Haier HSU-07HM03 [21/42] Trouble shooting

Содержание

Trouble shooting Before asking for service check the following first Phenomenon Cause or check points The system does not restart immediately When unit is stopped it won t restart immediately until 3 minutes have elasped to protect the system When the electric plug is pulled out and reinserted the protection circuit will work for 3 minutes to protect the air conditioner During unit operation or at stop a swishing or gurgling noise may be heard At first 2 3 minutes after unit start this noise is more noticeable 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 Should there be a big noise from air flow in unit operation air filter may be too dirty Noise is heard Normal Performance inspection This is because the system circulates smells from the interior air such as the smell of furniture cigarettes Smells are generated Mist or steam are blo vn out During COOL or DRY operation indoor unit may blow out mist This is due to the sudden cooling of indoor air Does n t work at all Multiple check I 2 7 Is power plug inserted Is there a power failure Is fuse blown out Poor cooling A i Is the air filter dirty Normally it should be cleaned every 15 days Are there any obstacles before inlet and outlet Is temperature set correctly Are there some doors or windows left open Is there any direct sunlight through the window during the cooling operation Use curtain Are there too much heat sources or too many people in the room during cooling operation Application temp range of air conditioner 7 C 43 C 19

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