Specifications

Troubleshooting by Remote Controller SiUS39-601
116 Troubleshooting
8
: ON
7
: OFF
9
: Blink
Malfunction
code
Operation
lamp
Inspection
display
Unit No. Malfunction contents Page
Referred
Indoor
Unit
A0 999Error of external protection device 120
A1 999PC board defect, E
2
PROM defect 121
A3 999Malfunction of drain level control system (S1L) 122
A6 999Fan motor (M1F) lock, overload 124
A7 879Malfunction of swing flap motor (MA) 125
A9 999Malfunction of moving part of electronic expansion
valve (20E)
127
AF 879Drain level above limit 129
AH 879Malfunction of air filter maintenance —
AJ 999Malfunction of capacity setting 130
C4 999Malfunction of thermistor (R2T) for heat exchange
(loose connection, disconnection, short circuit,
failure)
131
C5 999Malfunction of thermistor (R3T) for gas pipes (loose
connection, disconnection, short circuit, failure)
132
C9 999Malfunction of thermistor (R1T) for air inlet (loose
connection, disconnection, short circuit, failure)
133
CJ 888Malfunction of thermostat sensor in remote controller 134
Outdoor
Unit
E1 999PC board defect 135
E3 999Actuation of high pressure switch 136
E4 999Actuation of low pressure sensor 137
E5 999Compressor motor lock (INV compressor) 139
E6 999Standard compressor lock or over current 141
E7 999Malfunction of outdoor unit fan motor 142
E9 999Malfunction of moving part of electronic expansion
valve (Y1E~3E)
144
F3 999Abnormal discharge pipe temperature 146
F6 999Refrigerant overcharged 147
H3 879Malfunction of High pressure switch —
H4 999Actuation of Low pressure switch —
H7 999Abnormal outdoor fan motor signal 148
H9 999Malfunction of thermistor (R1T) for outdoor air (loose
connection, disconnection, short circuit, failure)
150
J2 999Current sensor malfunction 151
J3 999
Malfunction of discharge pipe thermistor (R31~33T)
(loose connection, disconnection, short circuit, failure)
152
J5 999
Malfunction of thermistor (R2T) for suction pipe (loose
connection, disconnection, short circuit, failure)
153
J6 999Malfunction of thermistor (R4T) for heat exchanger
(loose connection, disconnection, short circuit,
failure)
154
J7 999
Malfunction of receiver outlet liquid pipe thermistor (R6T) 155
J8 999Malfunction of thermistor (R7T) for oil equalizing pipe.
(loose connection, disconnection, short circuit,
failure)
156
J9 999Malfunction of sub-cooling heat exchanger gas pipe
thermistor (R5T)
157
JA 999Malfunction of discharge pipe pressure sensor 158
JC 999Malfunction of suction pipe pressure sensor 160
L0 999Inverter system error —
L4 999Malfunction of inverter radiating fin temperature rise 161
L5 999Inverter compressor motor grounding, short circuit 162
L6 999Compressor motor coil grounding on short circuit —
L8 999Inverter current abnormal 163
L9 999Inverter start up error 165