Dell PowerEdge R420xr Owner's Manual page 115

Error Code Message Information
Action
CPU0704
Message
LCD Message
Details
Action
FAN0000
Message
Details
Action
FAN0001
Message
LCD Message
Details
Action
FAN1201
Message
LCD Message
Details
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
CPU <number> machine check error detected.
CPU <number> machine check error detected. Power cycle
system.
System event log and operating system logs may indicate
that the exception is external to the processor.
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
Fan <number> RPM is less than the lower warning threshold.
Fan operating speed is out of range.
Remove and reinstall the fan. If the issue persists, see
Help.
Fan <number> RPM is less than the lower critical threshold.
Fan <number> RPM is outside of range. Check fan.
Fan operating speed is out of range.
Remove and reinstall the fan. If the issue persists, see
Help.
Fan redundancy is lost.
Fan redundancy is lost. Check fans.
Fan has failed.
Remove and reinstall failed fans or install additional fans.
Getting Help.
Getting Help.
Getting
Getting
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