Troubleshooting by Error Code
SiUS341802E
197
Service Diagnosis
2.22 Remote Sensor Abnormality
Error Code
C9
Applicable
Models
FXTQ-TA
Method of Error
Detection
The error is detected by remote sensor temperature.
Error Decision
Conditions
The remote sensor becomes disconnected or shorted while the unit is running.
Supposed
Causes
Defective indoor unit thermistor (R1T) for room temperature
Defective indoor unit PCB
Troubleshooting
Note:
∗
1. Connector and indoor unit PCB
Is the
optional remote
sensor is installed?
Field
setting 10(20)-2 is set to
03.
Connector is
connected to the indoor
unit PCB (
∗
1).
Resistance
is normal when
measured after
disconnecting the sensor
from the indoor unit
PCB.
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Set to 03.
Replace the indoor unit PCB.
NO
NO
YES
YES
Replace the indoor unit PCB.
Connect the sensor and turn ON
again.
NO
NO
Replace the sensor (R1T).
YES
YES
CHECK 11
Connector for remote sensor
PCB
X4A
A1P
CHECK 11
Содержание Aurora Series
Страница 316: ...Wiring Diagrams SiUS341802E 303 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RXLQ72TATJU 2D112580A ...
Страница 317: ...SiUS341802E Wiring Diagrams Appendix 304 RXLQ96 120TATJU 2D112581A ...
Страница 318: ...Wiring Diagrams SiUS341802E 305 Appendix RXLQ72TAYDU 2D112582A ...
Страница 319: ...SiUS341802E Wiring Diagrams Appendix 306 RXLQ96 120TAYDU 2D112583A ...
Страница 320: ...Wiring Diagrams SiUS341802E 307 Appendix RXLQ72 96 120TAYCU RXYQ72 96 120 144 168TAYCU 2D112579A ...
Страница 330: ...Wiring Diagrams SiUS341802E 317 Appendix 1 3 2 Energy Recovery Ventilator VAM Series VAM300 470 600GVJU 3D073269C ...
Страница 331: ...SiUS341802E Wiring Diagrams Appendix 318 VAM1200GVJU 3D073270C ...
Страница 332: ...Revision History Month Year Version Revised contents 04 2018 SiUS341802E First edition ...