Input Overcurrent Detection - Daikin G-Series Service Manual

Troubleshooting

4.11 Input Overcurrent Detection

E8
Remote
Controller
Display
Method of An input overcurrent is detected by checking the power consumption value of outdoor unit with
Malfunction the compressor running.
Detection
Malfunction
Decision
Conditions
Supposed
Causes
188
The following input value (calculated from power consumption of outdoor unit) with the
compressor running continues for 2.5 seconds.
Input value : Above 15 A
Overcurrent due to compressor failure
Overcurrent due to defective power transistor
Overcurrent due to defective inverter main circuit electrolytic capacitor
Overcurrent due to defective outdoor unit PCB
Error detection due to outdoor unit PCB
Overcurrent due to short-circuit
SiBE12-933_A
Service Diagnosis