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No-beep symptoms
The following table describes situations in which no beep code sounds when POST
is completed.
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 3, "Parts listing, Type 7981," on page 53 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.
No-beep symptom
No beep and the blade server operates correctly
No beep and no video (system-error LED is off)
No beep and no video (system attention LED is lit)
Error logs
The BMC log contains all system status messages from the blade server service
processor. The management-module event log in your BladeCenter unit contains
messages that were generated on each blade server during POST and status
messages from the BladeCenter service processor. (See the documentation for your
management-module for more information.)
The following illustration shows an example of a BMC log entry.
Important:
v A single problem might cause several error messages. When this occurs, work to
v The management-module event log in your BladeCenter unit lists messages
16
BladeCenter HS20 Type 7981: Problem Determination and Service Guide
BMC System Event Log
----------------------------------------------------------
Get Next Entry
Get Previous Entry
Clear BMC SEL
Entry Number=
00005 / 00011
Record ID=
0005
Record Type=
02
Timestamp=
2005/01/25 16:15:17
Entry Details:
Generator ID= 0020
Sensor Type= 04
Assertion Event
Fan
Threshold
Lower Non-critical - going high
Sensor Number= 40
Event Direction/Type= 01
Event Data= 52 00 1A
correct the cause of the first error message. After you correct the cause of the
first error message, the other error messages usually will not occur the next time
you run the test.
according to the position of the blade server in the blade bays. If a blade server
is moved from one bay to another, the management-module event log will report
Action
(Trained service technician only) Replace the system
board assembly.
See "Solving undetermined problems" on page 49.
See "Light path diagnostics" on page 38.
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