07.05 2016
A4: When malfunction appears in energy meter, it will display error message codes:
(1) Err-01 Control loop error
(2) Err-02 ESAM error
(3) Err-04 Low battery voltage of clock
(4) Err-08 Clock failure
(5) Err-10 Authentication error
(6) Err-16 Change key error
