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Stylish Series
Daikin Stylish Series User Manual
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Service manual
Split Stylish R32
CTXA15A(W)(S)(T)
CTXA15B(B)(S)(T)
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
RXA25A
RXA35A
RXA42B
RXA50B
2
Table of Contents
Default Chapter
4
Table of Contents
4
1 Troubleshooting
7
To Display the Error Code on the User Interface
7
To Reset the Error Code Via Remote Controller
7
To Reset the Error Code Via Outdoor Unit
7
To Perform a Test Run
7
To Perform a Test Run Using the User Interface
8
Error Based Troubleshooting
8
A1-00 - PCB Abnormality
8
A5-00 - Freeze-Up Protection / Heating Peak Cut Control
9
A6-00 - Indoor Unit Fan Motor Abnormality
9
Streamer Unit Abnormality
10
C4-00 - Indoor Heat Exchanger Thermistor Abnormality
10
C9-00 - Room Thermistor Abnormality
11
Humidity Sensor Abnormality
11
Intelligent Thermal Sensor Abnormality
11
E1-00 - Outdoor Unit: PCB Defect
12
E3-00 - Outdoor Unit: Actuation of High Pressure Switch
13
E5-00 - Outdoor Unit: Overheat of Inverter Compressor Motor
14
E6-00 - Outdoor Unit: Compressor Startup Defect
15
E7-00 - Outdoor Unit: Malfunction of Outdoor Unit Fan Motor
16
E8-00 - Outdoor Unit: Power Input Overvoltage
16
Cooling/Heating Switch Abnormality
17
F3-00 - Outdoor Unit: Malfunction of Discharge Pipe Temperature
18
F6-00 - Outdoor Unit: Abnormal High Pressure in Cooling
18
F8-00 - System Shutdown Due to Compressor Internal Temperature Abnormality
19
H0-00 - Outdoor Unit: Voltage/Current Sensor Problem
20
H3-00 - Outdoor Unit: Malfunction of High Pressure Switch
20
H6-00 - Outdoor Unit: Malfunction of Position Detection Sensor
21
H8-00 - Outdoor Unit: Malfunction of Compressor Input System
22
H9-00 - Outdoor Unit: Malfunction of Outdoor Air Thermistor
23
J3-00 - Outdoor Unit: Malfunction of Discharge Pipe Thermistor
23
J6-00 - Outdoor Unit: Malfunction of Heat Exchanger Thermistor
23
L3-00 - Outdoor Unit: Electrical Box Temperature Rise Problem
24
L4-00 - Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise
25
L5-00 - Outdoor Unit: Inverter Instantaneous Overcurrent
25
P4-00 - Outdoor Unit: Malfunction of Radiating Fin Temperature Sensor
26
U0-00 - Outdoor Unit: Shortage of Refrigerant
27
U2-00 - Outdoor Unit: Defect of Power Supply Voltage
27
U4-00 - Indoor/Outdoor Unit Communication Problem
28
U5-00 - Transmission Malfunction between Indoor Unit and Remote Controller
29
Indoor Unit, Outdoor Unit Mismatching Problem
29
Symptom Based Troubleshooting
31
Operation Does Not Start
31
Operation Sometimes Stops
31
Operation Starts but the Unit Does Not Cool/Heat
32
Operating Noise and Vibrations
33
Abnormal High Pressure
34
Abnormal Low Pressure
35
Indoor Fan Starts Operating but the Compressor Does Not Operate
36
Operation Starts and the Unit Stops Immediately
37
Operation Stops, Unit Cannot Start for a While
37
Unit Discharges White Mist
38
Humidifying Problem
38
Swing Flap Does Not Operate
38
2 Components
39
4-Way Valve
39
Checking Procedures
39
Repair Procedures
42
Compressor
45
Checking Procedures
45
Repair Procedures
50
Expansion Valve
54
Checking Procedures
54
Repair Procedures
56
Front Panel Motor
61
Checking Procedures
61
Repair Procedures
62
High Pressure Switch
63
Checking Procedures
63
Repair Procedures
64
Humidity Sensor
66
Checking Procedures
66
Repair Procedures
66
Indoor Unit Fan Motor
68
Checking Procedures
68
Repair Procedures
68
Indoor Unit PCB
71
Checking Procedures
71
Repair Procedures
74
Intelligent Thermal Sensor
78
Checking Procedures
78
Repair Procedures
78
Inverter PCB
79
Checking Procedures
79
Repair Procedures
81
Main PCB
81
Checking Procedures
81
Repair Procedures
85
Outdoor Unit Fan Motor
89
RXA20~35A3+5 Units
89
RXA20~35A2 + Class 42~50 Units
93
Plate Work
99
Outdoor Unit
99
Indoor Unit
105
Reactor
109
Checking Procedures
109
Repair Procedures
110
Streamer Unit
112
Checking Procedures
112
Repair Procedures
112
Swing Flap Motor
113
Main Swing Flap Motor
113
Secondary Swing Flap Motor
116
Swing Raster Motor
118
Checking Procedures
118
Repair Procedures
119
Thermistors
119
Refrigerant Side Thermistors
119
Other Thermistors
125
Wifi Control PCB
129
Checking Procedures
129
Repair Procedures
129
3 Third Party Components
131
Electrical Circuit
131
Checking Procedures
131
Repair Procedures
132
Refrigerant Circuit
133
Checking Procedures
133
Repair Procedures
137
External Factors
140
Checking Procedures
140
Repair Procedures
141
4 Maintenance
142
To Clean the Outdoor Unit Heat Exchanger
142
To Clean the Indoor Unit Heat Exchanger
142
To Clean the Air Filters
142
5 Technical Data
144
Detailed Information Setting Mode
144
Detailed Information Setting Mode: Indoor Unit
144
Detailed Information Setting Mode: Outdoor Unit
144
Detailed Information Setting Mode: Remote Controller
144
Wiring Diagram
145
Wiring Diagram: Indoor Unit
145
Wiring Diagram: Outdoor Unit
147
Piping Diagram
151
Piping Diagram: Indoor Unit
151
Piping Diagram: Outdoor Unit
152
Component Overview
155
Component Overview: Indoor Unit
155
Component Overview: Outdoor Unit
157
Field Information Report
160
Service Tools
163
Field Settings
164
To Control Heating Only Mode
164
To Adjust Target Set Temperature in Heating Operation
164
To Control the Indoor Unit Fan During Thermostat off in Cooling
165
To Change Auto Restart on to off
165
To Control Cooling Mode Only
165
5
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Daikin Stylish Series Specifications
General
Brand
Daikin
Model
Stylish Series
Category
Air Conditioner
Language
English
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