Netfinity 5500 M20 - Power supplies and power supply LEDs

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Product Information

Document ID: MCGN-45WTQE

Netfinity 5500 M20 - Power supplies and power supply LEDs

Applicable to: World-Wide

Source: Hardware Maintenance Manual

Power Supplies
The following illustration shows the power supplies and power lights on the server.

Note
See "Safety information" for information about power cords for use with your server in your country or region.

1 Power Supply 1: The server comes with one hot-swap power supply installed. You can install a second hot-swap power supply to provide redundant power. You cannot hot swap a power supply if the server has only one power supply installed. (See "Hot-swap power supply installation" for instructions.)

2 AC Power Light: This light provides status information about the power supply. During normal operation, both the AC and DC Power lights are on. For any other combination of lights, see "Power supply LEDs" for more information.

3 DC Power Light: This light provides status information about the power supply. During normal operation, both the AC and DC Power lights are on. For any other combination of lights, see "Power supply LEDs" for more information.

4 Power Supply 1 Power Connector: The power cord for power supply 1 connects here.

5 Filler Panel: You can remove this filler panel and install a second hot-swap power supply in power supply bay 2. The second power supply provides redundant power.

Power Supply LEDs
The AC and DC Power LEDs on the power supply provide status information about the power supply. See "Power Supplies" for the location of these LEDs.

The following table describes the AC and DC Power LEDs.

AC Power LED

DC Power LED

Description and Action

On

On

The power supply is on and operating correctly.

On

Off

There is a DC power problem.
Possible causes:

1. The Power Control button on the front of the server is in the Off position.
Action: Press the Power Control button to start the server.
2. The power supply has failed.
Action: Replace the power supply. If the problem persists, go to "General checkout".

Off

Off

There is an AC power problem.
Possible causes:
1. There is no AC power to the power supply.
Actions: Verify that:

The power cord is properly connected to the server.
The power outlet functions properly.

2. The power supply has failed.
Action: Replace the power supply. If the problem persists, go to "General checkout".

Search Keywords

Document Category

Diagrams

Date Created

12-03-99

Last Updated

21-05-99

Revision Date

16-03-2000

Brand

IBM PC Server

Product Family

Netfinity 5500 M20

Machine Type

8662

Model

ALL

TypeModel

Retain Tip (if applicable)

Reverse Doclinks
and Admin Purposes

AC Power LED	DC Power LED	Description and Action
On	On	The power supply is on and operating correctly.
On	Off	There is a DC power problem. Possible causes: 1. The Power Control button on the front of the server is in the Off position. Action: Press the Power Control button to start the server. 2. The power supply has failed. Action: Replace the power supply. If the problem persists, go to "General checkout".
Off	Off	There is an AC power problem. Possible causes: 1. There is no AC power to the power supply. Actions: Verify that: The power cord is properly connected to the server. The power outlet functions properly. 2. The power supply has failed. Action: Replace the power supply. If the problem persists, go to "General checkout".

	Search Keywords
	Document Category	Diagrams
	Date Created	12-03-99
	Last Updated	21-05-99
	Revision Date	16-03-2000
	Brand	IBM PC Server
	Product Family	Netfinity 5500 M20
	Machine Type	8662
	Model	ALL
	TypeModel
	Retain Tip (if applicable)
	Reverse Doclinks and Admin Purposes