> For the complete documentation index, see [llms.txt](https://docs.uamp.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.uamp.io/system-codes.md).

# System codes

- [Information codes](https://docs.uamp.io/system-codes/information-codes.md): Information and communications codes
- [Warning codes](https://docs.uamp.io/system-codes/warning-codes.md): Wraning codes
- [Error codes](https://docs.uamp.io/system-codes/error-codes.md): Error codes
- [0xE000\_0000 - No error](https://docs.uamp.io/system-codes/error-codes/0xe000_0000-no-error.md): The thing with this output error has no error.
- [0xE1XX\_XXXX - Field bus related errors](https://docs.uamp.io/system-codes/error-codes/0xe1xx_xxxx-field-bus-related-errors.md)
- [0xE10X\_XXXX - CANbus](https://docs.uamp.io/system-codes/error-codes/0xe1xx_xxxx-field-bus-related-errors/0xe10x_xxxx-canbus.md): CANbus related errors
- [0xE11X\_XXXX - ProfiNET](https://docs.uamp.io/system-codes/error-codes/0xe1xx_xxxx-field-bus-related-errors/0xe11x_xxxx-profinet.md): ProfiNET bus related errors
- [0xE2XX\_XXXX - Communication error (OPC-UA, DDS, ...)](https://docs.uamp.io/system-codes/error-codes/0xe2xx_xxxx-communication-error-opc-ua-dds-....md)
- [0xE3XX\_XXXX - Hardware related error](https://docs.uamp.io/system-codes/error-codes/0xe3xx_xxxx-hardware-related-error.md)
- [0xE4XX\_XXXX - Actuator related error](https://docs.uamp.io/system-codes/error-codes/0xe4xx_xxxx-actuator-related-error.md)
- [0xE40X\_XXXX - Servomotor axis](https://docs.uamp.io/system-codes/error-codes/0xe4xx_xxxx-actuator-related-error/0xe41x_xxxx-servomotor-axis.md): Servomotor related error
- [0xE41X\_XXXX - Pneumatic piston / axis](https://docs.uamp.io/system-codes/error-codes/0xe4xx_xxxx-actuator-related-error/0xe42x_xxxx-pneumatic-piston-axis.md): Pneumatic piston related errors
- [0xE5XX\_XXXX - Sensor related error](https://docs.uamp.io/system-codes/error-codes/0xe5xx_xxxx-sensor-related-error.md)
- [0xE6XX\_XXXX - PackML state machine error](https://docs.uamp.io/system-codes/error-codes/0xe6xx_xxxx-application-reserved.md)
- [0xE60X\_XXXX - Runoutimer errors](https://docs.uamp.io/system-codes/error-codes/0xe6xx_xxxx-application-reserved/0xe60x_xxxx-runoutimer-errors.md)
- [0xE7XX\_XXXX - Safety related error](https://docs.uamp.io/system-codes/error-codes/0xe7xx_xxxx-safety-related-error.md)
- [0xE70X\_XXXX - General safety error](https://docs.uamp.io/system-codes/error-codes/0xe7xx_xxxx-safety-related-error/0xe70x_xxxx-general-safety-error.md)
- [0xE9XX\_XXXX - Application reserved](https://docs.uamp.io/system-codes/error-codes/0xe7xx_xxxx-application-reserved.md)