Dell PowerVault DP100 - Manual (Page 5)

Diagnostics Indicator Codes
Four diagnostic indicator lights are located behind the bezel on the I/O control panel. To access the lights, see Opening the System . These lights display error
codes during system startup. Table 1 -4 lists the causes and corrective actions associated with these codes and the power light status before system POST.
Table 1 -4 lists the causes and possible corrective actions for these codes during POST. A highlighted circle indicates the light is on; a non-highlighted circle
indicates the light is off.
Table 1-4. Diagnostic Indicator Lights
Setup program. See Using the System Setup Program .
Blinking
yellow Indicates that network data is being sent or received.
Link Off When off at the same time that the activity indicator is off, the NIC
is not connected to the network or the NIC is disabled in the
System Setup program. See
Using the System Setup Program .
On (green) Indicates active link.
Code Causes Corrective Action
No power is applied to the
system. See Troubleshooting Power Supplies .
A possible processor
failure has occurred. See Troubleshooting the Microprocessor .
Memory failure. See Troubleshooting System Memory .
Possible expansion-card
failure. See Troubleshooting Expansion Cards .
Possible video card failure. See Troubleshooting Expansion Cards .
Diskette or hard-drive
failure. Ensure that the diskette drive and hard drive(s) are
properly connected. See
Troubleshooting a Hard Drive
for information on the drive(s) installed in your
system.
Possible USB failure. See Troubleshooting a USB Device .
No memory modules
detected. See Troubleshooting System Memory .
System board failure. See Getting Help ."
Memory configuration
error. See Troubleshooting System Memory .
Possible system board
resource and/or system
board hardware failure. See Getting Help ."