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14.4.17 F91 (Refrigeration Cycle Abnormality)
Malfunction Decision Conditions
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During cooling, compressor frequency = Fcmax.
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During cooling and heating operation, running current: 0.65A < I < 1.65A.
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During cooling, indoor intake - indoor pipe < 4°C.
Malfunction Caused
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Refrigerant shortage (refrigerant leakage)
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Poor compression performance of compressor.
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2/3 way valve closed.
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Detection error due to faulty indoor intake air or indoor pipe temperature sensors.
Troubleshooting
Содержание CS-S9NKV
Страница 15: ...15 4 2 3 CU S18NKV CU S24NKV...
Страница 16: ...16 4 2 4 CU S28NKV...
Страница 17: ...17 5 Refrigeration Cycle Diagram 5 1 CS S9NKV CU S9NKV CS S12NKV CU S12NKV...
Страница 18: ...18 5 2 CS S18NKV CU S18NKV CS S24NKV CU S24NKV...
Страница 19: ...19 5 3 CS S28NKV CU S28NKV...
Страница 24: ...24 7 Wiring Connection Diagram 7 1 Indoor Unit 7 1 1 CS S9NKV CS S12NKV...
Страница 25: ...25 7 1 2 CS S18NKV CS S24NKV...
Страница 26: ...26 7 1 3 CS S28NKV...
Страница 31: ...31 8 Electronic Circuit Diagram 8 1 Indoor Unit 8 1 1 CS S9NKV CS S12NKV...
Страница 32: ...32 8 1 2 CS S18NKV CS S24NKV...
Страница 33: ...33 8 1 3 CS S28NKV...
Страница 41: ...41 9 1 5 Human Activity Sensor Printed Circuit Board...
Страница 42: ...42 9 2 Outdoor Unit 9 2 1 Main Printed Circuit Board 9 2 1 1 CU S9NK...
Страница 43: ...43 9 2 1 2 CU S12NK...
Страница 44: ...44 9 2 1 3 CU S18NK CU S24NK...
Страница 45: ...45 9 2 1 4 CU S28NK...
Страница 46: ...46 9 2 2 Noise Filter Printed Circuit Board 9 2 2 1 CU S9NKV...
Страница 47: ...47 9 2 2 2 CU S28NKV...