A server for managing a home network is provided. The server according to an embodiment includes a storage configured to store an operation state of at least one electronic apparatus in the home network and reference sensing data for each of a plurality of sensors, a communicator configured to receive sensing data from the plurality of sensors, and a processor configured to determine the operation state of the at least one electronic apparatus, and compare the stored reference sensing data corresponding to the determined operation state with the received sensing data to determine whether an error occurs in the plurality of sensors and the at least one electronic apparatus.