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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-CE12NKE
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 18: ...18 8 2 Outdoor Unit ...
Page 19: ...19 9 Electronic Circuit Diagram 9 1 Indoor Unit ...
Page 20: ...20 9 2 Outdoor Unit ...
Page 22: ...22 10 2 Outdoor Unit ...
Page 45: ...45 15 3 Error Codes Table ...
Page 46: ...46 ...
Page 74: ...74 17 Technical Data 17 1 Operation Characteristics 17 1 1 CU CE9NKE ...
Page 75: ...75 ...
Page 76: ...76 ...
Page 77: ...77 ...
Page 78: ...78 17 1 2 CU CE12NKE ...
Page 79: ...79 ...
Page 80: ...80 ...
Page 81: ...81 ...