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Troubleshooting your enclosure
Safety first—for you and your enclosure
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
Troubleshooting enclosure startup failure
If your system stops functioning during startup, check if:
• The enclosure fault LEDs are lit. See Enclosure Management Module.
• A message is displayed on the screen. See the Dell OpenManage Server Administrator documentation.
• There is a constant scraping or grinding sound when you access the hard disk drive. See Getting Help.
Troubleshooting loss of communication
For information about troubleshooting loss of communication, see Troubleshooting Enclosure
Management Modules.
Troubleshooting external connections
• Verify that the cables are connected to the correct ports before troubleshooting any external devices.
For the location of the back-panel connectors on your enclosure, see Back-panel features and
indicators.
• Ensure that all the cables are securely attached to the external connectors on your enclosure.
Troubleshooting power supply unit or cooling fan
module
CAUTION: Many repairs may only be done by a certified service technician. You should only
perform troubleshooting and simple repairs as authorized in your product documentation, or as
directed by the online or telephone service and support team. Damage due to servicing that is
not authorized by Dell is not covered by your warranty. Read and follow the safety instructions
that came with the product.
CAUTION: It is recommended that you turn off the host server before turning off the enclosure to
prevent loss of data.
1. Locate the faulty PSU and determine the status of LEDs.
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