FTX-N/U, FVXS-N, FDMQ-R Series EDUS091558E
413
3P124623-1E
18
C4
Indoor unit · Liquid piping thermistor (Th2) Error (faulty connec-
tion, cut wire, short circuit, fault)
C5
Indoor unit · BEV unit, gas piping thermistor (Th3) Error (faulty
connection, cut wire, short circuit, fault)
C9
Indoor unit · Intake air thermistor (Th1) Error (faulty connection,
cut wire, short circuit, fault)
CA
Indoor unit · Outlet air thermistor (Th4) Error (faulty connection,
cut wire, short circuit, fault)
CJ
Indoor unit · remote controller sensor error
E0 Outdoor unit · Safety device operation
E1 Outdoor unit · PC board assembly fault
E1
Outdoor unit · PC board assembly fault
E3 Outdoor unit · High-pressure switch fault
E4 Outdoor unit · Low-pressure switch fault
E9 Outdoor unit · Electric expansion valve motor (20E) error
EC
Heat source unit · Intake water temperature inter-lock operation
(fan operation)
EF Outdoor unit · Ice thermal storage unit error
F3 Outdoor unit · Discharge piping temperature error
H3 Outdoor unit · High-pressure switch operation
H4 Outdoor unit · Low-pressure switch operation
H9
Outdoor unit · Outdoor air thermistor (Th1)
Error (faulty connection, cut wire, short circuit, fault)
H9
Outdoor unit · Outdoor air thermistor (Th1)
Error (faulty connection, cut wire, short circuit, fault)
HC Outdoor unit · Water temperature sensor system error
HF
Ice thermal storage unit error, ice thermal storage controller error,
error in outdoor unit during ice thermal storage operation
HJ Outdoor unit · water system fault
J1 Outdoor unit · pressure sensor error
J3
Outdoor unit · Discharge piping thermistor (Th3)
Error (faulty connection, cut wire, short circuit, fault)
J3
Outdoor unit · Discharge piping thermistor (Th3)
Error (faulty connection, cut wire, short circuit, fault)
J5
Outdoor unit · Intake piping thermistor (Th4)
Error (faulty connection, cut wire, short circuit, fault)
J6 Outdoor unit · Heat exchange thermistor (Th2) error
J6
Outdoor unit · Heat exchange thermistor (Th2) error
Error (faulty connection, cut wire, short circuit, fault)
J7 Outdoor unit · Header thermistor (Th6) error
JA Outdoor unit · Discharge piping pressure sensor error
JC Outdoor unit · Intake piping pressure sensor error
JF Outdoor unit · Oil temperature sensor (Th5) system error
JH
Outdoor unit · Oil temperature sensor (Th5) system error
L0 Outdoor unit · Inverter system fault
L4 Outdoor unit · Inverter cooler fault
L5
Outdoor unit · Ground circuit for compressor motor, short circuit,
or power unit short circuit