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Troubleshooting 

Troubleshooting 

Fault diagnosis by remote controller 

The remote controller can receive a corresponding error code from the indoor unit. 

1. When [cANcEL] is held down for 5 seconds, a" DD "indication blinks on the

temperature display section.

2. Press [CANCEL] repeatedly until a continuous beep is produced.

• The code indication changes as shown below, and notifies with a long beep.

CODE 

MEANING 

00 

NORMAL 

UA 

INDOOR-OUTDOOR UNIT COMBINATION FAULT 

SYSTEM 

uo 

REFRIGERANT SHORTAGE 

U2 

DROP VOLTAGE OR 

MAIN 

CIRCUIT OVERVOLTAGE 

U4 

FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT} 

A1 

INDOOR PCB DEFECTIVENESS 

A5 

FREEZE-UP PROTECTOR 

INDOOR 

A6 

FAN MOTOR FAULT 

UNIT 

C4 

FAULTY HEAT EXCHANGER TEMPERATURE SENSOR 

C9 

FAULTY SUCTION AIR TEMPERATURE SENSOR 

EA 

COOLING-HEATING SWITCHING ERROR 

E1 

CIRCUIT BOARD FAULT 

E5 

OL STARTED 

E6 

FAULTY COMPRESSOR START UP 

E7 

DC FAN MOTOR FAULT 

EB 

OVERCURRENT INPUT 

F3 

HIGH TEMPERATURE DISCHARGE PIPE CONTROL 

F6 

HIGH PRESSURE CONTROL (IN COOLING) 

OUTDOOR  UNIT 

HO 

SENSOR FAULT 

H6 

OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR 

H8 

DC CURRENT SENSOR FAULT 

H9 

FAULTY SUCTION AIR TEMPERATURE SENSOR 

J3 

FAULTY DISCHARGE PIPE TEMPERATURE SENSOR 

J6 

FAULTY HEAT EXCHANGER TEMPERATURE SENSOR 

L3 

ELECTRICAL PARTS HEAT FAULT 

L4 

HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK 

L5 

OUTPUT OVERCURRENT 

P4 

FAULTY INVERTER CIRCUIT HEATSINKTEMPERATURE SENSOR 

NOTE 

18 

• A short beep indicates non-corresponding codes.
• To cancel the code display, hold down (cANcaJ for 5 seconds.

The code display also cancels itself if the button is not pressed for 1  minute.

DAIKIN INDUSTRIES, LTD. 

Head office: 

Osaka Umeda Twin Towers South

1-13-1, 

Umeda

Kita-ku

,

 Osaka 530-0001

,

 Japan

Tokyo o

ff

ice: 

Y

aesu Central Tower

,

 Tokyo Midtown 

Y

aesu

,

 

2-2-1

,

 

Y

aesu

,

 Chuo-ku

,

 Tokyo

,

 104-0028

,

 Japan 

http://www.daikin.com 

Summary of Contents for FTXF50UV16V

Page 1: ...DAIKIN 3P665364 2U M21P077D DAIKIN ROOM AIR CONDITIONER OPERATION MANUAL l Ji MODELS FTHT35UV16W FTHT50UV16V FTHT60UV16U FTHP50UV16U FTXF50UV16V 3P665364 2U M21P077D...

Page 2: ...quality and or longevity of the object concerned Do not expose plants or animals directly to the airflow from the unit as this may cause adverse effects Do not place appliances that produce naked flam...

Page 3: ...ives signals from the remote controller When the unit receives a signal you will hear a beep sound Case Sound type Operation start beep beep Settings changed beep Operation stop long beep 12 Inverter...

Page 4: ...ONO button ECONO operation 10 COANDA button COANDA operation 11 TIMER CANCEL button Cancels the timer setting 12 ONTIMER button 13 OFFTIMER button 14 GOOD SLEEP DISPLAYbutton 15 DEW CLEAN button NOTE...

Page 5: ...The maximum transmission distance is about 7m To attach the accessory filters Set the accessory filters under the tabs of the filter frame on the indoor unit Filter type Micro filter PM2 5 When attac...

Page 6: ...erature will be 24 C Cool If set temperature 24 c Default set temperature will remain same as set prior to remote switched OFF Note Whenever AC is switched OFF in dry mode and is switched ON from remo...

Page 7: ...re starting the operation press t FANJ to set to Auto 2 Press MooE to select the DRY or COOL operation 3 Press t1 Air starts circulating about 1 minute after the operation is started However if the PO...

Page 8: ...ode 3 Press c sw aj and l G when the flap or louvres have reached the desired position In the 3 D airflow the flap and louvres move in turn ii or e disappears from the LCD Mode Operating conditions If...

Page 9: ...el POWERFUL operation POWERFUL 2 Press agam disappears from the LCD NOTE Notes on COANDA operation The flap position will change preventing air from blowing directly on the occupants of the room If th...

Page 10: ...Set temperature does not display when the unit is in DRY operation or FAN operation Inverter output and set temperature may not display depending on the operation mode that is active The display turn...

Page 11: ...set the timer again After a circuit breaker has turned off After a power failure After replacing batteries in the remote controller Notes on ECONO operation ECONO operation can only be set when the un...

Page 12: ...s button Dry mode OFF Cooling operation To cancel DEW CLEAN operation Turn OFF the machine from Remote Controller Wi Fi Control NOTE Note on LED 7 Segment Brightness Control Ld indicates for the brigh...

Page 13: ...shaft on one side Disconnect the front panel shaft on the other side in the same manner You can also remove the front panel by pushing it open until the front panel shaft is disconnected 3 Clean the...

Page 14: ...e off easily wash them with neutral detergent thinned with lukewarm water then dry them up in the shade Be sure to remove the accessory filter optional part It is recommendedto clean the air filters e...

Page 15: ...ilter contact the service shop where you bought the air conditioner Dispose of the old filter as non flammable waste Dispose of the old filter frame in accordance with your local waste sorting procedu...

Page 16: ...efrosting operation hot air does not flow out of the indoor unit The flap does not start swinging The air conditioner is adjusting the position of the flap The flap will start immediately moving soon...

Page 17: ...a repair person Case Explanation The air conditioner does not Has a circuit breaker turned off or a fuse blown operate Is it a power failure OPERATION lamp is off Are batteries set in the remote contr...

Page 18: ...air conditioner automatically resumes operation in about 3 minutes You should just wait for a while If there is a risk lightning could strike in the neighbourhood stop operation and turn off the circu...

Page 19: ...CIRCUIT BOARD FAULT E5 OL STARTED E6 FAULTY COMPRESSOR START UP E7 DC FAN MOTOR FAULT EB OVERCURRENT INPUT F3 HIGH TEMPERATURE DISCHARGE PIPE CONTROL F6 HIGH PRESSURE CONTROL IN COOLING OUTDOOR UNIT H...

Page 20: ......

Page 21: ...3P665364 2U M21P076D DAIKIN ROOM AIR CONDITIONER INSTALLATION MANUAL r MODELS FTHT35UV16W FTHT50UV16V FTHT60UV16U FTHP50UV16U J o I P 8 1 E C JNVERTER 3P665364 2U M21P076D...

Page 22: ...nt gas leaks during installation ventilate the area immediately 0 Toxic gas may be produced if the refrigerant comes into contact with fire After completing installation check for refrigerant gas leak...

Page 23: ...he unit may cause interference with the picture or sound 9 the unit can be installed at the recommended height 1 8m 10 no laundry equipment is nearby fflGi l li11 114 The outdoor unit should be positi...

Page 24: ...5 885 116 5 116 5 906 127 127 5 Drain hose position Place the pipe port cover in this pocket Liquid pipe end Unit size available on name plate Table No 2 Through the wall hole j 6Smm t 1o 1100 610 Liq...

Page 25: ...ndoor unit to the A mounting plate with the E indoor unit fixing screws M4 x 12L 10 Caulk thegap between the pipe and the front grillewith putty 11 After completing refrigerant piping wiring and drain...

Page 26: ...the unit it WARNING ____________________________________1_a1J_1 _N_ _ 4 Use a stabiliser if required by the voltage supply condition Do not use tapped wires extension cords or starburst connections as...

Page 27: ...pipe cover Slit 1111q11111J Slit Vinyl tape This illustration shows the case of the left rear piping Sectional view wire Insulation tape Ventilation hose n tape Wrap the heat insulation tape around al...

Page 28: ...length is 3m in order to avoid noise from the outdoor unit and vibration Mechanical noise and vibration may occur depending on how the unit is installed and the environment in which it is used Dimensi...

Page 29: ...s I When there is no work space because the unit is close to ceiling CAUTION 1 Push up Be sure to wear protection gloves Place both hands under the centre of the front grille and while pushing up pull...

Page 30: ...m 21 6 27 4N m O D 9 5mm 333 407 kgf cm 220 280 kgf cm Gas side I 0 D 12 7mm 49 5 60 3N m 48 1 59 7N m 505 615 kgf cm O D 15 9mm 61 8 75 4N m 490 61O kgf cm 10 8 14 7N m 110 150 kgf cm 630 770 kgf cm...

Page 31: ...as stopvalve sservice port thenfullyopenliquidand gas stopvalves Do not attempt to turn valve rod beyond its stop 8 Tighten valve caps and service port caps for the liquid and gas stop valves with a t...

Page 32: ...installed securely Fall vibration noise No refrigerant gas leaks Incomplete cooling function Refrigerant gas and liquid pipes and indoor drain hose Water leakage extension are thermally insulated Dra...

Page 33: ...020 Meaning of E waste under E Waste Management Rules 2022 E waste Rules Waste electrical and electronic equipment whole or in part of reject from their manufacturing and repair process which are inte...

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