Owners Manual

EqualLogic FS7500 Controller Hardware Maintenance Maintaining System Components
3–9
3. Connect the power cord to the power supply and to the power source.
4. Secure the cords using the strain relief straps.
5. Turn on power to the power supply.
6. Allow several seconds for the controller to recognize the new power supply and determine its
operational status. The power supply status indicator LED turns green when the power supply
is functioning properly.
Power Supply LED Status
An LED indicator on the controller power button indicates if power is supplied to the controller
and if the controller is operational.
In addition, the controller power supplies have an LED that shows whether power is present or
whether a power fault has occurred.
Table 3-1: FS7500 Controller Troubleshooting – Power Supply LED
LED Color and Patterns Description
Not lit No power.
Green When the controller is in standby mode (power connected but the
controller is not turned on), a green LED indicates that a valid AC
source is connected to the power supply, and that the power supply
is operational. When the controller is turned on, a green LED also
indicates that the power supply is providing DC power to the
controller.
Amber Indicates a problem with the power supply.
Alternating green and amber Flash upgrade is in progress. Check the status LEDs on the BPS
power supplies.