Fans
System control unit
Preparing the 9080-M9S system control unit to remove and replace a fan
To prepare the system to remove and replace a fan, complete the steps in this procedure.
Procedure
1. Identify the part and the system that you are working on. For instructions, see Identifying a
part (www.ibm.com/support/knowledgecenter/POWER9/p9haj/sal.htm).
Use the blue identify LED on the enclosure to locate the system. Ensure that the serial number of the
system matches the serial number to be serviced.
2. If applicable, open the rack front door.
3. Pull the cover (A) away from the system control unit as shown in the following figure.
Figure 74. Removing the front cover