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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