Haier HSU-09HEA13-B User Manual - Page 8
Trouble shooting
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Trouble shooting Before asking for service, check the following first. Cautions Phenomenon The system does not restart immediately. Noise is heard Normal Performance inspection Smells are generated. Mist or steam are blown out. In dry mode, fan speed can't be changed. Multiple check Poor cooling Cause or check points When unit is stopped, it won't restart immediately until 3 minutes have elapsed 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. This is because the system circulates smells from the interior air such as the smell of furniture, paint, cigarettes. During COOL or DRY operation, indoor unit may blow out mist. This is due to the sudden cooling of indoor air. In DRY mode, when room temperature becomeslower than temp.setting+2oC,unit will run intermittently at LOW speed regardless of FAN setting. Is power plug inserted? Is there a power failure? Is fuse blownout? 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? T1: Application temp. range of air conditioner -7oC~43oC. T3: Application temp. range of air conditioner -7oC~54oC. The machine is adaptive in following situation 1.Applicable ambient temperature range: For: T1 Cooling Indoor Maximum: D.B / W.B Minimum: D.B / W.B Maximum: D.B Outdoor Minimum: D.B Heating Indoor Maximum: D.B Minimum: D.B Outdoor Maximum: D.B / W.B Minimum: D.B / W.B 32oC/23oC 18oC/14oC 43oC/26oC 18oC 27oC 15oC 24oC/18oC -7oC/-8oC For: T3 Indoor Maximum: D.B / W.B 29oC/19oC Minimum: D.B / W.B 18oC/14oC Cooling Outdoor Maximum: D.B Minimum: D.B / W.B 54oC/24oC 18oC Heating Indoor Outdoor Maximum: D.B Minimum: D.B Maximum: D.B / W.B Minimum: D.B / W.B 27oC 15oC 24oC/18oC -7oC/-8oC 2. If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similar qualified person. The type of connecting wire is H05RN-F or H07RN-F 3. If the fuse on PC board is broken please change it with a fuse type T. 3.15A/250V. If the fuse of outdoor unit on PC board is broken, please change it with the type of T. 25A/250V. 4.The distance between the indoor unit and the floor should be more than 2m. 5.The wiring method should be in line with the local wiring standard. 6. After installation, the power plug should be easily reached.. 7.The used batteries should be disposed of properly. 8.The appliance is not intended to use by young children or infirm persons without supervision. 9.Young children should be supervised ensure that they do not play with the appliance. 10.The appliance must be installed on a strong enough support. 11.The wiring diagram is attached inside the machine. 7