Specifications

Troubleshooting SiUS12-928_A
119 Service Diagnosis
5.14 Input Overcurrent Detection
Remote
Controller
Display
E8
Outdoor Unit LED
Display
A 5 1 1 2 4 3 1 4 4
Method of
Malfunction
Detection
Detected by checking the input current value
Malfunction
Decision
Conditions
 The input current is at a certain value (depending on the condition) for 2.5 seconds.
 The compressor halts if the error occurs, and restarts automatically after 3-minute standby.
Supposed
Causes
 Defective compressor
 Defective power transistor
 Defective inverter main circuit electrolytic capacitor
 Defective outdoor unit PCB
 Short circuit