9 EnglishTo set the timer / TroubleshootingThe following symptoms do not indicate malfunction.Symptom CauseMist emerges from indoor unit. • Condensation effect due to cooling process.Water flowing sound during operation. • Refrigerant flow inside the unit.The room has a peculiar odour. • This may be due to damp smell emitted by the wall,carpet, furniture or clothing.Indoor fan stops occasionally during automaticfan speed setting.• This helps to remove the surrounding odour.Operation is delayed a few minutes afterrestarting.• The delay is a protection to the unit’s compressor.Outdoor unit emits water/steam. • Condensation or evaporation occurs on pipes.TIMER indicator is always on. • The timer setting repeats daily once set.Power indicator blinks during operation and theindoor fan is stopped.• The unit is in defrost mode, and the melted frost isdrained from the outdoor unit.Indoor fan stops occasionally during heatingoperation.• To avoid unintended cooling effect.POWER indicator blinks before the unit isswitched on.• This is a preliminary step in preparation for theoperation when the ON timer has been set.Cracking sound during operation. • Changes of temperature caused the expansion/contraction of the unit.Check the following before calling for servicing.Symptom CheckOperation in HEAT/COOL mode is not workingefficiently.• Set the temperature correctly.• Close all doors and windows.• Clear any obstruction at the air inlet and air outlet vents.Noisy during operation. • Check if the unit has been installed at an incline.The unit does not work. • Check if the circuit breaker is tripped.• Check if timers have been set.The following symptoms indicate malfunction.Symptom CheckAt remote control, OFF indicator does notshown on remote control display but operationLED OFF.• Use remote control to retrieve error code as follows.OFF / ONTEMPTIMER/CLOCKMODEQUIET/POWERFULFAN SPEEDMODECHECK RESETAIR SWINGOFF/ONCANCELCLOCKSETSELECTUPDOWNAC RCOFF IndicatorOperation LED3/12Ensure the operation LED is in OFF condition.1 Press CHECK for 5 seconds2 Press TIMER UPor DOWN• If error code and abnormality can beidentified, the operation LED will be ONcontinuously, then jot down the error code.3 Press CHECK again for 5 seconds to quitchecking4 Reveal the error code to authorised dealerTroubleshooting