Figure 66. Non-redundant cabled AC PSU status indicator and self-diagnostic button
1. Self-diagnostic button
2. AC PSU status indicator
Table 22. Non-redundant AC PSU status indicator
Power Indicator Pattern
Condition
Not lit
Power is not connected or PSU is faulty.
Green
A valid power source is connected to the PSU and the PSU is operational.
Using system diagnostics
If you experience an issue with the system, run the system diagnostics before contacting Dell for technical assistance. The
purpose of running system diagnostics is to test the system hardware without using additional equipment or risking data loss.
If you are unable to fix the issue yourself, service and support personnel can use the diagnostics results to help you solve the
issue.
Dell Embedded System Diagnostics
NOTE:
The Dell Embedded System Diagnostics is also known as Enhanced Pre-boot System Assessment (ePSA)
diagnostics.
The Embedded System Diagnostics provide a set of options for particular device groups or devices allowing you to:
●
Run tests automatically or in an interactive mode
●
Repeat tests
●
Display or save test results
●
Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
●
View status messages that inform you if tests are completed successfully
●
View error messages that inform you of issues encountered during testing
Running the Embedded System Diagnostics from the Dell Lifecycle
Controller
Steps
1. When the system is booting, press F10.
2. Select
Hardware Diagnostics
→
Run Hardware Diagnostics
.
System diagnostics and indicator codes
77
