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Troubleshooting by Error Code
SiAF332111E
312
Part 6 Service Diagnosis
Note(s)
RXMQ6-12AR
2. RXMQ6AR: 220-240V between L and N
RXMQ8-12AR: 380-415V between L1 and N
Do all
indoor unit
remote controllers in
the same refrigerant
system display
U4
?
Are the
indoor-outdoor
transmission wirings
normal?
Fuse on the
outdoor unit main PCB
has blown out.
Does the
seven-segment display
show (1) or (2)?
(
1)
The lamp
does not turn OFF
for a period of 12 minutes
or more.
Are the
indoor-outdoor
transmission wirings
normal?
Is voltage
between terminals (
2)
of the outdoor unit main
PCB normal?
Does the
microcomputer
normal monitor (HAP) on
the outdoor unit
main PCB blink?
Has the
indoor or
outdoor unit PCB
been replaced, or has
the indoor-outdoor
transmission
wiring been
modified?
U4-01
1 :OFF :ON :BLINK
SEG1 SEG2 SEG3
(1)
(2)
Correct the voltage.
Replace the fuse.
Modify the transmission
wirings.
Press and hold
RETURN
(BS3)
on the outdoor unit
main PCB (A1P) for a period
of 5 seconds or more.
Mount the DIII-NET extension
adaptor.
YES
NO
YES
YES
Replace the indoor unit PCB.
Press and hold
RETURN
(BS3)
on the master outdoor
unit main PCB (A1P) for a
period of 5 seconds or more.
(The system will not operate
for a period of 12 minutes at
maximum.)
Modify the transmission
wirings.
YES
Go to the next page.
U4-03
(Indoor unit system
transmission error)
NO
NO
NO
Replace the outdoor unit
main PCB (A1P).
NO
YES
NO
NO
NO
NO
YES
NO
Reset the power supply once.
YES
YES
Check for details of error in
monitor mode.
YES
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
Содержание VRV S RXQ4/5ARV1
Страница 1: ...Service Manual Cooling Only 50 60 Hz RXQ4 5ARV1 RXMQ6ARV1 RXMQ8 10 12ARY1 SiAF332111E...
Страница 349: ...SiAF332111E Check Part 6 Service Diagnosis 343 PCB and Circuit Diagram U V W L3B L2B L1B P1 P2 N32...
Страница 366: ...SiAF332111E 360 Part 7 Appendix 1 Wiring Diagrams 361 1 1 Outdoor Unit 361 1 2 VRV Indoor Unit 366 Part 7 Appendix...
Страница 369: ...SiAF332111E Wiring Diagrams Part 7 Appendix 363 RXMQ6ARV1 C 3D137051...
Страница 370: ...Wiring Diagrams SiAF332111E 364 Part 7 Appendix RXMQ8ARY1 C 3D137060...
Страница 371: ...SiAF332111E Wiring Diagrams Part 7 Appendix 365 RXMQ10 12ARY1 3D121610B...
Страница 375: ...SiAF332111E Wiring Diagrams Part 7 Appendix 369 FXMQ40 50 63 80 100ARV1 3D127112 04 59...
Страница 376: ...Wiring Diagrams SiAF332111E 370 Part 7 Appendix 1 2 4 Wall Mounted FXAQ20 25 32PVE FXAQ40 50 63PVER1 C 3D076498B...