Specifications

Troubleshooting SiBE04-624
168 Service Diagnosis
2.21 Input Over Current Detection
Remote
Controller Display
E8
Outdoor Unit LED
Display
A5 5 5 ( - )
Method of
Malfunction
Detection
Detect an input overcurrent by checking the inverter power consumption or the input current
detected by CT with the compressor running.
Malfunction
Decision
Conditions

When 14 A or more of inverter power consumption or CT input continues for 5 sec.

The compressor stops if the error occurs, and restarts automatically after 3 minutes standby.
Supposed
Causes

Overcurrent due to defective compressor

Overcurrent due to defective power transistor

Overcurrent due to defective electrolytic capacitor of inverter main circuit

Overcurrent due to defective outdoor unit PCB

Detection error due to defective outdoor unit PCB

Overcurrent due to short circuit