Input Overcurrent Detection - Daikin SUPER MULTI NX G Series Service Manual

Troubleshooting

5.14 Input Overcurrent Detection

E8
Remote
Controller
Display
Outdoor Unit LED
A 5
Display
Method of
Detected by checking the input current value
Malfunction
Detection
 The input current is at a certain value (depending on the condition) for 2.5 seconds.
Malfunction
 The compressor halts if the error occurs, and restarts automatically after 3-minute standby.
Decision
Conditions
 Defective compressor
Supposed
 Defective power transistor
Causes
 Defective inverter main circuit electrolytic capacitor
 Defective outdoor unit PCB
 Short circuit
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SiUS12-928_A
Service Diagnosis