11. TROUBLESHOOTINGWhen a malfunction of the air conditioner unit is detected, immediately switch off the main power supplybefore proceeding with the following troubleshooting procedures.The following are common fault conditions and simple troubleshooting tips. If any other fault conditions whichare not listed occur, contact your nearest local dealer. DO NOT attempt to troubleshoot the unit by yourself.110No Fault conditions Possible causes / corrective actions1 The air conditioner unit will not resume afterpower failure.• The auto restart function is not functioning. Pleaseturn on the unit with the wireless / wired controller.2 The compressor does not operate 3 minutesafter the air conditioner unit is started.• Protection against frequent starting.• Wait for 3 or 4 minutes for the compressor to startoperating by it self.3 The airflow is too slow or room cannot becooled sufficiently.• The air filter is dirty.• The doors and windows are opened.• The air suction and discharge of both indoor andoutdoor units are clogged or blocked.• The regulated temperature or temperature settingis not low enough.4 Discharge airflow has bad odor. • Cigarettes, smoke particles, perfume and others,which might have adhered onto the coil, maycause odor.• Contact your nearest dealer.5 Condensation on the front air grille of the indoorunit.• This is caused by air humidity after an extendedperiod of operation.• The set temperature is too low. Increase thetemperature setting and operate the unit at highfan speed.6 Water flowing out from the air conditioner. • Switch off the unit and contact your nearestdealer. This might be due to tilted installation.7 Hissing airflow sound from the air conditionerunit during operation.• Liquid refrigerant flowing into the evaporator coil.8 The wireless controller display is dim. • The batteries are discharged.• The batteries are not correctly inserted.• The assembly is not good.9 Compressor operates continuously. • Dirty air filter. Clean the air filter.• Temperature setting too low (cooling). Use highertemperature setting.• Temperature setting too high (heating), Use lowertemperature setting.10 No cool air comes out during cooling cycle, orno hot air comes out during heating cycle.• Temperature setting too high (cooling). Use lowertemperature setting.• Temperature setting too low (heating). Use highertemperature setting.11 On heating cycle, warm air does not come out. • Unit is in defrost mode. Heating operation willresume after defrost cycle ends.Downloaded from AC-Manual.com Manuals