Through Perfecting the Air, Daikin strives to make the world’s spaces happier and more comfortable.
Daikin leverages its experience and technology to deliver air conditioning solutions that meet the demands of any setting.
Information is provided here for resolving trouble in operation centering on residential-use air conditioners. Although all situations are not covered in this section, answers to the most frequently asked areas are provided. To save time and trouble, we recommend that you refer first to this page.
Split/Multi-Split
Please check the following before calling for servicing.
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This is not a malfunction of the air conditioner.
The air conditioner is warming up. Please wait for about 3
minutes.
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Please check the following before calling for servicing.
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Unplug the power cord or turn off the circuit breaker. Wait for about 1 minute, and then turn on the power. If the operation lamp flashes, contact the place of purchase.
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Stop operation, unplug the power cord or turn off the circuit breaker, and contact the place of purchase.
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The air filter is returning to normal position. Please wait for about 3 minutes.
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This is not a malfunction of the air conditioner.
This is to protect the air conditioner. Please wait for
about 3 minutes.
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When dry or cooling operation is activated with the auto fan speed setting set to ON, the SMELL PROOF operation starts and removes stagnant odor from the indoor unit before air is discharged. Therefore, the unit does not discharge air immediately after the operation starts. Please wait for about 30 to 40 seconds.
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This is not a malfunction of the air conditioner.
When the voltage fluctuates largely, operation can stop to
protect the air conditioner. Operation restarts
automatically in about 3 minutes.
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When the room temperature reaches the set temperature, the air conditioner operates in breeze mode to prevent excessive cooling or heating. When the room temperature decreases or increases from the set temperature, the breeze mode is cancelled and the air flow volume increases. When the room temperature is stable and remains near the set temperature, the air flow volume may increase and decrease repeatedly.
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This is not a malfunction of the air conditioner.
When the ON timer is set, operation starts up to 1 hour
before the time set to reach the setpoint. If the remote
controller is operated during this time, the operation
automatically stops. Restart operation using the remote
controller.
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Please check the following before calling for servicing.
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This is not a malfunction of the air conditioner.The system is in defrost operation on the outdoor unit. Please wait for about 3 to 10 minutes.
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When the auto filter cleaning setting is ON (default), the air conditioning operation stops after 24 hours of air conditioning operation (cooling mode, dehumidifying mode, heating mode, air purifying mode, or ventilation mode) to activate the automatic filter cleaning operation. After the cleaning operation is complete, the air conditioning operation resumes.
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The air filter is returning to normal position. Please wait for about 1 to 3 minutes.
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Check if the mould proof automatic setting is set to ON. If the setting is ON, mould proof operation is activated after dehumidifying, dry cooling, or cooling operation stops.
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Stop operation, unplug the power cord or turn off the circuit breaker, and contact the place of purchase.
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A clicking sound may be produced when the refrigerant control valve or electric component operates.
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A buzzing sound may be produced when the flap moves.
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A rattling/creaking sound may be produced when the flap position is adjusted during operation startup or stopping.
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When the room is completely closed and the ventilation fan is operating or when strong winds are blowing outside, outdoor air can enter the drain hose and cause a bubbling sound. This phenomenon tends to occur in a well-sealed house or apartment.
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Check if the unit is operating in ventilation (fan) mode. The unit can produce a soft rumbling sound when it is operating in ventilation (fan) mode.
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The hissing or crackling sound is produced by Streamer discharge. It does not denote a malfunction.
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Stop operation, unplug the power cord or turn off the circuit breaker, and contact the place of purchase.
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After humidifying operation stops, the humidifying fan continues operating for about 3 minutes to prevent equipment damage.
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Stop operation, unplug the power cord or turn off the circuit breaker, and contact the place of purchase.
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Do not use a commercial cleaning agent. Commercial cleaners may cause adverse effects on the resin parts of the heat exchanger or other internal components. In the worst case, problems such as water leaks can occur.
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We recommend cleaning the air filters every 2 weeks. Wash the filters with water or clean them with a vacuum cleaner. (See the manual for details.) For heavy soiling, wash the filters with a neutral detergent diluted with tepid water and let the filters dry in a shady place.
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Operation can be started by pressing the "ON/OFF" button on the main unit. In this case, operation mode and fan speed are set to "automatic."
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The batteries are running low. Replace both batteries (2) with new ones. Estimated life for replacement battery is about 1 year. Use alkaline batteries.
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The display on the remote controller cannot be turned off.
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If other electric products operate when the remote controller is used, move those products farther away from the remote controller or contact the place of purchase.
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If the monitor bright setting in the setting menu is set to OFF, the operation lamp does not light even during operation.
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The timer lamp flashes to indicate that the Streamer unit needs cleaning. After cleaning the Streamer unit, reset the lamp.
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The mould proof/cleaning lamp flashes to indicate that the dust box needs cleaning. After cleaning the dust box, reset the lamp.
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Did this solve your problem? If not, please contact your nearest Daikin representative.
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Stop operation, unplug the power cord or turn off the circuit breaker, and contact the place of purchase.
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To prevent damage to the air conditioner when humidifying or ventilation operation stops, filter cleaning operation starts after the humidifying fan stops operating. Thus, the filter cleaning operation time becomes longer. Please wait for 14 minutes.
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Although the product can operate for air conditioning without the Streamer unit installed, the operation lamp flashes.
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Since Streamer discharge generates a very small amount of ozone, there may be some odor at the air outlet. The amount of discharged ozone is extremely small and causes no health hazards.
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The unit discharges cold air to quickly reduce humidity.
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Stop operation, unplug the power cord or turn off the circuit breaker, and contact the place of purchase.
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Please contact the dealer nearest you.
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Air Purifiers
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Stop using the air purifier. To prevent product malfunction and unexpected problems, contact the place of purchase.
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Stop using the air purifier. To prevent product malfunction and unexpected problems, contact the place of purchase.
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Stop using the air purifier. To prevent product malfunction and unexpected problems, contact the place of purchase.
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Check if the air inlet or outlet is blocked.
If they are not blocked, the fan motor may be defective.
Contact the place of purchase.
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Check if the unit is operating without some of the following
parts: pre-filter, air discharge grille, dust collecting
filter, humidifying filter air, humidifying tray, or water
tank.
If any of those parts are not installed, the fan may stop
operating in order to prevent damage to electrical parts. If
any of those parts are not installed, unplug the power cord,
install the parts correctly, and then operate the unit.
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Did this solve your problem? If not, please contact your nearest Daikin representative.
Did this solve your problem? If not, please contact your nearest Daikin representative.
Did this solve your problem? If not, please contact your nearest Daikin representative.
Stop using the air purifier. To prevent product malfunction and unexpected problems, contact the place of purchase.
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Check if the dust collecting filter is installed
correctly.
If the filter is not installed correctly, the unit may
produce a loud sound.
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The hissing sound is produced by the Streamer unit during Streamer discharge. The sound may become quieter or changes to a crackling sound, buzzing sound or slurping sound depending on usage conditions. Those sounds do not indicate a malfunction. If the sound disturbs you, try placing the unit at a different location.
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Did this solve your problem? If not, please contact your nearest Daikin representative.
The splattering sound is produced by water splashing on the humidifying filter.
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The soft growling or rumbling sound is generated by the
rotation of the humidifying filter unit during humidifying
operation.
If the sound disturbs you, try placing the unit at a
different location.
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The bubbling sound may be generated by the supply of water from the water tank to the humidifying tray.
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The clicking sound may be generated by the motor for the humidifying filter unit turning ON/OFF to START/STOP the humidifying operation.
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Are the pre-filter, air outlet grille, dust collecting
filter, humidifying filter unit, humidifying tray and water
tank installed correctly?
Be sure to install them correctly.
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Check if the lamp brightness setting is set to OFF. If it is set to OFF, the front panel indicator lamp does not light.
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If water moves around in the humidifying tray, the float moves up and down. This causes the water supply lamp to turn on and off repeatedly. Fill the water tank with water.
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The Streamer unit does not need to be cleaned or replaced.
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The active plasma ionizer does not need to be cleaned or replaced.
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The dust collecting filter cannot be cleaned. Do not use a vacuum cleaner or wash it with water to clean the dust collecting filter. If the filter becomes very dirty, replace it with a new filter.
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Even if the filter becomes black, the dust collecting performance is still the same. If you do not like to use the blackened filter, replace it with a new dust collecting filter (sold separately).
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If water is left in the water tank for an extended period of time, bacteria can grow and change the color of water. Replace the water in the water tank on a regular basis and clean the water tank and humidifying tray.
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The product can operate continuously for 24 hours without any problem.
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Discard water from the water tank and humidifying tray, clean the product, and let the inside of the unit dry thoroughly in the shade. Cover the product with a plastic bag to prevent dust from entering the air outlet, and store the unit in a dry place. Keep the unit upright during storage.
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Before using the product only for air purification, discard water from the water tank and humidifying tray, clean the product, and let the inside of the unit dry thoroughly in the shade. The product can operate for air purification even if the water tank is empty.
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Even when the unit operates only for air purification, air draft causes natural evaporation of water and slight humidification results. Thus, the water level in the water tank decreases. If the product is used only for air purification, discard water from the water tank and humidifying tray before operating.
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Do not put any of the following water in the water tank:
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Dismount the outlet grille, water tank, humidifying tray, etc., and remove the entered object. Note that the active plasma ionizer unit (located on the side opposite from the water tank) cannot be disassembled by the user. Contact the place of purchase.
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Wires need to be replaced. Contact the place of purchase.
Do not replace the wires yourself.
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The scorching marks are caused by streamer discharge. They do not denote a malfunction.
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Please contact the dealer nearest you.
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Others
Please contact the dealer nearest you.
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Because commercial-use, large-sized, and specialty-type equipment requires expert knowledge, have work done by professionals.
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