These errors may occur when you use the Modbus protocol for the selected COM interface (error codes in hex numbers).
- 16#01
- Cause: Unsupported function code.
- Remedy: Please contact the technical support.
- 16#02
- Cause: Address error or register with write-protection.
- Remedy: Change the address and make sure the register has write permission.
- 16#03
- Cause: Data format or data range error.
- Remedy: Please contact the technical support.
- 16#06
- Cause: Server busy (max. number of server connections reached).
- Remedy: Retry to send the request or increase the number of clients on the server.
- 16#0B
- Cause: Gateway error: no response from specified station number.
- Remedy: Make sure there are no duplicate station numbers.
- 16#F8
- Cause: Reading not possible because the specified memory is blocked by the settings.
- Remedy: Make sure the memory area to read is set in the application settings.