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SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
197
5.3 External Protection Device Abnormality
Applicable
Models
All indoor unit models
Error Code
A0
Method of Error
Detection
Detects open or short circuit between external input terminals in indoor unit.
Error Decision
Conditions
An open circuit occurs between external input terminals with the remote controller set for
external ON/OFF input.
Supposed
Causes
Activation of external protection device
Improper field setting
Defective indoor unit PCB
Troubleshooting
Activation of external
protection device.
External
protection device is
connected to terminals T1 and
T2 of the indoor unit
terminal block.
Replace the indoor unit
control PCB (A1P).
YES
Change the second code
No. to
01
or
02
.
External
ON/OFF input (mode
No. 12, first code No. 1) has
been set to external protection
device input (second code
No. 03) by remote
controller.
YES
NO
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Check the setting state of the
ON/OFF input from outside by remote
controller.
NO
Summary of Contents for VRV S RXMQ10ARY1
Page 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Page 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Page 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Page 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Page 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...