Input Over Current Detection - Daikin E Series Service Manual

Troubleshooting

2.21 Input Over Current Detection

E8
Remote
Controller Display
Outdoor Unit LED A5
Display
Method of Detect an input overcurrent by checking the inverter power consumption or the input current
detected by CT with the compressor running.
Malfunction
Detection
Malfunction
Decision
Conditions
Supposed
Causes
168
5 5 ( - )
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.
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
SiBE04-624
Service Diagnosis