Faulty power supply
Several LEDs and combinations of LEDs can indicate that a power supply is faulty. The following table describes these LEDs and LED combinations.
AC
DC
Error
Off
On
Off
Off
On
On
On
Off or flashing
On
On
On
On
Troubleshooting steps
Procedure
Replace the power supply.
Related tasks
Removing a power supply
Installing a power supply
Related information
Power supply LEDs