Diagnosis | Abnormality / | Abnormality | Protection | Problem | Check location | |
display | Protection control | Judgement | operation | |||
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F97 | Compressor | 3 times happen | — | Compressor overheat | • Insufficient refrigerant | |
| overheating protection | within 30 minutes |
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F98 | Total running current | 3 times happen | — | Total current protection | • Check refrigeration system | |
| protection | within 20 minutes |
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| • Power source or compressor lock | |
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F99 | Outdoor direct current | Continuous | — | Power transistor module | • Power transistor module faulty or | |
| (DC) peak detection | happen for 7 times |
| current protection | compressor lock | |
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