IBM 8688 manual Removing and replacing a hot-swap power supply

Removing and replacing a hot-swap power supply

Your server comes with two hot-swap power supplies, which you can remove and replace without turning off the server. The following illustration shows the locations of the power supplies on the front of the server.

Power LEDs	Power supply 1
	Power supply 2
Power-on LED
Power button
Reset button
Power-supply
latch
Handle

Before you remove or replace a power supply, review the following information.

Notes:

1.The power supplies are hot-swappable and redundant only at 200-240 V ac.

2.Both power supplies must be connected to the power source for operation at 100-127 V ac.

3.During normal operation, both power supplies must be installed for proper operation and cooling.

If you install or remove a power supply, observe the following precautions.

Statement 8:

CAUTION:

Never remove the cover on a power supply or any part that has the following label attached.

Hazardous voltage, current, and energy levels are present inside any component that has this label attached. There are no serviceable parts inside these components. If you suspect a problem with one of these parts, contact a service technician.

Complete the following steps to remove and replace a power supply:

1.Read the safety information beginning on page 197 and “Installation guidelines” on page 77.

2.Remove the front bezel (see “Removing and replacing the bezel” on page 89 for instructions about removing the front bezel).

90IBM xSeries 450 Type 8688: Hardware Maintenance Manual and Troubleshooting Guide