Specifications

Diagnostics and Troubleshooting 3-7
Table 3-2
POST Error Messages
Error Code Audible Beeps Probable Source of
Problem
Action
A Correctable
Memory Error
occurred prior to
this power up
None A memory module
has experienced an
error that, while
recoverable, has
generated a
predictive failure
warning.
Run Diagnostics to identify the failed
memory module, and then replace it.
A Critical Error
occurred prior to
this power up
None A catastrophic
system error, which
caused the server to
crash, has been
logged.
Run Diagnostics. Replace failed
assembly as indicated.
Beeps only 2 long No valid memory is
present in the
system.
1. If no memory modules are
present, install at least one
memory module to conform to
minimum hardware configuration
specifications.
2. Reseat all installed memory
modules.
3. If the system contains more than
one memory module, remove one
module, and restart the server,
repeating as needed to isolate the
bad memory module.
Beeps only 2 long, 2 short The power has
cycled because the
temperature is too
hot. The processor
fan is not installed,
or is not spinning.
Check fans.
Critical Fan Failure
Detected –
System Shutting
Down
System Halted
None A critical fan is not
spinning.
1. Check fans.
2. Check fan cable connections.
continued