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SiAF332111E
Troubleshooting by Error Code
Part 6 Service Diagnosis
311
Reference
CHECK 17
Refer to page 357.
YES
NO
Is indoor-outdoor unit
transmission wiring
normal?
Fix the indoor-outdoor
unit transmission wiring.
Press and hold the
RESET
(BS5)
button on the outdoor
unit main PCB (A1P) for 5
seconds.
Replace the broken wires
and then restart operation.
Provide power voltage of
220 V.
Replace fuse and the PCB.
Replace the fan motor
(M1F).
Replace the PCB.
Replace the fuse.
Replace the outdoor unit
main PCB (A1P).
YES
NO
NO
Replace the outdoor unit main
PCB (A1P).
YES
Operation ready
lamp (H2P) is
blinking.
Lamp does not go off
for 12 minutes or
more.
O
N
O
N
Is the
connector wiring between
the outdoor unit main PCB (A1P) and
the inverter PCB (A2P)
damaged?
Is the voltage
between outdoor unit main
PCB terminal L and
N 220 V?
YES
YES
NO
Replace the fuse.
YES
NO
NO
Is the outdoor unit
main PCB fuse
blown?
YES
YES
YES
NO
Is fuse F6U blown ?
Is pin-to-pin
resistance greater than the
decision standard?
CHECK 17
Check the fan motor connector.
A
Outdoor unit
main PCB microcomputer
monitor (HAP)
blinks.
Summary of Contents for VRV S RXQ4/5ARV1
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...