Daikin F-Series - Input over Current Detection

SiBE12-713 Troubleshooting
Service Diagnosis 253
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
≥
20A (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