LEDs on the power-fan canister
The power-fan canister has LEDs and its own power switch and power outlet. Each 12-drive or 24-drive shelf
has two of these canisters.
The following illustration shows the LEDs on the power-fan canister.
Figure 21. LEDs on the power-fan canister
LED
Status
Description
1 Power LED Green The power supply is functioning
correctly.
Off The power supply failed, the AC
switch is turned off, the AC
power cord is not properly
installed, or the AC power cord
input voltage is not within
margin (there is a problem at
the source end of the AC power
cord).
2 Attention LED Amber The power supply has a fault, or
there is no input power to this
power canister, but the other
power canister is operating.
Chapter 5. System monitoring 181
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