Haier HDU-24H03/H Instruction Manual

Haier HDU-24H03/H Instruction Manual Manual pdf 17 page image

16MALFUNCTIONThe followings are not malfunctionShuruShuruWhen the air conditioner is started, when the compressor starts orstops during operation or when the air conditioner is stopped, itsometimes sounds "shuru shuru" or "gobo gobo". It is the flowingsound of the refrigerant, and it is not a trouble.Water flowingsound is heard.This is caused by heat expansion or contraction of plastics.Cracking sound is heard.It smells. Air which blows out from the indoor unit sometimes smells.The smell results from residents of tobacco smoke or cosmeticsstuck inside of unit.When the air conditioner is used at restaurant etc. where denseedible oil fume is always exists, white fog sometimes blows outof air outlet during operation.In this case consult sales dealer for cleaning the heat exchanger.During operation,white fog comesout of indoor unit.Unit doesnot startWait forthreeminutesIt is switched into the FAN modeduring cooling.To prevent frost from being accumulated on the indoor unit heatexchanger, it is sometimes automatically switched to the FAN modebut it will soon return to the cooling mode.Even if the operation switch is turned on, cooling, dehumidifyingor heating is not operable for three minutes after the conditioner isstopped. Because the protecting circuit is activated.(During this time air conditioner operates in fanmode.)The air conditioner can not berestarted soon after it stops.Air does not blow or the fanspeed can not be changed duringdehumidifyingDuring operation, operation modehas changed over automatically.Water or steam generates fromthe outdoor unit during heating.When it is excessively cooled during dehumidifying, the blowerautomatically repeats reducing and lowering the fan speed.Isn't the AUTO mode selected?In the case of AUTO mode, operation mode is changed automati-cally from cooling to heating or vise-versa according to the roomtemperature.This results when frost accumulated on the outdoor unit is removed(during defrosting operation).