8WARNINGz For safety, be sure to turn the air conditioner off and dis-connect the power before cleaning.(Otherwise, electric shock or injury may result becausethe fan is rotating at high speed.)z Do not pour water on the indoor unit.(This may damage the internal components and causean electric shock hazard.)CAUTIONz Never use solvents or harsh chemicals. Also, do not wipeplastic parts using very hot water.(This may cause deformation or change in colour.)z Some metal edges and fins are sharp. Be careful whenyou clean those parts.(Injury may result.)z Use a firm stool or ladder when cleaning an indoor unitinstalled in high locations.z The internal coil and other components of the outdoor unitmust be cleaned periodically.• Consult your dealer or service center.MaintenanceIndoor unit (e.g. U1 type)Wash the fl ap for the air outlet with water.(U1 type only)• Be sure to stop the operation beforehand.• After washing with water, allow it to dry, and then attach itwith the arrow facing outward.Symptom Cause ActionThe airconditioner doesnot operatealthough thepower is turnedon.Power failure or after power failure Press the power ON/OFF button on the remote controller.The operation (power) button is turned off.• If the breaker is turned off, turn the power on.• If the breaker has been tripped, consult your dealerwithout turning it on.Fuse blow out. Contact your dealer.Poor coolingor heatingperformanceThe air intake or air outlet of indoor andoutdoor units is clogged with dust. Remove the dust.The wind speed switch is set to “Low”. Change to “High” or “Strong”.Improper temperature settingsSee “Tips for Energy Saving”. (P.7)The room is exposed to direct sunlight incooling mode.Doors or windows are open.The air filter is clogged. See “Maintenance”. (P.8)Too many heat sources in the room incooling mode. Use minimum heat sources and in a short time.Too many people in the room in coolingmode.Lower the temperature setting or change to “High” or“Strong”.If your air conditioner does not work properly even after checking each item of“Before Requesting Services” and “Troubleshooting”z Stop the operation immediately and turn the power off. Then contact your dealer and report the serial number and symptom.You also report if the inspection mark # and the letters E, F, H, L, P in combination with numbers appear on the LCD of the re-mote controller.z Never repair the air conditioner by yourself since it is very dangerous for you to do so.Before Requesting ServicesAir outletAir intakeWipe with a soft cloth.(If it is very dirty, usea cloth moistened withwater.)