Daikin FTXF50D2V1B Page 36 User Reference Manual Download

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Troubleshooting

User reference guide

FTXF50~7 FTXF50~71A2V1B

Daikin room air conditioner

4P513685-9E – 2021.07

Error code

Description

Indoor heat exchanger thermistor abnormality

Room temperature thermistor abnormality

Outdoor unit

Error code

Description

4-way valve abnormality

Outdoor unit PCB abnormality

Overload activation (compressor overload)

Compressor lock

DC fan lock

Input power overcurrent

Discharge pipe temperature control

High-pressure control (in cooling mode)

Compressor system sensor abnormality

Position sensor abnormality

DC voltage / current sensor abnormality

Outdoor temperature thermistor abnormality

Discharge pipe thermistor abnormality

Outdoor heat exchanger thermistor abnormality

Electrical parts heat error

Radiation fin temperature rise

Inverter instantaneous overcurrent (DC)

Radiation fin thermistor abnormality

Compressor internal temperature error

Summary of Contents for FTXF50D2V1B

Page 1: ...User reference guide Daikin room air conditioner FTXF50D2V1B FTXF60D2V1B FTXF71D2V1B FTXF50A2V1B FTXF60A2V1B FTXF71A2V1B...

Page 2: ...rflow operation 21 5 7 Powerful operation 22 5 7 1 To start stop Powerful operation 22 5 8 Econo operation 22 5 8 1 To start stop Econo operation 23 5 9 OFF ON timer operation 23 5 9 1 To start stop O...

Page 3: ...Table of contents User reference guide 3 FTXF50 71D2V1B FTXF50 71A2V1B Daikin room air conditioner 4P513685 9E 2021 07 9 Disposal 37 10 Glossary 38...

Page 4: ...by lay persons Documentation set This document is part of a documentation set The complete set consists of General safety precautions Safety instructions that you must read before operating your syst...

Page 5: ...tes a situation that could result in equipment or property damage INFORMATION Indicates useful tips or additional information Symbols used on the unit Symbol Explanation Before installation read the i...

Page 6: ...duced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the ha...

Page 7: ...onment and human health For more information contact your installer or local authority Batteries are marked with the following symbol This means that the batteries may NOT be mixed with unsorted house...

Page 8: ...esent Always have qualified service personnel confirm that the point of leakage has been repaired or corrected before resuming operation CAUTION ALWAYS use a user interface to adjust the angle of the...

Page 9: ...leaning materials or means to accelerate the defrosting process other than those recommended by the manufacturer Be aware that the refrigerant inside the system is odourless WARNING The appliance shal...

Page 10: ...r leakage Splashed detergent on electric components such as motors may cause failure smoke or ignition DANGER RISK OF ELECTROCUTION Before cleaning be sure to stop the operation turn the breaker OFF o...

Page 11: ...The sound pressure level is less than 70 dBA WARNING Do NOT modify disassemble remove reinstall or repair the unit yourself as incorrect dismantling or installation may cause an electrical shock or fi...

Page 12: ...re used Operation mode Automatic Temperature setting 25 C Airflow rate Automatic 3 2 About the user interface Direct sunlight Do NOT expose the user interface to direct sunlight Dust Dust on the signa...

Page 13: ...ting button e Temperature adjustment button f Swing button g Timer cancel button h ON timer button i OFF timer button j Comfort airflow button k Econo button l Mode selector button m Powerful button 3...

Page 14: ...high Airflow rate Medium Airflow rate Medium low Airflow rate Low Comfort operation is active Auto vertical swing is active ON timer is active OFF timer is active 3 2 3 To operate the user interface a...

Page 15: ...ies in the user interface Fixing the user interface to the wall Turning on the power supply 4 2 To insert the batteries The batteries will last for about 1 year 1 Remove the back cover 2 Insert both b...

Page 16: ...guide 16 FTXF50 71D2V1B FTXF50 71A2V1B Daikin room air conditioner 4P513685 9E 2021 07 4 4 To turn on the power supply 1 Turn the circuit breaker on Result The flap of the indoor unit will open and cl...

Page 17: ...runs outside its operation range b Condensation and water dripping might occur if the unit runs outside its operation range 5 2 When to use which feature You can use the following table to determine...

Page 18: ...atic The system cools down or heats up a room to the temperature setpoint It automatically switches between cooling and heating if necessary Drying The system decreases the humidity in a room Heating...

Page 19: ...operation lamp lights up 3 Press or on the button one or more times to lower or raise the temperature Note When using drying or fan only mode you cannot adjust the temperature 4 Press to stop operatio...

Page 20: ...blades Setting Airflow direction Vertical auto swing Moves up and down Stays in a fixed position CAUTION ALWAYS use a user interface to adjust the angle of the flap When the flap is swinging and you m...

Page 21: ...ooling operation mode It will provide a comfortable wind that will NOT come in direct contact with people The system automatically sets the fixed airflow position upward in Cooling and downward in Hea...

Page 22: ...imum setting INFORMATION Powerful operation CANNOT be used together with Econo and Comfort airflow operation The last selected function takes priority Powerful operation will NOT increase the capacity...

Page 23: ...Maximum during normal operation b Maximum during Econo operation c Normal operation d Econo operation The diagram is for illustrative purposes only The maximum running current and power consumption of...

Page 24: ...tically adjusts the temperature setting 0 5 C up in cooling 2 0 C down in heating to prevent excessive cooling heating and ensure a comfortable sleeping temperature 5 9 2 To start stop ON timer operat...

Page 25: ...g curtains or blinds Make sure the area is well ventilated Do NOT block any ventilation openings Ventilate often Extended use requires special attention to ventilation Keep doors and windows closed If...

Page 26: ...peration User reference guide 26 FTXF50 71D2V1B FTXF50 71A2V1B Daikin room air conditioner 4P513685 9E 2021 07 Operate the system within the recommended temperature range 26 28 C for cooling and 20 24...

Page 27: ...n of a harmful gas Turn off any combustible heating devices ventilate the room and contact the dealer where you purchased the unit Do NOT use the unit until a service person confirms that the part fro...

Page 28: ...user interface WARNING Improper detergents or cleaning procedure may cause damage on plastic components or water leakage Splashed detergent on electric components such as motors may cause failure smo...

Page 29: ...rgent 7 4 To open the front panel 1 Hold the front panel by the panel tabs on both sides and open it 7 5 About the air filters Operating the unit with dirty filters means that the filter CANNOT deodor...

Page 30: ...ade It is recommended to clean the air filters every 2 weeks 7 7 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...

Page 31: ...021 07 INFORMATION It is recommended to have periodical maintenance performed by a specialist For specialist maintenance contact your dealer Maintenance costs shall be borne by the customer In certain...

Page 32: ...he user interface To display the error code see 8 2 Solving problems based on error codes 435 Notify your installer and report the error code If the system does NOT operate properly except for the abo...

Page 33: ...rom coming in Check if the unit operates in Econo operation Refer to 5 8 Econo operation 422 Check if there is any furniture directly under or next to the indoor unit Move the furniture An abnormal fu...

Page 34: ...licking sound during operation or idle time is heard This sound is generated when the refrigerant control valves or electrical parts operate 8 1 6 Symptom A clapping sound is heard This sound is gener...

Page 35: ...ocal dealer INFORMATION See the service manual for The complete list of error codes A more detailed troubleshooting guideline for each error To check the error code by the user interface 1 Aim the use...

Page 36: ...essor overload Compressor lock DC fan lock Input power overcurrent Discharge pipe temperature control High pressure control in cooling mode Compressor system sensor abnormality Position sensor abnorma...

Page 37: ...er 4P513685 9E 2021 07 9 Disposal NOTICE 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...

Page 38: ...ired service to the product Installation manual Instruction manual specified for a certain product or application explaining how to install configure and maintain it Operation manual Instruction manua...

Page 39: ......

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