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Power Supply LED Errors.
Use the (following) power supply LED information in this section to trouble shoot power supply problems.
Note: The minimum configuration required for the DC Good light to come on is.
- Important - If you cannot power the system off with the front panel switch:
| AC Good LED | DC Good LED | Description | FRU/Action |
|---|---|---|---|
| Off | Off | No power to system or AC problem |
1. Check AC power to system 2. Power Supply 3. Power Backplane 4. Power AC Inlet Box |
| Off | On | AC Good LED defect | 1. Power Supply |
| On | Off | Standby mode or DC problem. |
1. Verify power supply switch is on. 2. The LED on the power control card should be flashing, if not, replace the power control card. 3. Check the power backplane to processor board cable connections. 4. Disconnect the power cord, then, disconnect or remove all adapters, cables and power connectors to all internal and external devices, memory cards, processors, processors terminator cards, and VRMs. 5. Install a jumper on J7 of the I/O board, see 'I/O Board Component Locations'. 6. Connect the power cord, then, power-on the server and check the DC Good light on the power supply. If the DC Good light on the power supply is on, remove the jumper you installed on J7, then, replace the components one at a time until you isolate the failing component. If the DC Good light on the power supply is still off, replace the following components in the order listed until the light comes on. a. Processor Board b. I/O Board c. Power Backplane |
| On | On | Power is OK | N/A |
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for any BUG on this page found - Thank you.