![](http://www.airpointer.tech/wp-content/uploads/2019/02/brush.jpg)
Procedure BU4b - Cleaning the air conditionner (HC airpointer)
Tools you need: Screwdriver Torx size T25, and a soft brush
Tip:
- Dirty grilles are the most common problem in the airpointer, make it your routine to check the grilles each time you visit your site.