Troubleshooting System Cooling Problems - Dell PowerEdge 850 Installation And Troubleshooting Manual

Problem
No power to the system.
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Power indicator on the front panel does not light.
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Action
1. Run the appropriate online diagnostics test. See
CAUTION: See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting
against electrostatic discharge.
2. Turn off the system and attached peripherals, and disconnect the system from the electrical outlet.
3. Open the system. See "Opening the
4. Ensure that the power cables are properly connected to the power connectors on the system board and backplane (if installed). To identify the system
board power connectors, see Figure A-3.
5. Close the system. See "Closing the
6. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
If the problem persists, see
Troubleshooting System Cooling Problems
Problem
A cooling fan is not operating properly.
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System status indicator is amber.
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Systems management software issues a fan-related error message.
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Action
CAUTION: 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
2. Open the system. See "Opening the
3. Locate the fan referenced by the systems management software or diagnostics.
See Figure A-3 for the relative location of each fan.
Ensure that the fan power cables are securely connected to the fan power connectors on the system board. See
power connector.
4. Check that cables are not blocking the airflow within the system.
5. Close the system. See "Closing the
6. Reconnect the system to the electrical outlet, and turn on the system and attached peripherals.
7. If the problem is not resolved, install a new fan. See
8. If the replacement fan does not operate, see
"Using Server Administrator
System."
System."
"Getting Help."
"Using Server Administrator
System."
System."
"System
"Getting Help."
Diagnostics" in "Running the System Diagnostics."
Diagnostics" in "Running System Diagnostics."
Fans" in "Installing System Components."
Figure A-3 for the location of each fan