SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
319
RXMQ6-12AR
Ensure the sub code or
the lamp display of
monitor mode, and then
go to the following:
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Go to Diagnosis Flowchart-1.
(Connection of excess indoor
units)
Go to Diagnosis Flowchart-2.
(Connection of incorrect models
of indoor units)
Go to Diagnosis Flowchart-3.
(Wrong connection)
UA-17
Error code
Sub code
Error code
Sub code
Error code
Sub code
UA-18
UA-21
NO
YES
The number of
indoor units connected
to the same system is
less than 64.
Replace the outdoor unit main
PCB (A1P).
NO
YES
Check if
the refrigerant
type of the outdoor
unit corresponds to that
of the indoor unit.
Excess indoor units are
connected.
Check for the connection to
connect the proper number of
indoor units.
Replace the outdoor unit main
PCB (A1P).
Match the refrigerant types of the
outdoor unit and the indoor unit.
Diagnosis Flowchart-1
UA-17
Error code
Sub code
Diagnosis Flowchart-2
Error code
Sub code
UA-18
Replace the outdoor unit main
PCB (A1P).
Diagnosis Flowchart-3
Error code
Sub code
UA-21
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...
