code: function startScan(stateChange, error) {
              if (!node.scanning) {
                  // send status message
                  var msg = {
                      statusUpdate: true,
                      error: error,
                      stateChange: stateChange,
                      state: noble.state
                  };
                  node.send(msg);
                  // start the scan
                  noble.startScanning(node.uuids, node.duplicates, function() {
                      node.log("Scanning for BLEs started. UUIDs: " + node.uuids + " - Duplicates allowed: " + node.duplicates);
                      node.status({fill:"green",shape:"dot",text:"started"});
                      node.scanning = true;
                  });
              }
          }
docs: Take care of starting the scan and sending the status message