Table Of Contents - Daikin Comfora XP Series Service Manual

Split

Table of Contents

Service manual

Table of contents

1.1

Meaning of warnings and symbols.................................................................................................................................

1.2

Dangers ...........................................................................................................................................................................

1.3

Warnings .........................................................................................................................................................................

1.4

Cautions .......................................................................................................................................................................... 13

1.5

Notices ............................................................................................................................................................................ 13

2 Troubleshooting

2.1

To display the error code on the user interface ............................................................................................................ 14

2.2

To reset the error code via remote controller ............................................................................................................... 14

2.3

To reset the error code via outdoor unit ....................................................................................................................... 14

2.4

To perform a test run...................................................................................................................................................... 14

2.4.1

To perform a test run in winter season ......................................................................................................... 15

2.5

Error based troubleshooting........................................................................................................................................... 15

2.5.1

A1-00 - PCB abnormality ............................................................................................................................... 15

2.5.2

A5-00 - Outdoor unit: High pressure peak cut / freeze protection problem ............................................... 16

2.5.3

A6-00 - Indoor unit fan motor abnormality .................................................................................................. 17

2.5.4

C4-00 - Heat exchanger temperature sensor problem................................................................................. 17

2.5.5

C9-00 - Room thermistor abnormality .......................................................................................................... 18

2.5.6

E1-00 - Outdoor unit: PCB defect.................................................................................................................. 18

2.5.7

E3-00 - Outdoor unit: Actuation of high pressure switch............................................................................. 19

2.5.8

E5-00 - Outdoor unit: Overheat of inverter compressor motor................................................................... 20

2.5.9

E6-00 - Outdoor unit: Compressor startup defect........................................................................................ 21

2.5.10

E7-00 - Outdoor unit: Malfunction of outdoor unit fan motor .................................................................... 22

2.5.11

E8-00 - Outdoor unit: Power input overvoltage ........................................................................................... 22

2.5.12

EA-00 - Outdoor unit: Cool/heat switchover problem ................................................................................. 23

2.5.13

F3-00 - Outdoor unit: Malfunction of discharge pipe temperature............................................................. 24

2.5.14

F6-00 - Outdoor unit: Abnormal high pressure in cooling............................................................................ 25

2.5.15

F8-00 - System shutdown due to compressor internal temperature abnormality...................................... 26

2.5.16

H0-00 - Outdoor unit: Voltage/current sensor problem .............................................................................. 26

2.5.17

H3-00 - Outdoor unit: Malfunction of high pressure switch ........................................................................ 27

2.5.18

H6-00 - Outdoor unit: Malfunction of position detection sensor ................................................................ 28

2.5.19

H8-00 - Outdoor unit: Malfunction of compressor input system................................................................. 29

2.5.20

H9-00 - Outdoor unit: Malfunction of outdoor air thermistor ..................................................................... 29

2.5.21

J3-00 - Outdoor unit: Malfunction of discharge pipe thermistor................................................................. 30

2.5.22

J6-00 - Outdoor unit: Malfunction of heat exchanger thermistor ............................................................... 30

2.5.23

L3-00 - Outdoor unit: Electrical box temperature rise problem................................................................... 30

2.5.24

L4-00 - Outdoor unit: Malfunction of inverter radiating fin temperature rise ............................................ 31

2.5.25

L5-00 - Outdoor unit: Inverter instantaneous overcurrent .......................................................................... 32

2.5.26

P4-00 - Outdoor unit: Malfunction of radiating fin temperature sensor ..................................................... 33

2.5.27

U0-00 - Outdoor unit: Shortage of refrigerant ............................................................................................. 33

2.5.28

U2-00 - Outdoor unit: Defect of power supply voltage ................................................................................ 34

2.5.29

U4-00 - Indoor/outdoor unit communication problem................................................................................ 35

2.5.30

UA-00 - Indoor unit, outdoor unit mismatching problem ............................................................................ 36

2.6

Symptom based troubleshooting ................................................................................................................................... 38

2.6.1

Operation does not start................................................................................................................................ 38

2.6.2

Operation sometimes stops ........................................................................................................................... 38

2.6.3

Operation starts but the unit does not cool/heat ......................................................................................... 39

2.6.4

Operating noise and vibrations ...................................................................................................................... 40

2.6.5

Abnormal high pressure ................................................................................................................................. 41

2.6.6

Abnormal low pressure .................................................................................................................................. 42

2.6.7

Indoor fan starts operating but the compressor does not operate.............................................................. 43

2.6.8

Operation starts and the unit stops immediately.......................................................................................... 44

2.6.9

Operation stops, unit cannot start for a while .............................................................................................. 44

2.6.10

Unit discharges white mist ............................................................................................................................. 45

2.6.11

Swing flap does not operate .......................................................................................................................... 45

3 Components

3.1

4-way valve...................................................................................................................................................................... 46

3.1.1

Checking procedures ...................................................................................................................................... 46

3.1.2

Repair procedures .......................................................................................................................................... 49

3.2

Compressor ..................................................................................................................................................................... 52

3.2.1

Checking procedures ...................................................................................................................................... 52

3.2.2

Repair procedures .......................................................................................................................................... 58

3.3

Expansion valve............................................................................................................................................................... 63

3.3.1

Checking procedures ...................................................................................................................................... 63

ATXP20~35 + FTXP20~71 + ARXP20~35 + RXP20~71

Split Comfora R32

ESIE18-01D - 2022.02