Troubleshooting by Error Code
SiUS341615E
251
Service Diagnosis
YES
Recheck for the compressor and the
refrigerant system.
NO
Replace the inverter PCB.
RXYQ72-120TA: A3P
RXYQ144/168TA: A3P, A6P
NO
YES
NO
There is
wiring disconnection in
the compressor.
Replace the inverter compressor.
YES
Is the
insulation
resistance of the
relevant compressor
100 k
Ω
or more?
Refrigerant is
melting (No power
applied for a period of 6
hours or more)
Replace the inverter compressor.
NO
Eliminate the melting state of
refrigerant.
YES
CHECK 4
Is the power
transistor normal?
A
CHECK 4
Summary of Contents for RXYQ-TA Series
Page 1: ...Service Manual SiUS341615E RXYQ72 408TAYDU RXYQ72 408TATJU Heat Pump 60 Hz...
Page 321: ...SiUS341615E Wiring Diagrams Appendix 308 RXYQ96 120TAYDU 2D106439A...
Page 322: ...Wiring Diagrams SiUS341615E 309 Appendix RXYQ144 168TAYDU 2D106440A...
Page 323: ...SiUS341615E Wiring Diagrams Appendix 310 RXYQ72TATJU 3D106435A...
Page 324: ...Wiring Diagrams SiUS341615E 311 Appendix RXYQ96 120TATJU 2D106436A...
Page 325: ...SiUS341615E Wiring Diagrams Appendix 312 RXYQ144 168TATJU 2D106437A...
Page 335: ...SiUS341615E Wiring Diagrams Appendix 322 VAM1200GVJU 3D073270C...
Page 336: ...Revision History Month Year Version Revised contents 02 2017 SiUS341615E First edition...