Specifications

SiBE341027 Troubleshooting by Remote Controller
Service Diagnosis 99
2pt
k: ON h: OFF l: Blink
Error code
Operation
lamp
Error contents Page
Referred
Outdoor Unit E1 l PCB abnormality 104
E2 l Actuation of high pressure switch or pressure switch 105
E3 l Actuation of high pressure switch or pressure switch 106
E4 l Actuation of low pressure sensor 108
E5 l Inverter compressor motor lock 110
E6 l STD compressor motor overcurrent/Lock 112
E7 l Outdoor unit fan motor abnormality 113
E9 l Electronic expansion valve coil abnormality (Y1E ~ Y3E) 116
F3 l Abnormal discharge pipe temperature 118
F4 l Humidity alarm 120
F6 l Refrigerant overcharged 122
H3 l High pressure switch system abnormality 123
H7 l Abnormal outdoor fan motor signal 124
H9 l Abnormal outdoor air thermistor 126
J1 l High pressure sensor abnormality 127
J2 l Currents sensor abnormality 129
J3 l Abnormal discharge pipe thermistor 126
J5 l Abnormal suction pipe thermistor 126
J6 l Abnormal heat exchanger deicer thermistor 126
J7 l Abnormal liquid pipe thermistor 126
J8 l Abnormal receiver gas vent outlet thermistor 126
J9 l Abnormal subcooling heat exchanger outlet thermistor 126
JA l High pressure sensor abnormality 130
JC l Low pressure sensor abnormality 132
L1 l Inverter PCB abnormality 134
L4 l Inverter radiation fin temperature rise 136
L5 l Momentary overcurrent of inverter compressor 137
L8 l Overcurrent abnormal of inverter compressor 139
L9 l Inverter compressor starting abnormality 141
LA l Power unit abnormality —
LC l Transmission system error (between inverter and main PCB) 143
P1 l Inverter over-ripple protection 145
P4 l Inverter radiation fin temperature abnormality 147
PJ l
Field setting abnormality after replacing main PCB or combination error of
PCB
148
System U0 k Refrigerant shortage 149
U1 l Reverse phase, open phase 151
U2 l Power supply insufficient or instantaneous failure 152
U3 l Check operation is not executed 155
U4 l Transmission error (between indoor and outdoor units) 156
U5 l Transmission error (between remote controller and indoor unit) 159
U7 l Transmission error (Across outdoor units) 160
U8 l Transmission error (between main and sub remote controllers) 166
U9 l Transmission error (between indoor and outdoor units in the same system) 167
UA l Improper combination of indoor and outdoor units, indoor units and remote
controller
168
UC k Address duplication of centralized controller 172
UE l Transmission error (between centralized controller and indoor unit) 173
UF l System is not set yet 176
UH l System error, refrigerant system address undefined 177