IBM System x3650 M3 4255 Service Manual page 145

Table 10. Integrated management module error messages (continued)
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, Types 4255, 7945, and 7949 server," on page 157 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.
Sensor Pwr Rail E Fault has
transitioned to non-recoverable.
Sensor PS n Therm Fault has
transitioned to critical from a less
severe state.
(n = power supply number)
Sensor PSn 12V OV Fault has
transitioned to non-recoverable.
(n = power supply number)
Error A sensor has changed to
Nonrecoverable state.
Error A sensor has changed to Critical
state from a less severe state.
Error A sensor has changed to
Nonrecoverable state.
1. Turn off the server and
disconnect it from power.
2. (Trained service technician
only) Remove the PCI riser
card from PCI riser-card
connector 2 and the
microprocessor from socket 2.
3. Reinstall each device, one at
a time, starting the server
each time to isolate the failing
device.
4. Replace the failing device.
5. (Trained service technician
only) Replace the system
board.
1. Make sure that there are no
obstructions, such as bundled
cables, to the airflow from the
power-supply fan.
2. Replace power supply n.
(n = power supply number)
1. Check the OVER SPEC LED
and power-channel (A, B, C,
D, E, and AUX) error LEDs on
the system board. See the
information about the OVER
SPEC LED in "Power-supply
LEDs" on page 69.
2. Remove the power supplies.
3. Replace power supply n.
4. (Trained service technician
only) Replace the system
board.
(n = power supply number)
Chapter 3. Diagnostics
127