Haier HPU-18HD03 [20/30] Trouble shooting

Содержание

Trouble shooting Followings are not problems Sound of water flowing are _ not problems Sound of cracking is heard Smell are generated During unit start and operation or at stop a swishing or gurgling noise may be heard This noise is generated by refrigerant flowing in the system During unit operation a cracking noise may be heard This noise is generated by the casing expanding or shrinking because of temperature changes During operation white fog or This is because the system circulates smells from the interior air such as the smell of cigarettes or the painting on the unit steam comes out of indoor unit When unit is running at places like restaurant where dense edible oil fumeis always exist this will happen In cooling operation unit switches to fan operation Unit will not restart after stop Won t start No outlet air or fan speed To prevent frost from accumulating on indoor heat exchanger unit will switch to fan operation for a while then resume cooling operation Though ON OFF button is set to ON unit won t resume cooling dry or heating operation in 3 min after it is stopped this is because of 3 min delay protection circuit U W Please wait 3 minutes can t be changed in dry mode In heating operation water or steam are blown out of indoor unit Unit will reduce fan speed repeatedly and automatically if room temp is too low in dry operation This occurs when frost accumulated on the outdoor unit is removed during defrosting operation IT I 1 In heating operation indoor fan won t stop even if unit is stopped After unit stop indoor fan will go on running until indoor unit cools down 18

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