Table Of Contents - Daikin Sky Air Advance RZA200D7Y1B Service Manual

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Table of Contents

Service manual

Table of Contents

2.1

To access push buttons and 7-segment display.............................................................................................................

2.2

To retrieve error codes and check error history ............................................................................................................

2.2.1

Via service monitoring tool ............................................................................................................................

2.2.2

Via the indoor unit remote controller BRC1H ...............................................................................................

2.2.3

Via the outdoor unit ....................................................................................................................................... 11

2.2.4

Via the wired remote control BRC1E ............................................................................................................. 12

2.2.5

Via the wireless controller BRC7 .................................................................................................................... 14

2.2.6

Via the wired remote control BRC1D............................................................................................................. 15

2.3

To activate emergency operation................................................................................................................................... 16

2.4

Error based troubleshooting........................................................................................................................................... 18

2.4.1

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

2.4.2

E2-00 - Open circuit on earth leakage detection core.................................................................................. 19

2.4.3

E3-00 - Outdoor unit: Actuation of high pressure switch............................................................................. 20

2.4.4

E4-00 - Abnormal suction pressure............................................................................................................... 21

2.4.5

E5-00 - Outdoor unit: Overheat of inverter compressor motor................................................................... 22

2.4.6

E7-00 - Outdoor unit: Malfunction of outdoor unit fan motor .................................................................... 23

2.4.7

E9-00 - Malfunction of electronic expansion valve....................................................................................... 23

2.4.8

EA-00 - Cooling/Heating switch abnormality ................................................................................................ 24

2.4.9

F3-00 - Outdoor unit: Malfunction of discharge pipe temperature/compressor body thermistor ............ 25

2.4.10

H3-00 - Outdoor unit: Malfunction of high pressure switch ........................................................................ 26

2.4.11

H4-00 - Low pressure switch abnormality .................................................................................................... 26

2.4.12

H9-00 - Outdoor unit: Malfunction of outdoor air thermistor ..................................................................... 27

2.4.13

J3-00 - Outdoor unit: Malfunction of discharge pipe thermistor/compressor body thermistor................. 28

2.4.14

J5-00 - Malfunction of suction pipe thermistor ............................................................................................ 28

2.4.15

J6-00 - Outdoor unit: Malfunction of heat exchanger thermistor ............................................................... 29

2.4.16

J7-00 - Outdoor unit: Intermediate heat exchanger thermistor abnormality ............................................. 29

2.4.17

J8-00 - Malfunction of refrigerant liquid thermistor .................................................................................... 30

2.4.18

L1-00 - Outdoor unit: Main PCB abnormality ............................................................................................... 30

2.4.19

L4-00 - Inverter radiation fin overheat.......................................................................................................... 31

2.4.20

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

2.4.21

L8-00 - Malfunction triggered by a thermal protection in the inverter PCB................................................ 33

2.4.22

L9-00 - Stall prevention time lag ................................................................................................................... 34

2.4.23

LC-00 - Malfunction in communication system of outdoor unit .................................................................. 34

2.4.24

P1-00 - Open phase power supply imbalance .............................................................................................. 35

2.4.25

P4-00 - Outdoor unit: Malfunction of radiating fin temperature sensor ..................................................... 36

2.4.26

PJ-00 - Capacity setting mismatch................................................................................................................. 36

2.4.27

U0-00 - Outdoor unit: Shortage of refrigerant ............................................................................................. 36

2.4.28

U1-00 - Malfunction by reverse phase/open phase ..................................................................................... 37

2.4.29

U2-00 - Outdoor unit: Defect of power supply voltage ................................................................................ 38

2.4.30

U4-00 - Indoor/outdoor unit communication problem................................................................................ 39

2.4.31

UA-00 - Indoor unit, outdoor unit mismatching problem ............................................................................ 40

2.4.32

UF-00 - Reversed piping or bad communication wiring detection............................................................... 40

2.4.33

Indoor unit related error codes...................................................................................................................... 41

2.5

Symptom based troubleshooting ................................................................................................................................... 42

2.5.1

Operation does not start................................................................................................................................ 42

2.5.2

Operation sometimes stops ........................................................................................................................... 42

2.5.3

Operation starts but the unit does not cool/heat ......................................................................................... 43

2.5.4

Operating noise and vibrations ...................................................................................................................... 44

2.5.5

Abnormal high pressure ................................................................................................................................. 45

2.5.6

Abnormal low pressure .................................................................................................................................. 46

2.5.7

Indoor fan starts operating but the compressor does not operate.............................................................. 47

2.5.8

Operation starts and the unit stops immediately.......................................................................................... 48

2.5.9

Operation stops, unit cannot start for a while .............................................................................................. 48

2.5.10

Unit discharges white mist ............................................................................................................................. 49

3 Components

3.1

4-way valve...................................................................................................................................................................... 50

3.1.1

Checking procedures ...................................................................................................................................... 50

3.1.2

Repair procedures .......................................................................................................................................... 53

3.2

Compressor ..................................................................................................................................................................... 56

3.2.1

Checking procedures ...................................................................................................................................... 56

3.2.2

Repair procedures .......................................................................................................................................... 61

RZA200+250D7Y1B

Sky Air Advance-series

ESIE19-13A - 2020.05