IBM x3655 Service Guide - Page 184

Sensor

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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 4, "Parts listing, System x3655, Type 7985," on page 97 to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU). v If an action step is preceded by "(Trained service technician only)," that step must be performed only by a trained service technician. BMC log message Sensor Sensor number type Action VRD 1 status 24 08 1. (Trained service technician only) Reseat the microprocessor. Assertion 01 (Power unit failure) 2. (Trained service technician only) Replace the microprocessor. VRD 2 status 25 08 Information only Assertion 00 (Presence detected) VRD 2 status 25 08 1. (Trained service technician only) Reseat the microprocessor. Assertion 01 (Power unit failure) 2. (Trained service technician) Replace the microprocessor. VRD 3 status 26 08 Information only Assertion 00 (Presence detected) VRD 3 status 26 08 1. (Trained service technician only) Reseat the microprocessor. Assertion 01 (Power unit failure) 2. (Trained service technician only) Replace the microprocessor. VRD 4 status 27 08 Information only Assertion 00 (Presence detected) VRD 4 status 27 08 1. (Trained service technician only) Reseat the microprocessor. Assertion 01 (Power unit failure) 2. (Trained service technician only) Replace the microprocessor. VRD 5V 28 08 Information only Assertion 00 (Presence detected) VRD 5V 28 08 1. Remove the following components one at a time, in the order Assertion 01 (Power unit failure) shown, restarting the server each time to isolate the failing component: a. Keyboard, mouse, and USB devices b. DASD devices c. PCI adapters d. DVD drive 2. If the problems remains: a. Inspect the SAS power cable and the IDE power cable. b. Inspect the front panel USB cable. c. (Trained service technician only) Replace the system board. 166 IBM System x3655 Type 7985: Problem Determination and Service Guide

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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
4,
“Parts
listing,
System
x3655,
Type
7985,”
on
page
97
to
determine
which
components
are
customer
replaceable
units
(CRU)
and
which
components
are
field
replaceable
units
(FRU).
v
If
an
action
step
is
preceded
by
“(Trained
service
technician
only),”
that
step
must
be
performed
only
by
a
trained
service
technician.
BMC
log
message
Sensor
number
Sensor
type
Action
VRD
1
status
Assertion
01
(Power
unit
failure)
24
08
1.
(Trained
service
technician
only)
Reseat
the
microprocessor.
2.
(Trained
service
technician
only)
Replace
the
microprocessor.
VRD
2
status
Assertion
00
(Presence
detected)
25
08
Information
only
VRD
2
status
Assertion
01
(Power
unit
failure)
25
08
1.
(Trained
service
technician
only)
Reseat
the
microprocessor.
2.
(Trained
service
technician)
Replace
the
microprocessor.
VRD
3
status
Assertion
00
(Presence
detected)
26
08
Information
only
VRD
3
status
Assertion
01
(Power
unit
failure)
26
08
1.
(Trained
service
technician
only)
Reseat
the
microprocessor.
2.
(Trained
service
technician
only)
Replace
the
microprocessor.
VRD
4
status
Assertion
00
(Presence
detected)
27
08
Information
only
VRD
4
status
Assertion
01
(Power
unit
failure)
27
08
1.
(Trained
service
technician
only)
Reseat
the
microprocessor.
2.
(Trained
service
technician
only)
Replace
the
microprocessor.
VRD
5V
Assertion
00
(Presence
detected)
28
08
Information
only
VRD
5V
Assertion
01
(Power
unit
failure)
28
08
1.
Remove
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time
to
isolate
the
failing
component:
a.
Keyboard,
mouse,
and
USB
devices
b.
DASD
devices
c.
PCI
adapters
d.
DVD
drive
2.
If
the
problems
remains:
a.
Inspect
the
SAS
power
cable
and
the
IDE
power
cable.
b.
Inspect
the
front
panel
USB
cable.
c.
(Trained
service
technician
only)
Replace
the
system
board.
166
IBM
System
x3655
Type
7985:
Problem
Determination
and
Service
Guide