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14.4.2 H12 (Indoor/Outdoor Capacity Rank Mismatched)
Malfunction Decision Conditions
During startup, error code appears when different types of indoor and outdoor units are interconnected.
Malfunction Caused
Wrong models interconnected.
Wrong indoor unit or outdoor unit PCBs mounted.
Indoor unit or outdoor unit PCBs defective.
Indoor-outdoor unit signal transmission error due to wrong wiring.
Indoor-outdoor unit signal transmission error due to breaking of wire 3 in the connection wires between the indoor
and outdoor units.
Troubleshooting
Summary of Contents for CS-YS12MKV-7
Page 11: ...11 3 Location of Controls and Components 3 1 Indoor Unit 3 2 Outdoor Unit 3 3 Remote Control ...
Page 12: ...12 4 Dimensions 4 1 Indoor Unit 4 1 1 CS YS9MKV 7 CS YS12MKV 7 ...
Page 13: ...13 4 1 2 CS YS18MKV 7 CS YS22MKV 7 ...
Page 14: ...14 4 2 Outdoor Unit 4 2 1 CU YS9MKV 7 4 2 2 CU YS12MKV 7 CU YS18MKV 7 ...
Page 15: ...15 4 2 3 CU YS22MKV 7 ...
Page 16: ...16 5 Refrigeration Cycle Diagram 5 1 CS YS9MKV 7 CU YS9MKV 7 CS YS12MKV 7 CU YS12MKV 7 ...
Page 17: ...17 5 2 CS YS18MKV 7 CU YS18MKV 7 CS YS22MKV 7 CU YS22MKV 7 ...
Page 18: ...18 6 Block Diagram 6 1 CS YS9MKV 7 CU YS9MKV 7 ...
Page 19: ...19 6 2 CS YS12MKV 7 CU YS12MKV 7 ...
Page 20: ...20 6 3 CS YS18MKV 7 CU YS18MKV 7 ...
Page 21: ...21 6 4 CS YS22MKV 7 CU YS22MKV 7 ...
Page 22: ...22 7 Wiring Connection Diagram 7 1 Indoor Unit 7 1 1 CS YS9MKV 7 CS YS12MKV 7 ...
Page 23: ...23 7 1 2 CS YS18MKV 7 CS YS22MKV 7 ...
Page 28: ...28 8 Electronic Circuit Diagram 8 1 Indoor Unit 8 1 1 CS YS9MKV 7 CS YS12MKV 7 ...
Page 29: ...29 8 1 2 CS YS18MKV 7 CS YS22MKV 7 ...
Page 30: ...30 8 2 Outdoor Unit 8 2 1 CU YS9MKV 7 ...
Page 31: ...31 8 2 2 CU YS12MKV 7 ...
Page 32: ...32 8 2 3 CU YS18MKV 7 ...
Page 33: ...33 8 2 4 CU YS22MKV 7 ...
Page 34: ...34 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board ...
Page 36: ...36 9 1 3 Indicator Printed Circuit Board ...
Page 37: ...37 9 2 Outdoor Unit 9 2 1 Main Printed Circuit Board 9 2 1 1 CU YS9MKV 7 ...
Page 38: ...38 9 2 1 2 CU YS12MKV 7 ...
Page 39: ...39 9 2 1 3 CU YS18 22MKV 7 ...
Page 43: ...43 This can be used for left rear piping and bottom piping also ...
Page 87: ...87 15 2 3 To remove power electronic controller Figure 14 Figure 15 Figure 16 ...