DAIKIN FFQ12W2VJU9 (01) PDF Document

If you have pressed the ON/OFF button soon after operation was stopped, or if the mode was reselected, the unit may wait for about 3 minutes. This delay is intended to protect your DAIKIN FFQ12W2VJU9.

During HEAT operation, the DAIKIN FFQ12W2VJU9 may be warming up, which takes about 1 to 4 minutes. Additionally, if the unit is in defrosting operation, hot air will not flow out of the indoor unit.

When the DAIKIN FFQ12W2VJU9 operates immediately after the circuit breaker is turned on, it is preparing to operate. You should wait for about 3 to 20 minutes.

The system is taking away the frost on the outdoor unit of your DAIKIN FFQ12W2VJU9. You should wait for about 4 to 12 minutes for this process to complete.

In HEAT mode, the frost on the outdoor unit of the DAIKIN FFQ12W2VJU9 melts into water or steam when the unit is in defrost operation.

In COOL or DRY mode, moisture in the air condenses into water on the cool surface of the outdoor unit piping of the DAIKIN FFQ12W2VJU9 and drips.

This happens when the air in the room is cooled into mist by the cold airflow during cooling operation of the DAIKIN FFQ12W2VJU9.

This happens when smells of the room, furniture, or cigarettes are absorbed into the DAIKIN FFQ12W2VJU9 and discharged with the airflow. It is recommended to have the indoor unit washed by a technician.

After operation is stopped, the outdoor fan of the DAIKIN FFQ12W2VJU9 continues rotating for another 1 minute for system protection. While the unit is not in operation, if the outdoor temperature is very high, the fan may start rotating for system protection.

The DAIKIN FFQ12W2VJU9 may stop due to a sudden large voltage fluctuation for system protection. It will automatically resume in about 3 minutes. Additionally, check if all indoor units in a multi system are set to the same operation mode.

Check if the circuit breaker for your DAIKIN FFQ12W2VJU9 has turned off or a fuse has blown. Also, verify there is no power failure, ensure batteries are set in the remote controller, and check if the timer setting is correct.

Check the following for your DAIKIN FFQ12W2VJU9: Are the air filters clean? Is there anything blocking the air inlet or outlet of the indoor and outdoor units? Is the temperature setting appropriate? Are the windows and doors closed? Are the airflow rate and air direction set appropriately?

Check if the air filters of your DAIKIN FFQ12W2VJU9 are clean and if there is anything blocking the air inlets or outlets. Clean the filters or remove the obstacles, then turn the circuit breaker OFF and then back ON. Try operating the unit with the remote controller. If the lamp still blinks, contact your dealer.

The DAIKIN FFQ12W2VJU9 may malfunction due to lightning or radio waves. Turn the breaker OFF, wait, turn it ON again, and try operating the air conditioner with the remote controller.

You should immediately turn off the circuit breaker for your DAIKIN FFQ12W2VJU9 and call your dealer if any of the following symptoms occur: the power cord is abnormally hot or damaged, an abnormal sound is heard during operation, the circuit breaker cuts off the operation frequently, a switch or a button often fails to work properly, there is a burning smell, or water leaks from the indoor unit.

Clean the air filter of your DAIKIN FFQ12W2VJU9 when the filter cleaning time indicator lamp lights up or when the remote controller displays the “Time to clean filter” message. Follow these steps: 1. Push the 2 catches on the suction grille away from you and slowly open the grille. 2. Pull the knobs of the air filter downward to disconnect the hooks and remove the filter. 3. Clean the filter with a vacuum cleaner or wash it with water. If very dirty, wash with a soft brush and neutral detergent, then let it dry in the shade. 4. Reattach the filter by hooking one side onto the protrusions and pushing the other side into place. 5. Close the suction grille. 6. Reset the filter sign via your remote controller.

To clean the type A suction grille of your DAIKIN FFQ12W2VJU9: 1. Open the suction grille by pushing the 2 catches away from you. 2. Remove the grille by opening it until it is at a 45-degree angle to the ceiling and lifting it upward. 3. Remove the air filter. 4. Wash the grille with a soft bristle brush and a neutral detergent or water, and dry thoroughly. If it is very dirty, apply a detergent used for cleaning ventilation fans or ovens, wait 10 minutes, and rinse with water. 5. Reattach the air filter. 6. Reattach the suction grille by performing the removal steps in reverse. 7. Close the suction grille.

To clean the type B suction grille of your DAIKIN FFQ12W2VJU9: 1. Open the suction grille by pushing the 2 catches away from you. 2. Remove the suction grille by opening it so that it hangs by the hinges at 90 degrees to the ceiling and pinching the wire catches inward. 3. Remove the air filter. 4. Wash with a soft bristle brush and a neutral detergent or water, and dry thoroughly. For very dirty conditions, use detergent for ventilation fans or ovens for 10 minutes, then rinse. 5. Reattach the air filter. 6. Reattach the suction grille by reversing the removal steps. 7. Close the suction grille.

Before storing your DAIKIN FFQ12W2VJU9 for a long time: 1. Operate the unit in FAN mode for several hours to dry out the inside. 2. After operation stops, turn off the circuit breaker. 3. Clean the air filter and reattach it. 4. If using a wireless remote controller, take out the batteries to prevent battery leakage.

For cleaning your DAIKIN FFQ12W2VJU9, do not use water hotter than 104°F (40°C), volatile liquids such as benzene, gasoline, or thinner, polishing compounds, liquid insecticide, rough materials such as a scrubbing brush, or sprays such as deodorizers.

In a multi system with a DAIKIN FFQ12W2VJU9, COOL, DRY, and FAN operations can be used at the same time. However, AUTO operation only selects COOL or HEAT based on the indoor temperature and is only available if it matches the operation mode of the room with the first unit turned on.

If more than one indoor unit is operating, priority for operation mode is given to the first DAIKIN FFQ12W2VJU9 unit turned on. Units turned on later must be set to the same mode; otherwise, they will enter a standby state.

NIGHT QUIET mode reduces the operation noise of the outdoor unit of your DAIKIN FFQ12W2VJU9 during night-time hours. It is activated when the temperature drops 10.8°F (6°C) or more below the highest temperature of that day and is canceled when the temperature difference becomes less than 7.2°F (4°C). Note that it slightly reduces cooling efficiency.

For the DAIKIN FFQ12W2VJU9 in COOL/DRY mode, the outdoor temperature range is 14°F to 115°F (-10°C to 46°C) for MXS, MXL, and MXLH models, or 50°F to 115°F (10°C to 46°C) for RX models. The indoor temperature range is 64°F to 90°F (18°C to 32°C), and indoor humidity should be 80% maximum.

For the DAIKIN FFQ12W2VJU9 in HEAT mode, the indoor temperature range is 50°F to 86°F (10°C to 30°C). Outdoor temperature ranges are: MXS models (5°F to 75°F / -15°C to 24°C), MXL models (5°F to 75°F / -15°C to 24°C), MXLH models (-13°F to 75°F / -25°C to 24°C), and RX models (5°F to 75°F / -15°C to 24°C).

No, the COOL/HEAT mode lock cannot be activated together with the priority room setting on your DAIKIN FFQ12W2VJU9.

When cleaning the DAIKIN FFQ12W2VJU9, use a sturdy and stable stand, watch your step, and ensure you firmly support the suction grille with your hand to prevent it from falling.

Yes. Refrigerant gas may produce toxic gas if it comes into contact with fire, such as from a heater, stove, or cooking device. Additionally, refrigerant gas is heavier than air, and a massive leak could lead to oxygen depletion and an asphyxiation hazard, especially in basements. Furthermore, be aware that refrigerants may not contain an odor.

No, do not allow children to play on or around the DAIKIN FFQ12W2VJU9 to prevent injury. Additionally, the remote controller should be kept away from children so they cannot play with it.

Check the unit foundation of your DAIKIN FFQ12W2VJU9 for damage on a continuous basis, especially if it has been in use for a long time. If it is in a damaged condition, the unit may fall and cause injury.

No, never inspect or service the DAIKIN FFQ12W2VJU9 by yourself. Contact a qualified service person to perform this work.

No, never touch the internal parts of the controller on your DAIKIN FFQ12W2VJU9. Do not remove the front panel, as some parts inside are dangerous to touch.

No, do not touch the switch on the DAIKIN FFQ12W2VJU9 with wet fingers, as this can cause electric shock.

When a fuse blows out in your DAIKIN FFQ12W2VJU9, never replace it with one of incorrect ampere ratings or different wires. Always replace any blown fuse with a fuse of the same specification.

No, never use flammable spray such as hair spray, lacquer, or paint near the DAIKIN FFQ12W2VJU9, as it may cause a fire.

Water can cause an electric shock or a fire for your DAIKIN FFQ12W2VJU9 indoor unit or remote controller.

Do not place items under the DAIKIN FFQ12W2VJU9 indoor unit as they may be damaged by condensates that may form if the humidity is above 80% or if the drain outlet gets blocked.

No, do not operate the DAIKIN FFQ12W2VJU9 when using a room-fumigation type of insecticide. Failure to observe this could cause chemicals to be deposited in the unit and can endanger the health of those who are hypersensitive to chemicals.

No, do not turn off the power immediately after stopping the DAIKIN FFQ12W2VJU9. Always wait for at least 5 minutes before turning off the power to avoid possible water leakage.

If no water is discharged from the drainpipe while the DAIKIN FFQ12W2VJU9 is in cooling mode, the drainpipe may be clogged with dust or dirt, and water leakage from the indoor unit may occur. Stop operating the DAIKIN FFQ12W2VJU9 and contact your dealer.

Do not place objects in direct proximity of the outdoor unit of your DAIKIN FFQ12W2VJU9. Do not let leaves and other debris accumulate around the unit. Leaves are a hotbed for small animals which can enter the unit and cause it to malfunction, smoke, or fire if they make contact with electrical parts.

Do not use the DAIKIN FFQ12W2VJU9 in the following places: where there is a mist of mineral oil (like cutting oil), coastal areas with a lot of salt in the air, hot springs with sulfur, factories where voltage varies significantly, in cars, boats, or other vehicles, kitchens where oil may splatter or steam exists, locations producing electromagnetic waves, places with acid or alkaline mist, or areas where fallen leaves and weeds can accumulate.

The remote controller for your DAIKIN FFQ12W2VJU9 may be damaged if you press the buttons with a hard, pointed object.

Do not wipe the DAIKIN FFQ12W2VJU9 controller operation panel with benzine, thinner, or chemical dust cloth, as the panel may discolor or the coating may peel off. If it is heavily dirty, soak a cloth in water-diluted neutral detergent, squeeze it well, wipe the panel clean, and then wipe it with another dry cloth.

Dismantling of the DAIKIN FFQ12W2VJU9, and disposal of the refrigerant, oil, and additional parts, should be done in accordance with the relevant local, state, and national regulations.

The “CENTRAL CONTROL” icon on the DAIKIN FFQ12W2VJU9 wired remote controller indicates that the unit has entered the standby state, usually in a multi system where the unit’s operation mode does not match the priority unit’s mode. This does not indicate a malfunction.

No, do not spray the DAIKIN FFQ12W2VJU9 unit with any deodorizers, etc., as it may cause the unit to malfunction.

Do not attempt to do electrical or grounding work on your DAIKIN FFQ12W2VJU9 unless you are licensed to do so. Consult your dealer for electrical work and grounding work.

Do not place appliances that produce open flames in places that are exposed to the airflow of the DAIKIN FFQ12W2VJU9 or under the indoor unit. It may cause incomplete combustion or deformation of the unit due to the heat.

Operate the DAIKIN FFQ12W2VJU9 in a sufficiently ventilated area and not surrounded by obstacles. Do not use the air conditioner in the specific types of places listed in the “Safety Considerations” section of the manual.

You should pay attention to operating sound for the DAIKIN FFQ12W2VJU9. Use a location that can sufficiently withstand the weight of the air conditioner yet suppress the operating sound and vibration, and ensure that the warm air from the outdoor unit or its operating sound does not annoy neighbors.

Never pull or twist the electric wire of the DAIKIN FFQ12W2VJU9 remote controller; it may cause the unit to malfunction.

Safely dispose of the packing materials for the DAIKIN FFQ12W2VJU9. Packing materials, such as nails and other metal or wooden parts, may cause stabs or other injuries. Additionally, tear apart and throw away plastic packaging bags so that children will not play with them, as they face the danger of death by suffocation.

If equipment utilizing a burner is used in the same room as the DAIKIN FFQ12W2VJU9, there is a danger of oxygen deficiency which could lead to an asphyxiation hazard resulting in serious injury or death. Be sure to ventilate the room sufficiently.

Consult your dealer if the DAIKIN FFQ12W2VJU9 in operation generates unusual noise.

Yes, ensure that there are no obstacles close to the outdoor unit of your DAIKIN FFQ12W2VJU9. Obstacles close to the outdoor unit may drop the performance of the unit or increase the operating sound.

If a “priority room” is set for your multi system (consult your dealer for this initial programming), the DAIKIN FFQ12W2VJU9 unit designated as the priority room takes precedence. If the priority room is in COOL, other rooms wanting HEAT will go into standby mode. If the priority room is in FAN, the unit continues the current operation mode in other rooms.

After a power failure, your DAIKIN FFQ12W2VJU9 will automatically resume operation in about 3 minutes. You should just wait for a while.

If there is a risk that lightning could strike in the neighborhood, stop the operation of your DAIKIN FFQ12W2VJU9 and turn off the circuit breaker to protect the system.