Dell PowerVault 745N Manual do Utilizador descarregar pdf (Página 47)

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If the date and time are not correct in the System Setup program, replace the battery. See "System Battery" in "Installing System Components." 
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If the problem is not resolved by replacing the battery, see "Getting Help." 
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Troubleshooting the Power Supply 
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Problem 
l The power LED on the front of the system is not lit. 
 
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Action 
1. Check the connection of the power cable to the power supply and the outlet.  
 
2. Remove the bezel. See "Removing and Replacing the Bezel."  
 
3. Turn on the system.  
 
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If the problem is not resolved, continue to the next step. 
4. Open the system. See "Opening the System."  
 
5. Ensure that the power supply cable is properly connected to the backplane board.  
 
6. Close the system. See "Closing the System."  
 
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If the problem is still not resolved, replace the power supply. See "Power Supply" in "Installing System Components." 
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Troubleshooting System Cooling Problems 
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Problem 
l Systems management software issues a fan-related error message. 
 
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Action 
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Ensure that none of the following conditions exist: 
l Ambient temperature is too high. 
 
l External airflow is obstructed. 
 
l Cables inside the system obstruct airflow. 
 
l An individual cooling fan has failed. See "Troubleshooting a Fan." 
 
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Troubleshooting a Fan  
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Problem 
l System-status indicator is amber. 
 
l Systems management software issues a fan-related error message. 
 
NOTE: Some software may cause the system time to speed up or slow down. If the system seems to operate normally except for the time kept in the 
System Setup program, the problem may be caused by software rather than by a defective battery. 

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