Starting And Stopping The System - IBM Power System AC922 Installing

Starting and stopping the 8335-GTC, 8335-GTG, 8335-GTH, 8335-GTW, or 8335-GTX
system
Learn how to start and stop the IBM Power System AC922 (8335-GTC, 8335-GTG, and 8335-GTH) or IBM
Power System AC922 (8335-GTW and 8335-GTX) system to perform a service action or system upgrade
operation.
Starting the 8335-GTC, 8335-GTG, 8335-GTH, 8335-GTW, or 8335-GTX system
You use the power button to start the system.
About this task
Attention: For safety, airflow purposes and thermal performance, the service access cover must
be installed and fully seated before powering on the system on.
Attention: For a water-cooled system, before you power on the system, ensure that cooling water
is circulating through the system.
You can use this procedure to power on the system; or you can use a console to power on the system.
Procedure
1. Open the front rack door, if necessary.
2. Before you press the power button, ensure that the power supplies are connected to the system unit
and verify the following items:
• All system power cables are connected to a power source.
• The power-on LED as shown in Figure 46 on page 96, is flashing. A flashing light indicates standby
power to the unit.
3. Press the power button that is shown in Figure 46 on page 96.
The power-on light stops flashing and remains on, indicating that the system power is on. The system
cooling fans first run at a high speed, and after approximately 30 seconds, return to operating speed.
Figure 46. Power button
What to do next
If you press the power button and the system does not start, contact your next level of support or your
service provider.
96 Power Systems: Installing the System and Ordered Parts for the IBM Power System AC922 (8335-GTX)