IBM x3655 Service Guide - Page 168

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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. Error code Description Action 166-201-001 BMC indicates I2C errors on bus 1. 1. (Trained service technician only) Reseat the microprocessor. 2. Replace the following components one at a time, in the order shown, restarting the server each time: a. (Trained service technician only) Microprocessor b. (Trained service technician only) System board 166-201-002 BMC indicates I2C errors on bus 2. (Trained service technician only) Replace the system board. 166-201-003 BMC indicates I2C errors on bus 3. (Trained service technician only) Replace the system board. 166-201-004 BMC indicates I2C errors on bus 4. (Trained service technician only) Replace the system board. 166-201-005 BMC indicates I2C errors on bus 5. (Trained service technician only) Replace the system board. 166-201-006 BMC indicates I2C errors on bus 6. (Trained service technician only) Replace the system board. 166-201-007 BMC indicates I2C errors on bus 7. 1. (Trained service technician only) Reseat the microprocessor. 2. Replace the following components one at a time, in the order shown, restarting the server each time: a. (Trained service technician only) Microprocessor b. (Trained service technician only) System board 166-201-008 BMC indicates I2C errors on bus 8. 1. (Trained service technician only) Reseat the microprocessor. 2. Replace the following components one at a time, in the order shown, restarting the server each time: a. (Trained service technician only) Microprocessor b. (Trained service technician only) System board 166-250-000 System Management: Failed I2C cable is disconnected 1. Reconnect the I2C ribbon cable between the operator information panel assembly and the system board. 2. (Trained service technician only) Replace the system board. 150 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.
Error
code
Description
Action
166-201-001
BMC
indicates
I2C
errors
on
bus
1.
1.
(Trained
service
technician
only)
Reseat
the
microprocessor.
2.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
(Trained
service
technician
only)
Microprocessor
b.
(Trained
service
technician
only)
System
board
166-201-002
BMC
indicates
I2C
errors
on
bus
2.
(Trained
service
technician
only)
Replace
the
system
board.
166-201-003
BMC
indicates
I2C
errors
on
bus
3.
(Trained
service
technician
only)
Replace
the
system
board.
166-201-004
BMC
indicates
I2C
errors
on
bus
4.
(Trained
service
technician
only)
Replace
the
system
board.
166-201-005
BMC
indicates
I2C
errors
on
bus
5.
(Trained
service
technician
only)
Replace
the
system
board.
166-201-006
BMC
indicates
I2C
errors
on
bus
6.
(Trained
service
technician
only)
Replace
the
system
board.
166-201-007
BMC
indicates
I2C
errors
on
bus
7.
1.
(Trained
service
technician
only)
Reseat
the
microprocessor.
2.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
(Trained
service
technician
only)
Microprocessor
b.
(Trained
service
technician
only)
System
board
166-201-008
BMC
indicates
I2C
errors
on
bus
8.
1.
(Trained
service
technician
only)
Reseat
the
microprocessor.
2.
Replace
the
following
components
one
at
a
time,
in
the
order
shown,
restarting
the
server
each
time:
a.
(Trained
service
technician
only)
Microprocessor
b.
(Trained
service
technician
only)
System
board
166-250-000
System
Management:
Failed
I
2
C
cable
is
disconnected
1.
Reconnect
the
I
2
C
ribbon
cable
between
the
operator
information
panel
assembly
and
the
system
board.
2.
(Trained
service
technician
only)
Replace
the
system
board.
150
IBM
System
x3655
Type
7985:
Problem
Determination
and
Service
Guide