Diagnostic Lights (Optional) - Dell PowerVault NX300 Hardware Owner's Manual

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.
Table 1-1. Diagnostic Indicator Codes (Optional)
Code Causes
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.
The system is in a normal
operating condition after
POST.
BIOS checksum failure
detected; system is in
recovery mode.
Possible processor failure. See "Troubleshooting the
Memory failure.
Possible expansion card
failure.
Possible video failure.
Corrective Action
Plug the system into a working
electrical outlet and press the
power button.
Information only.
See "Getting Help" on page 177.
Microprocessors" on page 162.
See "Troubleshooting System
Memory" on page 154.
See "Troubleshooting Expansion
Cards" on page 161.
See "Getting Help" on page 177.
About Your System
21