Occasionally you may need to carefully clean the fragile corona needles or otherwise a buzzing sound might occur. Use a small brush (e. g. a toothbrush) and carefully brush away the thin layer of white lime scale and dirt which may have attached to the needles. Do not use pressure or water when you clean the needles.
1.) Remove the collector from the ion generator and clean it with washing-up liquid, water and a soft sponge.
2.) Dry the collector with a dishtowel.
3.) Put the collector back on the ion generator according to instructions in the manual.
If you have followed all the above instructions but the collector is still not clean, try the following:
1.) Spray universal cleaning detergent all around the collector and let it work for 5 minutes.
2.) Use a damp sponge and rub any remaining spots until they disappear.
3.) Dry the collector with a towel and place it back on the ion generator according to instructions.
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