Central air conditioner smells bad when turned on

1, a long time is not with the central air conditioning, summer use, inside the sink is still part of the stock water, these stocks of water due to mold over time, the taste of the air blown out, this problem, we can set the air conditioning mode of operation for the circulation of the wind mode, open the window, let the air conditioning run for about 30min, you can eliminate the smell.

2, when not in use for a long time, you can let the air conditioner on the circulating wind running for about 2 hours, so that the water inside the sink is blown dry, to avoid the occurrence of mold.

3, before use, the air conditioning filter to wash down, remove the dust and bacteria on it.