Use this information to view DC power-supply LEDs.
The following table describes the problems that are indicated by various combinations of the power-supply LEDs on a dc power supply and suggested actions to correct the detected problems.
DC power-supply LEDs | Description | Action | Notes | ||
---|---|---|---|---|---|
IN | OUT | Error (!) | |||
On | On/ Blinking | Off | Normal operation. | When the OUT LED is blinking as a 1Hz rate, the PSU is at STANDBY mode, i.e. no DC power output from this PSU | |
Off | Off | Off | No ac power to the server or a problem with the ac power source. |
|
This is a normal condition when no ac power is present. |
Off | Off | On | The power supply has failed. | Replace the power supply. | |
Off | On/ Blinking | Off | The power supply has failed. | Replace the power supply. | |
Off | On/ Blinking | On | The power supply has failed. | Replace the power supply. | |
On | Off | Off | Power-supply not fully seated, faulty system board, or the power supply has failed. |
|
Typically indicates a power-supply is not fully seated. |
On | Off | On | The power supply has failed. | Replace the power supply. | |
On | On/ Blinking | On | The power supply has failed. | Replace the power supply. |