An electronic building automation system, comprising I--one or more electronic building automation devices, comprising - a communication interface arranged to communicate with an external control computer over a digital network, - a beacon receiver arranged to receive localizing beacon signals transmitted from multiple beacons installed in the vicinity of the one or more building automation devices, a localizing beacon signal comprising a beacon identifier identifying the beacon from which the localizing beacon signal originated, - a beacon identifier memory for storing beacon identifiers received by the beacon receiver, and - a processor circuit configured to - monitor the building automation device, - determine a need for servicing of the building automation device, and if so, - generate a service request comprising the beacon identifiers stored in the beacon identifier memory, - transmit the service request to the external control computer over the digital network, and II- the electronic building automation system further comprising the control computer comprising - a communication interface arranged to communicate with the one or more electronic building automation devices over a digital network, and receive a service request comprising beacon identifiers from a building automation device, and - a processor circuit configured to - generate a servicing message comprising data localizing the building automation device, said data being obtained from the beacon identifiers in the received service request. I--one or more electronic building automation devices, comprising - a communication interface arranged to communicate with an external control computer over a digital network, - a beacon receiver arranged to receive localizing beacon signals transmitted from multiple beacons installed in the vicinity of the one or more building automation devices, a localizing beacon signal comprising a beacon identifier identifying the beacon from which the localizing beacon signal originated, - a beacon identifier memory for storing beacon identifiers received by the beacon receiver, and - a processor circuit configured to - monitor the building automation device, - determine a need for servicing of the building automation device, and if so, - generate a service request comprising the beacon identifiers stored in the beacon identifier memory, - transmit the service request to the external control computer over the digital network, and - a communication interface arranged to communicate with an external control computer over a digital network, - a beacon receiver arranged to receive localizing beacon signals transmitted from multiple beacons installed in the vicinity of the one or more building automation devices, a localizing beacon signal comprising a beacon identifier identifying the beacon from which the localizing beacon signal originated, - a beacon identifier memory for storing beacon identifiers received by the beacon receiver, and - a processor circuit configured to - monitor the building automation device, - determine a need for servicing of the building automation device, and if so, - generate a service request comprising the beacon identifiers stored in the beacon identifier memory, - transmit the service request to the external control computer over the digital network, and - monitor the building automation device, - determine a need for servicing of the building automation device, and if so, - generate a service request comprising the beacon identifiers stored in the beacon identifier memory, - transmit the service request to the external control computer over the digital network, and II- the electronic building automation system further comprising the control computer comprising - a communication interface arranged to communicate with the one or more electronic building automation devices over a digital network, and receive a service request comprising beacon identifiers from a building automation device, and - a processor circuit configured to - generate a servicing message comprising data localizing the building automation device, said data being obtained from the beacon identifiers in the received service request. - a communication interface arranged to communicate with the one or more electronic building automation devices over a digital network, and receive a service request comprising beacon identifiers from a building automation device, and - a processor circuit configured to - generate a servicing message comprising data localizing the building automation device, said data being obtained from the beacon identifiers in the received service request. - generate a servicing message comprising data localizing the building automation device, said data being obtained from the beacon identifiers in the received service request.