Cooling Air is not desirable Check if any obstacle in the return air path and remove the obstacles from the return air path Check if any direct sunlight is falling on unit and direct sunlight should not fall on unit. Change temperature setting to 22~25 degrees Check if any obstacle in the return air path and remove the obstacles from the return air path. Check if any direct sunlight is falling on unit and direct sunlight should not fall on unit. How to clean the filter? 1. Unplug the power cord or switch off the AC from Mains 2. Open the vent grille from the bottom or side of the unit. 3. Take the air filter (black net) out 4. Wash the filter under running water& wait until it gets dry. Inquiry about raining on the outdoor unit. The outdoor unit is designed to be outside. It will not rust easily with the rain. You can leave it under the rain as you do with your car. Units are not cooling. Any obstacles placed at the back of the unit can cause a sudden stoppage of the unit due to the overheating. Please remove everything in this area to prevent this problem. Does it make TAK TAK noise when its switched on or off. You need not to worry, it’s a normal sound of plastic expansion & contraction Is the compressor working? Please check the mode. In case it is running on fan mode please change to cool mode by remote handset. When hearing a Humming (Ghun-Ghun) noise. When the AC compressor is running, it creates slight vibrations. The sound may seem louder due to the resonance sound if the unit is installed on a Iron or glass window or above door or at height ( more than 6feet). Why does the outdoor unit gets turned off automatically? Any obstacles placed in front of the outdoor unit can cause a sudden stoppage of the unit due to the overheating. Please remove everything in this area to prevent this problem. Does your eyes get teary? If you recently renovated the house or bought a new furniture, varnish and painting smells can be mixed with cooling air from the air conditioner and causes bad odor. Ventilate more frequently. The odor will disappear after a couple of ventilations If it sounds more in the night time. Check to see if the fan speed is 'high'. Please select 'low' before you go to bed to reduce the noise. For instance, it's like if you turn the electric fan to 'high' speed, the noise gets louder but the noise decreases when you select 'medium' or 'low' speed. Have you dropped the remote? If the remote is damaged, please visit the local service center for replacement. When the distance between indoor and outdoor unit is too far apart? (resulting the longer pipe line) The efficiency of pipes deteriorates up to 20-30% (in the scale of 100) as the length of the pipe getting longer. It forces COMP to over-work resulting less cooling. The best length for 1.5tr should be 2 meters. When the cooling air is not coming out instantly. It takes approx 3 minutes to have the cold air working again from the time of stopping the operation to restarting the unit. It automatically starts operating after 3 minutes. It is called "3 minutes delay function". This is the protection device. When the water flowing sound heard. This noise occurs often right after starting/stopping the air conditioner for a while as the refrigerant flows around in the unit. This is quite normal. There is nothing wrong with your air conditioner. Unit not Starting Check Main Power supply. Check stabiliser output, if no output please call the stabiliser supplier. Does any Beep sound comes? Run AC manually from Display PCB button or if AC starts please change the remote battery Error/ display Stop the unit and unplug the power cord. Wait for a while and plug the cord back and try it again. If the problem continues, contact the customer service center Inquiry about suitable models for my place. For commercial use - Consider installation location/surrounding heating devices/number of windows/number of people in the room. For details, please contact the dealer shop. Isn't the machine working with a remote controller? This can be caused by the dead batteries or any obstruction in the remote & Indoor unit path. When the remote is not working. If the power is working properly, it can be caused by dead batteries, please replace the batteries. No display Stop the unit and unplug the power cord. Wait for a while and plug the cord back and try it again. If the problem continues, contact the customer service center. Water splashing noise. Remove the Water plug cap from the base of WAC or adjust the pipe at back if installed Air cutting noise. Not to Worry, Normal Air cutting noise.