Troubleshooting - Samsung RF4287HARS Service Manual

AW3 SM-EN 2011.3.31 2:55 PM 페이지56 in

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 ··························58
4-1-3. Self-diagnostic function ··································59
4-1-4. Display function of Load condition ·····························62
4-1-5. Exhibition mode setting function ······························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) ··················67
4-2-1. If the trouble is detected by self-diagnosis ··························69
4-2-2. If FAN does not operate ··································80
4-2-3. If ICE Room Fan does not operate ·····························81
4-2-4. If FAN does not operate (Flex Room - FAN) ·························82
4-2-5. If Ice Maker does not operate ·······························83
4-2-6. If defrost does not operate (F,R DEF Heater) ························84
4-2-7. If Power is not supplied ··································85
4-2-8. If compressor does not operate ······························86
4-2-9. When alarm sounds continuously without stop(related with buzzer sound) ············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 ······················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 ················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 ·····································97
Inverter controller board connector location ······························98
Inverter pcb circuit diagram ·····································99
4-3-1. inrush current protecting circuit ······························100
4-3-2. power source(hybrid ic) ·································100
4-3-3. location sensing resistance area ·····························101
4-3-4. sensing current area···································101
4-3-5. comp operating signal area ································102
4-3-6. bootstrap charging area ·································102
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