Article 4.1.1C : Communication Errors displayed in EN series meters while communicating to Modscan and server
1. Addr.ER- This error is displayed in meter when starting address is other than 101.
Addr. Er Wrong address Wrong length This could also indicate that the registers requested are not within the valid register range of the meter. The value reference in the data field is not allowed for the reference register in the meter.
2. Func.ER- This error results when we read registers and function code is other than "03".
Func. Er Function error An invalid command is contained in the function field of the request packet. The meter only support Modbus functions 3 and 16.
3. Crc.ER- It is displayed in meter, If communication connections not terminated properly.
4. Trans Received
Communication successful and not an error.