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NOTE:
Some power supply units require 200-240V AC to deliver their rated capacity. For more information, see the
system Technical Specifications section in the Installation and Service Manual available at
poweredgemanuals.
Power supply unit problems
Steps
1. Ensure that no loose connections exist.
For example, loose power cables.
2. Ensure that the power supply handle/LED indicates that the power supply is working properly.
For more information about power supply unit indicators, see
3. If you have recently upgraded your system, ensure that the power supply unit has enough power to support the new system.
4. If you have a redundant power supply configuration, ensure that both the power supply units are of the same type and wattage.
5. Ensure that you use only power supply units with the Extended Power Performance (EPP) label on the back.
6. Re-seat the power supply unit.
NOTE:
After installing a power supply unit, allow several seconds for the system to recognize the power supply unit
and determine if it is working properly.
If the problem persists, see
Troubleshooting 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 are shipped with your product.
Ensure that the following conditions exist:
•
System cover, cooling shroud, EMI filler panel, or back filler bracket is not removed.
•
Ambient temperature is not higher than the system specific ambient temperature.
•
External airflow is not obstructed.
•
A cooling fan is not removed or has not failed.
•
The expansion card installation guidelines have been followed.
Additional cooling can be added by one of the following methods:
From the iDRAC web GUI:
1. Click Hardware > Fans > Setup.
2. From the Fan Speed Offset drop-down list, select the cooling level that is required or set the minimum fan speed to a custom value.
From F2 System Setup:
1. Select iDRAC Settings > Thermal, and set a higher fan speed from the fan speed offset or minimum fan speed.
From RACADM commands:
1. Run the command racadm help system.thermalsettings
For more information, see Integrated Dell Remote Access User's Guide at
Troubleshooting cooling fans
Prerequisites
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
112
Troubleshooting your system
Getting
Help.
Power indicator codes for power supply unit
www.dell.com/poweredgemanuals
www.dell.com/
on page 15.
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Troubleshooting
