20Cleaning and maintaining the air conditionerFor the best performance of your air conditioner, clean it periodically. WhenWhen cleaning, make sure to disconnect power for user’s safety.Cleaning the exteriorWipe the surface of the unit with a slightly wet or dry cloth when needed.Wipe off dirt of odd-shaped area by using a soft brush.• Do not use Benzene or Thinner. Theymay damage the surface of the airconditioner and can create a risk of fire.CAUTIONCleaning air fi lter and grilleWhen cleaning air fi lter and grille, make sure to unplug the unit. No specialtools are needed to clean it.1. Open the front grille.• Open the blades on the left and right side of the Samsunglogo. Press both of the levers and pull the grille downward.Two safety clips are mounted to the front grille to preventit from dropping.2. Detach the front grille.• Remove the safety clip fi rst and then remove the hinge.Pull the green switch on the hinge part down and thenpress and pull the hinge part to remove the grille. There aretwo hinges on the grille and you must apply this step onboth of them to remove the grille.• If you want to clean the fi lter only, you do not have to detach the grille. Follow step 4 and 5NOTE