Daikin Stylish Series User Manual

Table of contents
Service manual
4
(C)(F)TXA15~50A(W)(S)(T) + (C)(F)TXA15~50B(B)(S)(T) + RXA42+50A +
RXA20~35A + RXA42+50B
Split Stylish R32
ESIE18-03C – 2020.02
Table of contents
1 Troubleshooting 7
1.1 To display the error code on the user interface ............................................................................................................ 7
1.2 To reset the error code via remote controller ............................................................................................................... 7
1.3 To reset the error code via outdoor unit ....................................................................................................................... 7
1.4 To perform a test run...................................................................................................................................................... 7
1.4.1 To perform a test run using the user interface ............................................................................................. 8
1.5 Error based troubleshooting........................................................................................................................................... 8
1.5.1 A1-00 – PCB abnormality ............................................................................................................................... 8
1.5.2 A5-00 – Freeze-up protection / heating peak cut control............................................................................. 9
1.5.3 A6-00 – Indoor unit fan motor abnormality .................................................................................................. 9
1.5.4 AH-00 – Streamer unit abnormality............................................................................................................... 10
1.5.5 C4-00 – Indoor heat exchanger thermistor abnormality .............................................................................. 10
1.5.6 C9-00 – Room thermistor abnormality.......................................................................................................... 11
1.5.7 CC-00 – Humidity sensor abnormality ........................................................................................................... 11
1.5.8 CE-00 – Intelligent thermal sensor abnormality............................................................................................ 11
1.5.9 E1-00 – Outdoor unit: PCB defect.................................................................................................................. 12
1.5.10 E3-00 – Outdoor unit: Actuation of high pressure switch............................................................................. 13
1.5.11 E5-00 – Outdoor unit: Overheat of inverter compressor motor................................................................... 14
1.5.12 E6-00 – Outdoor unit: Compressor startup defect........................................................................................ 15
1.5.13 E7-00 – Outdoor unit: Malfunction of outdoor unit fan motor .................................................................... 16
1.5.14 E8-00 – Outdoor unit: Power input overvoltage ........................................................................................... 16
1.5.15 EA-00 – Cooling/Heating switch abnormality ................................................................................................ 17
1.5.16 F3-00 – Outdoor unit: Malfunction of discharge pipe temperature............................................................. 18
1.5.17 F6-00 – Outdoor unit: Abnormal high pressure in cooling............................................................................ 18
1.5.18 F8-00 – System shutdown due to compressor internal temperature abnormality...................................... 19
1.5.19 H0-00 – Outdoor unit: Voltage/current sensor problem .............................................................................. 20
1.5.20 H3-00 – Outdoor unit: Malfunction of high pressure switch ........................................................................ 20
1.5.21 H6-00 – Outdoor unit: Malfunction of position detection sensor ................................................................ 21
1.5.22 H8-00 – Outdoor unit: Malfunction of compressor input system................................................................. 22
1.5.23 H9-00 – Outdoor unit: Malfunction of outdoor air thermistor ..................................................................... 23
1.5.24 J3-00 – Outdoor unit: Malfunction of discharge pipe thermistor................................................................. 23
1.5.25 J6-00 – Outdoor unit: Malfunction of heat exchanger thermistor ............................................................... 23
1.5.26 L3-00 – Outdoor unit: Electrical box temperature rise problem................................................................... 24
1.5.27 L4-00 – Outdoor unit: Malfunction of inverter radiating fin temperature rise ............................................ 25
1.5.28 L5-00 – Outdoor unit: Inverter instantaneous overcurrent .......................................................................... 25
1.5.29 P4-00 – Outdoor unit: Malfunction of radiating fin temperature sensor ..................................................... 26
1.5.30 U0-00 – Outdoor unit: Shortage of refrigerant ............................................................................................. 27
1.5.31 U2-00 – Outdoor unit: Defect of power supply voltage ................................................................................ 27
1.5.32 U4-00 – Indoor/outdoor unit communication problem................................................................................ 28
1.5.33 U5-00 – Transmission malfunction between indoor unit and remote controller ........................................ 29
1.5.34 UA-00 – Indoor unit, outdoor unit mismatching problem ............................................................................ 29
1.6 Symptom based troubleshooting ................................................................................................................................... 31
1.6.1 Operation does not start................................................................................................................................ 31
1.6.2 Operation sometimes stops ........................................................................................................................... 31
1.6.3 Operation starts but the unit does not cool/heat ......................................................................................... 32
1.6.4 Operating noise and vibrations...................................................................................................................... 33
1.6.5 Abnormal high pressure ................................................................................................................................. 34
1.6.6 Abnormal low pressure .................................................................................................................................. 35
1.6.7 Indoor fan starts operating but the compressor does not operate.............................................................. 36
1.6.8 Operation starts and the unit stops immediately.......................................................................................... 37
1.6.9 Operation stops, unit cannot start for a while .............................................................................................. 37
1.6.10 Unit discharges white mist ............................................................................................................................. 38
1.6.11 Humidifying problem...................................................................................................................................... 38
1.6.12 Swing flap does not operate .......................................................................................................................... 38
2 Components 39
2.1 4-way valve...................................................................................................................................................................... 39
2.1.1 Checking procedures...................................................................................................................................... 39
2.1.2 Repair procedures .......................................................................................................................................... 42
2.2 Compressor ..................................................................................................................................................................... 45
2.2.1 Checking procedures...................................................................................................................................... 45
2.2.2 Repair procedures .......................................................................................................................................... 50
2.3 Expansion valve............................................................................................................................................................... 54
2.3.1 Checking procedures...................................................................................................................................... 54
2.3.2 Repair procedures .......................................................................................................................................... 56

Daikin Stylish Series Specifications

General

Energy Efficiency	A+++ (depending on model)
Sound Pressure Level	19 dB(A) - 50 dB(A) (depending on model)
Sound Power Level (Heating)	32 dB(A) - 62 dB(A) (depending on model)
Noise Level (Indoor Unit)	19 dB(A) - 50 dB(A) (depending on model)
Refrigerant	R32
Power Supply	220-240 V, 50 Hz
Wi-Fi Control	Yes
Color	White
Features	3D Airflow