User Service Guide, Fourth Edition - Server Expansion Unit

Chapter 5

Removal and Replacement

Removing and Replacing a Standby/Main Fan (Front)Assembly

The Front Standby/MStandby/Main fan Assembly is located in the front of the chassis. The fan assembly is a

hot-swap component.

CAUTION Observe all ESD safety precautions before attempting this procedure. Failure to follow ESD

safety precautions could result in damage to the SEU.

Figure 5-12 Front Standby/Main Fan Assembly Locations

Table 5-1 Front Standby/Main Fan Assembly LED Indications

LED State Meaning

On Green Fan is at speed and in sync or not at speed less than 12 seconds

Flash Yellow Fan is not keeping up with speed/sync pulse for greater than 12 seconds

Red Fan failed or stalled, has run slow, or fast for greater than 12 seconds

Off Fan is not present, or no power is applied to fan, or the fan has failed

Fan 0

LED

Fan 1