SiBE05-311 InstructionSystem Configuration 69Please check again before calling a repair person.Check again.Case CheckThe air conditioner does notoperate.(OPERATION lamp is off)• Hasn’t a breaker turned OFF or a fuse blown?• Isn’t it a power failure?• Are batteries set in the remote controller?• Is the timer setting correct?Cooling (Heating) effect is poor. • Are the air filters clean?• Is there anything to block the air inlet or the outletof the indoor and the outdoor units?• Is the temperature setting appropriate?• Are the windows and doors closed?• Are the air flow rate and the air direction setappropriately?Operation stops suddenly.(OPERATION lamp blinks.)• Are the air filters clean?• Is there anything to block the air inlet or the outletof the indoor and the outdoor units?Clean the air filters or take all obstacles away andturn the breaker OFF. Then turn it ON again andtry operating the air conditioner with the remotecontroller. If the lamp still blinks, call the serviceshop where you bought the air conditioner.An abnormal functioninghappens during operation.• The air conditioner may malfunction withlightening or radio waves. Turn the breaker OFF,turn it ON again and try operating the airconditioner with the remote controller.
