IBM SY44-5902-05 Fan Power Off, Bulk Power Off, Fan Power On, Bulk Power On, F0-F3 Select Fan

If the processing unit is powered on, this command causes the system to transmit a Rack Power On command to the network. After youcomplete concurrent repairs, use this function to restore power to expansion units that are turned off or faulted off.

02 Fan Power Off

Use this function to select a concurrent fan power off operation. SPCN responds by enabling subfunction range F0–F3 (see “F0-F3 Select Fan”) to select the fan to be powered off.

03Bulk Power Off

Use this function to select a concurrent bulk power off operation. SPCN responds by enabling subfunction range B0–B5 (see “B0-B5 Select Bulk”) to select the bulk to be powered off.

04Fan Power On

Use this function to select a concurrent fan power on operation. SPCN responds by enabling subfunction range F0–F3 (see “F0-F3 Select Fan”) to select the fan to be powered on.

You only need this function if the wrong fan is powered off. The system automatically starts a concurrently repaired fan after the fan is inserted.

05Bulk Power On

Use this function to select a concurrent bulk power on operation. SPCN responds by enabling subfunction range B0–B5 (see “B0-B5 Select Bulk”) to select the bulk to be powered on.

You only need this function if the wrong bulk is powered off. The system automatically starts a concurrently repaired bulk after the bulk is installed.

F0–F3 Select Fan

Use this subfunction to select the fan for the previously selected concurrent repair operation. If accepted, SPCN performs the operation and disables this subfunction range. The system displays a function 5 SRC when the fan is turned off and removes it when the fan is installed.

B0–B5 Select Bulk

Use this subfunction to select the bulk for the previously selected concurrent repair operation. If accepted, SPCN performs the operation and disables this subfunction range. A function 5 SRC is displayed when the bulk is turned off and removed when the bulk is installed.

Function 08–Fast Power Off: Function 08 is enabled only when you select Manual mode.

Use this function when the system is suspended and you cannot perform a power down.

Initially, the system displays an attention SRC, 11-x A1xx 8008. This SRC indicates that you selected Function 08. To perform a fast power off, see “Powering Off and Powering On the System” in the Problem Analysis information for your system.

Note: If the system password was changed at the most recent IPL, performing a fast power off might cause that new password information to be lost.

168Service Functions V5R2