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4-4 Troubleshooting by symptoms .................................................................................................................... 4-27
4-4-1 Indoor temperature sensor (open/short)(E121).......................................................................... 4-27
4-4-2 Indoor heat exchanger temperature sensor (open/short) (E122) ....................................... 4-28
4-4-3 Indoor FAN error (E154) ....................................................................................................................... 4-29
4-4-4 Communication error after finishing Tracking (E202) .............................................................. 4-30
4-4-5 Indoor unit float sensor error (E153) ................................................................................................ 4-31
4-4-6 EEPROM circuit failure (E162) ............................................................................................................. 4-32
4-4-7 Thermal Fuse Open Error ...................................................................................................................... 4-33
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5. PCB Diagram and Parts List
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5-1
5-1 Indoor Unit
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5-1
5-1-1 Indoor Unit
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5-1
5-1-2 Panel PCB
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5-2
5-2 Outdoor Unit
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5-6
6. Reference Sheet
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6-1
6-1 Index for Model Name
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6-1
6-2 Refrigerating Cycle Diagramc
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6-4