ARNU12GTUA2

Help Library

Troubleshooting
How can I disassemble and clean inside the air conditioner?

■ TitleHow can I disassemble and clean inside the air conditioner?■ ProblemCleaning/washing■ SymptomCleaning service■ Solution or Settings▷ Solution1.Before turning off the air conditioner , use [fan mode] or [auto clean]function to dry off...
Troubleshooting
The outdoor unit makes a loud noise

■ Title- The outdoor unit makes a loud noise■ Problem- Noise / Vibration■ Solution or SettingsThe outdoor fan is spinning inside the air outlet vent of the outdoor unit.Make sure the outdoor fan is not constrained by tree branches or other ...
Troubleshooting
Cleaning the dust sensor of the wall-mounted air conditioner.

■ TitleCleaning the dust sensor of the wall-mounted air conditioner.■ Problemfunction■ SymptomAir purification function■ Possible CausePM1.0 sensor of the air conditioner is a device that detects the degree of thecontamination of fine and l...
Troubleshooting
Drain pump is not working/ water leaks from the air conditioner

■ Title Drain pump is not working/ water leaks from the air conditioner■ Problem Leakage■ Symptom Drain pump leakage ■ Possible Cause If an additional drain pump is installed to discharge the condensate from theair conditioner, check the po...
Troubleshooting
Why does copper tubing between indoor and outdoor unit discolours

.Why does the field copper piping which terminates between the indoor and outdoorunit pipe turn black? Symptom Copper tubing between indoor and outdoor unit discolours (Black incomposure0. Cause Long term exposure to sunlight, will cause th...
Troubleshooting
I smell gas.

■ Title- I smell gas.■ Problem- odor■ Symptom- Gas smell■ Solution or Settings→ Basic feature of the air conditionerThe gas used as an air conditioner refrigerant is a colorless, odorless gas thatdoes not smell even when it’s leaked.The sud...