Troubleshooting
Table 4-1. LED Power up Sequences
LED Sequence | Description |
|
|
No LED blinks | Error with hardware or AC |
| adapter. |
|
|
First blink: | LED is not functioning properly |
| as units should blink Yellow. |
Red or Green |
|
|
|
Yellow | EPROM Checksum test failed. |
| Faulty EPROM or Board |
| problem. |
|
|
Yellow & 1 Red | SRAM, Data test failed |
|
|
Yellow & 2 Red | SRAM Address test failed |
|
|
Yellow & 7 Reds & 1 Green | Passed all hardware tests |
|
|
