English 10Remove the air filter.2.Refer to HOW TO CLEAN THE AIR FILTER.Detach the suction grille.3.Open the suction grille 45 degrees and lift itupward.4. Clean the suction grille.Wash with a soft bristle brush andneutral detergent or water, and drythroughly.NOTEWhen badly soiled, spray with a typical kitchen•cleanser and let sit for about 10 minutes. Then,wash with water.Reattach the suction grille.5.Refer to item No. 3.Fix the air filter.6.Refer to HOW TO CLEAN THE AIR FILTER.Close the suction grille.7.Refer to item No. 1.START UP AFTER A LONG STOPConfirm the followingCheck that the air inlet and outlet are not•blocked.Remove any obstacle.Check if the earth is connected.•Might there be a broken wire somewhere?Contact your dealer if there are any problems.Clean the air filter and outside panelsAfter cleaning the air fi lter, make sure to attach it.•Turn on the main power supply switchThe display on the remote controller will be•shown when the power is turned on.To protect the unit, turn on the main power•switch at least 6 hours before operation.WHAT TO DO WHEN STOPPING THESYSTEM FOR A LONG PERIODTurn on FAN OPERATION for a half day and drythe unit.Refer to “FAN OPERATION”.•Cut off the power supply.When the main power switch is turned on, some•watts of electricity is being used even if the sys-tem is not operating.Turn off the main power supply switch for savingenergy.The display on the remote controller will vanish•when the main power switch is turned off.Clean the air filter and the exterior.Be sure to replace the air fi lter to its original•place after cleaning. Refer to “MAINTENANCE”.NOT MALFUNCTION OF THE AIR9.CONDITIONERThe following symptoms do not indicate air condi-tioner malfunction.THE SYSTEM DOES NOT OPERATEI.The system does not restart immediately•after the ON/OFF button is pressed.If the OPERATION lamp lights, the system is innormal condition.It does not restart immediately because asafety device operates to prevent overload ofthe system. After 3 minutes, the system willturn on again automatically.The system does not restart immediately•when TEMPERATURE SETTING button isreturned to the former position after push-ing the button.If the OPERATION lamp lights, the system is innormal condition.It does not restart immediately because asafety device operates to prevent overload ofthe system. After 3 minutes, the system willturn on again automatically.The system does not start when the display•shows “ ” (UNDER CENTRALIZEDCONTROL) and it flashes for a few secondsafter pressing an operation button.This is because the system is under central-ized control. Flashes on the display indicatesthat the system cannot be controlled by theremote controller.