Haier AD88NAHAAA Operation And Instruction Manual

15please check the following things about your air conditioner before making a servie call.Unit fails to startMALFUNCTIONONOFFIs the power sourceswitch adjust cut in?Is city supply power innormal?Powerstoppage?Isn't the signal receivingsection exposed to thedirect sunlight or strongillumination?Isn't the earth leakagebreaker in action?It is dangerous. Turn offthe power supply switchimmediately and contactthe sales dealer.Power supply switch isnot ON.Cooling or heating is not sufficientIs the thermostat adjustas required?Isn't the air filter dirty? Isn't any doors or windowsleft open?Doesn't any obstacleexist at the air inlet oroutlet?Cooling is not sufficientIsn't sun-shine invadingdirect?Isn't any unexpectedheating load generated?Isn't the room muchcrowded?Isn't the swing louverhorizontal?(At HEATING mode)If swing louver is horizontal,the blow wind does not reachfloor.The wind does not blowduring heating operationIsn't it warming up?page 9When the air conditioner does not operate properly after you have checked the above mentioneditems or when the following phenomenon is observed, stop the operation of the air conditionerand contact your sales dealer.The fuse or breaker often shuts down.Water drops off during cooling operation.There is a irregularity in operation or abnormal sound is audible.When the CHECK lamp (red) flickers, an irregularity has occurred in the air conditioner.Note:This unit has a function of automatic restart system after recovering power stoppage. Please contact the salesdealer if it is not required.Flickering E0The troubleo f t h ed r a i n a g esystemContentof defectE1The troubleof the roomtemp. sensorE2The troubleof the pipetemp. sensorE3The troubleof the outdoortemp. sensorE4The trouble ofthe outdoorpipe temp.sensorE5The trouble ofthe overloadcurrentE6The trouble ofthe low pressurepressure of pipeE8The trouble of themain control boardcommunicationE9The trouble of themain control boardoutdoor boardcommunication