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| M4557 - Model 9210 Nitriding Controller | |
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| System errors: |
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| Code | Error | Description |
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| NVRAM CRC error | Three areas exist (1,3 & 5) each with a backup (2,4 & 6). Area 1 |
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| contains user parameters i.e. calibration data and the backup is write |
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| protected so if this area is restored user calibration etc is LOST. |
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| Error 71 will be reported in response to any read request until either |
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| a calibration is performed or the instrument is rebooted. Areas 3 & 5 |
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| are read only so they can be silently restored. Errors 73 & 75 |
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| therefore should never be reported, although they exist internally |
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| until they clear themselves. Errors 72,74 & 76 will be reported in |
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| response to any read request and cannot be cleared. |
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| 77- 78 | TCD curve error | In reading curve data from EEPROM the instrument has attempted |
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| to read beyond the ends of the curve. |
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| 79 | Wrong block no. | The serial numbers of the Nitriding Sample Cell stored in areas 1 & 5 |
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| (in separate devices) do not match |
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| 80 | UART missing/error. | For debugging only. Since the only interface available is RS232, this |
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| error can never be reported! |
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| 81 | Reserved | For external EEPROM not found. |
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SSi Manual SERIES | Page 62 of 62 |
