Dell R515 Diagnostic Lights Optional, Diagnostic Indicator Codes Causes Corrective Action

Diagnostic Lights (Optional)

NOTE: This section is applicable to twelve–hard-drive systems.

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.

Table 1-1. Diagnostic Indicator Codes

Code Causes Corrective Action

The system is in a normal off condition or a possible pre-BIOS failure has occurred.

The diagnostic lights are not lit after the system successfully boots to the operating system.

Plug the system into a working electrical outlet and press the power button.

The system is in a normal	Information only.
operating condition
after POST.
BIOS checksum failure	See "Getting Help" on page 187.
detected; system is in
recovery mode.

Possible processor failure. See "Troubleshooting Processors"

	on page 174.
Memory failure.	See "Troubleshooting System
	Memory" on page 165.
Possible expansion card	See "Troubleshooting Expansion
failure.	Cards" on page 172.
Possible video failure.	See "Getting Help" on page 187.

About Your System

25