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Diagnosis by Malfunction Code
SiE-05C
128
Troubleshooting Inverter K Series
2. Diagnosis by Malfunction Code
2.1
Diagnosis by Malfunction Code
Malfunction code
Malfunction contents
Fan operation
Page
A0
Indoor unit: Error of external protection device
130
A1
Indoor unit: PC board defect
131
A3
Indoor unit: Malfunction of drain level control system (33H)
132
A6
Indoor unit: Fan motor (M1F) lock, overload
133
A7
Indoor unit: Malfunction of swing flap motor (M1S)
134
A9
Indoor unit: Malfunction of moving part of electronic expansion valve
(Y1E)
135
AF
Indoor unit: Drain level above limit
136
AJ
Indoor unit: Malfunction of capacity determination device
136
C4
Indoor unit: Malfunction of thermistor (R2T) for liquid pipe
137
C5
Indoor unit: Malfunction of thermistor (R3T) for gas pipes
137
C9
Indoor unit: Malfunction of thermistor (R1T) for air inlet
138
CJ
Indoor unit: Malfunction of thermostat sensor in remote controller
138
E0
Outdoor unit: Actuation of safety device
139
E1
Outdoor unit: PC board defect
139
E3
Outdoor unit: Actuation of high pressure switch
140
E4
Outdoor unit: Actuation of low pressure switch
141
E9
Outdoor unit: Malfunction of moving part of electronic expansion
valve (Y1E)
142
F3
Outdoor unit: Abnormal discharge pipe temperature
143
H9
Outdoor unit: Malfunction of thermistor for outdoor air (R1T)
144
J3
Outdoor unit: Malfunction of discharge pipe thermistor (R3T)
144
J5
Outdoor unit: Malfunction of thermistor (R4T) for suction pipe
145
J6
Outdoor unit: Malfunction of thermistor (R2T) for heat exchanger
145
JA
Outdoor unit: Malfunction of discharge pipe pressure sensor
146
JC
Outdoor unit: Malfunction of suction pipe pressure sensor
147
JH
Outdoor unit: Malfunction of oil temperature thermistor (R5T)
148
U0
Low pressure drop due to refrigerant shortage or electronic
expansion valve failure
149
U1
Negative phase, open phase
150
U2
Power supply insufficient or instantaneous failure
166
U4
Malfunction of transmission between indoor units
151
U5
Malfunction of transmission between remote controller and indoor
unit
152
U7
Malfunction of transmission between outdoor units
153
U8
Malfunction of transmission between master and slave remote
controllers
154
U9
Malfunction of transmission between indoor and outdoor units in the
same system
155
UA
Excessive number of indoor units
156
UC
Address duplication of central remote controller
156
UF
Refrigerant system not set, incompatible wiring/piping
157
UH
Malfunction of system, refrigerant system address undefined
158
SI-05C.BOOK Page 128 Monday, November 6, 2000 4:13 PM
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