IBM @Server pSeries 630 6C4, Service Manual

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Component LEDs
Individual LEDs are located on or near the failing components. The LEDs are located either on the
component itself or on the carrier of the component (for example, memory card, fan, memory module, or
processor). LEDs are either green or amber.
Green LEDs indicate either of the following:
v Electrical power is present.
v
Activity is occurring on a link. (The system could be sending or receiving information.)
Amber LEDs indicate a fault or identify condition. If your system or one of the components on your system
has an amber LED turned on or blinking, identify the problem and take the appropriate action to restore
the system to normal.
The following table identifies the location, color, and status of your system component LEDs.
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Eserver
pSeries 630 Model 6C4 and Model 6E4 Service Guide