SiUS342303E
Troubleshooting by Error Code
Part 6 Service Diagnosis
246
Depending on operating condition, partial refrigerant shortage may be detected even though
correct refrigerant amount is in the system. Please refer to
Refrigerant Shortage Check
on page
31B-##
_ _ 3
1 0 2
# # #
_ _ #
Indoor unit thermistor failure
prediction (Th2)
■
Th1 sensor failure
■
Th2 sensor failure
■
Th3 sensor failure
Th1: Refer to
C9
troubleshooting.
Th2: Refer to
C4
troubleshooting.
Th3: Refer to
C5
troubleshooting.
31C-##
_ _ 3
1 0 3
# # #
_ _ #
Indoor unit thermistor failure
prediction (Th3)
■
Th1 sensor failure
■
Th2 sensor failure
■
Th3 sensor failure
Th1: Refer to
C9
troubleshooting.
Th2: Refer to
C4
troubleshooting.
Th3: Refer to
C5
troubleshooting.
43A-##
_ _ 4
3 0 1
- 0 0
—
Refrigerant shortage and refrigerant
leakage prediction (detected during
non-operation)
■
HP sensor failure
■
Refrigerant leak or shortage
HP: Refer to
JA
troubleshooting.
If the above error is not seen, refrigerant shortage
or leakage from the system can be considered. (
)
43B-##
_ _ 4
3 0 2
- 0 0
—
Refrigerant shortage and refrigerant
leakage prediction (detected during
cooling operation)
■
Refrigerant leak or shortage
Check for refrigerant leakage.
Check for refrigerant shortage. (
)
43C-##
_ _ 4
3 0 3
- 0 0
—
Refrigerant shortage and refrigerant
leakage prediction (detected during
cooling and heating simultaneous
operation)
■
Refrigerant leak or shortage
Check for refrigerant leakage.
Check for refrigerant shortage. (
)
43D-##
_ _ 4
3 0 4
- 0 0
—
Refrigerant shortage and refrigerant
leakage prediction (detecting during
heating operation)
■
Refrigerant leak or shortage
Check for refrigerant leakage.
Check for refrigerant shortage. (
)
47A-##
_ _ 4
7 0 1
- 0 0
—
Outdoor-indoor communication failure
prediction
■
Outdoor unit control PCB
failure
■
Indoor PCB failure
■
Outdoor-indoor
communication line failure
—
Prediction code
Seven-segment display
Description
Possible cause
Tech tips
Produ
ct
type c
ode
Predic
tion
code
Predic
tion
sub co
de
AirNet addres
s
display
flag
Summary of Contents for VRV EMERION RXYQ-AATJA
Page 1: ...Service Manual Heat Pump 60 Hz RXYQ AATJA 208 230 V RXYQ AAYDA 460 V SiUS342303E...
Page 410: ...Wiring Diagrams SiUS342303E 403 Part 7 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 411: ...SiUS342303E Wiring Diagrams Part 7 Appendix 404 FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 416: ...Wiring Diagrams SiUS342303E 409 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 417: ...SiUS342303E Wiring Diagrams Part 7 Appendix 410 FXAQ07 09 12 18 24PVJU 3D075354F...
Page 424: ...Wiring Diagrams SiUS342303E 417 Part 7 Appendix VAM1200GVJU 3D073270D...
