Table
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DC | Green | On — DC power is good. |
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| Off — DC output power is not good. |
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| If the DC green LED is off, contact a service |
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| technician to replace the power supply. |
If one power supply fails, the message, Power supply degraded . . . appears on the LCD. A similar message appears on the system console telling you which power supply failed. The message, Power good, also appears on the LCD and console, indicating that the second power supply is maintaining the filer.
AC | Yellow |
Off—AC signal is not good.
If the AC LED is off but the power LED on the front panel is on, the second power supply takes over and maintains the filer. In either case:
Ensure that the power supply is fully installed and locked into place.
Ensure that the power switch is in the On position.
Check the power source.
If the preceding actions do not correct the problem, contact Dell technical support for help.