Control panel function codes

Learn about function codes that are displayed on the control panel to indicate status and function options.

To display all functions, put the control panel in manual operating mode. See Putting the physical control panel in manual operating mode.

The following table includes descriptions of the primary and customer-extended control panel function codes.

Table 1. Primary and customer-extended control panel (32-character) function codes
Function code	Function selected
01	Displays the current IPL parameters. Displays an indicator indicating the system is managed by a Hardware Management Console (HMC). This function is available in both normal and manual operating mode.
02	Used to select the IPL type, system operating mode, IPL speed, and firmware IPL mode. This function is available in both normal and manual operating mode.
03	Starts an IPL to load the system. The IPL uses the selected IPL options. This function is available only in manual operating mode and when the system power is on.
04	Performs a lamp test; all displays and indicators are lit. This function is available in both normal and manual operating mode.
05 and 06	Reserved.
07	Allows you to perform SPCN service functions. This function is available only in the manual operating mode and from power on standby.
08	Causes a fast power off. This function is available only when the system is in manual operating mode and the system power is on. For more information, see the following: Powering off the system. Powering off the partition.
09 and 10	Reserved.
11 through 19	Displays a system reference code (SRC) on the control panel. These functions are available in both normal and manual operating mode when an SRC is available.
20	Displays the machine type and model, VPD card CCIN, and IPL types. This function is available in both normal and manual operating mode.
21	Causes the Use Dedicated Service Tool (DST) display to appear on the system console. To exit the DST, select the Resume operating system display option. This function is available only in the manual operating mode and when activated by the operating system.
22	Forces a partition dump. First, see Function 34: Retry partition dump. To perform a system main storage dump, see Performing dumps. This function is available only in the manual operating mode and when activated by the operating system.
23 and 24	Reserved.
25 and 26	Use service switches 1 and 2 to enable or disable functions 50 through 99. These functions are available only in the manual operating mode.
27 through 29	Reserved.
30	Displays the service processor IP address and port location. This function is available only in the manual operating mode and from power on standby.
31 through 33	Reserved.
34	Retries the partition dump. This function is available only in the manual operating mode and when activated by the operating system.
35 through 41	Reserved.
42	Performs a platform dump. This function is available only in the manual operating mode and when activated by the operating system or the service processor.
43	Performs a service processor dump. This function is available only in the manual operating mode.
44 through 54	Reserved.

If you cannot find the function code in this chart, added features or devices might not have been available when this information was produced. Look on the control panel for supplemental unit function code information for the function code that you displayed.