| Error code | Description |
|---|---|
| 16#81A0 | The module does not support this protocol. |
| 16#81A1 | The module does not support this data transmission rate. |
| 16#81A2 | The module does not support this parity setting. |
| 16#81A3 | The module does not support this number of data bits. |
| 16#81A4 | The module does not support this number of stop bits. |
| 16#81A5 | The module does not support this type of data flow control. |
| 16#81A7 | Invalid value for XON or XOFF |
| 16#81AA | Invalid operating mode |
| 16#81AB | Invalid receive line initial state |
| 16#81AC | Invalid value for "Break detection" |