Haier HPU-18CH13 HPU-123C01 User Manual - Page 20

Operation hints Operating the conditioner If the ambient humidity is too large, the anion effect will be reduced.Under the cooling or dehumidifying mode, the horizontal air door blade shall not keep the downward position for a long period.Otherwise the air outlet will condense water and produce water drops. Do not expose your skin under cool air or hot air for a long period. Remote monitoring The control board of the indoor unit reserves the communication port for remote control. If you install the peripheral equipment according to the manual of the matching remote control detector, it can realize the computer management or remote monitoring of the conditioner. Please refer to the manual of the " Conditioner remote control detector " for the details. Trouble display If the conditioner has trouble, the control panel will display " E X ". Please switch off the power supply, and restart the machine. If it still displays the error code, please switch off the power supply, and contact the local after-sales technicians for maintenance. Power failure resume (please set and apply as necessary) With setting of power failure resume, if sudden power failure occurs, the unit will resume original operation when power is supplied again. Setting method: with ON of remote controller (except TIMER and FAN),repeatedly press SLEEP button 10 times in 5 seconds,after 4 Beep from the buzzer,the unit comes into power failure resume mode. To cancel: press SLEEP button continuously 10times in 5 seconds,the buzzer sounds Beep twice and power failure resume function is canceled. Note: When sudden power failure happens during unit operation in power failure resume mode, if the air conditioner is not desired for use in a long period, please shut off the power supply in case that the unit automatically resume operation when power is re-supplied, or press ON/OFFto turn off the unit when power resumes. 19