Troubleshooting by Error Code
SiUS331604E
155
Service Diagnosis
Troubleshooting
Note:
∗
1. Pull out and insert the connecter 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 connecter 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 connecter 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 VRV IV-S RXTQ-TAVJU Series
Page 1: ...Service Manual SiUS331604E RXTQ36 48 60TAVJU Heat Pump 60 Hz...
Page 254: ...Wiring Diagrams SiUS331604E 241 Appendix RXTQ48TAVJU 3D100496A...
Page 255: ...SiUS331604E Wiring Diagrams Appendix 242 RXTQ60TAVJU 3D100497A...
Page 260: ...Wiring Diagrams SiUS331604E 247 Appendix FXEQ07 09 12 15 18 24PVJU C 3D098557...
Page 267: ...SiUS331604E Wiring Diagrams Appendix 254 FXTQ12 18 24 30 36 42 48 54PAVJU 3D065036G...
Page 270: ...Wiring Diagrams SiUS331604E 257 Appendix VAM1200GVJU 3D073270C...
Page 271: ...Revision History Month Year Version Revised contents 06 2016 SiUS331604E First edition...
