Samsung RF4287HABP, Service Manual

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56
4. TROUBLESHOOTING
4-1) Function for failure diagnosis ··································· 57
4-1-1. Test mode (manual operation / manual defrost function) ···················· 57
4-1-2. Display function of Communication error
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58
4-1-3. Self-diagnostic function ·································· 59
4-1-4. Display function of Load condition ····························· 62
4-1-5. Exhibition mode setting function
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63
4-1-6. Option setting function ·································· 64
4-1-7. Option TABLE ······································ 66
4-2) Diagnostic method according to the trouble symptom(Flow Chart)
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67
4-2-1. If the trouble is detected by self-diagnosis ·························· 69
4-2-2. If FAN does not operate
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80
4-2-3. If ICE Room Fan does not operate
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81
4-2-4. If FAN does not operate (Flex Room - FAN) ························· 82
4-2-5. If Ice Maker does not operate
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83
4-2-6. If defrost does not operate (F,R DEF Heater)
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84
4-2-7. If Power is not supplied ·································· 85
4-2-8. If compressor does not operate
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86
4-2-9. When alarm sounds continuously without stop(related with buzzer sound)
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88
4-2-10. If Mid Drawer Panel PCB does not work normally ······················ 90
4-2-11. When refrigerator ROOM Lamp does not light up
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91
4-2-12. If ICE Water is not supplied ································ 92
4-2-13. If Cubed or Crushed Ice is not supplied ·························· 93
4-2-14. If Cover Ice Route Motor(Geard Motor) is not working normally
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94
4-2-15. If Inverter PCB Power is not supplied ··························· 95
4-2-16. LED blinking frequency depending on protecting functions ·················· 96
Spm internal diode voltage
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97
Inverter controller board connector location ······························ 98
Inverter pcb circuit diagram ····································· 99
4-3-1. inrush current protecting circuit
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100
4-3-2. power source(hybrid ic) ································· 100
4-3-3. location sensing resistance area
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101
4-3-4. sensing current area
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101
4-3-5. comp operating signal area ································ 102
4-3-6. bootstrap charging area
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102
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