IBM System x3650 M4 Type 7915 Problem Determination And Service Guide

Note any LEDs that are lit, and then reinstall the light path diagnostics panel in
the server.
Look at the system service label inside the server cover, which gives an
overview of internal components that correspond to the LEDs on the light path
diagnostics panel. This information and the information in “Light path
diagnostics” on page 124 can often provide enough information to diagnose the
error.
3. Remove the server cover and look inside the server for lit LEDs. Certain
components inside the server have LEDs that are lit to indicate the location of a
problem.
The following illustration shows the LEDs on the system board.
System Error
LED
Locator LED Power LED
10G Ethernet card
error LED
Imm2 heartbeat
LED
Enclosure management
heartbeat LED
Standby power
LED
Battery
error LED
Fan 4
error LED
Fan3
error LED
Microprocessor 2
error LED
Fan2
error LED
Fan1
error LED
Microprocessor 1
error LED
System board
error LED
DIMM 19-24
error LED
(under the latches)
DIMM 1-6
error LED
(under the latches)
DIMM 7-18
error LED
(under the latches)
The following illustration shows the LEDs on the riser card.
UpperPCI slot error LED
Center PCI slot error LED
Lower PCI slot error LED
v Remind button: Press this button to place the system-error LED/check log LED
on the front information panel into Remind mode. By placing the system-error
128 IBM System x3650 M4 Type 7915: Problem Determination and Service Guide

IBM System x3650 M4 Type 7915 Specifications

General

Brand	IBM
Model	System x3650 M4 Type 7915
Category	Server
Language	English