Dell PowerEdge T140 EMC PowerEdge Servers Troubleshooting Guide - Page 15

DC PSU status indicator, Table 8. DC PSU status indicator codes

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Power indicator codes Condition CAUTION: When correcting a PSU mismatch, replace only the PSU with the blinking indicator. Swapping the 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 240 V and 120 V input voltages with the exception of Titanium PSUs, which support only 240 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. Figure 5. DC PSU status indicator 1 DC PSU status indicator Table 8. DC PSU status indicator codes Power indicator codes Condition Green A valid power source is connected to the PSU and the PSU is operational. Blinking amber Indicates a problem with the PSU. Not illuminated Power is not connected. Blinking green When hot-plugging a PSU, the PSU indicator blinks green. This indicates that there is a PSU mismatch with respect to efficiency, feature set, health status, or supported voltage. CAUTION: When correcting a PSU mismatch, replace only the PSU with the blinking indicator. Swapping the 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: 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. Diagnostic indicators 15

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Power indicator codes
Condition
CAUTION:
When correcting a PSU mismatch, replace only the PSU with the blinking indicator.
Swapping the 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 240 V and 120 V input voltages with the exception of Titanium
PSUs, which support only 240 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.
Figure 5. DC PSU status indicator
1
DC PSU status indicator
Table 8. DC PSU status indicator codes
Power indicator codes
Condition
Green
A valid power source is connected to the PSU and the PSU is operational.
Blinking amber
Indicates a problem with the PSU.
Not illuminated
Power is not connected.
Blinking green
When hot-plugging a PSU, the PSU indicator blinks green. This indicates that there is a PSU mismatch
with respect to
efficiency,
feature set, health status, or supported voltage.
CAUTION:
When correcting a PSU mismatch, replace only the PSU with the blinking
indicator. Swapping the 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:
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.
Diagnostic indicators
15