Dell PowerVault DL2200 Hardware Owner's Manual - Page 19
Diagnostic Lights
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Diagnostic Lights The four diagnostic indicator lights on the system front panel display error codes during system startup. Table 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. Diagnostic Indicator Codes Code Causes Corrective Action The system is in a normal Plug the system into a working off condition or a possible electrical outlet and press the pre-BIOS failure has power button. occurred. The diagnostic lights are not lit after the system successfully boots to the operating system. The system is in a normal Information only. operating condition after POST. BIOS checksum failure detected; system is in recovery mode. See "Getting Help" on page 157. Possible processor failure. See "Troubleshooting Processors" on page 144. Memory failure. See "Troubleshooting System Memory" on page 137. Possible expansion card See "Troubleshooting Expansion failure. Cards" on page 142. Possible video failure. See "Getting Help" on page 157. About Your System 19