Manuals / LG Electronics / Kitchen Appliance / Refrigerator

LG Electronics LRTN22310, LRTN19310 service manual P/No. 3828JL8015A

Models: LRTN19310 LRTN22310

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P/No. 3828JL8015A	MAR., 2003 Printed in Korea

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LG Electronics LRTN22310, LRTN19310 service manual P/No. 3828JL8015A

Contents

REFRIGERATOR BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUALmodels LRTN19310** LRTN22310CONTENTS SAFETY PRECAUTIONS1. SPECIFICATIONS Ref. No. 19Cuft / 22CuftCOMPARTMENT 2. PARTS IDENTIFICATIONFREEZER REFRIGERATOR3. DISASSEMBLY 3-2 DOOR SWITCH3-1 DOOR 3-5 LAMP 3-4 DEFROST CONTROL ASSEMBLY3-3 FAN AND FAN MOTOR 3-6 CONTROL BOX-REFRIGERATOR4. ADJUSTMENT 4-1 COMPRESSOR4-2 PTC-STARTER 4-3-1 Definition of OLP 4-3 OLP OVERLOAD PROTECTOR4-4 TO REMOVE THE COVER PTC 4-3-2 Role of the OLP5. CIRCUIT DIAGRAM GOOD MODEL6. TROUBLESHOOTING 6-1 COMPRESSOR AND ELECTRIC COMPONENTSShows continuity 6-2 PTC AND OLPObservation value is 115V/60Hz 6.8Ω±30% electric component6-3 OTHER ELECTRIC COMPONENTS Not cooling at allPoor cooling performance Check if frost forms in the freezer Check the refrigeration system 6-4 SERVICE DIAGNOSIS CHARTNot defrosting The system is faulty Check the Thermistor6-5 REFRIGERATING CYCLE Replace drier whenever repairing General Control of Refrigerating Cycleafter welding to protect pipe from cracking COMP POWERheater ON POWERERROR CODE on Refrigerator Temperature panel Defect code panel7-1-4 Defect Diagnosis Function 7-1-5 TEST Mode CONTENTSReset MODE7-2 PCB FUNCTION 7-2-1 Power Circuit7-2-2 Load / Buzzer Drive & Open Door Detection Circuit 1. Load Drive Condition CheckFreezer or Refrigerator Measurement between pins 5 and 6 at Con2. Open Door Circuit Door Monitor Circuit Both Closed7-2-3 Temperature Sensor Circuit RESISTANCE OF FREEZER 7-3 RESISTANCE SPECIFICATION OF SENSORTEMPERATURE RESISTANCE OF REFRIGERATORTROUBLESHOOTING SYMPTOMSOLUTION COMPLAINT7-5 MAIN PWB ASSEMBLY AND PARTS LIST 7-5-1 Main PWB Assembly8. EXPLODED VIEW & REPLACEMENT PARTS LIST CASE PARTS110D S22 284C FREEZER PARTS330B S21 284A 332A 405C 405A 404A 329A S20REFRIGERATOR PARTS 141B 141A 141A 141C 141B 170A 141C 141B 128A141A 128B 141C 141B141A 141C 141B 167B 141A 141C 154A 151A 155B 151A 151C DOOR PARTS 281DP/No. 3828JL8015A

P/No. 3828JL8015A

MAR., 2003 Printed in Korea