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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
184
Troubleshooting
Notes:
∗
1. Pull out and insert the connector once and check it is absolutely connected.
∗
2. Method to check transmission part of indoor unit main PCB.
(1) Turn OFF the power and remove the connector X70A of indoor unit main PCB (A1P).
(2) Short circuit X70A.
(3) After turning ON the power, check below numbers under field setting from remote controller.
(Confirmation: Second code No. at the condition of first code No. 21 on mode No. 41)
↓
∗
After confirmation, turn OFF the power, take off the short circuit and connect X70A back to
original condition.
NO
Is the
connector between
indoor unit PCB (A1P) and fan
PCB (A2P) accurately
connected? (
∗
1)
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Connect the connector accurately.
NO
Under
above field setting
mode, second code
No. is
01
.
Replace the indoor unit main
PCB (A1P).
NO
YES
YES
YES
Replace the fan PCB (A2P).
Continue the operation (It is
possible to have a cause, such
as instantaneous power failure).
Connect the connector X70A
and turn ON the power again.
C1
Reoccurrence
of error.
Confirm the condition of
transmission on indoor unit
PCB using field setting mode.
(
∗
2)
Determination
01: Normal
Other than 01: Transmission error on indoor unit main PCB
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...