Sorry for responding late, didn't really have time during Christmas. Anyway, thank you for help but unfortunately another problem has emerged. The LED next to the Clean preset started blinking red and I don't know if I should be concerned about it. I've tried searching what It could be, I even read the owners manual multiple times and didn't find anything about it. I also quite don't understand why it runs on 9 volts but only fits 3x 1.5 volt batteries.
Thank you