11 TROUBLESHOOTING
Special Register List (Continue)
(14)For redundant systems (Other system CPU information 
1) for Q4AR only
SD1600 to SD1659 is only valid during the back up mode for redundant systems, and refresh cannot be done when in the separate mode. When a standalone system SD1600 to SD1699 are all 0.
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Number | Name | Meaning |
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| (When set) | CPU | ||||||||
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| Diagnosis error | • Stores as BIN code the error code of the error that occurred | S (Each |
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SD1600 | Diagnosis error | during the other system CPU diagnosis. |
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code. |
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| • Stores the latest error currently occurring. |
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SD1601 | Diagnosis error |
| • SD1600 stores the updated date and time. |
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SD1602 | Diagnosis error | • Stores each of the BCD two digits. |
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| occurrence | occurrence time | • Refer to SD1 to SD3 for the storage status. |
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SD1603 | time |
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| (SD1 | SD1601, SD2 | SD1602, SD3 | SD1603) |
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| Error | Error | • Stores the error comment information/individual information | S (Each |
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SD1604 | information | information | classification code. |
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| classification | classification | • Refer to SD4 for the storage status. |
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SD1605 |
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SD1606 |
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SD1607 |
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| • Stores the common information for the error code. |
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SD1608 |
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| • Refer to SD5 to SD15 for the storage status. |
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SD1609 |
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Error common | Error common | (SD5 | SD1605, SD6 | SD1606, SD7 | SD1607, | S (Each |
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SD1610 |
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information | information | SD8 | SD1608, SD9 SD1609, SD10 | SD1610, | END) |
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SD1611 |
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| SD11 | SD1611, SD12 | SD1612, SD13 | SD1613, |
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SD1612 |
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| SD14 | SD1614, SD15 | SD1615) |
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SD1613 |
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SD1614 |
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SD1615 |
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SD1616 |
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SD1617 |
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SD1618 |
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| • Stores the individual information for the error code Refer to |
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SD1619 |
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| SD16 to SD26 for the storage status. |
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SD1620 |
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Error individual | Error individual | (SD16 | SD1616, SD17 | SD1617, SD18 | SD1618, | S (Each |
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SD1621 |
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information | information | SD19 | SD1619, SD20 | SD1620, SD21 | SD1621, | END) |
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SD1622 |
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| SD22 | SD1622, SD23 | SD1623, SD24 | SD1624, |
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SD1623 |
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| SD25 | SD1625, SD26 | SD1626) |
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SD1624 |
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SD1625 |
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SD1626 |
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SD1650 | Switch status | CPU switch | • Stores the CPU module switch status. |
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status | • Refer to SD200 for the storage status. (SD1650 | SD200) | END) |
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| • Stores the CPU module's LED status. |
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SD1651 | LED status | • Shows 0 when turned off, 1 when turned on, and 2 when | S (Each |
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| flicking. |
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| • Refer to SD201 for the storage status. (SD1651 | SD201) |
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SD1653 | CPU operation | CPU operation | • Stores the CPU module operation status. Refer to SD203 for | S (Each |
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status | status | the storage status. (SD1653 SD203) |
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1 Stores other system CPU
2 Shows the special register (SD
) for the host system CPU.
(15)For redundant systems (Trucking) for Q4AR only
SD1700 to SD1799 is valid only for redundant systems. These are all 0 for standalone systems.
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| Set by | Corresponding | Corresponding | ||
Number | Name | Meaning | Explanation | ACPU |
| |||
(When set) |
| CPU | ||||||
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SD1700 | Trucking error | Trucking error | • Make it the trucking error detection +1. | S (Error | New |
| Q4AR | |
detection count | detection count | occurrence) |
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2 Shows the special register (SD
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11 - 99 | 11 - 99 |