SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
325
RXMQ6/8AR
RXMQ10/12AR
Is
indoor-outdoor
unit transmission wiring
normal?
Is
indoor-outdoor
unit transmission wiring
normal?
Replace the indoor unit PCB.
Wiring check operation may
not have been carried out
successfully.
After fixing incorrect wiring,
press and hold the
RETURN
(BS3)
button on the outdoor
unit main PCB for 5 seconds.
The unit will not run for up to
12 minutes.
YES
NO
YES
NO
NO
YES
Is the check
operation
carried out?
Open the stop valve.
YES
NO
Are the stop
valves opened?
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Caution
Is
indoor-outdoor unit
transmission wiring
normal?
Is indoor -
outdoor unit
transmission wiring
normal?
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Press
RETURN (BS3)
button
on outdoor unit PCB for 5
seconds or longer.
∗
No operation for max. 12
minutes.
After fixing incorrect wiring,
press and hold the
RETURN
(BS3)
button on the master
outdoor unit PCB for 5
seconds.
∗
The unit will not run for up to
12 minutes.
YES
YES
NO
YES
NO
NO
NO
YES
Is the check
operation carried
out?
Open stop valve.
Replace the indoor unit PCB.
Normal
YES
NO
Are the stop valves
opened?
Are there any other
errors?
Perform test operation again and
press
RETURN (BS3)
button.
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...