IBM 8862 Hardware Maintenance Manual - Page 125

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Note: See Chapter 7, "Parts listing, Types 8861, 8862," on page 139 to determine which components are replaceable by the customer and which components must be replaced by an IBM field service technician. Service Processor message FRU/action System shutoff due to +1.5v under voltage 1. Check light path and replace failing component. 2. VRM 3 or 4. 3. Microprocessor x. 4. Microprocessor tray assembly. System shutoff due to +12v over voltage 1. Power supply 2. Power backplane System shutoff due to +12v under voltage 1. Power supply 2. Power backplane System shutoff due to +2.5v over voltage 1. Check light path and replace failing component. 2. Microprocessor tray assembly. System shutoff due to +2.5v under voltage 1. Check light path and replace failing component. 2. Microprocessor tray assembly. System shutoff due to +3.3v over voltage v I/O board assembly System shutoff due to +3.3v under voltage v I/O board assembly System shutoff due to +5v over voltage 1. Power supply 2. I/O board assembly System shutoff due to +5v under voltage 1. Power supply 2. I/O board assembly System shutoff due to CPU X over temperature 1. Check all fans and remove any obstacles from the path of airflow. 2. Verify room temperature is within recommended range. 3. Verify the microprocessor heat sinks are properly seated. System shutoff due to DASD X temperature 1. Check all fans and remove any obstacles from the path of airflow. 2. Verify room temperature is within recommended range. System shutoff due to high ambient temperature 1. Check all fans and remove any obstacles from the path of airflow. 2. Verify room temperature is within recommended range. Systems Management RTC battery is no longer reliable v Replace Remote Supervisor Adapter II. User attempting to power/reset server v Information only VRM X Power Good Fault 1. VRM 3 or 4 2. Microprocessor tray assembly The service processor also generates a large number of information, error, and warning messages. If an RXE-100 unit is attached, the service processor might generate further messages specific to this unit, which are listed in the following table: Chapter 6. Symptom-to-FRU index 115

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Note:
See
Chapter
7,
“Parts
listing,
Types
8861,
8862,”
on
page
139
to
determine
which
components
are
replaceable
by
the
customer
and
which
components
must
be
replaced
by
an
IBM
field
service
technician.
Service
Processor
message
FRU/action
System
shutoff
due
to
+1.5v
under
voltage
1.
Check
light
path
and
replace
failing
component.
2.
VRM
3
or
4.
3.
Microprocessor
x.
4.
Microprocessor
tray
assembly.
System
shutoff
due
to
+12v
over
voltage
1.
Power
supply
2.
Power
backplane
System
shutoff
due
to
+12v
under
voltage
1.
Power
supply
2.
Power
backplane
System
shutoff
due
to
+2.5v
over
voltage
1.
Check
light
path
and
replace
failing
component.
2.
Microprocessor
tray
assembly.
System
shutoff
due
to
+2.5v
under
voltage
1.
Check
light
path
and
replace
failing
component.
2.
Microprocessor
tray
assembly.
System
shutoff
due
to
+3.3v
over
voltage
v
I/O
board
assembly
System
shutoff
due
to
+3.3v
under
voltage
v
I/O
board
assembly
System
shutoff
due
to
+5v
over
voltage
1.
Power
supply
2.
I/O
board
assembly
System
shutoff
due
to
+5v
under
voltage
1.
Power
supply
2.
I/O
board
assembly
System
shutoff
due
to
CPU
X
over
temperature
1.
Check
all
fans
and
remove
any
obstacles
from
the
path
of
airflow.
2.
Verify
room
temperature
is
within
recommended
range.
3.
Verify
the
microprocessor
heat
sinks
are
properly
seated.
System
shutoff
due
to
DASD
X
temperature
1.
Check
all
fans
and
remove
any
obstacles
from
the
path
of
airflow.
2.
Verify
room
temperature
is
within
recommended
range.
System
shutoff
due
to
high
ambient
temperature
1.
Check
all
fans
and
remove
any
obstacles
from
the
path
of
airflow.
2.
Verify
room
temperature
is
within
recommended
range.
Systems
Management
RTC
battery
is
no
longer
reliable
v
Replace
Remote
Supervisor
Adapter
II.
User
<USERID>
attempting
to
power/reset
server
v
Information
only
VRM
X
Power
Good
Fault
1.
VRM
3
or
4
2.
Microprocessor
tray
assembly
The
service
processor
also
generates
a
large
number
of
information,
error,
and
warning
messages.
If
an
RXE-100
unit
is
attached,
the
service
processor
might
generate
further
messages
specific
to
this
unit,
which
are
listed
in
the
following
table:
Chapter
6.
Symptom-to-FRU
index
115