Samsung RF20HFENBSR RF20HFENBWW RF20HFENBBC Service Manual

BOTTOM MOUNT FREEZER MODEL NAME : RF195AC RF197AC RF215AC RF217AC RF20HFENB RF18HFENB REFRIGERATOR REFRIGERATOR CONTENTS 1. PRECAUTIONS(SAFETY WARNINGS) 2. PRODUCT SPECIFICATIONS 3. DISASSEMBLY AND REASSEMBLY 4. TROUBLESHOOTING 5. EXPLODED VIEW & PARTS LIST 6. PCB DIAGRAM 7. WIRING DIAGRAM 8. SCHEMATIC DIAGRAM For the latest parts information, Please access to our service web site (North America : http://service.samsungportal.com)

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 ⓒ2009 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

1. PRECAUTIONS(SAFETY WARNINGS) ······························4 2. Product Specifications ·····································7 2-1) Introduction of Main Function ································7 2-2) Specifications ······································8 2-3) Interior Views ······································9 2-4) Model Specification ···································10 2-5) Model Specification &Specification Chart ··························11 2-6)Dimensions of Refrigerator (Inches) ·····························14 2-7) Refrigerant Route in Refrigeration cycle ···························15 2-8) Cooling Air Circulation ··································16 3. Disassembly and Reassembly ··································17 3-1) PRECAUTION······································17 3-2) Refrigerator Door ····································18 3-3) Freezer Door(RF195)···································19 3-3) Freezer Door(RF217,RF197) ·······························20 3-4) Freezer Door Switch ···································21 3-5) Refrigerator Light ····································22 3-6) Glass shelves ······································22 3-7) Moving tray ·······································23 3-8) Vegetable & Fruit Drawers Shelf ······························23 3-9) Gallon Door Bin ·····································24 3-10) Evaporator In Refrigerator ································24 3-11) Door Handle Freezer ··································26 3-12) Freezer Light ······································26 3-13) Evaporator Cover In Freezer ·······························27 3-14) Evaporator InFreezer ··································27 3-15) Motor Fan ·······································28 4. TROUBLESHOOTING ·····································30 4-1) Check items before failure diagnosis ····························30 4-2) Diagnostic method according to the trouble symptom(Flow Chart) ···············41 5 . Exploded View & PARTS LIST ·································59 5-1) Freezer ·········································59 5-2) Refrigerator ·······································62 5-3) Cabinet ·········································67 5-4) Disassembly of Freezer Door ·······························70 5-5) Disassembly of Refrigerator Door Left ···························73 5-6) Disassembly of Refrigerator Door Right ··························76 5-1) Freezer ·········································78 5-2) Cabinet ·········································81 5-3) Disassembly of Freezer Door ·······························84 6. PCB DIAGRAM ········································86 6-1) PCB L ayout with part position (Main Board) ························86 6-2) Connector Layout with part position (Main Board) ······················87 7. Wiring Diagram ········································88 8. Schematic Diagram ······································89 8-1) Refrigerator Block Diagram ································89 8-2) Main ··········································90 Contents

4 1. PRECAUTIONS(SAFETY WARNINGS) ● Due to the risk of electric shock, be sure to unplug the unit before servicing. ● Use the right electronic equipment for your new Refrigerator.  Make sure to check out the right model name, rated voltage and current, operating temperature, etc. ● Upon repair, make sure that harnesses are not to be water-penetrated and are bundled tight.  Should not be detached by a certain amount of external force. ● Upon repair, completely remove dust or other foreign substances from housing, harness, connector, etc.  To prevent fire by tracking, short, etc. ● After repair, check out the assembled state of parts.  It should be the same as the previous state. ● Check out the surrounding conditions.  Change the location, if the fridge is located at humid, wet places or the installed state is unstable. ● If needed, ground the fridge.  Especially, if there is a possibility of electric leakage, ground is indispensable. ● Do not allow consumers to overload a certain outlet. ● Check out whether the power cord or the outlet is broken, squeezed, chopped off or heat- deformed.  Repair or replace the defective power cord/outlet immediately.  Make sure the power cord is not punctuated or stomped down. ● Do not allow consumers to keep food unstable or place bottles in the Freezer Room. ● Do not allow consumers to repair the fridge for themselves. ● Do not allow consumers to keep things except for food.  Pharmaceutical, Chemical substances : These are not possible to be fine-Controlled with a consumer fridge.  Flammable material (alcohol, benzene, ether, LPG, etc) : possibility of explosion.

5 PRECAUTIONS(SAFETY WARNINGS) Read all instructions before repairing the product and keep to the instructions in order to prevent danger or property damage. 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 Prohibition”. means Do not disassemble”. means No contact”. means The things to be followed”. means Earth to prevent Electric shock”. means Power cord should be unplugged from the consent” Due to risk of electric shock, be sure to unplug the unit before servicing. ● 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

6 PRECAUTIONS(SAFETY WARNINGS) ❈ Please ler 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 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, with may inflict a wound. Prohibition Prohibition Prohibition 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 insert the power plugs for many products at the same time. ● 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 which water splashes. ● Deterioration of insulation of electric parts may cause electric shock or fire. The Appliance must be properly grounded. ● If earthing is not done, it will cause breakdown and electric shock. Earth

2. PRODUCT SPECIFICATIONS ● The SAMSUNG bottom mount freezer in 2009 has the following characteristics. 2-1) Introduction of Main Function 7 Surround Multi Flow ● Uniform cooling for each shelf by a center positioned 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. Moving Tray ● The Deli Drawer can be moved side to side for customer improved customer satisfaction. Digital Display & Temperature Control ● Digital Display & Temperature Control look and feel neat & clear design. Easy Handle System(RF197AC,RF217AC) ● The freezer door is more user-friendly and convenient.

Compressor C-Fan ASSY PBA Dryer condenser Water Valve 8 2-2) Specifications PRODUCT SPECIFICATIONS Defrost Control From 12 to 64 hrs Thermo Bimetal Protector 140°F(60℃)(off) 104°F(40℃)(on) Defrost Thermistor(502AT) R : 62.6°F(12℃) F : 57.2°F(14℃) Electrical Rating AC115V 60Hz Maximum Current Leakage 0.5 mA Maximum Ground Path Resistance 0.1 Ohm Energy Consumption 453kWh/year(RF21) 445kWh/year(RF19) Refrigerant Charge (R134a)5.64 oz(160g) Compressor(MK162D-L1U) 730 Btu/hr(0.124kw) Clearance must be provided for air circulation AT TOP 2” ( 5 0 m m ) AT SIDES 1” ( 2 5 m m ) AT REAR 2” ( 5 0 m m ) Ambient Temperature 70 (21℃) 90 (32 ) Refrigerator, 34 (1 )~ 46 (8 ) 34 (1 )~ 46 (8 ) Freezer, -8 (-22 )~ 8 (-13 ) -8 (-22 )~ 8 (-13 ) Run Time,% <40 <65 ( A i r i n l e t ) ( A i r i n l e t ) H e a t e x c h a n g e r Fan (Air inlet) (Air inlet) Heat exchanger ELECTRICAL SPECIFICATIONS Freezer Refrigerator NO LOAD PERFORMANCE REFRIGERATION SYSTEM INSTALLATION 617kWh/year(RF20) 594kWh/year(RF18) ℉ ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ ℃ ℉ Compressor(MKV172C-L2J) 730 Btu/hr(0.124kw)

9 PRODUCT SPECIFICATIONS 2-3) Interior Views Light Freezer Drawer Bin Door Bin Push it up and slide it out to disassemble. Vegetable Drawer Fruit Drawers Glass Shelf Pull it out until its stop Tilt down and slide it out. Moving Tray Pull it out to disassemble.

SAMSUNG Twin Cooling Contour Moving Tray 177.3 179.1 -29.9 -1.6 -21.3 -4.3 0.6 0.8 51.6 41.8 39.7 10 2-4) Model Specification PRODUCT SPECIFICATIONS F-Room R-Room F-Room R-Room F-Room R-Room F-Room R-Room N-N Sound power level Sound Pressure level Cooling Speed(Min) Product Zone Appearance ITEM SPEC 89.6 (32°C) 109.4 (43°C) Temperature Distribution (Fridge) Run Time ) 7 1 2 F R ( e c n a m r o f r e P e s i o N Cooling Tech Door Shape Special Room 220Ê 220Ê -26.0Ê 2.0Ê -18.0Ê 5.0Ê 2.0Ê 2.0Ê 65%Ê 46dBÊ 45dBÊ RF20/18 RF197/217

Samsung RF20HFENBSR RF20HFENBWW RF20HFENBBC Service Manual

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