Rev. Ref1010S025V0
6. System Flow Principle ···························································································· 23
6-1. Refrigeration flow chart ·················································································· 23
6-2. Perspective of the refrigeration system ·························································· 23
6-3. Air flow scenograph ······················································································· 25
7. Circuit Diagram ······································································································· 26
7-1. Main control PCB diagram ············································································· 26
7-2. Main control PCB connections ······································································· 27
8. Trouble Shooting ···································································································· 29
8-1. Common problems and solutions ·································································· 29
8-1-1. No defrosting ·························································································· 29
8-1-2. Neither display nor start when powering on ············································ 29
8-1-3. Poor freezing effect accompanied by loud noise ····································· 29
8-2. Examination and solutions for other problems ··············································· 30
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