IBM System x3650 M3 4255 Service Manual page 146

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 PSn 12V UV Fault has
transitioned to non-recoverable.
Sensor PSn 12V OC Fault has
transitioned to non-recoverable.
(n = power supply number)
Sensor PS n VCO Fault has
transitioned to non-recoverable.
(n = power supply number)
Redundancy Power Unit has been
reduced.
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IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide
Error A sensor has changed to
Nonrecoverable state.
Error A sensor has changed to
Nonrecoverable state.
Error A sensor has changed to
Nonrecoverable state.
Error Redundancy has been lost and is
insufficient to continue operation.
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)
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 "Light path
diagnostics LEDs" on page
65.
2. Remove the power supplies.
3. Replace power supply n.
4. (Trained service technician
only) Replace the system
board.
(n = power supply number)
1. Check the power supply n
LEDs.
2. Replace the failing power
supply.
(n = power supply number)
1. Check the LEDs for both
power supplies.
2. Follow the actions in
"Power-supply LEDs" on page
69.