IBM 86807RY Hardware Maintenance Manual - Page 25
Power Supply LEDs, The AC and DC Power LEDs
UPC - 087944491972
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Power Supply LEDs: The AC and DC Power LEDs on the power supplies provide status information about the power supplies. See "Hot-Swap Power Supplies" on page 114 for the location of the LEDs. The following table describes the AC and DC Power LEDs. AC Power LED On On Off DC Power LED On Off Off Description and Action The power supply is on and operating correctly. There is a DC power problem. Possible causes: 1. The Power Control button on the front of the server is in the Off position (the DC Power LEDs on all the power supplies are off). Action: Press the Power Control button to start the server. 2. The Power switch on the power supply is in the Off position. Action: Turn the Power switch to the On position. 3. The power supply has failed (the DC Power LED on at least one of the power supplies is on). Action: Replace the power supply. If the problem persists, go to "Undetermined Problems" on page 205. There is an AC power problem. Possible causes: 1. There is no AC power to the power supply. Action: 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 "Undetermined Problems" on page 205. Netfinity 7000-M10 - Type 8680 17