Symptoms that are NOT system malfunctions ......................8.1.1 Symptom: A sound like water flowing is heard..................... 8.1.2 Symptom: A blowing sound is heard......................8.1.3 Symptom: A ticking sound is heard ....................... User reference guide FTXD25+35A5V1B Daikin room air conditioner 4D520466-18N – 2024.05...
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Symptom: The outdoor fan rotates while the air conditioner is not in operation........Solving problems based on error codes ........................Troubleshooting for wireless LAN connection....................... 9 Disposal 10 Glossary FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
User reference guide: Detailed step-by-step instructions and background information for basic and advanced usage Format: Digital files on https://www.daikin.eu. Use the search function find your model. Latest revisions of the supplied documentation may be available on the regional Daikin website or via your installer.
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Example: " 1–3 Figure title" means "Figure 3 in chapter 1". Indicates a table title or a reference to it. Example: " 1–3 Table title" means "Table 3 in chapter 1". FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Do NOT place any objects containing water on the unit. CAUTION ▪ Do NOT place any objects or equipment on top of the unit. ▪ Do NOT sit, climb or stand on the unit. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
10 cm. CAUTION Do NOT insert fingers, rods or other objects into the air inlet or outlet. When the fan is rotating at high speed, it will cause injury. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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CAUTION Do NOT operate the system when using a room fumigation-type insecticide. Chemicals could collect in the unit, and endanger the health of people who are hypersensitive to chemicals. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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After a long use, check the unit stand and fitting for damage. If damaged, the unit may fall and result in injury. WARNING Be careful with ladders when working in high places. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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Stop operation and shut OFF the power if anything unusual occurs (burning smells etc.). Leaving the unit running under such circumstances may cause breakage, electrical shock or fire. Contact your dealer. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
INFORMATION The following figures are examples and may NOT completely match your system layout. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
▪ Curtains. Make sure that curtains or other objects do NOT block the signal between the unit and the wireless remote control. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Result: When the indoor unit receives a signal from the wireless remote control, you will hear a sound: Sound Description Beep-beep Operation starts. Beep Setting changes. Long beep Operation stops. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
1 Choose a place where the signals reach the unit. 2 Attach the holder with screws to the wall or a similar location. 3 Hang the wireless remote control on the holder. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
4.4 To turn on the power supply 1 Turn the circuit breaker on. Result: The flap of the indoor unit will open and close to set the reference position. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
To adjust the amount of air blown into the Airflow rate room. To run more quietly. Advanced features To use the system when you are also using Econo other power-consuming appliances. To save energy. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
In that case, the system automatically switches to defrosting operation to remove the frost. During defrosting operation, hot air is NOT blown from the indoor unit. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
▪ When using drying operation mode, you CANNOT adjust the airflow rate setting. 5.4.1 To adjust the airflow rate 1 Press to change the airflow setting as follows: FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
LCD. The flaps (horizontal blades) will begin to swing. 2 To use fixed position, press when the flaps reach the desired position. Result: disappears from the LCD. The flaps will stop moving. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
1 Press to start. Result: The flap position will change, is displayed on the LCD, and the airflow rate is set to automatic. Mode Position of flap… Cooling/Drying Heating Down FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
This function is useful for cases in which attention should be paid to ensure a circuit breaker will not trip when the product runs alongside other appliances. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
INFORMATION Program the timer again in case of: ▪ A breaker has turned the unit off. ▪ A power failure. ▪ After replacing batteries in the wireless remote control. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
NOT operating, operation will start after 2 hours. 3 To cancel the setting, press Result: and the time setting disappear from the LCD and the timer lamp goes off. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
1 Go to Google Play (for Android devices) or the App Store (for iOS devices) and search for "ONECTA". 2 Follow the directions on the screen to install the ONECTA app. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
(5 sec.) 2 Press to confirm the selection. Result: is blinking. 3 Check the operation and timer LEDs on the indoor unit display. ON/OFF a Operation LED b Timer LED FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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To reset the connection setting to the factory default Reset the connection setting to the factory default in case you want to: ▪ disconnect the wireless LAN and the communication device (e.g. router) or smart device, FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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Result: OFF is blinking. The operation and timer LEDs are blinking alternately in 1 s interval. Communication is OFF. 4 Press to exit the menu. Result: The display will return to the default screen. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Adjust the air flow direction to avoid cool air from gathering on the floor or warm air against the ceiling. (Up during cooling or dry operation to the ceiling and down during heating operation.) ▪ Avoid direct air flow to room inhabitants. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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Energy saving and optimum operation ▪ Operate the system within the recommended temperature range (26~28°C for cooling and 20~24°C for heating) to save energy. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Be aware that the refrigerant inside the system is odourless. WARNING The appliance shall be stored in a room without continuously operating ignition sources (example: open flames, an operating gas appliance or an operating electric heater). FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Contact your dealer. 1 Clean with a soft cloth. If it is difficult to remove stains, use water or a neutral detergent. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
1 Push the tab at the centre of each air filter, then pull it down. 2 Pull out the air filters. 3 Remove the titanium apatite deodorising filter and silver particle filter from the tabs. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
It is recommended to clean the air filters every 2 weeks. 7.7 To clean the titanium apatite deodorising filter and the silver particle filter (Ag-ion filter) INFORMATION Clean the filter with water every 6 months. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
7.9 To close the front panel 1 Set the filters as they were. 2 Gently press the front panel at both sides and at the center until it clicks. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Maintenance costs shall be borne by the customer. In certain operating conditions the inside of the unit may get dirty after several seasons of use. This results in poor performance. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
▪ The air conditioner may stop operating after sudden large voltage fluctuations to protect the system. It automatically resumes operation after about 3 minutes. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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After checking all the items above, if it is impossible to fix the problem yourself, contact your installer and state the symptoms, the complete model name of the unit (with manufacturing number if possible) and the installation date. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Moisture generated by defrost becomes steam and exits. 8.1.8 Symptom: The units can give off odours The unit can absorb the smell of rooms, furniture, cigarettes, etc., and then emit it again. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Signal transmission error (between indoor and outdoor unit) Indoor/outdoor unit combination fault Indoor unit Error code Description Indoor unit PCB abnormality Freeze-up protection or high-pressure control Fan motor (DC motor) abnormality FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
(none of the LEDs on the interface. indoor unit display are blinking). ▪ Check if the power is on. ▪ Turn the unit off and back on again. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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▪ Measured temperature for other appliances may differ due to different condition around the unit (e.g. direct sunlight, frost accumulation…) ▪ Temperature displayed in ONECTA is only referential. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
Do NOT try to dismantle the system yourself: dismantling of the system, treatment of the refrigerant, oil and other parts MUST comply with applicable legislation. Units MUST be treated at a specialised treatment facility for reuse, recycling and recovery. FTXD25+35A5V1B User reference guide Daikin room air conditioner 4D520466-18N – 2024.05...
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Optional equipment Equipment made or approved by Daikin that can be combined with the product according to the instructions in the accompanying documentation. Field supply Equipment NOT made by Daikin that can be combined with the product according to the instructions in the accompanying documentation.
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