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Si12-619A
Troubleshooting
Service Diagnosis
229
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 input current is a certain value (depending on the model) or over for 2.5 seconds.
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
Summary of Contents for 3MKS50DVM
Page 13: ...Introduction Si12 619A xii ...
Page 131: ...Control Specification Si12 619A 118 Function and Control ...
Page 213: ...Instruction Si12 619A 200 Operation Manual ...
Page 283: ...Check Si12 619A 270 Service Diagnosis ...
Page 302: ...Si12 619A Outdoor Unit E Series 50 52 58 Class Removal Procedure 289 Step Procedure Points ...
Page 385: ...Wiring Diagrams Si12 619A 372 Appendix FTK X S50 60 71FVLT ...
Page 399: ...Si12 619A vi Index ...