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Convention
Power Indicator
Pattern
D
Flashing amber
E
Not lit
Non-redundant power supply unit indicator codes
Press the self-diagnostic button to perform a quick health check on the non-redundant power supply
unit (PSU) of the system.
Figure 15. Non-redundant AC PSU status indicator and self-diagnostic button
1.
self-diagnostic button
Condition
NOTE: Mixing PSUs from previous generations of Dell
PowerEdge servers can result in a PSU mismatch condition or
failure to turn the system on.
Indicates a problem in the PSU.
CAUTION: When correcting a PSU mismatch, replace only the
PSU with the flashing indicator. Swapping the other PSU to
make a matched pair can result in an error condition and
unexpected system shutdown. To change from a High Output
configuration to a Low Output configuration or vice versa,
you must turn off the system.
CAUTION: AC PSUs support both 220 V and 110 V input
voltages with the exception of Titanium PSUs, which support
only 220 V. When two identical PSUs receive different input
voltages, they can output different wattages, and trigger a
mismatch.
CAUTION: If two PSUs are used, they must be of the same type
and have the same maximum output power.
CAUTION: Combining AC and DC PSUs is not supported and
triggers a mismatch.
Power is not connected.
2.
AC PSU status indicator
31
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Troubleshooting
