How do I clean and maintain the air conditioner?
Unplug the unit before cleaning to prevent shock or fire hazards. Clean the air filter every month, and dust the cabinet with an oil-free cloth or wash it with a damp cloth. Regular cleaning is essential to keep your air conditioner looking new and functioning optimally.
From the official Frigidaire FFRE053WAE Window-Mounted Room Air Conditioner manual, page 2
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