Contents
4. Troubleshooting .................................................................................... 55
4-1) Function for failure diagnosis ...................................................................................................................... 56
4-1-1. Test mode (manual operation / manual defrost function) ........................................................... 56
4-1-2. Display function of Communication error .......................................................................................57
4-1-3. Self-diagnostic function ................................................................................................................. 58
4-1-4. Display function of Load condition ................................................................................................. 61
4-1-5. Cooling OFF mode setting function North American(US, Canada) Models Only ..................... 63
4-1-6. Exhibition mode setting function (All Regions Except for North America) ................................ 63
4-1-7. Option setting function .................................................................................................................... 64
4-1-8. Option TABLE .................................................................................................................................. 66
4-2) Diagnostic method according to the trouble symptom(Flow Chart) ....................................................... 70
4-2-1. If the trouble is detected by self-diagnosis ..................................................................................72
4-2-2. If FAN does not operate ................................................................................................................ 82
4-2-3. If ICE Room Fan does not operate ............................................................................................... 83
4-2-4. When ICE MAKER(FF) does not operate ..................................................................................... 84
4-2-5. If defrost does not operate (F,R DEF Heater) .............................................................................. 85
4-2-7. When Compressor does not run (Inverter COMP.) ..................................................................... 86
4-2-8. When alarm sounds continuously without stop(related with buzzer sound) .............................87
4-2-9. When the Panel PBA does not operate normally ....................................................................... 89
4-2-10. If Mid drawer Panel PCB is not working 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. IR Sensor Trouble-Shooting ........................................................................................................ 95
4-2-16. LED blinking frequency depending on protecting functions .................................................... 96
5. PBA Diagram ........................................................................................ 97
5-1) PBA Layout with part position ..................................................................................................................... 98
5-2) PBA Layout with part position (Inverter Board) ........................................................................................ 99
5-3) Connector Layout with part position (Main Board) .................................................................................100
5-3-1. RF30HB* .........................................................................................................................................100
5-4) Connector Layout with part position (Inverter Board) ............................................................................. 101
5-4-1. RF30HB* ......................................................................................................................................... 101
6. Wiring Diagram ................................................................................... 102
7. Block Diagram..................................................................................... 103
7-1) Whole block diagram ..................................................................................................................................103
7-1-1. MODEL : Common for All Models .................................................................................................103
7-1-2. RF30HB* ..........................................................................................................................................104
8. Model code table ................................................................................ 105
8-1) RF30HB*.......................................................................................................................................................105