Troubleshooting
SiUS12-928_A
141
Service Diagnosis
5.24 Output Overcurrent Detection
Remote
Controller
Display
L5
Outdoor Unit LED
Display
A
1
2
3
4
Method of
Malfunction
Detection
An output overcurrent is detected by checking the current that flows in the inverter DC section.
Malfunction
Decision
Conditions
A position signal error occurs while the compressor is running.
A speed error occurs while the compressor is running.
An output overcurrent signal is fed from the output overcurrent detection circuit to the
microcomputer.
If the error repeats 16 times, the system is shut down.
Reset condition: Continuous run for about 5 minutes without any other error
Supposed
Causes
Defective power transistor
Wrong internal wiring
Abnormal supply voltage
Defective outdoor unit PCB
Closed stop valve
Defective compressor
Poor installation condition
Содержание SUPER MULTI NX G Series
Страница 1: ...SiUS12 928_A Applied Models Inverter Multi Heat Pump G Series J Series...
Страница 7: ...SiUS12 928_A Table of Contents vi...
Страница 10: ...SiUS12 928_A 1 List of Functions Part 1 List of Functions 1 Functions 3...
Страница 11: ...SiUS12 928_A List of Functions 2...
Страница 16: ...SiUS12 928_A 7 Specifications Part 2 Specifications 1 Specifications 9 1 1 Indoor Unit 9 1 2 Outdoor Unit 11...
Страница 17: ...SiUS12 928_A Specifications 8...
Страница 23: ...SiUS12 928_A Specifications Specifications 14...
Страница 25: ...SiUS12 928_A Printed Circuit Board Connector Wiring Diagram 16...
Страница 35: ...SiUS12 928_A Printed Circuit Board Connector Wiring Diagram Printed Circuit Board Connector Wiring Diagram 26...
Страница 37: ...SiUS12 928_A Function and Control 28...
Страница 69: ...SiUS12 928_A Control Specification Function and Control 60...
Страница 71: ...SiUS12 928_A Operation Manual 62...
Страница 73: ...SiUS12 928_A Duct Free System Operation Manual 64 2 Duct Free System 2 1 Remote Controller...
Страница 83: ...SiUS12 928_A Duct Free System Operation Manual 74 2 7 HOME LEAVE Operation is no longer displayed on the LCD...
Страница 84: ...Duct Free System SiUS12 928_A 75 Operation Manual...
Страница 85: ...SiUS12 928_A Duct Free System Operation Manual 76 2 8 TIMER Operation...
Страница 86: ...Duct Free System SiUS12 928_A 77 Operation Manual...
Страница 87: ...SiUS12 928_A Duct Free System Operation Manual 78 2 9 Note for Multi System...
Страница 88: ...Duct Free System SiUS12 928_A 79 Operation Manual...
Страница 97: ...SiUS12 928_A Slim Duct Built In System Operation Manual 88...
Страница 99: ...SiUS12 928_A Service Diagnosis 90...
Страница 169: ...SiUS12 928_A Removal Procedure 160...
Страница 225: ...SiUS12 928_A Trial Operation and Field Settings 216...
Страница 235: ...SiUS12 928_A Appendix 226...
Страница 243: ...SiUS12 928_A Wiring Diagrams Appendix 234...