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| Solving Problems |
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| LED Error Codes |
Table 16 | LED Error Codes |
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| LED Value | Description | ||||||||
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| N/A | Reserved |
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| 7500 | No memory found FAULT |
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| Likely cause: SIMMs or processor |
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| board |
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| N/A | Reserved |
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| FLT | Memory Error Fault |
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| Likely Cause: Memory SIMMs |
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| System console will indicate which |
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| SIMM pair fault occurred on |
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| FLT | Processor board FAULT (includes |
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| PDH which could be on I/O board.) |
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| FLT 5000 - 500F | I/O System FAULT |
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| FLT 8000 - 8FFF | *Except backplane faults listed below |
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| FLT CD00 - CDff* |
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| FLT 8500, 8501 | Backplane FAULT |
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| FLT | PCI FAULT |
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| Any INIT/TEST | INITIALIZATION and TESTING |
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| code | Note: These two LED codes will alter- |
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| nate to indicate forward progress: |
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| 0111, 1000, 0111... |
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| Any fault not in | Unknown FAULT |
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| this table including |
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| FLT |
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| FLT CBF0 - CBFF | HPMC FAULT |
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