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Daikin FTXS12DVJU - User Manual

Daikin FTXS12DVJU
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DAIKIN ROOM AIR CONDITIONER
Operation Manual
FTXS09DVJU
FTXS12DVJU
MODELS
00_CV_3P141693-1K.fm Page 1 Tuesday, September 19, 2006 1:59 PM

Questions and Answers

  • R
    Rachel PriceAug 18, 2025
    Why does my Daikin FTXS12DVJU Air Conditioner stop suddenly and the OPERATION lamp is on?
    • C
      castillogaryAug 18, 2025
      For system protection, the air conditioner may stop operating due to a sudden large voltage fluctuation. It automatically resumes operation in about 3 minutes.
  • A
    Alexandria Cunningham MDAug 20, 2025
    Why is the cooling or heating effect poor on my Daikin Air Conditioner?
    • D
      Donald SwansonAug 20, 2025
      Check the following: * Are the air filters clean? * Is 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 the air direction set appropriately? * Is the unit set to the INTELLIGENT EYE mode?
  • J
    Johnathan MartinAug 23, 2025
    Why does hot air not flow out soon after starting the heating operation on my Daikin FTXS12DVJU?
    • J
      John Little Jr.Aug 23, 2025
      The air conditioner is warming up. You should wait for 1 to 4 minutes.
  • R
    Robert GrossAug 26, 2025
    Why does mist come out of the indoor unit of my Daikin FTXS12DVJU?
    • J
      Jessica HallAug 26, 2025
      This happens when the air in the room is cooled into mist by the cold airflow during cooling operation.
  • S
    Sherry LewisAug 28, 2025
    Why does my Daikin FTXS12DVJU operation not start quickly?
    • D
      Derrick VelazquezAug 28, 2025
      This can occur when the ON/OFF button was pressed soon after operation was stopped, or when the mode was reselected. You should wait for about 3 minutes.
  • P
    penabrianAug 30, 2025
    Why does the outdoor unit of my Daikin FTXS12DVJU Air Conditioner emit water or steam?
    • T
      Terry BrownAug 31, 2025
      In HEAT mode, the frost on the outdoor unit melts into water or steam when the air conditioner is in defrost operation. In COOL or DRY mode, moisture in the air condenses into water on the cool surface of outdoor unit piping and drips.
  • J
    Jeffrey Bennett DDSSep 2, 2025
    Why does the indoor unit of my Daikin Air Conditioner give out odor?
    • R
      Rebecca StoneSep 2, 2025
      This happens when smells from the room, furniture, or cigarettes are absorbed into the unit and discharged with the airflow. We recommend you have the indoor unit washed by a technician. Consult your authorized dealer where you bought the air conditioner.
  • L
    Lindsay GillSep 5, 2025
    What to do if my Daikin FTXS12DVJU doesn't operate and the OPERATION lamp is off?
    • T
      thomas26Sep 5, 2025
      Check if a breaker has been turned OFF, or a fuse has blown. Also, verify if there is a power failure, if fresh batteries are installed in the remote controller, and if the timer setting is correct.
  • A
    Amber WolfSep 7, 2025
    What to do if the Daikin Air Conditioner operation stops suddenly and the OPERATION lamp flashes?
    • V
      vholtSep 7, 2025
      Check if the air filters are clean and if anything is blocking the air inlet or outlet of the indoor and outdoor units. Turn the electrical breaker off, clean the air filters or remove any obstacles from the inlet and outlet. Then, turn the breaker back on and try operating the air conditioner with the remote controller.
  • R
    robert95Sep 9, 2025
    What to do if an abnormal functioning happens during operation of my Daikin FTXS12DVJU Air Conditioner?
    • T
      Travis BriggsSep 10, 2025
      The air conditioner may malfunction due to lightning or radio waves. To reset it, turn the circuit breaker OFF, then turn it back ON and try operating the air conditioner with the remote controller.

Summary

Safety Precautions

Installation Site Requirements

Noise Considerations for Neighbors

Electrical Work Guidelines

System Relocation Procedures

Names of Parts

Indoor Unit Components

Identifies and describes the parts of the indoor unit.

Outdoor Unit Components

Identifies and describes the parts of the outdoor unit.

Remote Controller Overview

Details the functions and layout of the remote control.

Operation Modes

Adjusting Airflow Direction

POWERFUL Operation

OUTDOOR UNIT QUIET Operation

HOME LEAVE Operation

Useful Scenarios for Home Leave

Explains when and how to effectively use the HOME LEAVE operation.

INTELLIGENT EYE Operation

TIMER Operation

Off Timer Function

Instructions for setting and canceling the off timer.

On Timer Function

Instructions for setting and canceling the on timer.

Night Set Mode

Automatic temperature adjustment for comfortable sleep during timer operation.

Care and Cleaning

Cleaning the Unit and Front Panel

Steps for cleaning the indoor and outdoor units, and the front panel.

Air Filter Maintenance

How to clean and replace air filters and air-purifying filters.

Pre-Operation Checks

Checks Before Long Idle Period

Procedures to follow before a long period of non-operation.

Trouble Shooting

Common Operational Issues

Explains common situations that may seem abnormal but are normal operation.

Troubleshooting Checklist

A guide to check common problems before calling for service.

Dealer Assistance and Maintenance

Urgent Dealer Contact Symptoms

Lists symptoms requiring immediate contact with an authorized dealer.

Disposal and Maintenance Recommendations

Guidance on unit disposal and periodic professional maintenance.

Fault Diagnosis

Error Code Display via Remote

How to display error codes on the remote controller for fault diagnosis.

Daikin FTXS12DVJU Specifications

General IconGeneral
Cooling Capacity3.5 kW
Heating Capacity4.0 kW
Power Supply220-240V, 50Hz
TypeSplit
Seasonal Energy Efficiency Ratio (SEER)6.10
RefrigerantR32
Noise Level (Indoor)21 - 37 dB(A)
Indoor Unit Weight9 kg

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