Dell PowerEdge R250 EMC Installation and Service Manual - Page 84

System diagnostics and indicator codes, Non-redundant cabled power supply unit indicator codes,

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7 System diagnostics and indicator codes This section describes the diagnostic indicators on the system front panel that displays the system status during system startup. Topics: • Non-redundant cabled power supply unit indicator codes • Using system diagnostics Non-redundant cabled power supply unit indicator codes Press the self-diagnostic button to perform a quick health check on the non-redundant cabled power supply unit (PSU) of the system. Figure 79. Non-redundant cabled AC PSU status indicator and self-diagnostic button 1. Self-diagnostic button 2. AC PSU status indicator Table 23. 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. 84 System diagnostics and indicator codes

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System diagnostics and indicator codes
This section describes the diagnostic indicators on the system front panel that displays the system status during system startup.
Topics:
•
Non-redundant cabled power supply unit indicator codes
•
Using system diagnostics
Non-redundant cabled power supply unit indicator
codes
Press the self-diagnostic button to perform a quick health check on the non-redundant cabled power supply unit (PSU) of the
system.
Figure 79. Non-redundant cabled AC PSU status indicator and self-diagnostic button
1.
Self-diagnostic button
2.
AC PSU status indicator
Table 23. 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.
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System diagnostics and indicator codes