Diagnostic lights (optional) – Dell PowerEdge R510 User Manual
Page 27
About Your System
27
Diagnostic Lights (Optional)
NOTE:
This section is applicable to twelve–hard-drive systems and systems with
cabled hard drives only.
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
operating condition
after POST.
Information only.
BIOS checksum failure
detected; system is in
recovery mode.
See "Getting Help" on page 199.
Possible processor failure. See "Troubleshooting Processors"
Memory failure.
See "Troubleshooting System
Memory" on page 177.
Possible expansion card
failure.
See "Troubleshooting Expansion
Cards" on page 184.
Possible video failure.
See "Getting Help" on page 199.
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