Removing Or Replacing The Control Panel; Preparing The System - IBM Power System 9009-41A Manual

• If multiple systems are installed in multiple racks, a minimum of one control panel display is required in
each rack that contains the systems.
Removing and replacing the control panel in the 9009-41A, 9009-42A, or
9223-42H
Find information about removing and replacing the control panel in the IBM Power System S914
(9009-41A), IBM Power System S924 (9009-42A), or IBM Power System H924 (9223-42H) server.
About this task
Note: Removing or replacing this feature is a customer task. You can complete this task yourself, or
contact a service provider to complete the task for you. You might be charged a fee by the service
provider for this service.
If your system is managed by the Hardware Management Console (HMC), use the HMC to repair a part in
the system. For instructions, see Repairing a part by using the HMC (www.ibm.com/support/
knowledgecenter/POWER9/p9haj/p9haj_hmc_repair.htm).
If you do not have an HMC, use the following procedures to remove and replace the control panel.
Preparing the 9009-41A, 9009-42A, or 9223-42H system to remove and replace the
control panel
To prepare the system to remove and replace a control panel, 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. Stop the system. For instructions, see Stopping a system (www.ibm.com/support/knowledgecenter/
POWER9/p9haj/crustopsys.htm).
3. Label and disconnect the power cords from the system unit.
See Figure 3 on page 4 or Figure 4 on page 5.
Notes:
• This system might be equipped with two or more power supplies. If the removing and replacing
procedures require the system power to be turned off, ensure that all the power sources to the
system are disconnected.
• The power cord (B) is fastened to the system with hook-and-loop fastener (A). If you are placing
the system in a service position after you disconnect the power cords, ensure that you unstrap the
fastener.
Control panel and control panel display for the 9009-41A, 9009-42A, or 9223-42H 3