Samsung RF18A Series Service Manual page 4

5. Check the installation status ............................................................................................................. 63
5-1) Function for failure diagnosis ............................................................................................................................................ 63
5-1-1. Test mode (manual operation / manual defrost function) ................................................................................. 63
5-1-2. Self-diagnostic function ......................................................................................................................................... 67
5-1-3. Display function of Load condition ....................................................................................................................... 73
5-1-4. DEMO MODE 1 : Cooling OFF Mode setting function (North America model) ................................................ 75
5-1-5. DEMO MODE 2 : Exhibition Mode setting function (All regions except for North America) .........................76
5-1-6. Option setting function ...........................................................................................................................................77
5-1-7. Option TABLE ........................................................................................................................................................... 81
5-2) Diagnostic method according to the trouble symptom (Flow Chart) .......................................................................... 84
6. Self Diagnosis & Trouble Shooting ..................................................................................................... 86
6-1) If the trouble is detected by self-diagnosis ..................................................................................................................... 86
6-2) IF FAN does not operate ..................................................................................................................................................... 89
6-3) When ICE MAKER(FZ) does not operate (OPTION) ..........................................................................................................91
6-4) If defrost does not operate (F/R DEF Heater) .................................................................................................................. 92
6-5) When Power is not applied ................................................................................................................................................ 93
6-6) When Compressor does not run (Inverter COMP.) .......................................................................................................... 94
6-7) When alarm sounds continuously without stop (related with buzzer sound) ............................................................ 95
6-8) When the Inner Panel PBA does not operate normally ................................................................................................. 97
6-9) When refrigerator ROOM Lamp does not light up ......................................................................................................... 98
6-10) If ICE Water is not supplied (OPTION) ............................................................................................................................. 99
6-11) LED blinking frequency depending on protecting functions .................................................................................... 100
7. PCB DIAGRAM .................................................................................................................................... 101
7-1) PCB Layout with part position ...........................................................................................................................................101
7-2) Connector Layout with part position .............................................................................................................................. 102
8. Wiring Diagram ................................................................................................................................. 103
9. Block Diagram.................................................................................................................................... 104
9-1) Whole block diagram ........................................................................................................................................................ 104
10. Reference Information .................................................................................................................... 105
10-1) Nomenclature .................................................................................................................................................................. 105
10-2) Trouble Shooting ............................................................................................................................................................. 106
10-3) Q&A ................................................................................................................................................................................... 108
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