Specifications

SiUS39-602 Troubleshooting by Remote Controller
Troubleshooting 123
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 127
A1 999PC board defect, E
2
PROM defect 128
A3 999Malfunction of drain level control system (S1L) 129
A6 999Fan motor (MIF) lock, overload 131
A7 879Malfunction of swing flap motor (MA) 132
A9 999
Malfunction of moving part of electronic expansion valve (20E) 134
AF 879Drain level above limit 136
AH 879Malfunction of air filter maintenance —
AJ 999Malfunction of capacity setting 137
C4 999Malfunction of thermistor (R2T) for heat exchange
(loose connection, disconnection, short circuit, failure)
138
C5 999Malfunction of thermistor (R31T, R32T) for gas pipes
(loose connection, disconnection, short circuit, failure)
139
C9 999Malfunction of thermistor (R1T) for air inlet (loose
connection, disconnection, short circuit, failure)
140
CJ 888Malfunction of thermostat sensor in remote controller 141
Outdoor
Unit
E1 999PC board defect 142
E3 999Actuation of high pressure switch 143
E4 999Actuation of low pressure sensor 144
E5 999Compressor motor lock (INV compressor) 145
E6 999Standard compressor lock or over current 146
E7 999Malfunction of outdoor unit fan motor 147
E9 999Malfunction of moving part of electronic expansion
valve (Y1E~3E)
149
F3 999Abnormal discharge pipe temperature 151
F6 999Refrigerant overcharged 152
H3 879Malfunction of High pressure switch —
H4 999Actuation of Low pressure switch —
H7 999Abnormal outdoor fan motor signal 153
H9 999Malfunction of thermistor (R1T) for outdoor air (loose
connection, disconnection, short circuit, failure)
154
J2 999Current sensor malfunction 155
J3 999
Malfunction of discharge pipe thermistor (R31~32T)
(loose connection, disconnection, short circuit, failure)
156
J4 999
Malfunction of heat exchanger gas pipe thermistor (R81, 82T) 157
J5 999Malfunction of thermistor (R2T) for suction pipe (loose
connection, disconnection, short circuit, failure)
158
J6 999Malfunction of thermistor (R4T) for heat exchanger
(loose connection, disconnection, short circuit, failure)
159
J7 999
Malfunction of receiver outlet liquid pipe thermistor (R6T) 160
J8 999Malfunction of thermistor (R7T) for oil equalizing pipe.
(loose connection, disconnection, short circuit, failure)
161
J9 999Malfunction of receiver gas pipe thermistor (R5T) 162
JA 999Malfunction of discharge pipe pressure sensor 163
JC 999Malfunction of suction pipe pressure sensor 164
L0 999Inverter system error —
L4 999Malfunction of inverter radiating fin temperature rise 165
L5 999Inverter compressor motor grounding, short circuit 166
L6 999Compressor motor coil grounding on short circuit —
L8 999Inverter current abnormal 167
L9 999Inverter start up error 168