Troubleshooting cooling problemsCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the 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 too high.• 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 needed or set the minimum fanspeed to a custom value.From F2 System Setup1. Select iDRAC Settings → Thermal, and set a higher fan speed from the fan speed offset or minimumfan speed.From RACADM commands1. Run the command racadm help system.thermalsettingsFor more information, see the Integrated Dell Remote Access Controller User's Guide at dell.com/esmmanuals.Troubleshooting cooling fansPrerequisitesCAUTION: Many repairs may only be done by a certified service technician. You should onlyperform troubleshooting and simple repairs as authorized in your product documentation, or asdirected by the online or telephone service and support team. Damage due to servicing that isnot authorized by Dell is not covered by your warranty. Read and follow the safety instructionsthat came with the product.NOTE: In the event of a problem with a particular fan, the fan number is referenced by the system’smanagement software, allowing you to easily identify and replace the proper fan by noting the fannumbers on the cooling fan assembly.Steps1. Remove the system cover.2. Reseat the fan or the fan's power cable.158