Dell T310 owner manual Diagnostic Lights Optional

A non-redundant power supply has an LED indicator that shows whether power is present or whether a power fault has occurred.

•Not lit — AC power is not connected. It also indicates that the system is in standby mode.

•Green — When the system is on, a green light also indicates that the power supply is providing DC power to the system.

Figure 1-5. Non-Redundant Power Supply Status Indicator

	1	2
1 power supply status indicator	2 power supply test switch

Diagnostic Lights (Optional)

The four diagnostic indicator lights on the system front panel display error codes during system startup. Table 1-1 lists the causes and possible corrective actions associated with these codes. A highlighted circle indicates the

light is on; a non-highlighted circle indicates the light is off.

NOTE: The diagnostic LEDs are not present when the system is equipped with an LCD display.

About Your System

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