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Error Code Message Information
Details System event log and operating system logs may indicate
that the exception is external to the processor.
Action
1. Check system and operating system logs for exceptions.
If no exceptions are found, continue.
2. Turn off the system and remove input power for one
minute.
3. Ensure the processor is seated correctly.
4. Reapply input power and turn on the system.
5. If the issue persists, see Getting Help.
CPU0703
Message CPU bus initialization error detected.
Details System event log and operating system logs may indicate
that the exception is external to the processor.
Action
1. Check system and operating system logs for exceptions.
If no exceptions are found, continue.
2. Turn off the system and remove input power for one
minute.
3. Ensure the processor is seated correctly.
4. Reapply input power and turn on the system.
5. If the issue persists, see Getting Help.
CPU0704
Message CPU <number> machine check error detected.
Details System event log and operating system logs may indicate
that the exception is external to the processor.
Action
1. Check system and operating system logs for exceptions.
If no exceptions are found, continue.
2. Turn off the system and remove input power for one
minute.
3. Ensure the processor is seated correctly.
4. Reapply input power and turn on the system.
5. If the issue persists, see Getting Help.
FAN0000
Message Fan <number> RPM is less than the lower warning threshold.
Details Fan operating speed is out of range.
Action Remove and reinstall the fan. If the issue persists, see Getting
Help.
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