Daikin FTXA42AW - User Manual

Service manual
Split Stylish R32
FTXA20A(W)(S)(T)
FTXA20B(B)(S)(T)
FTXA25A(W)(S)(T)
FTXA25B(B)(S)(T)
FTXA35A(W)(S)(T)
FTXA35B(B)(S)(T)
FTXA42A(W)(S)(T)
FTXA42B(B)(S)(T)
FTXA50A(W)(S)(T)
FTXA50B(B)(S)(T)
RXA42A
RXA50A
RXA20A(9)
RXA25A(9)
RXA35A(9)
RXA42B
RXA50B

Summary

Components

4-way valve

Compressor

Expansion valve

Front panel motor

High pressure switch

Humidity sensor

Indoor unit fan motor

Indoor unit main PCB

Indoor unit power PCB

Intelligent thermal sensor

Inverter PCB

Main PCB

Outdoor unit fan motor

Reactor

Streamer unit

Swing flap motor

Swing raster motor

Thermistors

Wifi control PCB

Troubleshooting

1.5 Error based troubleshooting

1.5.1 A1-00 - PCB abnormality

Troubleshooting steps for PCB abnormality error code A1-00.

1.5.2 A5-00 - Outdoor unit: High pressure peak cut; freeze protection problem

Troubleshooting for high pressure/freeze protection errors (A5-00).

1.5.3 A6-00 - Indoor unit fan motor abnormality

Troubleshooting for indoor fan motor errors (A6-00).

1.5.4 AH-00 - Streamer unit abnormality

1.5.5 C4-00 - Heat exchanger temperature sensor problem

Troubleshooting for heat exchanger sensor errors (C4-00).

1.5.6 C9-00 - Room thermistor abnormality

Troubleshooting for room thermistor errors (C9-00).

1.5.7 CC-00 - Humidity sensor abnormality

Troubleshooting for humidity sensor errors (CC-00).

1.5.8 CE-00 - Intelligent thermal sensor abnormality

1.5.9 E1-00 - Outdoor unit: PCB defect

Troubleshooting for outdoor unit PCB defect errors (E1-00).

1.5.10 E3-00 - Outdoor unit: Actuation of high pressure switch

Troubleshooting for high pressure switch actuation errors (E3-00).

1.5.11 E5-00 - Outdoor unit: Overheat of inverter compressor motor

Troubleshooting for compressor overheat errors (E5-00).

1.5.12 E6-00 - Outdoor unit: Compressor startup defect

Troubleshooting for compressor startup defects (E6-00).

1.5.13 E7-00 - Outdoor unit: Malfunction of outdoor unit fan motor

Troubleshooting for outdoor fan motor malfunction errors (E7-00).

1.5.14 E8-00 - Outdoor unit: Power input overvoltage

Troubleshooting for power input overvoltage errors (E8-00).

1.5.15 EA-00 - Outdoor unit: Cool;heat switchover problem

Troubleshooting for cool/heat switchover problems (EA-00).

1.5.16 F3-00 - Outdoor unit: Malfunction of discharge pipe temperature

Troubleshooting for discharge pipe temperature errors (F3-00).

1.5.17 F6-00 - Outdoor unit: Abnormal high pressure in cooling

Troubleshooting for abnormal high pressure in cooling (F6-00).

1.5.18 F8-00 - System shutdown due to compressor internal temperature abnormality

Troubleshooting for system shutdown due to compressor temp issues (F8-00).

1.5.19 H0-00 - Outdoor unit: Voltage;current sensor problem

Troubleshooting for voltage/current sensor problems (H0-00).

1.5.20 H3-00 - Outdoor unit: Malfunction of high pressure switch

Troubleshooting for high pressure switch malfunction errors (H3-00).

1.5.21 H6-00 - Outdoor unit: Malfunction of position detection sensor

Troubleshooting for position detection sensor errors (H6-00).

1.5.22 H8-00 - Outdoor unit: Malfunction of compressor input system

Troubleshooting for compressor input system errors (H8-00).

1.5.23 H9-00 - Outdoor unit: Malfunction of outdoor air thermistor

Troubleshooting for outdoor air thermistor errors (H9-00).

1.5.24 J3-00 - Outdoor unit: Malfunction of discharge pipe thermistor

Troubleshooting for discharge pipe thermistor errors (J3-00).

1.5.25 J6-00 - Outdoor unit: Malfunction of heat exchanger thermistor

Troubleshooting for heat exchanger thermistor errors (J6-00).

1.5.26 L3-00 - Outdoor unit: Electrical box temperature rise problem

Troubleshooting for electrical box temp rise issues (L3-00).

1.5.27 L4-00 - Outdoor unit: Malfunction of inverter radiating fin temperature rise

Troubleshooting for inverter fin temp rise errors (L4-00).

1.5.28 L5-00 - Outdoor unit: Inverter instantaneous overcurrent

Troubleshooting for inverter overcurrent errors (L5-00).

1.5.29 P4-00 - Outdoor unit: Malfunction of radiating fin temperature sensor

Troubleshooting for radiating fin sensor errors (P4-00).

1.5.30 U0-00 - Outdoor unit: Shortage of refrigerant

Troubleshooting for refrigerant shortage errors (U0-00).

1.5.31 U2-00 - Outdoor unit: Defect of power supply voltage

Troubleshooting for power supply voltage defects (U2-00).

1.5.32 U4-00 - Indoor;outdoor unit communication problem

Troubleshooting for communication problems (U4-00).

1.5.33 U5-00 - User interface communication problem

Troubleshooting for user interface communication issues (U5-00).

1.5.34 UA-00 - Indoor unit, outdoor unit mismatching problem

Troubleshooting for unit mismatching problems (UA-00).

1.6 Symptom based troubleshooting

1.6.1 Operation does not start

1.6.2 Operation sometimes stops

1.6.3 Operation starts but the unit does not cool;heat

1.6.4 Operating noise and vibrations

1.6.5 Abnormal high pressure

1.6.6 Abnormal low pressure

1.6.7 Indoor fan starts operating but the compressor does not operate

1.6.8 Operation starts and the unit stops immediately

1.6.9 Operation stops, unit cannot start for a while

Daikin FTXA42AW Specifications

General

Current (cooling)	4.9 A
Current (heating)	6 A
Design load (cooling)	4.2 kW
Power consumption (standby)	0.5 W
Annual energy consumption (cooling)	196 kWh
Hourly energy consumption (cooling)	- kWh
Design load (heating) (Warmer heating season)	- kW
Design load (heating) (Average heating season)	5.4 kW
Energy efficiency class (heating) (Warmer heating season)	A+++
Energy efficiency class (heating) (Average heating season)	A++
Annual energy consumption (heating) (Warmer heating season)	508 kWh
Annual energy consumption (heating) (Average heating season)	1150 kWh
Type	Air conditioner indoor unit
Multi-split	-
Product color	White
Inverter technology	Yes
Refrigerating medium	R32
Cooling capacity (max)	17100 BTU/h
Cooling capacity (min)	5800 BTU/h
Heating capacity (max)	20500 BTU/h
Air conditioner functions	Circulation, Cooling, Dehumidifying, Fan, Heating
Cooling capacity in watts (max)	5000 W
Cooling capacity in watts (min)	1700 W
Heating capacity in watts (max)	6000 W
Cooling capacity in watts (nominal)	4200 W
Cooling energy efficiency (EER, W/W)	3.99
Heating energy efficiency (COP, W/W)	4.12
Seasonal efficiency rating (cooling) (SEER)	7.5
Heating capacity in watts (nominal) (Warmer heating season)	- W
Heating capacity in watts (nominal) (Average heating season)	5400 W
Seasonal efficiency rating (heating) (SCOP) (Warmer heating season)	5.93
Seasonal efficiency rating (heating) (SCOP) (Average heating season)	4.6
Indoor unit type	Wall-mountable
Indoor units quantity	1
Indoor unit noise level (high speed)	60 dB
Outdoor unit noise level	- dB