Electronic system for the remote maintenance of a crane

It is described an electronic system for the remote maintenance of a crane. The system comprises a computer configured to transmit over a telecommunications network a first request message carrying a remote command for the maintenance of the crane, said first request message being compliant to a medium/long distance radio-mobile protocol, comprises a mobile device configured to receive from the network the first request message and extract therefrom the remote maintenance command, configured to generate a second request message carrying the remote maintenance command, said second request message being compliant to a short distance wireless protocol, and comprises an electronic control unit configured to receive the second request message and extract therefrom the remote maintenance command, execute the remote maintenance command and send towards the computer a first answer message carrying information correlated to the remote maintenance command, said first answer message being compliant to the short distance wireless protocol.