IBM 9117-MMB, 9179-MHB manual Removing a power supply, Power supplies

Attention:

vAttach a wrist strap to an unpainted surface of your hardware to prevent electrostatic discharge (ESD) from damaging your hardware.

vWhen using a wrist strap, follow all electrical safety procedures. A wrist strap is for static control. It does not increase or decrease your risk of receiving electric shock when using or working on electrical equipment.

vIf you do not have a wrist strap, just prior to removing the product from ESD packaging and installing or replacing hardware, touch an unpainted surface of the system for a minimum of 5 seconds.

7.Rotate the power-supply locking handle (A) to the open position as shown in Figure 9. Pull the power supply out of the expansion unit.

Figure 9. Removing a power supply

8.Optional: If you want to remove a failing power-supply fan, complete the following steps:

Note: If a fan fails, the amber fan fault LED (B) on the front of the Offline Converter Assembly (OCA), as shown in Figure 10 on page 12, is on solid.

Power supplies 11