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SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
191
Outdoor Unit
E1
l
Outdoor unit main PCB abnormality
E2
l
Current leakage detection
Missing of leakage detection core
E3
l
Activation of high pressure switch
E4
l
Activation of low pressure sensor
E5
l
Compressor motor lock
E6
l
Compressor damage alarm
E7
l
Outdoor fan motor abnormality
E9
l
Electronic expansion valve coil abnormality
F3
l
Discharge pipe temperature abnormality
F4
l
Wet alarm
F6
l
Refrigerant overcharged
H3
l
Harness abnormality (between outdoor unit main PCB and inverter PCB)
H5
l
OL activation (compressor overload)
H7
l
Outdoor fan motor signal abnormality
Outdoor fan PCB abnormality
H9
l
Outdoor air thermistor abnormality
J3
l
Discharge pipe thermistor abnormality
Compressor body thermistor abnormality
J5
l
Suction pipe thermistor abnormality
Accumulator thermistor abnormality
J6
l
Heat exchanger deicer thermistor abnormality
J7
l
Subcooling heat exchanger liquid pipe thermistor abnormality
J8
l
Heat exchanger liquid pipe thermistor abnormality
J9
l
Subcooling heat exchanger gas pipe thermistor abnormality
JA
l
High pressure sensor abnormality
JC
l
Low pressure sensor abnormality
L1
l
Inverter circuit abnormality
L2
l
Momentary power failure during test operation
L4
l
Radiation fin temperature rise abnormality
L5
l
Compressor instantaneous overcurrent
L8
l
Compressor overcurrent
L9
l
Compressor startup abnormality
LC
l
Transmission error between microcomputers on outdoor unit main PCB
Transmission error between inverter PCB and outdoor unit main PCB
P1
l
Inverter circuit capacitor high voltage
Power supply voltage imbalance
P3
l
Reactor temperature abnormality
P4
l
Radiation fin temperature abnormality
PJ
l
Incorrect inverter and fan drive combination
Field setting after replacing outdoor unit main PCB abnormality or
combination of PCB abnormality
Error code Operation
lamp
Description
Reference
page
Summary of Contents for VRV S RXQ4/5ARV1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...