CAUTION: Hazardous energy present. Voltages with hazardous energy might cause heating when
shorted with metal, which might result in splattered metal, burns, or both. (L005)
Procedure
Before you begin a replacement or installation procedure, do these tasks:
1. If you are installing a new feature, ensure that you install the required software to support the new
feature. See IBM Prerequisite.
2. If you are installing or replacing something that might put your data at risk, ensure, wherever possible,
that you have a current backup of your system or logical partition (including operating systems,
licensed programs, and data).
3. Review the installation or replacement procedure for the feature or part.
4. Note the significance of color on your system.
Blue on a part of the hardware indicates a touch point where you can grip the hardware to remove it
from or install it in the system, open or close a latch, and so on.
5. Ensure that you have access to a medium flat-blade screwdriver, a Phillips screwdriver, and a pair of
scissors.
6. If parts are incorrect, missing, or visibly damaged, do the following steps:
• If you are replacing a part, contact the provider of your parts or next level of support.
• If you are installing a feature, contact one of the following service organizations:
– The provider of your parts or next level of support.
– In the United States, the IBM Rochester Manufacturing Automated Information Line (R-MAIL) at
1-800-300-8751.
In countries and regions outside of the United States, see the Directory of worldwide contacts (http://
www.ibm.com/planetwide).
7. If you encounter difficulties during the installation, contact your service provider, your IBM reseller, or
your next level of support.
8. Ensure that the top cover is on when the system is running for thermal performance.
Identifying the system that contains the part to replace
Learn how to determine which IBM Power System IC922 (9183-22X) server or enclosure has the part you
want to replace.
About this task
If the part does not have problem indicator LED, you need to use a troubleshooting program such as
impitool
to identify the issue.
LEDs on the 9183-22X system
Use this information as a guide to the LEDs on the IBM Power System IC922 (9183-22X) server.
The LEDs indicate various system statuses. Refer to the following figures
• The green power-on LED indicates the power status.
– A constant light indicates full system power to the unit.
Common procedures for servicing or installing features in the 9183-22X system 143
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