摘要 |
The invention relates to a method that comprises: obtaining information relating to an energy harvesting device (11) from a secondary information source by a server (15) comprising a mapping database, comparing a mapping database, comparing the obtained information to the information in the mapping database by the server (15), and determining a default state of the energy harvesting device (11). The invention further relates to an apparatus, a system and a computer program product comprising instructions to perform the method. |