Haier HBU-18HD03 User Manual - Page 17
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Clean with soft and dry cloth. Care and Cleaning of the unit If it is very dirty, dissolve neutral detergent in the lukewarm water and make the cloth wet with the water. After wiping, clean off the detergent using clean water. Post-Season Care Operate the unit with FAN mode on a fair day for about half a day to dry the inside of the unit well. Stop operation and turn off the power supply switch. Electric power is consumed even the air conditioner is in stop. Clean the air filter and set it in the place. Pre-Season Care See that there are no obstacles blocking the air inlet and air outlet of both indoor and outoor units. Make sure that the air filter is not dirty. Cut in the power supply switch 12 hours before starting run. MALFUNCTION? Please check the following things about your air conditioner before making a service call. Unit fails to start Is the power source switch cut in? NO Power supply FFO switch is not ON. Is city supply power in nor- Isn't the signal receiving sec- Isn't the earth leakage mal? tion exposed to the direct sun- breaker in action? light or strong illumination? Power stoppage? siIdtangerousT.urnothfepowesruppyl swtichmi medai teylandcontacthesael s dealer. Cooling or heating is not sufficient Is the themostat adjust as Isn'ttheairfilterdirty? required? Isn't any doors or window Doesn't any obstacle exist left opened? at the air inlet or outlet? Suitable temperature Isn't the swing louver horizontal? (At HEATING mode) Isn't sun-shine invading di- rectly? If swing louver is horizontal, the blow wind does not reach floor. Cooling is not sufficient Isn't any unexpected heating load generated? Heatgenerated by machines Isn't the room much crowded? The wind does not blow during heating operation Isn't it warming up? When the air conditioner does not operate properly after you have checked the above mentioned items or when the following phenomenon is observed, stop the operation of the air conditioner and 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 which is audible. 16