HP Integrity rx7640 and HP 9000 rp7440 Servers User Service Guide

Figure 72 Rear Smart Fan Assembly Locations
Table 32 Rear Smart Fan Assembly LED Indications
MeaningLED State
Fan is at speed and in sync or not at speed less than six secondsOn Green
Fan is not keeping up with speed/sync pulse for greater than six secondsFlashing
Yellow
Fan failed/stalled or has run slow or fast for greater than six secondsFlashing Red
Fan is not installed or no power is applied to fanOff
Removing and Replacing a Rear Smart Fan Assembly 137