Cannot connect to puck v1 when advertising

When puck is advertising it is not possible to connect it via bluetooth.

I use the npm espruino package on linux to connect to the puck and to upload code.

After uploading this file

const keys = {
  temperature: 0x1809,
  battery: 0x180f,
  someData: 0xfffe
};

function a() {
  digitalPulse(LED3, 1, 1000);

  const adData = {};
  adData[keys.battery] = [Puck.getBatteryPercentage()];
  adData[keys.temperature] = [Math.round(E.getTemperature())];
//  adData[keys.someData] = [1, 2, 3, 4, 5];
  NRF.setAdvertising(adData);
}

setWatch((e) => a(), BTN, { repeat: true, edge: 'rising', debounce: 40 });

it is possible to connect to the puck. Pressing the button to start advertisement does not change that.

When slightly modifying the code to

const keys = {
  temperature: 0x1809,
  battery: 0x180f,
  someData: 0xfffe
};

function a() {
  digitalPulse(LED3, 1, 1000);

  const adData = {};
  adData[keys.battery] = [Puck.getBatteryPercentage()];
  adData[keys.temperature] = [Math.round(E.getTemperature())];
  adData[keys.someData] = [1, 2, 3, 4, 5];
  NRF.setAdvertising(adData);
}

setWatch((e) => a(), BTN, { repeat: true, edge: 'rising', debounce: 40 });

to advertise on an additional service id will change that. Once the advertisement is started by pressing the button I am not able to connect to the puck until it is reset.
The behavior is not specific to this service ID.