IBM 8676 Hardware Maintenance Manual - Page 115

error, codes, Temperature, messages

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If ISPR code is EF10 after disconnecting cables, follow the steps below until the error is eliminated: a. Identify which channel is causing the error by reconnecting cables one at a time and rebooting until the error returns. b. Check termination of identified channel in step 2a. Note: SCSI channel termination details, if any, appear elsewhere in this publication. c. Disconnect one drive at a time attached to channel identified in step 2a and reboot each time to determine which drive is causing the problem. d. Replace SCSI cable attached to channel identified in step 2a. e. Replace backplane attached to channel identified in step 2a. 3. If original ISPR code is still present after disconnecting all SCSI cables and rebooting, perform the following actions until the error is no longer present: v Reseat the controller v Replace the controller SCSI error codes Error code All SCSI Errors One or more of the following might be causing the problem: v A failing SCSI device (adapter, drive, controller) v An improper SCSI configuration or SCSI termination jumper setting v Duplicate SCSI IDs in the same SCSI chain v A missing or improperly installed SCSI terminator v A defective SCSI terminator v An improperly installed cable v A defective cable FRU/action 1. External SCSI devices must be turned on before you turn on the server. 2. Make sure that the cables for all external SCSI devices are connected correctly. 3. If you have attached an external SCSI device to the server, make sure the external SCSI termination is set to automatic. 4. Make sure that the last device in each SCSI chain is terminated correctly. 5. Make sure that the SCSI devices are configured correctly. Temperature error messages Note: See "System" on page 112 to determine which components should be replaced by a field service technician. Message Action DASD Over Temperature (level-critical; direct access storage device bay x was over temperature) v Ensure that the system is being properly cooled; see "System reliability considerations" on page 37. DASD Over recommended Temperature (sensor x) (level-warning; DASD bay x had over temperature condition) v Ensure that the system is being properly cooled; see "System reliability considerations" on page 37. DASD under recommended temperature (sensor x) (level-warning; direct access storage device bay x had under temperature condition) v Ambient temperature must be within normal operating specifications; see "Features and specifications" on page 2. Chapter 6. Symptom-to-FRU index 105

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If
ISPR
code
is
EF10
after
disconnecting
cables,
follow
the
steps
below
until
the
error
is
eliminated:
a.
Identify
which
channel
is
causing
the
error
by
reconnecting
cables
one
at
a
time
and
rebooting
until
the
error
returns.
b.
Check
termination
of
identified
channel
in
step
2a.
Note:
SCSI
channel
termination
details,
if
any,
appear
elsewhere
in
this
publication.
c.
Disconnect
one
drive
at
a
time
attached
to
channel
identified
in
step
2a
and
reboot
each
time
to
determine
which
drive
is
causing
the
problem.
d.
Replace
SCSI
cable
attached
to
channel
identified
in
step
2a.
e.
Replace
backplane
attached
to
channel
identified
in
step
2a.
3.
If
original
ISPR
code
is
still
present
after
disconnecting
all
SCSI
cables
and
rebooting,
perform
the
following
actions
until
the
error
is
no
longer
present:
v
Reseat
the
controller
v
Replace
the
controller
SCSI
error
codes
Error
code
FRU/action
All
SCSI
Errors
One
or
more
of
the
following
might
be
causing
the
problem:
v
A
failing
SCSI
device
(adapter,
drive,
controller)
v
An
improper
SCSI
configuration
or
SCSI
termination
jumper
setting
v
Duplicate
SCSI
IDs
in
the
same
SCSI
chain
v
A
missing
or
improperly
installed
SCSI
terminator
v
A
defective
SCSI
terminator
v
An
improperly
installed
cable
v
A
defective
cable
1.
External
SCSI
devices
must
be
turned
on
before
you
turn
on
the
server.
2.
Make
sure
that
the
cables
for
all
external
SCSI
devices
are
connected
correctly.
3.
If
you
have
attached
an
external
SCSI
device
to
the
server,
make
sure
the
external
SCSI
termination
is
set
to
automatic.
4.
Make
sure
that
the
last
device
in
each
SCSI
chain
is
terminated
correctly.
5.
Make
sure
that
the
SCSI
devices
are
configured
correctly.
Temperature
error
messages
Note:
See
“System”
on
page
112
to
determine
which
components
should
be
replaced
by
a
field
service
technician.
Message
Action
DASD
Over
Temperature
(level-critical;
direct
access
storage
device
bay
x
was
over
temperature)
v
Ensure
that
the
system
is
being
properly
cooled
;
see
“System
reliability
considerations”
on
page
37.
DASD
Over
recommended
Temperature
(sensor
x
)
(level-warning;
DASD
bay
x
had
over
temperature
condition)
v
Ensure
that
the
system
is
being
properly
cooled
;
see
“System
reliability
considerations”
on
page
37.
DASD
under
recommended
temperature
(sensor
x
)
(level-warning;
direct
access
storage
device
bay
x
had
under
temperature
condition)
v
Ambient
temperature
must
be
within
normal
operating
specifications
;
see
“Features
and
specifications”
on
page
2.
Chapter
6.
Symptom-to-FRU
index
105