Troubleshooting Power Supplies - Dell PowerVault MD1120 Hardware Owner's Manual

Action
CAUTION:
Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
1 Ensure that the following components are properly installed:
• All physical disks (both in their carriers and connected to the
enclosure midplane)
• Power supply/cooling fan modules
• EMMs
• Enclosure midplane
2 Ensure that all cables are properly connected and that there are no bent
pins in the connector.
3 Run any diagnostics available in Server Administrator.
If the tests fail, see "Getting Help" on page 53.

Troubleshooting Power Supplies

Problem
• Enclosure-status indicators show a problem.
• Power-supply fault indicators are lit.
Action
CAUTION:
Only trained service technicians are authorized to remove the system
cover and access any of the components inside the system. Before you begin this
procedure, review the safety instructions that came with the system.
NOTICE:
It is recommended to power down the server before powering down the
enclosure to prevent loss of communication.
1 Locate the faulty power supply and determine the status of the LEDs.
If the AC Power LED is not lit, troubleshoot the power cord and power
source into which the power supply is plugged.
• Use a known good power source (outlet).
• Use a known good power cord.
Troubleshooting Your Enclosure
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