Air Conditioners' Self-Cleaning Function: What Are Those Crackling Sounds?

A recent video circulating online has drawn attention to an unusual feature found in some modern air conditioning units: a self-cleaning function that produces distinct crackling and popping sounds. The video, uploaded by user 'oldfounhudis', showcases a Bergen air conditioner unit displaying 'CL' on its panel, indicating the activation of this internal cleaning cycle. The author noted the peculiar noises, stating in an on-screen caption, "People, the air conditioner can self-clean. It crackles strangely, but here it is working, hopefully it will clean." The sounds heard in the video are consistent with internal mechanisms adjusting or cleaning components. Comments on the video reflect a mixed understanding of this feature. Some users shared similar experiences with their own units, mentioning brands like Gree and Bergen, while others debated the true purpose of the 'CL' function, with one user suggesting it might be for drying the compressor to prevent odors rather than a comprehensive cleaning. Another comment warned about potential health risks if not properly maintained, highlighting the importance of understanding appliance features.

City Magazine

one month ago

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