Troubleshooting by Error Code
SiUS342303E
275
Part 6 Service Diagnosis
YES
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
Properly connect the
connector(s).
NO
NO
Normal.
The error could be caused by
other causes. Refer to other
diagnosis flowcharts in the
following order:
AH-03
→
04
→
06
→
07
→
08
→
09
.
Check the indoor unit control
PCB and self-cleaning
decoration panel PCB.
AH-05
Dust collection sign
Diagnosis Flowchart-3
YES
Clean the dirty infrared emitter
and receiver.
Is the infrared
emitter or receiver
dirty?
YES
NO
YES
Replace the harness.
YES
Remove the external factor.
Is there any
external factor other than the
error such as noise?
NO
Turn OFF the power supply and
then turn it ON again. Then, start
operation with remote controller.
Are the
connectors X18A and X19A
on the infrared sensor PCB
properly connected?
Is the harness broken?
YES
Clean the dust from the inside
of dust collection port.
Is the inside of
dust collection port clogged
by dust?
NO
YES
Clean the dust from the inside
of brush unit.
Is the inside of
brush unit clogged by
dust?
NO
YES
Clean the dust from the inside
of S-shaped pipe.
Is the inside of
S-shaped pipe clogged by
dust?
NO
YES
Clean the dust from the dust
box. (This is not an error.)
Dust accumulated in
the dust box?
NO
Error
AH
recurs,
or the self-cleaning decoration panel
lamp (red) blinks?
Summary of Contents for VRV EMERION RXYQ-AATJA
Page 1: ...Service Manual Heat Pump 60 Hz RXYQ AATJA 208 230 V RXYQ AAYDA 460 V SiUS342303E...
Page 410: ...Wiring Diagrams SiUS342303E 403 Part 7 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 411: ...SiUS342303E Wiring Diagrams Part 7 Appendix 404 FXDQ07 09 12 18 24MVJU C 3D050501C...
Page 416: ...Wiring Diagrams SiUS342303E 409 Part 7 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 417: ...SiUS342303E Wiring Diagrams Part 7 Appendix 410 FXAQ07 09 12 18 24PVJU 3D075354F...
Page 424: ...Wiring Diagrams SiUS342303E 417 Part 7 Appendix VAM1200GVJU 3D073270D...
