Daikin AC Error Code E1
Description: Outdoor Unit PCB Abnormality. Method of Malfunction Detection: The system checks if the microprocessor is working in order. The system checks if the zero-cross signal comes in properly. Malfunction Decision Conditions: The microprocessor program runs out of control. The zero-cross signal is not detected. Supposed Causes: Defective outdoor unit PCB Broken harness between PCBs … Read more