SiUS342004EB
Troubleshooting by Error Code
Part 6 Service Diagnosis
268
3.22 Climate Talk Communication Error
Applicable
Models
CXTQ-TA
Error Code
C1-08
Method of Error
Detection
Monitors the communication with the gas furnace connected to the Climate Talk Communication
terminal.
Error Reset
Conditions
The error decision is made when the communication with the gas furnace is lost after once the
initial setting for communication with the gas furnace completes.
Supposed
Causes
Disconnection of the communication wire between the CXTQ-TA and the gas furnace
Power supply to the gas furnace is cut.
Troubleshooting
N
O
Caution
Be sure to turn off the po
w
er s
w
itch before connecting or disconnecting
connectors, or parts may be damaged.
1 and 2
terminals of the gas
furnace and the CXTQ-TA are
connected each
other.
N
O
YES
YES
YES
N
O
The
communication
w
ire to the gas furnace
picks up noise.
Replace the CXTQ-TA PCB
or the gas furnace PCB.
Ensure correct
w
iring of the
communication
w
ire
bet
w
een terminals.
Turn O
N
the po
w
er of the
gas furnace.
Keep the communication
w
ire a
w
ay from the noise
source.
The
po
w
er of the gas
furnace is turned O
N
.
Summary of Contents for VRV RXYQ72-384XAYCA
Page 1: ...Service Manual RXYQ72 384XAYCA RXYQ72 384XBYCA Heat Pump 60 Hz SiUS342004EB...
Page 395: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 388 FXFQ07 09 12 15 18 24 30 36 48TVJU 3D086460B...
Page 397: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 390 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 401: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 394 FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 402: ...Wiring Diagrams SiUS342004EB 395 Part 7 Appendix FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 409: ...SiUS342004EB Wiring Diagrams Part 7 Appendix 402 FXHQ12 24 36MVJU 3D048116C...
Page 410: ...Wiring Diagrams SiUS342004EB 403 Part 7 Appendix FXAQ07 09 12 18 24PVJU 3D075354F...
Page 418: ...Wiring Diagrams SiUS342004EB 411 Part 7 Appendix VAM1200GVJU 3D073270D...
