Troubleshooting Your System 87
4
Ensure that the power supply is properly installed by removing and reinstalling it. See "Power Supply"
on page61.
If the problem persists, remove the faulty power supply. See "Removing the Power Supply" on page61.
5
Install a new power supply. See "Installing the Power Supply" on page62.
If the problem persists, see "Getting Help" on page 103.
Troubleshooting System Cooling Problems
Problem
• Systems management software issues a fan-related error message.
Action
Ensure that none of the following conditions exist:
• Ambient temperature is too high.
• External airflow is obstructed.
• Cables inside the system obstruct airflow.
• An individual cooling fan has failed. See "Troubleshooting a Fan" on page87.

Troubleshooting a Fan

Problem
• System-status indicator is amber.
• Systems management software issues a fan-related error message.
Action
CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the
components inside the system. Before performing any procedure, see your Product Information Guide for
complete information about safety precautions, working inside the computer and protecting against electrostatic
discharge.
1
Run the appropriate diagnostic test. See "Using Dell PowerEdge Diagnostics" on page93.
2
Open the system. See "Opening the System" on page 46.
3
Ensure that the faulty fan's power cable is firmly attached to the fan power connector. See "Fan
Assembly" on page 57.
NOTE: Wait 30 seconds for the system to recognize the fan and determine whether it is working properly.