Table Of Contents - LG GR-GR-L257BTBA Service Manual

CONTENTS
WARNINGS AND PRECAUTIONS FOR SAFETY ................................................................................................................ 3
SPECIFICATIONS................................................................................................................................................................... 4
PARTS IDENTIFICATION ..................................................................................................................................................... 12
HOW TO INSTALL THE REFRIGERATOR .......................................................................................................................... 18
HOW TO ADJUST DOOR HEIGHT OF THE REFRIGERATOR ........................................................................................ 18
HOW TO INSTALL WATER PIPE........................................................................................................................................19
HOW TO CONTROL THE AMOUNT OF WATER SUPPLIED TO THE ICEMAKER ......................................................... 23
MICOM FUNCTION .............................................................................................................................................................. 25
EXPLATION FOR MICOM CIRCUIT..................................................................................................................................... 34
EXPLANATION FOR PWB CIRCUIT ..................................................................................................................................34
COMPENSATION CIRCUIT FOR WEAK-COLD, OVER-COLD AT FREEZING ROOM.....................................................49
PWB PARTS DRAWING AND LIST ....................................................................................................................................53
PWB CIRCUIT DIAGRAM ...................................................................................................................................................63
ICE MAKER AND DISPENSER OPERATION PRINCIPLE AND REPAIR METHOD.......................................................... 67
WORKING PRINCIPLES.....................................................................................................................................................67
FUNCTION OF ICE MAKER ...............................................................................................................................................68
ICE MAKER TROUBLESHOOTING....................................................................................................................................71
ICE MAKER CIRCUIT PART ...............................................................................................................................................72
CIRCUIT ................................................................................................................................................................................ 73
TROUBLE DIAGNOSIS ........................................................................................................................................................ 75
TROUBLE SHOOTING ...................................................................................................................................................... 75
FAULTS .............................................................................................................................................................................. 85
COOLING CYCLE HEAVY REPAIR ................................................................................................................................. 102
HOW TO DEAL WITH CLAIMS ........................................................................................................................................ 109
HOW TO DISASSEMBLE AND ASSEMBLE ..................................................................................................................... 114
DOOR ............................................................................................................................................................................... 114
HANDLE ........................................................................................................................................................................... 115
SHROUD, GRILLE FAN ................................................................................................................................................... 115
ICEMAKER ....................................................................................................................................................................... 115
DISPENSER ..................................................................................................................................................................... 116
WATER TANK AND WATER LINE.................................................................................................................................... 118
HOME BAR....................................................................................................................................................................... 118
EXPLODED VIEW............................................................................................................................................................... 119
REPLACEMENT PARTS LIST ........................................................................................................................................... 128
- 2 -