Intel SPSH4 Product Guide - Page 99
Cooling System Fans, Checking a Fan Status Indicator
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Cooling System Fans The server accommodates four hot-swap fan modules. CAUTION Don't remove a fan module while the server is powered on unless you have a replacement unit available. Once you remove a fan module from the system, replace it within five minutes. Vacant spaces alter airflow patterns in the server system and can cause overheating and damage to system components. Checking a Fan Status Indicator Fault LEDs for each fan module are located on the fan board (Figure 33). The LEDs are visible through a cutout in the housing of each module. The red LEDs light to indicate a fan failure; during normal operation, the LEDs remain unlit. A fan failure is also indicated by the general system fault LED located on the front panel. B A A Fan board B Fan status LEDs Figure 33. Fan Status LEDs OM13400 Installing and Removing Components 99
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