Power, location, and system-error LEDs

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The power, location, and system-error LEDs are housed on the rear of the SAN Volume Controller .

Figure 1 shows the location of the LEDs.
Figure 1. Power, location, and system-error LEDs
Power, location, and system-error LEDs
 1  Power LED
This LED is the leftmost of the three LEDs and indicates the following states:
Off
One or more of the following are true:
  • No power is present at the power supply input.
  • The power supply has failed.
  • The LED has failed.
On
The SAN Volume Controller is on.
Flashing
The SAN Volume Controller is turned off but is still connected to a power source.
 2  Location LED
This LED is used to visually locate SAN Volume Controller 2145-DH8 nodes from other nodes on the system. This LED is the same as the system-locator LED on the front of the node.
 3  System-error LED
This LED is the rightmost of the three LEDs. The LED indicates that a system board error has occurred. Light path diagnostics provide more information about the error.