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SiUS331708EA
Troubleshooting by Error Code
Service Diagnosis
158
Selection of setting item
Confirmation of error 1
To enter the monitor mode, press
the
MODE (BS1)
button when in
“Setting mode 1”.
Press the
SET (BS2)
button and set
the LED display to a setting item.
Press the
RETURN (BS3)
button
once to display "First digit" of error
code.
Confirmation of error 2
Press the
SET (BS2)
button once to
display "Second digit" of error code.
Press the
RETURN (BS3)
button
and switches to the initial status of
“Monitor mode”.
∗
Press the
MODE (BS1)
button and
return to “Setting mode 1”.
Confirmation of error 3
Press the
SET (BS2)
button once to
display "error location".
Detailed
description
on next
page.
Confirmation of error 4
Press the
SET (BS2)
button once to
display "master or slave 1 or slave 2"
and "error location".
Monitor mode
Error Description
Error Code
Inverter over-ripple protection
Imbalance of inverter power supply
voltage
P1
Defective temperature sensor of
inverter radiation fin
Defective thermistor of inverter fin
P4
Refrigerant shortage
Refrigerant shortage alarm
U0
Liquid pipe temperature abnormality
Abnormal power supply voltage
Insufficient Inverter voltage
U2
Open phase in inverter (Phase T)
Error due to SP-PAM overvoltage
Error due to P-N short circuit
No implementation of test-run
U3
Transmission error between indoor
and outdoor unit
I/O transmission error
U4
Indoor unit system error
Transmission error of other system
Indoor unit system abnormal in other
system or other indoor unit system
abnormal in own system
U9
Erroneous field setting
System transmission error
UA
Overconnection error of indoor units
Error of field setting
Refrigerant abnormal
Connection error (BP unit)
Connection error (Gas furnace)
Conflict in wiring and piping, no setting
for system
Conflict in wiring and piping
UF
Defective system
Wiring error (Auto-address error)
UH
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...