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24 About Your System
• Amber — Indicates a problem with the power supply.
• Alternating green and amber — When hot-adding a power supply, this
indicates that the power supply is mismatched with the other power
supply (a high output power supply and an energy smart power supply are
installed in the same system). Replace the power supply that has the
flashing indicator with a power supply that matches the capacity of the
other installed power supply.
CAUTION: When correcting a power supply mismatch, replace only the power
supply with the flashing indicator. Swapping the opposite power supply to make a
matched pair can result in an error condition and unexpected system shutdown.
To change from a High Output configuration to an Energy Smart configuration or
vice versa, you must power down the system.
Figure 1-6. Redundant Power Supply Status Indicator
A non-redundant power supply has an LED indicator that shows whether
power is present or whether a power fault has occurred.
1 power supply status
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book.book Page 24 Tuesday, June 9, 2009 4:09 PM