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Error Codes and Description
SiUS091601EA
123
Part 6 Service Diagnosis
4. Error Codes and Description
: Displayed only when system down occurs.
Error
Codes
Description
Reference Page
FTX
FVXS
FDMQ
System
00
Normal
—
—
—
U0
Refrigerant shortage
—
—
—
U2
Low-voltage detection or over-voltage detection
U4
Signal transmission error (between indoor unit
and outdoor unit)
U5
Signal transmission error (between indoor unit
and remote controller)
—
—
U8
Signal transmission error (between MAIN/SUB
remote controller)
—
—
UA
Unspecified voltage (between indoor unit and
outdoor unit)
Indoor
Unit
A1
Indoor unit PCB abnormality
A3
Drain level control system abnormality
—
—
A5
Freeze-up protection control/heating peak-cut
control
—
A6
Indoor fan motor (DC motor) or related
abnormality
A8
Indoor fan PCB abnormality
—
—
AF
Humidifier or related abnormality
—
—
C4
Indoor heat exchanger thermistor or related
abnormality
C5
—
—
C9
Room temperature thermistor or related
abnormality
CJ
Remote controller thermistor abnormality
—
—
Outdoor
Unit
E1
Outdoor unit PCB abnormality
E5
OL activation (compressor overload)
E6
Compressor lock
E7
DC fan lock
E8
Input overcurrent detection
EA
Four way valve abnormality
F3
Discharge pipe temperature control
F6
High pressure control in cooling
F8
System shutdown due to temperature abnormality
in the compressor
H0
Compressor system sensor abnormality
H6
Position sensor abnormality
H9
Outdoor temperature thermistor or related
abnormality
J3
Discharge pipe thermistor or related abnormality
J6
Outdoor heat exchanger thermistor or related
abnormality
L3
Electrical box temperature rise
L4
Radiation fin temperature rise
L5
Output overcurrent detection
P4
Radiation fin thermistor or related abnormality
U7
Signal transmission error on outdoor unit PCB
Содержание FTX-N Series
Страница 14: ...SiUS091601EA 9 Part 1 General Information 1 Applicable Models 10 2 Functions 11 Part 1 General Information...
Страница 18: ...SiUS091601EA 13 Part 2 Specifications 1 Specifications 14 Part 2 Specifications...
Страница 132: ...Troubleshooting for FTX FVXS Series SiUS091601EA 127 Part 6 Service Diagnosis Reference Check No 01 Refer to P 181...
Страница 161: ...SiUS091601EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 156 Reference Check No 14 Refer to P 185...
Страница 165: ...SiUS091601EA Troubleshooting for Outdoor Unit Part 6 Service Diagnosis 160 Reference Check No 18 Refer to P 190...
Страница 180: ...Troubleshooting for Outdoor Unit SiUS091601EA 175 Part 6 Service Diagnosis Reference Check No 19 Refer to P 191...
Страница 197: ...SiUS091601EA Check Part 6 Service Diagnosis 192 12 class 15 class Multimeter R23024 R25105 1 2 3 4 Multimeter...
Страница 198: ...Check SiUS091601EA 193 Part 6 Service Diagnosis 18 24 class R24538 1 2 3 4 Multimeter...
Страница 201: ...SiUS091601EA Check Part 6 Service Diagnosis 196 18 24 class R24539 DC DC W V U...
Страница 228: ...Piping Diagrams SiUS091601EA 223 Part 8 Appendix 1 2 Outdoor Unit RXL09QMVJU RXL12QMVJU 9 3D100008 3D100009A...
Страница 229: ...SiUS091601EA Piping Diagrams Part 8 Appendix 224 RXL15QMVJU RXL18UMVJU 3D100007 3D123368...
Страница 230: ...Piping Diagrams SiUS091601EA 225 Part 8 Appendix RXL24UMVJU 3D107985A...