AC Power Supply Status Indicators

Each AC power supply has an illuminated translucent handle that indicates whether power is present or whether a power fault has occurred.

Figure: AC Power Supply LED Status

Table 1. AC Power Supply LED Status
OK LED Status
Green A valid power source is connected to the power supply and the power supply is operational.
Flashing green When updating the firmware of the power supply unit is being updated, the power supply handle flashes green.
Flashing green and turns off When hot-adding a power supply, the power supply handle flashes green five times at 4 Hz rate and turns off. This indicates that there is a power supply mismatch with respect to efficiency, feature set, health status, and supported voltage. Replace the power supply with a power supply that matches the capacity of the other power supply.
Flashing amber Indicates a problem with the power supply.