IBM System x3650 M3 4255 Service Guide

System-board LEDs
The following illustration shows the light-emitting diodes (LEDs) on the system
board.
Note: Error LEDs remain lit only while the server is connected to power.
Table 5. System-board LEDs
LED Description
Error LEDs The associated component has failed.
12-volt power (A, B, C, D, E
and AUX) error LEDs
If any of these LEDs are lit, there is a failure in the
associated system-board power channel (see “Power
problems” on page 55).
20 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide

IBM System x3650 M3 4255 Specifications

General

Brand	IBM
Model	System x3650 M3 4255
Category	Server
Language	English