Haier HBU-42HF03 User Manual - Page 14

When Trouble Happens Insufficient cooling or heating The operation controller adjusted as required Air filter too dirty ? Horizontal swing louver upward ? (in HEAT mode) Any obstacle exists at the air inlet or outlet? Door or window left opened ? Any other heat sources in the room? Insufficient cooling Sunlight direct into the room ? Too crowed in the room ? Cooled air blown out ( when heating) When the air conditioner does not operate properly after you have checked the above-mentioned items or when following phenomenon is observed,stop the operation of the air conditioner and contact your sales dealer. 1)The fuse or breaker often shuts down. 2)Water drops off during cooling or drying operation. 3)There is an irregularity in operation or abnormal sound that is audible. 12