Samsung RFG237AA RFG237AARS Service Manual & Repair Guide

BOTTOM MOUNT FREEZER BASIC : RFG237AA / RFG238AA MODEL NAME : RFG237AARS RFG238AARS RFG237AABP RFG238AABP RFG237AAWP RFG238AAWP RFG237AAPN RFG238AAPN REFRIGERATOR REFRIGERATOR CONTENTS 1. PRECAUTIONS(SAFETY WARNINGS) ·4 2. PRODUCT SPECIFICATIONS ·····8 3. DISASSEMBLY AND REASSEMBLY ·26 4. TROUBLESHOOTING ········52 5. EXPLODED VIEW & PARTS LIST ··97 6. PCB DIAGRAM ··········120 7. WIRING DIAGRAM·········126 8. SCHEMATIC DIAGRAM ······127 For the latest parts information, Please access to our service web site (● North America : http://service.samsungportal.com) RFG238AA MODEL CODE : RFG237AARS/XAA RFG238AARS/XAA RFG237AABP/XAA RFG238AABP/XAA RFG237AAWP/XAA RFG238AAWP/XAA RFG237AAPN/XAA RFG238AAPN/XAA Downloaded from www.Manualslib.com manuals search engine

IMPORTANT SAFETY NOTICE The service guide is for service men with adequate backgrounds of electrical, electronic, and mechanical experience. Any attempt to repair a major appliance may result in personal injury and property damage. The manufacturer or dealer cannot be responsible for the interpretation of this information. SAMSUNG ELECTRONICS AMERICA, INC. Technical Service Guide Copyright ⓒ2008 All rights reserved. This service guide may not be reproduced in whole or in part in any form without written permission from the SAMSUNG ELECTRONICS Company. WARNING Downloaded from www.Manualslib.com manuals search engine

Contents 1. Precautions(Safety Warnings) ·····································4 2. Product Specifications ········································8 2-1) Introduction of main function ···································9 2-2) Specifications ·········································11 2-3) Interior Views ·········································12 2-4) Model Specification ·······································13 2-5) Model Specification &Specification Chart ·····························14 2-6) Dimensions of Refrigerator (Inches) ································17 2-7) Optional Material Specification ··································18 2-8) Refrigerant Route in Refrigeration cycle ······························19 2-9) Cooling Air Circulation ·····································25 3. Disassembly and Reassembly ····································26 3-1) PRECAUTION ·········································27 3-2) Refrigerator Door ········································28 3-3) Door Handle Freezer ······································30 3-4) Refrigerator Light ········································31 3-5) Cover-display & water-dispenser ·································31 3-6) Water-dispenser ········································32 3-7) Glass Shelf ··········································33 3-8) Foldable Glass Shelf ······································33 3-9) Vegetable & Fruit Drawers Shelf ·································34 3-10) Cool Select Pantry·······································35 3-11) Water Tank ··········································36 3-12) Motor Damper ········································38 3-13) Water Filter (Disassembly) ···································38 3-14) Water Filter (Reassembly) ···································39 3-15) Gallon Door Bin ········································39 3-16) Vertical Hinged Section ····································40 3-17) Evaporator Cover In Refrigerator ································41 3-18) Evaporator In Refrigerator ···································42 3-19) Super Extended Drawer ····································43 3-20) Freezer Door ·········································44 3-21) Ice-Maker ··········································45 3-22) Freezer Light ·········································46 3-23) Door Switch In Freezer ·····································46 3-24) Evaporator Cover In Freezer ··································47 3-25) Evaporator In Freezer ·····································47 3-26) Machine Compartment ·····································48 3-27) Electric Box··········································51 4. TROUBLESHOOTING ········································52 4-1) Function for failure diagnosis ···································53 4-1-1. Test mode (manual operation / manual defrost function) ····················53 4-1-2. Display function of Communication error ···························54 4-1-3. Self-diagnostic function ··································55 4-1-4. Display function of Load condition ·····························58 4-1-5. Exhibition mode setting function ······························59 4-1-6. Option setting function ··································60 4-1-7. Option TABLE ······································62 4-2) Diagnostic method according to the trouble symptom(Flow Chart)···················64 4-2-1. If the trouble is detected by self-diagnosis ··························65 4-2-2. If FAN does not operate ··································76 4-2-3. If ICE Room Fan does not operate ·····························77 4-2-4. If Ice Maker does not operate ·······························78 4-2-5. If ICE MAKER(F) does not operate (RFG238 MODEL) ····················79 Downloaded from www.Manualslib.com manuals search engine

Contents 4-2-6. If defrost does not operate (F,R DEF Heater) ·························80 4-2-7. If Power is not supplied ··································81 4-2-8. If compressor does not operate ·······························82 4-2-9. When alarm sound continuous without stop(related with buzzer sound) ·············84 4-2-10. If Panel PCB does not work normally ····························86 4-2-11. If Pantry Panel PCB is not working normally·························87 4-2-12. When refrigerator ROOM Lamp does not light up ······················88 4-2-13. If ICE Water is not supplied ································90 4-2-14. If Cubed or Crushed Ice is not supplied ···························92 4-2-15. If Cover Ice Route Moor(Geard Motor) is not working normally·················93 4-2-16. If Inverter PCB Power is not supplied····························94 4-2-17. LED blinking frequency depending on protecting functions ··················95 Inverter pcb circuit diagram ·····································96 5. Exploded View & PARTS LIST ····································97 5-1) Freezer ············································98 5-2) Refrigerator··········································102 5-3) Cabinet ···········································108 5-4) Disassembly of Freeze Door ··································112 5-5) Disassembly of Refrigerator DoorLeft ······························114 5-6) Disassembly of Refrigerator Door Right ·····························118 6. PCB DIAGRAM ··········································120 6-1) PCB Layout with part position ·································121 6-2) PCB Layout with part position (SMPS Board) ···························122 6-3) Connector Layout with part position (Main Board) ·························123 6-4) Connector Layout with part position (SMPS Board) ························125 7. WIRING DIAGRAM·········································126 7-1) Model : RFG23** ·······································126 8. SCHEMATIC DIAGRAM ······································127 8-1) Whole block diagram ·····································127 8-1-1. MODEL : RFG237** ···································127 8-1-2. MODEL : RFG238** ···································128 8-1-3. MODEL : RFG23*** ···································129 8-2) CIRCUIT DIAGRAM ······································130 8-2-1. Main ··········································130 8-2-2. INVERTER ·······································131 Downloaded from www.Manualslib.com manuals search engine

4 1. PRECAUTIONS(SAFETY WARNINGS) ● Unplug the appliance before the changing or repairing the electric parts. → Be careful the electric shock. ● When exchanging the parts, use the correct parts. → Check the model name, rating voltage, rating current, running temperature symbols. ● When troubleshooting, connect firmly the types of harness. → Make not to be separated when some power is imposed. ● Check the traces of water infiltration at the electric parts. → If there is a trace of water infiltration, exchange or tape the parts. ● Check the assemble status of parts after troubleshooting. → It must be in the same assembled state when compared with the state before disassembly. ● Check the use circumstance of refrigerator. → If the refrigerator is installed at the place that is damp or wet, or status of installation is unstable, change the installation place. ● Ground the refrigerator properly → Particularly, Be sure to earth when there is a risk of an electric leakage by humidity or wetness. ● Do not use multi plugs in a plug socket at the same time. Check if the power cord and socket is damaged, pressed, squeezed, or fired. → If the plug or plug socket is damaged, repair or exchange it immediately. ● Do not allow consumers to repair the appliance by themselves. ● Do not store other materials except the foods. → Drugs or scientific materials : difficult to keep precise temperature. → The inflammables(alcohol, benzene, ether, LP gas, butane gas etc.): have risk of explosion. Downloaded from www.Manualslib.com manuals search engine

5 PRECAUTIONS(SAFETY WARNINGS) Read all instructions before repairing the product and follow the instructions in order to prevent danger or property damage. Plug out and remove all the items in regrigerator prior to repair. CAUTION/WARNING SYMBOLS DISPLAYED SYMBOLS Indicates that a danger of death or serious injury exists. Indicates that a risk of personal injury or material damage exists. means “Prohibited”. means “Do not disassemble”. means “No contact”. means ”Warning or Caution”. means “Earth or Ground”. means “Unplug the unit before preforming service” Plug out to exchange the interior lamp. ● It may cause electric shock. Warning Warning & Caution Caution Unplug Use the rated components on the replacement. ●Check the correct model, rated voltage, rated current, operating temperature and so on. On repair, make sure that the wires such as harness are bundled tightly. ●Bundle tightly wires in order not to be detached by the external force and then not to be wetted. Check if there is any trace indicating the permeation of water. ●If there is that kind of trace, change the related components or do the necessary treatment such as taping using the insulating tape. After repair, check the assembled state of components. ●It must be in the same assembled state when compared with the state before disassembly. On repair, remove completely dust or other things of housing parts, harness parts, and check parts. ●Cleaning may prevent the possible fire by tracking or short. Rated components Downloaded from www.Manualslib.com manuals search engine

6 PRECAUTIONS(SAFETY WARNINGS) ❈ Please let users know following warnings & cautions in detail. Do not allow users to put bottles or kinds of glass in the freezer. ●Freezing of the contents may inflict a wound. Do not allow users to store narrow and lengthy bottles or foods in a small multi-purpose room. ●It may hurt you when refrigerator door is opened and closed resulting in falling stuff down. Do not allow users to store pharmaceutical products, scientific materials, etc., in the refrigerator. ●The products which need precise temperature control should not be stored in the refrigerator. Do not allow users to store articles on the product. ●Opening or closing the door may cause things to fall down, which may cause injury. Prohibition Warning & Caution Do not allow users to disassemble, repair or alter. ●It may cause fire or abnormal operation which leads to injury. Do not disassemble Do not allow users to plug several appliances into the same power receptable. ●May cause abnormal generation of heat or fire. Prohibition Do not allow users to bend the power cord with excessive force or do not have the power cord pressed by heavy article. ●May cause fire. Do not allow users to install the refrigerator in the wet place or the place where water splashes. ●Deterioration of insulation of electric parts may cause electric shock or fire. Make sure of the earth. ●Be sure the product is properly grounded. Earth Downloaded from www.Manualslib.com manuals search engine

7 PRECAUTIONS(SAFETY WARNINGS) For proper installation, this refrigerator must be placed on a level surface of hard material that is the same height as the rest of the flooring. This surface should be strong enough to support a fully loaded refrigerator, or approximately 660lbs(299kg). FLOORING Protect the finish of the flooring. Cut a large section of the cardboard carton and place under the refrigerator where you are working. When moving, be sure to pull the unit straight out and push back in straight. MOVING Downloaded from www.Manualslib.com manuals search engine

8 2. PRODUCT SPECIFICATIONS 2-1) INTRODUCTION OF MAIN FUNCTION ···························9 2-2) SPECIFICATIONS ····································11 2-3) INTERIOR VIEWS ····································12 2-4) MODEL SPECIFICATION ·································13 2-5) MODEL SPECIFICATION &SPECIFICATION CHART ····················14 2-6)DIMENSIONS OF REFRIGERATOR (INCHES) ························17 2-7) OPTIONAL MATERIAL SPECIFICATION ··························18 2-8) REFRIGERANT ROUTE IN REFRIGERATION CYCLE ····················19 2-9) COOLING AIR CIRCULATION ·······························25 Downloaded from www.Manualslib.com manuals search engine

2. PRODUCT SPECIFICATIONS ● A newly developed SAMSUNG bottom mount freezer in 2009 has the following characteristics. 2-1) Introduction of Main Function 9 Surround Multi Flow ● Uniform cooling for each shelf and even in corner in fresh food compartment by centerpositioned fan and duct with multiple flow effluences. Twin Cooling System ● The refrigerator and the freezer have two evaporators. Given this independent system, the freezer and the refrigerator are cooled individually as required and are, therefore, more efficient. Food odor from the refrigerator does not affect food in the freezer due to separate air flow circulation. Ice and Water Dispenser ● The ice and water dispenser provides ice and cold water at any time. Secure Auto Close Door System ● Secure Auto Close Door System ● Cool tight doors ● Energy saving ● Preventing sweat on fridge doors Easy Handle System ● Ez-open Freezer Door ● Ergonomic Door Design Electronic control from outside of Pantry Cover ● Adjustable temperature control ((around 41℉(5℃) : Deli / around 38℉(3℃) : Fresh / around 34℉(1℃) Chilled ) Temperature control from outside of the Pantry : user friendly design helps keep foods fresh for longer Easy Handle ● The freezer door is more user-friendly. So, it comes as much convenient. Downloaded from www.Manualslib.com manuals search engine

Samsung RFG237AA RFG237AARS Service Manual & Repair Guide

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