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Troubleshooting by Error Code
SiUS331708EA
205
Service Diagnosis
Troubleshooting
NO
YES
Has the
compressor started
up at high differential pressure
(not less than 0.5 MPa
(72.5 psi))?
Restart the
compressor, and then
check whether or not
the error recurs.
Is the power
transistor normal?
YES
End of work
Defective pressure
equalization or else
may have occurred.
Check the refrigerant
system.
Defective pressure
equalization:
Check the refrigerant
system.
YES
Power ON
Power OFF
Power OFF
Power ON
Power OFF
Power ON
NO
NO
Replace the outdoor
main PCB (A1P).
NO
Continue the operation.
(Instantaneous power
failure, etc.)
NO
Continue the operation.
Replace the compressor.
A
Does the error recur
when restart operation?
Replace the outdoor main PCB.
YES
YES
Does the error recur
when restart operation?
CHECK 4
No PCB error.
Reinstall the PCB.
(
)
YES
The
insulation resistance
is low (i.e., not more
than 100 k
Ω
.)
Some phase has
a broken wire.
YES
Check the compressor motor
coil for any broken wire.
NO
NO
Replace the compressor.
CHECK 4
Summary of Contents for RXSQ24TAVJU
Page 1: ...Service Manual SiUS331708EA RXSQ24 36 48 60TAVJU Heat Pump 60 Hz...
Page 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
Page 291: ...SiUS331708EA Wiring Diagrams Appendix 278 RXSQ60TAVJU 3D109547A...
Page 295: ...SiUS331708EA Wiring Diagrams Appendix 282 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 298: ...Wiring Diagrams SiUS331708EA 285 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 300: ...Wiring Diagrams SiUS331708EA 287 Appendix FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU 3D110467B...
Page 301: ...SiUS331708EA Wiring Diagrams Appendix 288 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Page 302: ...Wiring Diagrams SiUS331708EA 289 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 303: ...SiUS331708EA Wiring Diagrams Appendix 290 FXAQ07 09 12 18 24PVJU 3D075354C...
Page 309: ...SiUS331708EA Wiring Diagrams Appendix 296 VAM1200GVJU 3D073270D...