3.0 Communication errros
User’s Manual GW-DLMS-485-ELSA15
Page 11
3.0 COMMUNICATION ERRORS
3.1 Type of error
Errors in modbus address 4x40014 are formed by 2 digits:
A
B
.
•
A
: this indicates which energy meter is reported
•
B
: this indicates the type of error
5
: serial port is not correctly opened
6
: communication timeout error
1
: energy meter doesn’t answer to gateway -> please check cable connection and if
energy meter’s serial number is correct and written in the right modbus address
2
: error in extracting ID code from meter’s message -> please check cable connection
7
: message from energy meter is too big for gateway’s buffer; this error does not
compromise gateway’s normal functionality, but last part of obis list will be lost
8
: message from energy meter is empty -> please check cable connection
There are also :
•
888 : global timeout error (this happens if there aren’t meter’s serial number in modbus area)
•
999 : hardware/software authenticity error
