SiEBE12-625 Troubleshooting
Service Diagnosis 217
5.15 Input Over Current Detection
Remote
Controller
Display
E8
Outdoor Unit LED
Display
A 5 1 1 2 4 3 1 4 4
Method of
Malfunction
Detection
Malfunction is detected by checking the input current value.
Malfunction
Decision
Conditions
The following condition continues for 2.5 seconds.
Input current ≥ 11A (typical value)
The compressor halts if the error occurs, and restarts automatically after 3 minutes stand-by.
Supposed
Causes
Over-current due to compressor failure
Over-current due to defective power transistor
Over-current due to defective inverter main circuit electrolytic capacitor
Over-current due to defective outdoor unit PCB
Error detection due to outdoor unit PCB
Over-current due to short-circuit
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