9
Cleaning Periods for Metal Filters
Filters should be cleaned when "C" signal appears on the Display or (due to usage) every 2 or 3
weeks. To delete "C" signal after the filters are cleaned and replaced, press and hold ( ) button more
than 3 secs (when device is off). Letter "E" will appear on the Display and it will switch to normal
operation. If operation before deleting the "C" signal is required, active motor speed will appear for 1
sec when you press ( ) button and then the motor will resume running.