IBM 866631Y Hardware Maintenance Manual - Page 26

Diagnostic panel LEDs, AC power, power, Description and action, Action

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the location of these LEDs. Handle DC power light AC power light Filler panel The following table describes the AC and DC power LEDs. For more information see "Power checkout" on page 19. AC power DC LED power LED On On On Off Description and action The power supply is on and operating correctly. There is a dc power problem. Possible causes: 1. The server is not turned on (the power LED is blinking on the front of the server). Action: Press the power-control button to start the server. 2. The power supply has failed. Action: Replace the power supply. Off Off There is an ac power problem. Possible causes: 1. There is no ac power to the power supply. Actions: Verify that: v The electrical cord is properly connected to the server. v The electrical outlet functions properly. 2. The power supply has failed. Action: Replace the power supply. Diagnostic panel LEDs The following illustration shows the LEDs on the diagnostics panel inside the server. See Table 1 on page 17 for information on identifying problems using these 16 Hardware Maintenance Manual: Netfinity 7100 - Type 8666

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the location of these LEDs.
AC power light
DC power light
Handle
Filler panel
The following table describes the AC and DC power LEDs. For more information
see “Power checkout” on page 19.
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 server is not turned on (the power LED is blinking on the
front of the server).
Action:
Press the power-control button to start the server.
2.
The power supply has failed.
Action:
Replace the power supply.
Off
Off
There is an ac power problem.
Possible causes:
1.
There is no ac power to the power supply.
Actions:
Verify that:
v
The electrical cord is properly connected to the server.
v
The electrical outlet functions properly.
2.
The power supply has failed.
Action:
Replace the power supply.
Diagnostic panel LEDs
The following illustration shows the LEDs on the diagnostics panel inside the
server. See Table 1 on page 17 for information on identifying problems using these
16
Hardware Maintenance Manual: Netfinity 7100 – Type 8666