Dell PowerEdge R815 Hardware Owner's Manual - Page 155

Troubleshooting Power Supplies, Troubleshooting System Cooling Problems

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Troubleshooting Power Supplies CAUTION: At least one power supply must be installed for the system to operate. Operating the system with only one power supply installed for extended periods of time can cause the system to overheat. 1 Identify the faulty power supply by the power supply's fault indicator. See "Power Indicator Codes" on page 21. 2 Reseat the power supply by removing and reinstalling it. See "Removing a Power Supply" on page 85 and "Installing a Power Supply" on page 87. NOTE: After installing a power supply, allow several seconds for the system to recognize the power supply and to determine if it is working properly. The power indicator turns green to signify that the power supply is functioning properly. If the problem persists, replace the faulty power supply. 3 If the problem persists, see "Getting Help" on page 185. Troubleshooting System Cooling Problems 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. Ensure that none of the following conditions exist: • System cover, cooling shroud, drive blank, memory-module blank, powersupply blank, or PCIe slot filler bracket is removed. • Ambient temperature is too high. See your Getting Started Guide for your system's operating temperature requirements. • External airflow is obstructed. • Cables inside the system obstruct airflow. • An individual cooling fan is removed or has failed. See"Troubleshooting a Fan" on page 158. • The expansion card installation guidelines have not been followed. See "Expansion Card Installation Guidelines" on page 107. Troubleshooting Your System 157

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Troubleshooting Your System
157
Troubleshooting Power Supplies
CAUTION:
At least one power supply must be installed for the system to operate.
Operating the system with only one power supply installed for extended periods of
time can cause the system to overheat.
1
Identify the faulty power supply by the power supply's fault indicator. See
"Power Indicator Codes" on page 21.
2
Reseat the power supply by removing and reinstalling it. See "Removing a
Power Supply" on page 85 and "Installing a Power Supply" on page 87.
NOTE:
After installing a power supply, allow several seconds for the system
to recognize the power supply and to determine if it is working properly. The
power indicator turns green to signify that the power supply is functioning
properly.
If the problem persists, replace the faulty power supply.
3
If the problem persists, see "Getting Help" on page 185.
Troubleshooting System Cooling Problems
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.
Ensure that none of the following conditions exist:
•
System cover, cooling shroud, drive blank, memory-module blank, power-
supply blank, or PCIe slot filler bracket is removed.
•
Ambient temperature is too high. See your
Getting Started Guide
for your
system’s operating temperature requirements.
•
External airflow is obstructed.
•
Cables inside the system obstruct airflow.
•
An individual cooling fan is removed or has failed. See"Troubleshooting a
Fan" on page 158.
•
The expansion card installation guidelines have not been followed. See
"Expansion Card Installation Guidelines" on page 107.