| Error Code | Name | Description | Immediate Action | | :--- | :--- | :--- | :--- | | 0x6100 | Following Error | Actual position lags target by > 5° (stepper loss) | Increase motor current; reduce speed/acceleration; check mechanical binding. | | 0x6200 | Limit Switch Active | Hardware limit (X1.4 or X1.5) triggered while moving | Jog in opposite direction; inspect switch wiring (NC or NO config). | | 0x6300 | Target Out of Range | Commanded position beyond software limits (0x607Dh) | Revise PLC motion command; recalibrate home offset. | | 0x6400 | Reference Run Failed | No index pulse found within 2 revolutions | Check encoder cable (if external); switch to virtual zeroing mode. |
| Error Code | Name | Description | Immediate Action | | :--- | :--- | :--- | :--- | | 0xE100 | Watchdog Reset | CPU internal task overrun | Cycle 24 V power; if recurring, update firmware to v3.2+. | | 0xE200 | Invalid CRC | Configuration memory corrupted | Restore from backup FPR file; replace EEPROM (service level). | cmmo-st-c5-1-diop error codes
Most technicians cycle power immediately. Do not do this—you will lose the diagnostic buffer. Follow this approved recovery sequence: | Error Code | Name | Description |
If the error returns within 10 seconds, it is a persistent fault, not a transient glitch. Most technicians cycle power immediately