# CG error types

CG boards record boot time and runtime errors in the logfile.xxx file. Each error message is formatted as described in the topic, CG error format.

Additional tables in this section contain CG error messages organized by the hexadecimal identifier. Refer to the specific error code table for the error name, hexadecimal identifier, description, and category of each error message.

## Error categories

The Category column in each error code table uses the numerals 1 through 5 to describe the cause of the error message. The following table defines the categories of returned errors:

Category | Description
--- | ---
1 | Application or programming error.
2 | Serious board problem. Contact NMS Communications.
3 | Serious internal error. Contact NMS Communications.
4 | Software configuration error. Check the current configuration, and modify as required.
5 | Hardware configuration error. Check cables and connectors.