Meter offline problems summary:
1. man-made mal-operation
2.Individual unqualified installation
3.Client's personal operation
4.Individual Power stealing beheavior
1. Get the log of AR531, check the command of the log in south interface log management of IOTDM.
2. Check that whether we have meter turns off command in the log record.
3. If not ,we can exclude the system operation reason.
4. Go to the transformer site ,check with the end user to confirm whether they have some operation to the meter.
5. If not ,we can also check the installation appearance to confirm that the sub-con fixed the meter in a proper way.
6. If no clue according to the methods descriped above happened, the reason may be the customers stealling beheavior, we need do the checking with the accompanys of distribution company of the grid.