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| Appendix A: Troubleshooting | ||
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LED Name | Function | Location | Color | Correction |
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POST | Display | Left rear of | Each LED | See the POST code | |
code | boot 80 | board | can be | table | |
(LSB, bit1, | POST code |
| Off, |
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bit2, MSB) |
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| Green, |
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| Amber, |
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| Red |
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Fan Pack | Warn on | Front center | Amber | On = Fault | |
Fault | fan failure | board |
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CPU 1 & 2 | Identify fan | Front center | Amber | On = Fault | |
Fan Fault | failure | board |
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CPU 1 & 2 | Identify | 1” behind | Amber | On = Fault | |
Fan Fault | processor | processor |
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| failure | socket |
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5v | Identify 5v | Front left | Amber | On = 5v standby | |
Standby | standby | board |
| power on | |
| power on |
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| state |
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Power | Identify the | Control | Green | • Off = Power is | |
LED | power state | panel |
| off (off or S5) | |
| of the |
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| • On = Power on | |
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system | or S0) |
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| • Slow Blink = |
| Low power |
| state (S1 - S3) |
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