Installing System Components 159Fan ModulesThe PowerEdge C8000 server enclosure includes three pairs of hot-swappablefan modules that provide the system with redundant cooling source. Each fanmodule contains two separate cooling fans. All three fan modules must beinstalled at all times to ensure proper cooling.NOTE: If a fan module is removed from the enclosure, all sleds in the enclosure willbe throttled until the fan module is replaced. If two fan modules fail at the same timeand are not replaced within 10 minutes, the enclosure will shutdown automatically.For more information on troubleshooting a fan module(s), see the "TroubleshootingEnclosure Components" on page 171.Removing a Fan ModuleCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized is not covered bywarranty. Read and follow the safety instructions that came with the product.CAUTION: To ensure proper airflow in the system, if a fan module is removed itshould be immediately replaced with another module.1 Identify the failed fan module using the back-panel fan module indicators.See Figure 1-12.CAUTION: Use caution when handling the fan module until the fan blades stopspinning.WARNING: When removing the fan module, keep your hands and fingers awayfrom spinning fan blades.2 Loosen the two thumbscrews securing the fan module you wish to replace.3 Pull out the fan module from the fan bay. See Figure 3-12.
