System event messages log
The system event messages log contains messages of three types:
Information
Information messages do not require action; they record significant
system-level events, such as when the server is started.
Warning
Warning messages do not require immediate action; they indicate possible
problems, such as when the recommended maximum ambient temperature
is exceeded.
Error Error messages might require action; they indicate system errors, such as
when a fan is not detected.
Each message contains date and time information, and it indicates the source of
the message (POST or the IMM).
Integrated management module error messages
Table 10. Integrated management module error messages
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.
Message Severity Description Action
Numeric sensor Ambient Temp
going high (upper critical) has
asserted.
Error An upper critical sensor going
high has asserted.
Reduce the ambient temperature.
Numeric sensor Ambient Temp
going high (upper
non-recoverable) has asserted.
Error An upper nonrecoverable sensor
going high has asserted.
Reduce the ambient temperature.
Numeric sensor Planar 3.3V going
low (lower critical) has asserted.
Error A lower critical sensor going low
has asserted.
(Trained service technician only)
Replace the system board.
Numeric sensor Planar 3.3V going
high (upper critical) has asserted.
Error An upper critical sensor going
high has asserted.
(Trained service technician only)
Replace the system board.
Numeric sensor Planar 5V going
low (lower critical) has asserted.
Error A lower critical sensor going low
has asserted.
(Trained service technician only)
Replace the system board.
Numeric sensor Planar 5V going
high (upper critical) has asserted.
Error An upper critical sensor going
high has asserted.
(Trained service technician only)
Replace the system board.
Numeric sensor Planar 12V going
low (lower critical) has asserted.
Error A lower critical sensor going low
has asserted.
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.
114 IBM System x3650 M3 Types 4255, 7945, and 7949: Problem Determination and Service Guide