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15.4 Self-diagnosis
Method
15.4.1 H11 (Indoor/Outdoor Abnormal Communication)
Malfunction Decision Conditions
•
During startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal
transmission is checked whether it is normal.
Malfunction Caused
•
Faulty indoor unit PCB.
•
Faulty outdoor unit PCB.
•
Indoor unit-outdoor unit signal transmission error due to wrong wiring.
•
Indoor unit-outdoor unit signal transmission error due to breaking of wire in the connection wires between the
indoor and outdoor units.
•
Indoor unit-outdoor unit signal transmission error due to disturbed power supply waveform.
Troubleshooting
Summary of Contents for CS-NE9NKE
Page 12: ...12 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control...
Page 13: ...13 5 Dimensions 5 1 Indoor Unit...
Page 14: ...14 5 2 Outdoor Unit...
Page 15: ...15 6 Refrigeration Cycle Diagram...
Page 16: ...16 7 Block Diagram...
Page 17: ...17 8 Wiring Connection Diagram 8 1 Indoor Unit...
Page 19: ...19 9 Electronic Circuit Diagram 9 1 Indoor Unit...
Page 20: ...20 9 2 Outdoor Unit...
Page 23: ...23 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board...
Page 29: ...29...
Page 90: ...90 Figure 3 Figure 4 16 1 1 3 To remove discharge grille Figure 5...
Page 92: ...92 Figure 8 Figure 9...
Page 93: ...93 Figure 10...