Table 15. EasyLED panel LEDs (continued)
LED | Description | Action | |
OVER SPEC | The power supplies are | If the OVER SPEC LED on the EasyLED panel | |
| using more power than | is lit, or any of the six 12V rail error LEDs (A, B, | |
| their maximum rating. | C, D, E, or AUX) on the system board are lit, | |
|
| follow the instructions below. | |
|
| If the 12V channel A error LED is lit, complete | |
|
| the following steps: | |
|
| 1. | Turn the server off and disconnect the |
|
|
| power from the server. |
|
| 2. | Remove the optical drive, fans, hard disk |
|
|
| drives, and hard disk drive backplane. |
|
| 3. | Restart the server to see if the problem |
|
|
| remains. |
|
| 4. | Reinstall each device that was removed in |
|
|
| step b one at a time, starting the server |
|
|
| each time, to isolate the failing device. |
|
| 5. | Replace any failing device. |
|
| 6. | (Trained service technician only) Replace |
|
|
| the system board, if the problem remains. |
If the 12V channel B error LED is lit, complete the following steps:
1.Turn the server off and disconnect the power from the server.
2.Remove the PCI riser card in connector 1, all DIMMs, and the microprocessor in socket 2.
3.Restart the server to see if the problem remains.
4.Reinstall each device that was removed in step b one at a time, starting the server each time, to isolate the failing device.
5.Replace any failing device.
6.(Trained service technician only) Replace the system board, if the problem remains.
(Continued on the next page)
144ThinkServer RD220 Types 3729, 3779, 3797, and 3798: Installation and User Guide
