HRV filter light reset

-Turn controller off

-Push and hold down arrow until you hear 2 x Beeps

-Push top arrow until (23) is displayed in top of screen

-Push on off button and you should see ( - - ) in bottom box

-Push Function button

-Light should be off & reset

https://www.supercell.co.nz/collections/supervent/products/supervent-ventilation-system