Troubleshooting by Error Code SiAF332111E
190 Part 6 Service Diagnosis
5. Troubleshooting by Error Code
5.1 Error Codes and Descriptions
k: ON h: OFF l: Blink
Error code
Operation
lamp
Description
Reference
page
Indoor Unit A0 l External protection device abnormality 197
A1 l Indoor unit PCB abnormality 198
A3 l Drain level control system abnormality 199
A6 l
Indoor fan motor lock, overload 201
Indoor fan motor abnormality 203
A8 l Power supply voltage abnormality 208
A9 l Electronic expansion valve coil abnormality, dust clogging 211
AF k Humidifier system abnormality 212
AH l Auto grille unit error 213
AJ l Defective capacity setting 214
C1 l
Transmission abnormality (between indoor unit PCB and fan PCB) 215
Transmission error 217
Transmission error (between indoor unit PCB and auto grille control PCB) 218
C4 l Indoor heat exchanger liquid pipe thermistor abnormality 220
C5 l Indoor heat exchanger gas pipe thermistor abnormality 220
C6 l
Combination abnormality (between indoor unit PCB and fan PCB) 221
Capacity setting abnormality 222
Indoor unit PCB abnormality 223
C9 l Suction air thermistor abnormality 220
CE k Infrared presence/floor sensor error 224
CJ k Remote controller thermistor abnormality 229