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Troubleshooting by Error Code
SiUS331708EA
241
Service Diagnosis
Troubleshooting
Caution
Be sure to turn off the power switch before connecting or disconnecting
connectors, or parts may be damaged.
NO
YES
YES
After fixing incorrect wiring,
press and hold the
RESET
(BS5)
button on the outdoor
unit PCB for 5 seconds.
∗
The unit will not run for up to
12 minutes.
Normal
NO
YES
Normal
NO
Does an error occur?
NO
Does a
UH
error
occur for all indoor
units in the system?
YES
NO
YES
Replace the indoor unit PCB.
Replace the outdoor main
PCB (A1P).
Press and hold the
RESET
(BS5)
button on the outdoor
unit PCB for 5 seconds
Does
an error
occur even after
12 minutes elapses
from the time when
electricity is introduced
to indoor and
outdoor
units?
Is
electricity
being introduced
for the first time after
installation or after an indoor
or outdoor unit PCB
has been
replaced?
Is indoor-
outdoor unit
transmission wiring
normal? (
∗
1)
∗
1: Refer to installation manual for correct "indoor unit and outdoor unit connection
wiring".
∗
2: Automatic address refers to the automatic designated address of indoor unit and
outdoor unit when connected to the power after installation or wiring replacement
(with
RESET (BS5)
button pressed for more than 5 seconds).
Summary of Contents for RXSQ24TAVJU
Page 1: ...Service Manual SiUS331708EA RXSQ24 36 48 60TAVJU Heat Pump 60 Hz...
Page 290: ...Wiring Diagrams SiUS331708EA 277 Appendix RXSQ48TAVJU 3D109546A...
Page 291: ...SiUS331708EA Wiring Diagrams Appendix 278 RXSQ60TAVJU 3D109547A...
Page 295: ...SiUS331708EA Wiring Diagrams Appendix 282 FXZQ05 07 09 12 15 18TAVJU 3D110443A...
Page 298: ...Wiring Diagrams SiUS331708EA 285 Appendix FXEQ07 09 12 15 18 24PVJU 3D098557A...
Page 300: ...Wiring Diagrams SiUS331708EA 287 Appendix FXSQ05 07 09 12 15 18 24 30 36 48 54TAVJU 3D110467B...
Page 301: ...SiUS331708EA Wiring Diagrams Appendix 288 FXMQ07 09 12 15 18 24 30 36 48 54PBVJU 3D093209B...
Page 302: ...Wiring Diagrams SiUS331708EA 289 Appendix FXHQ12 24 36MVJU 3D048116C...
Page 303: ...SiUS331708EA Wiring Diagrams Appendix 290 FXAQ07 09 12 18 24PVJU 3D075354C...
Page 309: ...SiUS331708EA Wiring Diagrams Appendix 296 VAM1200GVJU 3D073270D...