Apparatus and computer program products implement embodiments of the present invention that enable a portable computing device such as a smartphone or a tablet computer, to capture one or more codes for one or more corresponding components positioned in proximity to the portable computing device, and to convey the one or more codes to a management system. Upon receiving the one or more codes, the management system can be configured to convey, to the portable computing device, an identification and a status of each of the one or more components. The portable computing device can then present the status of the one or more components on a display.