Table Of Contents - Daikin VRV IV+ Service Manual

Table of contents

Table of contents
1 General operation
2 Troubleshooting
2.1 To access push buttons and 7-segment display .......................
2.2 To check the error history..........................................................
2.2.1 Via service checker type 3 ..........................................
2.2.2 Via the indoor unit remote controller BRC1H..............
2.2.3 Via the outdoor unit..................................................... 10
2.2.4 Via the wired remote control BRC1E .......................... 10
2.2.5 Via the wireless controller BRC4/7 ............................. 11
2.2.6 Via the wired remote control BRC1D .......................... 11
2.3 Error based troubleshooting ...................................................... 12
2.3.1 E1-01 - Outdoor unit main PCB A1P error ................. 12
2.3.2 E1-02 - Outdoor unit main PCB A1P error ................. 12
2.3.3 E2-01-02-03 - Current leak detection......................... 12
2.3.4 E2-06-07-08 - Open circuit on earth leakage
detection core ............................................................. 13
2.3.5 E3-01-03-05 - Actuation of high pressure switch ....... 13
2.3.6 E3-02-04-06 - High pressure error ............................. 14
2.3.7 E3-07 - High pressure switch reset error ................... 14
2.3.8 E3-13-14-15 - Liquid stop valve check error .............. 14
2.3.9 E3-18 - Actuation of high pressure switch during test
run............................................................................... 15
2.3.10 E3-20-21-22 - Jumper open on main PCB................. 15
2.3.11 E4-01-02-03 - Low pressure error.............................. 15
2.3.12 E5-01-02-03 - Compressor overload error ................. 16
2.3.13 E5-07-08-09 - Compressor overload error ................. 17
2.3.14 E6-17-19-21 - Inverter overcurrent error .................... 17
2.3.15 E6-18-20-22 - Inverter overcurrent error .................... 18
2.3.16 E7-01-13-25 - Outdoor unit fan motor M1F error ....... 18
2.3.17 E7-02-14-26 - Outdoor unit fan motor M2F error ....... 19
2.3.18 E7-05-17-29 - Outdoor unit fan motor M1F
overcurrent error ......................................................... 19
2.3.19 E7-06-18-30 - Outdoor unit fan motor M2F
overcurrent error ......................................................... 19
2.3.20 E7-09-21-33 - Fan inverter PCB A4P (integrated
power module) overheated ......................................... 19
2.3.21 E7-10-22-34 - Fan inverter PCB A7P (integrated
power module) overheated ......................................... 20
2.3.22 E9-01-05-08 - Expansion valve Y1E abnormality ...... 20
2.3.23 E9-03-06-09 - Expansion valve Y2E abnormality ...... 21
2.3.24 E9-04-07-10 - Expansion valve Y3E abnormality ...... 21
2.3.25 E9-20-21-22 - Failure detection on Y1E..................... 22
2.3.26 E9-23-24-25 - Failure detection on Y2E..................... 22
2.3.27 E9-26-27-28 - Expansion valve Y4E abnormality ...... 23
2.3.28 E9-48-49-50 - Expansion valve overcurrent error ...... 23
2.3.29 E9-51-52-53 - Expansion valve thermal cutting error. 24
2.3.30 E9-54-55-56 - Expansion valve defective circuit ........ 24
2.3.31 F3-01-03-05 - Compressor discharge temperature
too high ....................................................................... 25
2.3.32 F3-20-21-22 - Compressor body temperature too
high ............................................................................. 25
2.3.33 F4-01 - Wet operation caution.................................... 26
2.3.34 F6-02 - Refrigerant overcharge detection during
test-run........................................................................ 26
2.3.35 H3-02-04-06 - Transmission error on inverter PCB
A3P ............................................................................. 27
2.3.36 H3-03-05-07 - Transmission error on inverter PCB
A6P ............................................................................. 27
2.3.37 H9-01-02-03 - Ambient temperature thermistor R1T
abnormality ................................................................. 27
2.3.38 HA-00 - Defrost fail alarm........................................... 28
2.3.39 J3-16-22-28 - Discharge thermistor R21T open
circuit........................................................................... 28
2.3.40 J3-17-23-29 - Discharge thermistor R21T short
circuit........................................................................... 28
Service manual
4
https://daikin-p.ru/catalog/vrv-daikn/naruzhnye-vrv-bloki-daikin
2.3.41 J3-18-24-30 - Discharge thermistor R22T open
circuit............................................................................ 28
2.3.42 J3-19-25-31 - Discharge thermistor R22T short
circuit............................................................................ 29
2.3.43 J3-38-42-44 - Compressor body thermistor R9T
7
open circuit................................................................... 29
2.3.44 J3-39-43-45 - Compressor body thermistor R9T
9
short circuit................................................................... 29
9
2.3.45 J3-47-49-51 - Compressor body thermistor R8T
9 open circuit................................................................... 30
9
2.3.46 J3-48-50-52 - Compressor body thermistor R8T
short circuit................................................................... 30
9
2.3.47 J3-56-57-58 - High discharge temperature ................. 30
2.3.48 J3-59-60-61 - Discharge thermistor crosswired .......... 31
2.3.49 J5-01-03-05 - Suction thermistor R3T abnormality ..... 31
2.3.50 J6-01-02-03 - De-icer thermistor R7T abnormality..... 31
2.3.51 J7-06-07-08 - Liquid thermistor R5T abnormality........ 32
2.3.52 J8-01-02-03 - Outdoor heat exchanger thermistor
R4T abnormality........................................................... 32
2.3.53 J9-01-02-03 - Gas thermistor R6T abnormality........... 32
2.3.54 JA-06-08-10 - High pressure sensor S1NPH
abnormality .................................................................. 32
2.3.55 JA-07-09-11 - High pressure sensor S1NPH
malfunction................................................................... 33
2.3.56 JC-06-08-10 - Low pressure sensor S1NPL
abnormality .................................................................. 33
2.3.57 JC-07-09-11 - Low pressure sensor S1NPL
abnormality .................................................................. 33
2.3.58 L1-01-07-11 - Inverter PCB A3P abnormality ............. 34
2.3.59 L1-02-08-12 - Inverter PCB A3P current detection
primary circuit............................................................... 34
2.3.60 L1-03-09-13 - Inverter PCB A3P current detection
secondary circuit .......................................................... 34
2.3.61 L1-04-10-14 - Power transistor error on inverter
PCB A3P...................................................................... 35
2.3.62 L1-05-15-16 - Inverter PCB A3P hardware fault ......... 35
2.3.63 L1-17-22-42 - Inverter PCB A6P abnormality ............. 36
2.3.64 L1-18-23-43 - Inverter PCB A6P current detection
primary circuit............................................................... 36
2.3.65 L1-19-24-44 - Inverter PCB A6P current detection
secondary circuit .......................................................... 36
2.3.66 L1-20-25-45 - Power transistor error on inverter
PCB A6P...................................................................... 37
2.3.67 L1-21-26-46 - Inverter PCB A6P hardware fault ......... 37
2.3.68 L1-28-32-34 - Fan inverter PCB A4P Eeprom error.... 37
2.3.69 L1-29-33-35 - Fan inverter PCB A7P Eeprom error.... 38
2.3.70 L1-36-38-40 - Inverter PCB A3P Eeprom error........... 38
2.3.71 L1-37-39-41 - Inverter PCB A6P Eeprom error........... 38
2.3.72 L1-47-49-51 - Inverter PCB A3P 16 V DC abnormal .. 39
2.3.73 L1-48-50-52 - Inverter PCB A6P 16 V DC abnormal .. 39
2.3.74 L2-01-02-03 - Power supply abnormality during test
run................................................................................ 39
2.3.75 L2-04-05-06 - Power supply abnormality during
normal operation .......................................................... 40
2.3.76 L4-01-02-03 - Inverter PCB A3P high fin
temperature.................................................................. 40
2.3.77 L4-06-18-20 - Fan inverter PCB A4P high fin
temperature.................................................................. 40
2.3.78 L4-07-19-21 - Fan inverter PCB A7P high fin
temperature.................................................................. 41
2.3.79 L4-09-10-11 - Inverter PCB A6P high fin
temperature.................................................................. 41
2.3.80 L5-03-05-07 - Output overcurrent detection on
inverter PCB A3P......................................................... 42
2.3.81 L5-14-15-16 - Output overcurrent detection on
inverter PCB A6P......................................................... 42
2.3.82 L8-03-06-07 - Overcurrent on inverter PCB A3P
except start-up ............................................................. 42
2.3.83 L8-11-12-13 - Overcurrent on inverter PCB A6P
except start-up ............................................................. 43
2.3.84 L9-01-05-06 - Stall prevention by inverter PCB A3P... 43
2.3.85 L9-10-11-12 - Stall prevention by inverter PCB A6P... 44
RYYQ+RYMQ+RXYQ8~20U7Y1B
VRV IV+ Heat Pump
ESIE18-14 - 2019.07