Is it safe to clean my air conditioner with water?
Do not use water to clean the inside of the air conditioner, as water exposure can destroy the insulation and may cause electric shock. For the grille and case, use water and mild detergent only, and do not use bleach or harsh abrasives. Always turn off the power and unplug the unit before cleaning. (Pages 4, 11)
From the official LG LWG07-Series Window Air Conditioner manual, page 11
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