14TROUBLESHOOTING TIPSTroubleshooting TipsStop the air conditioner immediately if one of the following faults occur. Disconnect thepower and contact the nearest customer service center.Fuse blows frequently or circuit breaker trips frequently.Other objects or water penetrate the air conditioner.The remote controller won't work or works abnormally.Other abnormal situations.TroubleMalfunctionsUnit does notstartUnit not coolingor heating(Cooling/ heatingmodels only)room very wellwhile air flowingout from the airconditionerCausePower cutUnit may have become unplugged.Fuse may have blown.Battery in Remote controller mayhave been exhausted.The time you have set with timeris incorrect.Wait for power to be restored.Check that plug is securely in wallreceptacle.Replace the fuse.Replace the battery.Wait or cancel timer setting.Set temperature correctly. Fordetailed method please refer to" "Using remote control section.Clean the air filter.Close the doors or windows.Clear obstructions away first, thenrestart the unit.Wait.Inappropriate temperaturesetting.Air filter is blocked.Doors or Windows are open.Air inlet or outlet of indoor oroutdoor unit has been blocked.Compressor 4 minutesprotection has been activated.If the trouble has not been corrected, please contact a local dealer or the nearest customerservice center. Be sure to inform them of the detailed malfunctions and unit model.Notes: Do not attempt to repair the unit yourself.Always consult an authorised service provider.What should be done?If the following code appears on the LED window, disconnect the power and contactthe service people: E0,E1,E2,E3,E4,E5,E6,E7,E8 or P0,P1,P2,P3,P4.