Dell PowerEdge M820 Owner's Manual page 122

Error Code Message Information
Action
PST0256
Message
LCD Message
Details
Action
PSU0001
Message
LCD Message
Action
PSU0002
Message
LCD Message
Details
Action
PSU0003
Message
LCD Message
Details
Action
PSU0004
Message
LCD Message
Details
122
Check system video and review event log for additional
information.
POST fatal error detected.
POST fatal error detected.
System BIOS detected a functional or configuration issue
during system POST.
Check system video and review event log for additional
information.
Power supply <number> failed.
PSU <number> failed. Check PSU.
Remove and reinstall the power supply. If the issue persists,
see Getting Help.
A predictive failure detected on power supply <number>.
Predictive failure on PSU <number>. Check PSU.
System performance and power redundancy may be
degraded or lost.
Remove and reinstall the power supply at the next service
window. If the issue persists, see
The power input for power supply <number> is lost.
Power input for PSU <number> is lost. Check PSU cables.
The power supply is installed correctly but an input source is
not connected or is not functional.
Verify the input source is attached to the power supply.
Verify the input power is within the operating requirements
for the power supply.
The power input for power supply <number> is outside of
the allowable range.
Power input for PSU <number> is outside of range. Check
PSU cables.
The operating requirements for the power supply may be
found in this manual or on the power supply itself.
Getting Help.