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    3. Q4: What kind of error message code prompts do LCD screen of smart energy meter have?
      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

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