to determine which components are CRUs and which components
are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
A blower module is not
working.

Fan pack problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v See Chapter 3, "Parts listing," on page 23 to determine which components are CRUs and which components
are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
A fan pack is running at full
speed.
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with 2980W power modules, reseat or replace the power module.

I/O module problems

v Follow the suggested actions in the order in which they are listed in the Action column until the problem is
solved.
v See Chapter 3, "Parts listing," on page 23 to determine which components are CRUs and which components
are FRUs.
v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a
trained service technician.
Symptom
An I/O module will not turn
on.
Cannot communicate with the
external ports on an I/O
module.
Action
1. Make sure all power cords are plugged into 220-Volt power sources and that
the power sources are working.
2. Reseat the blower module.
3. Replace the blower module.
Action
1. Make sure that at least one management module is installed, and it is active
and working.
2. Reseat the following components:
a. Power module.
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b. Fan pack
3. Replace the fan pack
2900W power modules with removable fan pack only. If the unit is equipped
Action
1. Make sure that at least one management module is installed, and it is active
and working.
2. Reseat the I/O module.
3. Replace the I/O module.
1. Make sure that external ports option is enabled in the management module
Web interface.
2. Reseat the I/O module.
3. Replace the I/O module.
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Chapter 2. Diagnostics