Daikin CTXA15A2V1BW User Reference Manual Download

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Troubleshooting

User reference guide

FTXA25~50(A)(B)2V1B(W)(S)(T)(B)

Daikin room air conditioner

4P518786-1F – 2020.05

System

Error code

Description

Normal

Refrigerant shortage

Overvoltage detection

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

Streamer unit error

Indoor heat exchanger thermistor abnormality

Opening or closing front panel error

Room temperature thermistor abnormality

Humidity sensor error

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 CTXA15A2V1BW

Page 1: ...A42A2V1BW FTXA50A2V1BW CTXA15 A B 2V1BS FTXA20 A B 2V1BS FTXA25 A B 2V1BS FTXA35 A B 2V1BS FTXA42 A B 2V1BS FTXA50 A B 2V1BS CTXA15 A B 2V1BT FTXA20 A B 2V1BT FTXA25 A B 2V1BT FTXA35 A B 2V1BT FTXA42...

Page 2: ...rflow rate 21 5 5 Airflow direction 21 5 5 1 To adjust vertical airflow direction 22 5 5 2 To adjust horizontal airflow direction 22 5 5 3 To use 3 D airflow direction 22 5 6 Comfort airflow and Intel...

Page 3: ...10 To remove the front panel 44 7 11 To take following items into account before a long idle period 44 8 Troubleshooting 46 8 1 Symptoms that are NOT system malfunctions 48 8 1 1 Symptom A sound like...

Page 4: ...ler 1 1 1 Meaning of warnings and symbols DANGER Indicates a situation that results in death or serious injury DANGER RISK OF ELECTROCUTION Indicates a situation that could result in electrocution DAN...

Page 5: ...er 1 Indicates a table title or a reference to it Example 1 3 Table title means Table 3 in chapter 1 1 2 For the user WARNING If you are NOT sure how to operate the unit contact your installer WARNING...

Page 6: ...a specialized treatment facility for reuse recycling and recovery By ensuring this product is disposed of correctly you will help to prevent potential negative consequences for the environment and hu...

Page 7: ...oor unit Operation manual Quick guide for basic usage Format Paper in the box of the indoor unit User reference guide Detailed step by step instructions and background information for basic and advanc...

Page 8: ...room air conditioner 4P518786 1F 2020 05 Chapter Description Energy saving and optimum operation How to save energy Maintenance and service How to maintain and service the unit Troubleshooting What to...

Page 9: ...s rotating at high speed it will cause injury INFORMATION The sound pressure level is less than 70 dBA WARNING Do not modify disassemble remove reinstall or repair the unit yourself as incorrect disma...

Page 10: ...top operation When operation is started using this button the following settings are used Operation mode Automatic Temperature setting 25 C Airflow rate Automatic 3 2 About the user interface Direct s...

Page 11: ...utton g Comfort airflow and Intelligent eye operation button h Select button i Clock and open panel push 2 seconds button j OFF ON timer operation buttons k Weekly timer operation buttons l Flash Stre...

Page 12: ...ive The indoor unit receives a signal from the user interface Current temperature setting Airflow rate Automatic Airflow rate Indoor unit quiet Airflow rate High Airflow rate Medium high Airflow rate...

Page 13: ...re no obstacles within 500 mm under the signal receiver They may influence reception performance of the user interface 1 Aim the signal transmitter at the signal receiver on the indoor unit maximum di...

Page 14: ...user interface Setting the brightness of the user interface display Setting the clock Setting the indoor unit position Turning on the power supply 4 2 To fix the user interface to the wall c b a 2 a...

Page 15: ...timer OFF timer and weekly timer will NOT operate correctly The clock must be set again After a circuit breaker has turned the unit OFF After a power failure After replacing batteries in the user int...

Page 16: ...ing 2 Press 3 Press or to change the setting as follows is blinking Brightness is High Low Off 4 To confirm the selected setting press Result The brightness setting is changed Note The display automat...

Page 17: ...Result The menu appears on the display blinks 3 Press to select the menu Result blinks 4 Press or to change the setting as follows If the unit is Symbol Blinks Result In the middle of the wall factor...

Page 18: ...ystem if the unit 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 ta...

Page 19: ...y timer To automatically turn ON or OFF the system on a weekly basis Additional features Wireless LAN connection To operate the unit using smart appliances 5 3 Operation mode and temperature setpoint...

Page 20: ...the temperature Unit is operating Operation mode Automatic Operation mode Drying Operation mode Cooling Operation mode Heating Operation mode Fan only Shows the set temperature 1 Press one or more ti...

Page 21: ...tion It does so by moving horizontal blades flaps or vertical blades louvers Setting Airflow direction Vertical automatic swing Moves up and down Horizontal automatic swing Moves from side to side 3 D...

Page 22: ...on of the louvers should be facing away from the wall Efficiency will drop if a wall blocks the air 5 5 3 To use 3 D airflow direction 1 Press and Result and appear on the LCD The flaps horizontal bla...

Page 23: ...o turn ON OFF vertical airflow function 423 If the Vertical airflow function is deactivated the airflow will be set to downward direction INFORMATION Powerful and Comfort airflow operation CANNOT be u...

Page 24: ...ye sensor Doing so may lead to malfunction Do NOT place large objects near the Intelligent eye sensor INFORMATION Powerful or Night set operation CANNOT be used at the same time with Intelligent eye o...

Page 25: ...set mode Mode Airflow rate Cooling Heating Automatic To maximize the cooling heating effect the capacity of outdoor unit is increased The airflow rate is fixed to the maximum setting and CANNOT be ch...

Page 26: ...peration Outdoor unit quiet operation limits the rotation speed of the compressor If the rotation speed of compressor is already low Outdoor unit quiet operation will NOT further reduce the compressor...

Page 27: ...for automatically switching the air conditioner on off at night or in the morning You can also use OFF timer and ON timer in combination INFORMATION Program the timer again in case of A breaker has t...

Page 28: ...the day of the week disappear from the LCD 2 Press or to change the time setting 3 Press again Result and the set time are displayed on the LCD The timer lamp lights up INFORMATION Each time or is pr...

Page 29: ...ch day Note Be sure to aim the user interface at the indoor unit and check for a receiving tone when setting the Weekly timer operation INFORMATION The clock MUST be set correctly before using any tim...

Page 30: ...ress or to select the desired temperature Note The set temperature for the weekly timer is displayed only when setting the weekly timer mode INFORMATION The temperature can be set between 10 32 C on t...

Page 31: ...the selected day and the timer lamp lights orange Note To copy to another day repeat the procedure 6 Press to complete the setting Result is displayed on the LCD Note To change the reservation settin...

Page 32: ...ss Result The selected reservation is deleted 6 Press to exit Result Remaining reservations will be active To delete a reservation for each day of the week Use this function if you want to delete all...

Page 33: ...mmunications 5 12 2 To install the Daikin Online Controller application 1 Open Google Play for appliances using Android App Store for appliances using iOS 2 Search for Daikin Online Controller 3 Follo...

Page 34: ...set 6 Press to exit the menu Result The display will return to the default screen To connect the wireless adapter to your home network The wireless adapter can be connected to your home network using...

Page 35: ...ler application and follow the steps on the screen Result Wireless adapter mode will automatically change from the AP mode to the RUN mode the timer LED is blinking 7 Press to exit the menu Result The...

Page 36: ...ch 1 Press the wireless adapter ON OFF switch Result The wireless adapter communication is OFF Note Press the ON OFF switch again to turn on the wireless adapter To use the user interface 1 Hold for a...

Page 37: ...ns 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 the doo...

Page 38: ...guide 38 CTXA15 FTXA25 50 A B 2V1B W S T B Daikin room air conditioner 4P518786 1F 2020 05 Avoid direct air flow to room inhabitants Operate the system within the recommended temperature range 26 28...

Page 39: ...er a heater or a cooker this may result in fire or the formation of a harmful gas Turn off any combustible heating devices ventilate the room and contact the dealer where you purchased the unit Do NOT...

Page 40: ...n the indoor unit and user interface NOTICE Do NOT use gasoline benzene thinner polishing powder or liquid insecticide Possible consequence Discoloration and deformation Do NOT use water or air of 40...

Page 41: ...on the back of the front panel 5 Open the front panel until the support fits into the fixing tab a d c b a Lock 1 on each side b Backside of the front panel c Fixing tab d Support INFORMATION If you...

Page 42: ...r about 10 to 15 minutes INFORMATION If the dust does NOT come off easily wash the air filters with a neutral detergent diluted in lukewarm water Dry the air filters in the shade Be sure to remove the...

Page 43: ...apatite deodorizing filter and the silver particle filter Ag ion filter INFORMATION Replace the filter every 3 years 1 Remove the tabs on the filter frame and replace the filter with a new one INFORMA...

Page 44: ...ide a a a Panel lock 3 Push the right arm lightly to the right to disconnect the shaft from the shaft slot on the right side a c b a Arm b Shaft c Shaft slot 4 Disconnect the front panel shaft from th...

Page 45: ...d replace them in their original position 5 Remove the batteries from the user interface INFORMATION It is recommended to have periodical maintenance performed by a specialist For specialist maintenan...

Page 46: ...r the above mentioned cases and none of the above mentioned malfunctions is evident investigate the system in accordance with the following procedures Malfunction Measure If the system does NOT operat...

Page 47: ...e doors and windows to prevent wind from coming in Check if the unit operates in Econo or Outdoor unit quiet operation Refer to 5 8 Econo and Outdoor unit quiet operation 425 Check if there is any fur...

Page 48: ...ssible 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 possibly listed on...

Page 49: ...r system protection 8 2 Solving problems based on error codes If the unit runs into a problem the user interface displays an error code It is important to understand the problem and to take measures b...

Page 50: ...panel error Room temperature thermistor abnormality Humidity sensor error Outdoor unit Error code Description 4 way valve abnormality Outdoor unit PCB abnormality Overload activation compressor overlo...

Page 51: ...he smart device is connected to the same wireless network as the WLAN adapter Try resetting to the factory default and repeat the setting See To reset the connection setting to the factory default 435...

Page 52: ...oner 4P518786 1F 2020 05 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 legislatio...

Page 53: ...quired 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 man...

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