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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
238
Troubleshooting
Is the
voltage
between the terminals
F1 (+) and F2 (-) in the
range of 15.2 to
17.6 VDC?
Replace the centralized
controller.
Centralized controller: Normal
Correct the wiring.
Abnormal
A
NO
Correct the connection of the
connector.
NO
YES
YES
Disconnect the transmission
wiring of the master centralized
controller, and then check the
voltage between the
transmission terminals (F1 and
F2) of the master centralized
controller transmission
equipment using a multimeter.
It is supposed that the error
results from external factors
(e.g. noises) from other
equipment.
Normal
Correct the wiring.
Abnormal
Normal
CHECK 15
CHECK 15
Has the
master centralized
controller setting connector
been connected?
Check the
transmission
wiring between
centralized controller for
any broken wire.
Check
the
transmission wiring
with the master
centralized controller for
any broken wire.
CHECK 15
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...