Your IQOS device is designed to provide a user experience that each have up to 6 mins and/or 14 puffs whichever comes first. You can follow these steps for a better user experience with IQOS:
Let the device heat up for 20 second in order to allow for aerosol creation.
Ensure that there are Intervals (time) between puffs.
Leave time between puffs allows the Holder to properly heat the tobacco and generate aerosol.
check whether the consumable was not accidentally used twice
A good cleaning of the device always help to get the best user experience: check our how to videos on the get support page to learn more.