Illustration of filter change1. The unit must be turned off at the control panel beforeopening the door2. The suitcase fittings are loosened and the upper door isremoved3. Remove the two filters from the unit 4. It is a good idea to vacuum the filter chamber toremove any dirt which has collected there5. Remove the filter pad from the filter frame 6. Place the new filter pad with its smooth side down inthe filter frame7. Carefully fix the filter pad in place in the filter frame,pushing it well out into the sides. Replace the filter in theunit with the filter pad facing upwards8. Reset the alarm:1. Turn the fan speed knob as follows: → 0 → 4 → 02. Turn the knob to the desired fan speed8