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Troubleshooting by Error Code
SiUS331708EA
153
Service Diagnosis
Notes:
∗
1. The system can keep operating, however, be sure to check and repair.
∗
2. The system may or may not continue operation depending on the conditions.
Outdoor Unit
L5
l
Inverter compressor instantaneous overcurrent
L8
l
Inverter compressor overcurrent
L9
l
Inverter compressor startup abnormality
LC
l
Transmission error (between microcomputers on the outdoor main PCB)
P1
l
Inverter circuit capacitor high voltage
P4
(
∗
1)
k
Radiation fin thermistor abnormality
System
U0
(
∗
1)
k
Refrigerant shortage
U2
l
Power supply insufficient or instantaneous abnormality
U3
l
Check operation not executed
U4
l
Transmission error between indoor units and outdoor units
U5
l
Transmission error between remote controller and indoor unit
U8
l
Transmission error between main and sub remote controllers
U9
l
Transmission error between indoor and outdoor units in the same system
UA
l
Improper combination of indoor and outdoor units, indoor units and remote
controller
Incorrect gas furnace connecting number
Incorrect electric heater capacity setting
UC
(
∗
1)
k
Address duplication of centralized controller
UE
l
Transmission error between centralized controller and indoor unit
UF
l
System not set
UH
l
System abnormality, refrigerant system address undefined
Climate Talk communication system combination error (before initial setting for
communication completes)
Climate Talk communication system combination error (after initial setting for
communication completes)
M1
l
Defective PCB
M8
l
Transmission error (Between centralized controllers)
MA
l
Poor centralized controller combination
MC
l
Address duplication, poor setting
—
l
Operation lamp blinking
—
l
Central control indicator lamp blinking (One blink)
—
l
Central control indicator lamp blinking (Two blinks)
k
: ON
h
: OFF
l
: Blink
Error code
Operation
lamp
Description
Reference
Page
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...