IBM 87302RU Hardware Maintenance Manual - Page 114

error, messages, Undetermined, problems

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Bus error messages Note: See Chapter 7, "Parts listing, BladeCenter T Type 8720 and 8730," on page 107 to determine which components should be replaced by a field service technician. Message Action Failure reading I2C device. Check devices on bus 1. 1. Reset the management module. 2. Reseat the management module. 3. Reflash the management module. 4. Replace the management module. Failure reading I2C device. Check devices on bus 2. 1. Reset the management module. 2. Reseat the management module. 3. Replace the management module. 4. Replace the midplane. Failure reading I2C device. Check devices on bus 3. 1. Reseat the power modules. 2. Reseat the management module. 3. Replace the power modules. 4. Replace the management module. 5. Replace the midplane. Failure reading I2C device. Check devices on bus 4. 1. Reseat the management module. 2. Reseat the cables connected to the front panel customer interface card. 3. Reseat the cables connected to the rear panel customer interface card. 4. Replace the front panel customer interface card. 5. Replace the rear panel customer interface card. 6. Replace the management module. 7. Replace the midplane. Failure reading I2C device. Check devices on bus 5. 1. Reseat the switch modules. 2. Reseat the management module. 3. Replace the switch modules. 4. Replace the management module. 5. Replace the midplane. Undetermined problems Use the information in this section if the diagnostic tests did not identify the failure, the devices list is incorrect, or the system is inoperative. Notes: 1. When troubleshooting a BladeCenter T problem, you must determine if the problem is actually a blade server problem. v If the BladeCenter T unit contains more then one blade server installed and only one of the blade servers exhibits the symptom, most likely it is a blade server problem. v If all blade servers exhibit the same symptom, most likely it is a BladeCenter T unit problem. 2. Damaged data in CMOS can cause undetermined problems. 104 BladeCenter T Type 8720 and 8730: Hardware Maintenance Manual and Troubleshooting Guide

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Bus
error
messages
Note:
See
Chapter
7,
“Parts
listing,
BladeCenter
T
Type
8720
and
8730
,”
on
page
107
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Message
Action
Failure
reading
I2C
device.
Check
devices
on
bus
1.
1.
Reset
the
management
module.
2.
Reseat
the
management
module.
3.
Reflash
the
management
module.
4.
Replace
the
management
module.
Failure
reading
I2C
device.
Check
devices
on
bus
2.
1.
Reset
the
management
module.
2.
Reseat
the
management
module.
3.
Replace
the
management
module.
4.
Replace
the
midplane.
Failure
reading
I2C
device.
Check
devices
on
bus
3.
1.
Reseat
the
power
modules.
2.
Reseat
the
management
module.
3.
Replace
the
power
modules.
4.
Replace
the
management
module.
5.
Replace
the
midplane.
Failure
reading
I2C
device.
Check
devices
on
bus
4.
1.
Reseat
the
management
module.
2.
Reseat
the
cables
connected
to
the
front
panel
customer
interface
card.
3.
Reseat
the
cables
connected
to
the
rear
panel
customer
interface
card.
4.
Replace
the
front
panel
customer
interface
card.
5.
Replace
the
rear
panel
customer
interface
card.
6.
Replace
the
management
module.
7.
Replace
the
midplane.
Failure
reading
I2C
device.
Check
devices
on
bus
5.
1.
Reseat
the
switch
modules.
2.
Reseat
the
management
module.
3.
Replace
the
switch
modules.
4.
Replace
the
management
module.
5.
Replace
the
midplane.
Undetermined
problems
Use
the
information
in
this
section
if
the
diagnostic
tests
did
not
identify
the
failure,
the
devices
list
is
incorrect,
or
the
system
is
inoperative.
Notes:
1.
When
troubleshooting
a
BladeCenter
T
problem,
you
must
determine
if
the
problem
is
actually
a
blade
server
problem.
v
If
the
BladeCenter
T
unit
contains
more
then
one
blade
server
installed
and
only
one
of
the
blade
servers
exhibits
the
symptom,
most
likely
it
is
a
blade
server
problem.
v
If
all
blade
servers
exhibit
the
same
symptom,
most
likely
it
is
a
BladeCenter
T
unit
problem.
2.
Damaged
data
in
CMOS
can
cause
undetermined
problems.
104
BladeCenter
T
Type
8720
and
8730:
Hardware
Maintenance
Manual
and
Troubleshooting
Guide