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14.5 Self-diagnosis
Method
14.5.1 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
Содержание CS-ME9PB4EA
Страница 28: ...28 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control...
Страница 29: ...29 5 Dimensions 5 1 Indoor Unit...
Страница 30: ...30 6 Refrigeration Cycle Diagram...
Страница 31: ...31 7 Block Diagram...
Страница 32: ...32 8 Wiring Connection Diagram 8 1 Indoor Unit...
Страница 33: ...33 9 Electronic Circuit Diagram 9 1 Indoor Unit...
Страница 34: ...34 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board...
Страница 80: ...80 8 Remove the Fan Motor by release the Fan Motor lead wire connectors and Fan Motor screws Fig 8 Fig 8...
Страница 81: ...81 16 Exploded View and Replacement Parts List 16 1 Indoor Unit...