SiUS341802E
Troubleshooting by Error Code
Service Diagnosis
168
2.1.2 External Protection Device Abnormality (FXTQ-TA Only)
Error Code
A0-01
Applicable
Models
FXTQ-TA
Method of Error
Detection
Detect open or short circuit between external input terminals in indoor unit.
Error Decision
Conditions
When an open circuit occurs between external input terminals.
Supposed
Causes
Actuation of external protection device
Defective indoor unit PCB
Indoor unit fuse blown
Troubleshooting
Fuse (F1U)
is blown.
Ex
ternal
protection device
is connected to TB4 and
TB5 of the indoor unit
terminal.
The
external protection
device is opened.
Replace the indoor unit PCB.
Actuation of external protection
device.
Replace the fuse (F1U).
YES
YES
NO
NO
NO
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Summary of Contents for Aurora Series
Page 317: ...SiUS341802E Wiring Diagrams Appendix 304 RXLQ96 120TATJU 2D112581A ...
Page 318: ...Wiring Diagrams SiUS341802E 305 Appendix RXLQ72TAYDU 2D112582A ...
Page 319: ...SiUS341802E Wiring Diagrams Appendix 306 RXLQ96 120TAYDU 2D112583A ...
Page 331: ...SiUS341802E Wiring Diagrams Appendix 318 VAM1200GVJU 3D073270C ...
Page 332: ...Revision History Month Year Version Revised contents 04 2018 SiUS341802E First edition ...