
SiUS281811EA
Troubleshooting by Error Codes
Part 6 Service Diagnosis
217
4.5 External
Protection
Device Abnormality (FTQ-TA Only)
Error Code
A0-01
Applicable
Models
FTQ-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
Activation of external protection device
Defective indoor unit PCB
Indoor unit fuse blown
24 VAC power is not supplied to TH2 and TR2 terminals on the indoor unit PCB.
Troubleshooting
Fuse (F1U) is
blown.
24 VAC
power is supplied to
TH2 and TR2 terminals.
External
protection device
is connected to TB4 and
TB5 of the indoor unit
terminal.
The external
protection device is
opened.
Replace the indoor unit PCB.
Confirm that wiring follows
the wiring diagram and then
supply power to each
terminal.
Activation of external protection
device.
Replace the fuse (F1U).
YES
YES
NO
NO
NO
NO
YES
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание SkyAir RZR-TA Series
Страница 1: ...Service Manual Cooling Only 60 Hz Heat Pump 60 Hz RZR TA RZQ TA Series SiUS281811EA...
Страница 202: ...SiUS281811EA 196 Part 6 Service Diagnosis 5 15 Fan Motor Connector Check for FTQ TA 311...
Страница 321: ...SiUS281811EA 315 Part 7 Appendix 1 Wiring Diagrams 316 1 1 Outdoor Unit 316 1 2 Indoor Unit 320 Part 7 Appendix...
Страница 322: ...Wiring Diagrams SiUS281811EA 316 Part 7 Appendix 1 Wiring Diagrams 1 1 Outdoor Unit RZR18 24TAVJU RZQ18 24TAVJU 3D115455...
Страница 323: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 317 RZR18 24TAVJUA RZQ18 24TAVJUA 3D124495...
Страница 324: ...Wiring Diagrams SiUS281811EA 318 Part 7 Appendix RZR30 36 42 48TAVJU RZQ30 36 42 48TAVJU 3D115456...
Страница 325: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 319 RZR30 36 42 48TAVJUA RZQ30 36 42 48TAVJUA 3D124500...
Страница 326: ...Wiring Diagrams SiUS281811EA 320 Part 7 Appendix 1 2 Indoor Unit FCQ18 24 30 36 42 48TAVJU 3D115647A...
Страница 327: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 321 FHQ18 24 30PVJU FHQ36 42MVJU 3D048116C...
Страница 328: ...Wiring Diagrams SiUS281811EA 322 Part 7 Appendix FAQ18 24TAVJU 3D114844B...
Страница 329: ...SiUS281811EA Wiring Diagrams Part 7 Appendix 323 FBQ18 24 30 36 42 48PVJU 3D065984J...