Owner's Manual
Page 3
... of the door. The air cleaner is working as the air cleaner operates. Normally, this switch should .To hear the snapping sound, momentarily press the test button near the botton of electricity needed to operate normally, but without the added benefit of air cleaning....You may hear a snapping (electrical arcing) sound occasionally as it should be turn off . This is usually caused by a larger dust particle that causes a high voltage discharge.The snapping sound means that your electric bill each month. F50F AND F300E ELECTRONIC AIR CLEANERS OPERATING YOUR ELECTRONIC AIR...
... of the door. The air cleaner is working as the air cleaner operates. Normally, this switch should .To hear the snapping sound, momentarily press the test button near the botton of electricity needed to operate normally, but without the added benefit of air cleaning....You may hear a snapping (electrical arcing) sound occasionally as it should be turn off . This is usually caused by a larger dust particle that causes a high voltage discharge.The snapping sound means that your electric bill each month. F50F AND F300E ELECTRONIC AIR CLEANERS OPERATING YOUR ELECTRONIC AIR...