Guide to
troubleshooting.
Try our self-diagnostic tool, which can help you
find a solution for device issues in a few easy steps.
![](https://d35qeh3rfcx0mn.cloudfront.net/images/revamp/troubleshooting/guy_drinking_coffee.png)
![close-up shot on iqos duo kit in box](https://dnnfp2w4ej81g.cloudfront.net/WD/Troubleshooting/003_01308_EUR_HOUSE_LIFESTYLE_DUO_0000_PIHNC_1.png?d=0)
No air flow?
Your IQOS DUO Holder might need a clean.
Wait for your device to cool down. Slide your cap upwards to remove it.
Insert the IQOS cleaning tool and rotate gently. Do this regularly to reduce any tobacco build-up.
Switch to your IQOS cleaning sticks to get into all creases of the heating chamber and Holder to avoid breaking or damaging the heating blade.