Samsung RS2534WW, RS2556SH, RS2556BB, RS2578WW, RS2578BB Service Manual

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RS2534WW RS2534VQ RS2556WW RS2556BB RS2556SH RS2578WW RS2578BB RS2578SH

Model:

SIDE-BY-SIDE REFRIGERATOR

SAMSUNG Home Appliance Service

For the latest parts information, Please access to our service web site (http://www.e4buyer.com/refrigerator)

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

WARNING

Contents

1. Introduction ········································ 4

2. Installation

········································

3. Nomenclature

·······································

4. Specifications

·······································

5. Warranty information

···································

6. Interior Views and Dimensions

·····························

7. Refrigeration Cycle and Cool Air Circulation Route

·················

8. Mechanical Disassembly

································

9. Operation Function

····································

10.

Circuit Descriptions

···································

11. Diagnostics

·······································

12. Illustrated Parts Catalog

································

13. Safety instruction on services

·····························

●

Appendix ⅠⅠ(Reference for circuit diagnostics)

····················

●

Appendix ⅡⅡ(Circuit diagram)

······························

1. INTRODUCTION

●●

A newly developed SAMSUNG side by side refrigerator in 2004 has the following

characteristics.

1) T win 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.

2) Multi-Flow System

·Cool air circulates through multiple vents on every shelf level. This provides even distribution of cooling inside cabinets to keep your food fresh longer.

3) Xtra Space

·V ertical room next to the ice maker in the freezer provides space for pizza etc.

4) Door Alarm

·Beep sound reminds you the door is open.

5) Xtra Fresh

·Optimized humidity control keeps vegetables & fruits fresh.

6) Deodorizer

·Reusable twin deodorizers keep the refrigerator air fresh and odor free.

7) CoolSelect Zone

Drawer(RS2556, RS2578)

·User can select Quick Cool, Thaw , for quickly chill items, thaw items. Select Soft freeze, Chill or Cool to control the temperature of the drawer.

2. INSTALLATION

1) T o protect refrigerator in movement

Use padded hand truck as shown. If entrance width is less than 39〃, remove doors prior to installation and reattach doors according to procedure below.

2) Remove all protective tape and pad in refrigerators.

Connect water lines and power cord. Adjust the clearance between the doors.

3) Set the temperature control to the temperature and wait for an hour.

The refrigerator should get slightly chilled and the motor runs smoothly .

4) Once the refrigerator temperature is sufficiently low

You can store food in the refrigerator. After starting the refrigerator, it takes a few hours to reach the appropriate temperature.

●●

Removing Doors

Open the freezer and refrigerator doors, and then take off the front leg cover assembly by turning the three screws counter-clockwise. Remove the screw from clamp disconnect, the water tube by pressing the coupler, and pulling the water tube away .

With the door closed, remove the upper hinge cover using a screwdriver, and then disconnect the wires. Remove hinge screws and ground screw counter-clockwise, and take off the upper hinge. Take care removing the door to ensure that it does not fall on you.

Remove the door from the lower hinge by carefully lifting the door so as not to damage the water tube. Remove the lower hinge from the lower hinge bracket by lifting the lower hinge.

●●

Attaching Doors

Insert the lower hinge in the bracket lower hinge. Attach the freezer door by inserting the hose in the lower side of the door into the hole in the lower hinge and pulling the hose down.

Insert the upper hinge shaft into the hole. After leveling between the upper hinge hole and the hole of the cabinet. Reattach hinge screws and screw in the clockwise direction. Connect the wires. Put the front part of the upper hinge cover on the front part of the upper hinge and reattach from the front part of the upper hinge cover first.

3. Nomenclature

R S 25 34 SL / XAA

Product ; R - REFRIGERATOR

Capacity ; CU. FT

Family ; S - SIDE BY SIDE (SBS)

H - HomePADTM(SIDE BY SIDE) B - BOTTOM MOUNTED FREEZER (BMF)

OPTION ; SBS 34-GOOD 56-BETTER 78-BEST

BMF 55-NO DISPENSER 77-DISPENSER

COLOR ;

SBS SW-SNOW WHITE

SL-NOBLE STAIN

SH-

STAINLESS PLATINUM

WW-SMOOTH WHITE

VQ-BISQUE BB-BLACK

BMF SW-SNOW WHITE

SL-NOBLE GRAY

Buyer Code

Label Location

4. Specifications

Defrost Control From 24 to 32 hrs Defrost Thermistor(502AT) 50℉(off) Electrical Rating AC115V 60Hz 11.6 Amps Maximum Current Leakage 0.25 mA Maximum Ground Path Resistance 0.1 Ohm Energy Consumption KWH/mo.

Ambient Temperature 70

℉ 90℉ Refrigerator,℉ 34∼46 34∼46 Freezer,℉ -14∼8 -14∼8 Run Time,% 󳠞40 󳠞60

Refrigerant Charge (R134a) 7.76 oz Compressor(MK183C-L2U) 532.3 Btu/hr Compressor oil Freol α-15 Capillary tube(Dia, Length)

0.033＂＂,130

＂＂

Dryer

Molecular Sieve XH-9

Clearance must be provided for air circulation AT TOP 2

＂＂

AT SIDES 0.1

＂＂

AT REAR 2

＂＂

RS2534(Good), RS2556(Better), RS2578(Best)

Main Board(RS2534) DA41-00134F Main Board(RS2556,2578) DA41-00104M Thermistor(Freezer) DA32-10109W Thermistor(Freezer Evaporator) DA32-00006A Thermistor(Refrigerator) DA32-10105U Thermistor(Refrigerator Evaporator)

DA32-00006B Thermistor(Ambient) DA32-10109V Thermistor(CoolSelect ZoneTM)

DA32-10109X Thermistor(Ice-Maker)

DA32-10108B Relay DA35-10013Q Overload Relay DA34-10003D Run Capacitor (12㎌) 2501-001045 Fan-Motor(FRE) DA31-00020E Fan-Motor(REF) DA31-00002S(RS2534) Fan-Motor(REF) DA31-00020E(RS2556/2578) Fan-Motor(Condenser) DA31-00020H Thermal Fuse DA47-00095C Senser-Flow DA32-10110B

Fan

(Air inlet)

Heat exchanger

Heat exchangerHeat exchanger

Compressor

Dryer

C-Fan

Electric box

Sub-condenser

ELECTRICAL SPECIFICA TIONS Freezer Refrigerator

NO LOAD PERFORMANCE

REFRIGERA TION SYSTEM

INST ALLATION

MODELS

REPLACEMENT P ARTS

5. Warranty information

LIMITED W ARRANTY T O ORIGINAL PURCHASER

SAMSUNG REFRIGERATOR

(18 Cubic Feet and Larger Capacity)

This SAMSUNG brand product, as supplied and distributed by Samsung Electronics America, Inc. (SAMSUNG) and delivered new, in the original carton to the original consumer purchaser, is warranted by SAMSUNG against manufacturing defects in materials and workmanship for a limited warranty period of:

One (1) Year Parts and Labor on Refrigerator

Five (5) Years Parts and Labor on Sealed Refrigeration System Only*

(*Compressor, evaporator, condenser, Dryer, connecting tubing)

This limited warranty begins on the original date of purchase, and is valid only on products purchased and used in the United States. To receive warranty service, the purchaser must contact SAMSUNG for problem determination and service procedures. Warranty service can only be performed by a SAMSUNG authorized service center. The original dated bill of sale must be presented upon request as proof of purchase to SAMSUNG or SAMSUNG's authorized service center.

SAMSUNG will repair or replace any part found to be defective, at our option and at no charge as stipulated herein, with new or reconditioned parts during the limited warranty period specified above. All replaced parts and products become the property of SAMSUNG and must be returned to SAMSUNG. Replacement parts and products assume the remaining original warranty, or ninety (90) days, whichever is longer.

In-home service will be provided during the warranty labor period subject to availability within the contiguous United States. Inhome service is not available in all areas. To receive in-home service, the product must be unobstructed and accessible from floor level to service personnel. If during in-home service repair cannot be completed, it may be necessary to remove, repair and return the product. If in-home service is unavailable, SAMSUNG may elect, at our option, to provide for transportation of our choice to and from a SAMSUNG authorized service center. Otherwise, transportation to and from the SAMSUNG authorized service center is the responsibility of the purchaser.

This limited warranty covers manufacturing defects in materials and workmanship encountered in normal, noncommercial use of this product, and shall not apply to the following, including, but not limited to: damage which occurs in shipment; delivery and installation; applications and uses for which this product was not intended; altered product or serial numbers; cosmetic damage or exterior finish; accidents, abuse, neglect, fire, water, lightning or other acts of nature; use of products, equipment, systems, utilities, services, parts, supplies, accessories, applications, installations, repairs, external plumbing and leaks, external wiring, circuit breakers, fuses or connectors not supplied and authorized by SAMSUNG, or which damage this product or result in service problems; incorrect electrical line voltage, fluctuations and surges; customer adjustments and failure to follow operating instructions, cleaning, maintenance and environmental instructions that are covered and prescribed in the instruction book; loss of food due to spoilage; consumable items including filters and light bulbs.

THERE ARE NO EXPRESS WARRANTIES OTHER THAN THOSE LISTED AND DESCRIBED ABOVE, AND NO WARRANTIES WHETHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, SHALL APPLY AFTER THE EXPRESS WARRANTY PERIODS STATED ABOVE, AND NO OTHER EXPRESS WARRANTY OR GUARANTY GIVEN BY ANY PERSON, FIRM OR CORPORATION WITH RESPECT TO THIS PRODUCT SHALL BE BINDING ON SAMSUNG. SAMSUNG SHALL NOT BE LIABLE FOR LOSS OF REVENUE OR PROFITS, FAILURE TO REALIZE SAVINGS OR OTHER BENEFITS, OR ANY OTHER SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES CAUSED BY THE USE, MISUSE OR INABILITY TO USE THIS PRODUCT, REGARDLESS OF THE LEGAL THEORY ON WHICH THE CLAIM IS BASED, AND EVEN IF SAMSUNG HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. NOR SHALL RECOVERY OF ANY KIND AGAINST SAMSUNG BE GREATER IN AMOUNT THAN THE PURCHASE PRICE OF THE PRODUCT SOLD BY SAMSUNG AND CAUSING THE ALLEGED DAMAGE. WITHOUT LIMITING THE FOREGOING, PURCHASER ASSUMES ALL RISK AND LIABILITY FOR LOSS, DAMAGE OR INJURY TO PURCHASER AND PURCHASER’S PROPERTY AND TO OTHERS AND THEIR PROPERTY ARISING OUT OF THE USE, MISUSE OR INABILITY TO USE THIS PRODUCT SOLD BY SAMSUNG NOT CAUSED DIRECTLY BY THE NEGLIGENCE OF SAMSUNG. THIS LIMITED WARRANTY SHALL NOT EXTEND TO ANYONE OTHER THAN THE ORIGINAL PURCHASER OF THIS PRODUCT, IS NONTRANSFERABLE AND STATES YOUR EXCLUSIVE REMEDY.

Some states do not allow limitations on how long an implied warranty lasts, or the exclusion or limitation of incidental or consequential damages, so the above limitations or exclusions may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state.

To obtain warranty service, please contact SAMSUNG at:

SAMSUNG CUSTOMER CARE CENTER

400 Valley Road, Suite 201, Mt. Arlington, NJ 07856, Tel: 973-601-6000, Fax: 973-601-6001

1-800-SAMSUNG (1-800-726-7864) and www.SAMSUNGUSA.com

061002

6. Interior Views and Dimensions

6-1) Shelves and Bins

Freezer

Refrigerator

Door Bin

Xtra Space

Ice Maker

Light

Ice Chute

Glass Shelf

Wire Shelf

Light Switch

Deodorizer

Plastic Drawers

Wire Drawers

Front Leg Cover

Tilt Pockets

RS2534 Model

Egg Container

Foldable Shelf (RS2578)

Light (upper)

Water Filter

Spill-proof glass Shelf

Dairy Compartment

Wine Self (RS2578)

Gallon Door Bin

Beverage StationTM(RS2578)

Lights (lower) (RS2556,2578)

Gallon Door Bins

Door Bin Top Lips

CoolSelect Zone

Drawer

( Chilled Bin for RS2534)

Vegetable & Fruit Drawers

RS2578 Model

CoolSelect Zone

RS2556 Model

CoolSelect Zone

Interior Views and Dimensions

6-2) Dimensions of Refrigerator(RS2534/2556/2578) (Inches)

Beverage Station

(RS2578)

Compressor → Sub-condenser → Side Cluster Pipe(FRE) → Side Cluster Pipe(REF) → Hot Pipe

→ Dryer → Capillary Tube → Refrigerator Evaporator → Freezer Evaporator→ Suction Pipe → Compressor

Refrigerator Evaporator

Capillary Tube

ACCUMULATOR

Freezer Evaporator

SUCTION PIPE

Dryer

Muffler

SUB-CONDENSER

Hot Pipe

Compressor

SIDE CLUSTER PIPE

7. Refrigeration Cycle and Cool Air Circulation Route

7-1) Refrigerant Route in Refrigeration cycle

Refrigeration Cycle and Cool Air Circulation Route

7-2) Cool Air Circulation

Freezer

Refrigerator

8-1) Refrigerator Disassembly

8-2) Freezer Disassembly

8-1) Refrigerator Disassembly

8. Mechanical Disassembly

Control Panel ········································ 14 Door Handle ········································ 14 Beverage Station

····································· 14

Door Gasket········································· 14 Refrigerator Door Light Switch ······························ 15 Refrigerator Light ······································ 15 Tempered Glass Shelf ··································· 15 Plastic Drawers in Refrigerator ······························ 15 Gallon Door Bin ······································· 15 Water Filter ········································· 16 Evaporator Cover in the Refrigerator ·························· 16 Upper Ductwork ······································ 16 Evaporator Fan Motor ··································· 16 Evaporator in Refrigerator ································· 17 Refrigerator Thermistor ·································· 17 CoolSelect Zone

Thermistor ······························ 17

Door Bin in Freezer ···································· 18 Freezer Door Light Switch ································ 18 Plastic(Wire) Drawer in Freezer······························ 18 Freezer Shelf ········································ 18 Ice Dispenser ＆ Ice Maker ································ 18 Auger Motor Case ····································· 19 Freezer Light ········································ 20 Evaporator Cover in Freezer ······························· 20 Upper Ductwork······································· 20 Evaporator Fan Motor ··································· 20 Evaporator in Freezer ··································· 21 Freezer Thermistor ····································· 21 Ambient Thermistor····································· 21 Ice-Maker Thermistor···································· 21

Machine Compartment ＆ Electrix Box ··························22 Water Solenoids ······································ 22 Condenser Fan ······································· 22 Sub-condenser ······································· 22

88.. MMeecchhaanniiccaall DDiissaasssseemmbbllyy

1. Insert a flat-blade screwdriver on the slot as shown, and unlock the tabs.

2. Disconnect the wire connector.

The door handles allow access into the refrigerator and freezer. They are front mounted with Phillips head screws.

1. With a small flat-blade screwdriver, press the small button and pull handle cover out.

2. Remove the Phillips screws (8).

3. Lift the handle with an in and upward motion until it disengages the locking tabs. Pull the handle outward to remove it.

The beverage station

allows access to the

refrigerator without opening the refrigerator door.

1. Open the door beverage station

2. With a small flat-blade screwdriver,take out the rubbercap, then put it into the small hole and push the button inside.

3. Take off its door.

The door gasket is a molded gasket set into a

channel located in the door liner.

1. Open the door.

2. Grasp the gasket and pull in an outward motion

until the molded gasket separates from the door liner.

Control Panel

Door Handle

Beverage Station

Door Gasket

Button

8-1) Refrigerator Disassembly

MMeecchhaanniiccaall DDiissaasssseemmbbllyy

The refrigerator has a door light switch located in

the upper right corner for the refrigerator.

1. Use a small flat-blade screwdriver to unlock the locking tab and pull the switch out until the wire connector is visible.

The refrigerator lights are located in the upper and

lower portion of refrigerator.

1. Pull out the screw cap and remove the screw.

2. To access the lower lights, pull out the screw cap and remove the screw.

3. Remove the lamp cover by unlocking the tabs and pulling the cover down.

These shelves allow the storage of larger items and

pull out for easy access.

1. Pull the shelf out as for as it goes.

2. Lift it up and remove it.

Drawers are designed for storage of fruits, vegetables, and deli items. The drawers are located in the lower portion of the refrigerator.

1. Pull out the drawer as far as it goes.

2. Tilt the drawer up and pull it out until it is removed.

The door bins allow storage of perishable items.

1. Push the bin up and slide it out.

Refrigerator Door Light Switch

Gallon Door Bin

T empered Glass Shelf

Plastic Drawers in Refrigerator

Refrigerator Light

MMeecchhaanniiccaall DDiissaasssseemmbbllyy

The water filter is located in the upper right-hand corner of the refrigerator. The water filter filters water for the ice maker and the water dispenser.

1. Turn the water filter 1/2 turn counterclockwise and pull it down.

2. To install the filter, align the indication mark (unlock position) and push it up while turning 1/2 turn clockwise until the lock position is aligned. Do not over tighten.

1. Pull out the screw cap and remove the screw.

2. Remove the lamp cover by unlocking the tabs

and pulling the cover down.

3. Remove the water tank from the evaporator cover

by unscrewing the screws (2).

4. Remove the screws (6) at the evaporator cover

and the two fixed screws of the wire connector cover.

5. Take off motor and lamp wire connector located

on the upper liner.

6. Remove the duckwork of the evaporator fan in the

direction of the arrow as shown.

1. Remove the screw caps (2) and screws (5).

2. Slide the upper fan ductwork out while disconnecting the wire connector(lamp and thermistor).

The evaporator fan is located in the middle rear of

the freezer. This fan circulates cold air in the freezer.

1. Remove screws (4) located at the four corners of the fan bracket.

2. Take the fan motor assembly off.

Water Filter

Evaporator Cover in the Refrigerator

Upper Ductwork

Evaporator Fan Motor

MMeecchhaanniiccaall DDiissaasssseemmbbllyy

Evaporator is located in the bottom of refrigerator.

1. Take off the ductwork in refrigerator.

2. Disconnect the wire connector.(Heater and Thermistor)

3. Desolder the capillary tube and the suction line from the evaporator.

4. Remove the evaporator.

5. With a file, score the capillary tube just upstream of the soldered point. Break off the soldered section to help prevent solder from plugging the tube during soldering.

6. Place a new evaporator and braze the suction and capillary tube to evaporator using silver solder.

7. Install a replacement dryer.

8. Evacuate and recharge the system using

reasonable procedures.

The refrigerator thermistor is located inside of the

upper light cover of the refrigerator.

The CoolSelect Zone

thermistor is located outside

the back of CoolSelect Zone

drawer. The

temperature signal sends the micro-processor.

Refrigerator ThermistorRefrigerator Thermistor

CoolSelect ZoneTMThermistor

Thermistor

Suction Line

Capillary Tube

Thermal Fuse

Evaporator in Refrigerator

The door bins allow storage of perishable items.

1. Push the bin up and slide it out.

This switch is located in the left-hand portion of the

freezer and sends a signal to the processor.

1. With a small flat-blade screwdriver, unlock the locking tabs and pull the switch out until the wire connector is visible.

2. Disconnect the wire connector and remove the switch.

Drawers are designed for storage of meat and dry foods. The drawers are located in the lower portion of the freezer.

1. Pull out the drawer as far as it goes.

2. Tilt the drawer up and pull it out until it is removed.

The shelves slide out for easy access for frozen

items.

1. Slide the shelf out until it reaches its stop.

2. Tilt down and slide it out of thecompartment.

The ice dispenser is located in the upper portion of the freezer. This assembly stores ice made by the icemaker and dispenses ice.

1. Lift the ice bucket up ① and slide out the ice dispenser assembly ②.

Door Bin in Freezer

MMeecchhaanniiccaall DDiissaasssseemmbbllyy

8-2) Freezer Disassembly

Freezer Shelf

Plastic (Wire) Drawer in Freezer

Freezer Door Light Switch

Ice Dispenser ＆＆Ice Maker

MMeecchhaanniiccaall DDiissaasssseemmbbllyy

The ice maker is located inside of the ice dispenser

assembly.

Remove ice maker support screws (2), and slide out.

2. Disconnect the ice maker wire connector.

Unlock the locking tabs to separate the ice maker kit.

In order to assemble the icemaker kit.

1. Assemble the geared motor shaft and the front of ice tray.

2. Lift the front locking tab and assemble the ice maker kit.

3. Connect the ice maker wire connector.

4. Match the tab holes and tabs(2) located on the

top of the liner, and slide the ice maker in.

5. Tighten the screws (2) of the ice maker support.

This shelf is designed to support the ice maker ＆

ice dispensed and Xtra Space

1. Remove the Xtra Space

cover to push it down

and pull front.

2. Slide the partition out.

3. Remove the screws (2) on the bottom front of the case.

4. Slide out the case while disconnecting the wire connect.

Auger Motor Case

Partition

Screws

The freezer light is located in the bottom of the auger motor case. The light is covered by an opaque cover.

1. Remove the screw and the light cover.

1. Pull out the screw caps and remove screws (6).

2. Remove the ductwork of the evaporator fan in the direction of the arrow as shown.

3. Disconnect the wire connector.

1. Remove the screw cap and screw.

2. Slide the upper fan ductwork out while disconnecting the wire connector (Lamp and Thermistor).

The evaporator fan is located in the lower rear of refrigerator. This fan circulates cold air in the refrigerator.

1. Remove screw(4) located at the four corners of the fan bracket.

2. Take the fan motor assembly off.

Upper Ductwork

Evaporator Fan Motor

Freezer Light

Evaporator Cover in Freezer

MMeecchhaanniiccaall DDiissaasssseemmbbllyy

Evaporator is located in the bottom of freezer to

produce cold air driven across the evaporator coils.

1. Take off the ductwork in Freezer.

2. Disconnect the wire connector (Heater, Bimental, and Thermistor).

3. Desolder the inlet and outlet tubes.

4. Remove the evaporator.

5. Take the same steps to seal the system as

mentioned earlier.

The freezer thermistor is located at the top left of freezer vent. It sends temperature signals to the micro-processor.

The ambient thermistor is located inside the upper hinge cover. It sends temperature signals to the micro-processor.

The Ice-Maker thermistor is located in its bottom. The temperature signal sends the micro-processor.

Evaporator in Freezer

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Accumulator

Thermistor

Thermal Fuse

Freezer Thermistor

Ambient Thermistor

Ice-MakerThermistor

Freezer Thermistor

Ambient Thermistor

Thermistor(ICE-MAKER

)

1. Disconnect the power cord of the refrigerator

2. Remove the fixed screws (6) of compressor cover.

3. Slide up and take off the compressor cover to see the machine compartment.

4. Press the tab in electric box cover to take out

by using a flat-blade screw driver.

When the solenoids receive a signal from the microprocessor, they supply water to the water dispenser or the ice maker.

1. Remove bracket screw (1) on electric box.

2. Take the solenoids assembly out.

3. Disconnect water tubes (3).

The condenser Fan is located in the middle of machine compartment. It cools down the subcondenser and the compressor.

1. Disconnect the condenser fan wire.

2. Remove screw (1) on the drain water tray.

3. Take the condenser fan assembly off.

The sub-condenser is located in the machine compartment. The heat is extracted by condenser fan.

1. Desolder the compressor discharge ＆ the sub-condenser outlet.

2. Take out the sub-condenser.

Machine Compartment ＆＆Electric Box

MMeecchhaanniiccaall DDiissaasssseemmbbllyy

8-3) Machine Compartment Disassembly

(+)driver

(-)driver

PCB-MAIN ASSY

Water Solenoids

Condenser Fan

Sub-condenser

Desoldering Point

9. Operation Function

9-1) Digital Panel ······································ 24 9-2) Temperature Control Function

···························· 24

9-3) Power Freeze and Power Cool Functions

····················· 25

9-4) Child Lock Function

·································· 25

9-5) Ice ＆ Water Dispenser Function

·························· 26

9-6) C-Fan Motor Delay Function of the Machine Compartment

···········26

9-7) CoolSelect Zone

Function(RS2556, RS2578) ·················· 26

9-8) Water Filter Indicator Function

···························· 27

9-9) Ice-Maker Function

·································· 27

9-10) Defrost Function

··································· 29

9-11) Forced Operation Function (Pull-down/R-Defrost/R,F-Defrost/Cancellation)

· 30

9-12) Sound Function

··································· 31

9-13) Exhibition Function

································· 31

9-14) Self-Diagnostics Function

······························ 31

9-15) Load Operation Check Function

·························· 33

9-16) Restoration Function for Power Outage

······················ 33

9-17) Set Point Shift Function

······························· 33

9-18) Table of Set Point Shift Function

·························· 34

9. Operation Function

9-1) Digital Panel

When the system power is initally engaged, the default set temperature are -4℉ for the freezer and 38℉ for the set refrigerator, respectively. The numbers shown on the digital display panel stand for the actual compartments temperatures. When the compartment temperatures go down, so do the numbers on the display panel, and finally they reach the set temperatures. Once the system is stabilized, the display temperatures are the set temperature.

1) Freezer Temperature Control. To select a set temperature, press the Freezer Temp. button. The display shows the set temperature from -14℉ to 8 ℉ in sequence.

2) Quick Ice Freezer Temperature Control Interior Temperature of the freezer will be controlled with -14 degrees Fahrenheit until the ice bucket is filled up with ice cubes. When the ice bucket is filled up with ice cubes, the freezer will run with original set temperature. Also, whenever the ice bucket is released from being filled with ice cube, the freezer will repeat to be controlled with -14 degrees Fahrenheit. But if you select "Ice Off, the freezer always will be controlled with original set temperature.

3) Refrigerator Temperature Control. To select a set temperature, press the Fridge Temp. button. The display shown the set temperature from 34℉ to 46℉ in sequence.

note) Because of the temperature sensor sensivity, the refrigerator can be under and/or over cooled when

the air flow is blocked by stored foods. (Temperature range of the sensor : 15℉∼80℉) In the event of a power failure, if the freezer temperature is maintained lower than 41℉, the last selected set temperature and functions memorized in EEPROM will be restored when the power is on.

for RS2534

for RS2556

RS2578

9-2) T emperature Control Function

Operation Function

9-3) Power Freeze and Power Cool Functions

9-4) Child Lock Function

● Select the Power Freeze or Power Cool buttons separately.

● These buttons are toggled ON and OFF and the indicators as well.

● Although you select Power Freeze or Power Cool, the set temperatures in the freezer and refrigerator are not

changed.

● The set temperatures for the compartments can be changed while these functions are in use.

1) Power Freeze function 1-1) When you press the Power Freeze button, the LED indicator lights right away, but there is 10 seconds lag time

to an actual

operation. When this button is pressed again, the Power Freeze function stops and the indicator is off

immediately . 1-2) If you select Power Freeze, both the compressor and the freezer fan run for 2.5 hours continuously . 1-3) During Power Freeze, the freezer retains the current settings. 1-4) When Power Freeze expires, the indicator goes off and the freezer set temperature will be restored.

2) Power Cool function 2-1) Power Cool operation and the indicator work exactly same as the Power Freeze function.

2-2) When Power Cool is selected, COMP and Refrigerator Fan operate continuosly until the refrigerator reaches

25℉. This function will be terminated after 2

½ hr running.

3) When you select Power Freeze and Power Cool together

Each function works at the same time. The COMP and Freezer Fan run continuously and the Refrigerator Fan runs until 25℉in the refrigerator .

4) Initial Power-On

4-1

) When the freezer and the refrigerator temperatures are higher than 14℉ and 50℉, respectively, if Power

Freeze is selected, then the Refrigerator

Fan

will be off. If Power Cool is selected, then the Freezer

Fan

will be

off.

4-2) When both functions are selected, there is no benefit of fast cooling for each compartment.

● When the child lock button is pressed for 3 seconds, the child lock indicator is on with an audible tone.

-When it is locked, no function commands except the Ice type button will be accepted.

-This function will prevent accidental setting that may be caused by children or pets.

-To unlock the setting functions, press this button for 3 seconds again.

Operation Function

9-5) Ice & Water Dispenser Function

9-6) C-Fan Motor Delay Function of the Machine Compartment

9-7) CoolSelect ZoneTMFunction

(RS2556,RS2578)

● Among several ice-maker functions, the ice extraction function is performed by mechanical system. Only the relay

control for a cubed-ice dispensing and the SSR control for the ice chute door are performed electronically .

1) Select Cubed/Crushed/Ice-off function 1-1) The Ice Type button selects Cubed/Crushed/Ice-of f options in sequence. 1-2) A default setting is Cubed option. 1-3) If Cubed ice is selected, the Crushed ice bypass solenoid and the geared motor will allow Cubed ice to by pass

the ice Crusher.

1-4) If Ice-off is selected, the ice maker will stop working. This option will be terminated when Cubed and Crushed

options are selected.

1-5) The ice chute door must remain open for 5 seconds after dispensing ceases. After this 5 seconds delay , SSR

will be controlled to shut the ice chute door.

2) Water Dispenser function 2-1) To dispense water , depress the water dispenser lever located in the dispenser recess. 2-2) When the lever is depressed, the water solenoid valve located in the machine compartment is open to flow water. 2-3) There is no electronic control function for this option.

● According to the ambient temperature, the condenser fan located in the machine compartment is operated with

different modes.

● T o select this function, open the refrigerator door and press the button on the control panel of CoolSelect Zone

drawer.

● When the CoolSelect Zone

function is selected, the damper inside fan ductwork is open. So the refrigerator cooling

is performed first, then the damper is closed to control the CoolSelect Zone

temperature.

Note) When the Ice-off indicator is on, only Cubed ice will be dispensed from the ice bucket.

Caution) Do not force to close the ice chute door. T ry to dispense some more ice again to work it automatically.

Ranges of ambient temp.

Above 66℉

61℉ ~ 65℉

Below 60℉

Condenser-Fan is ON as soon as the compressor is on. Condenser-Fan is ON with 5 minutes delay from the compressor on. Condenser-Fan is OFF regardless of the compressor operation.

Condenser Fan

Delay function

Operation

1) Select function 1-1) Using Select button, Cool, Chill(30℉), and Soft Freeze(23℉) options can be selected in sequence. Cool option

maintains a set temperature of the refrigerator.

2) Quick Cool function 2-1) If the Quick Cool is selected, LEDs will flash 60 and Min. The count will be decreased in every minute. 2-2) To cancel this function, press Quick Cool button again or Thaw button or Select button. Otherwise, it will be

terminated 60 minutes later automatically . 2-3) After this function ends, this drawer will come back to Cool option. 2-4) A defrost cycle will be postponed until Quick Cool option is finished.

3) Thaw function 3-1)When the thaw button is pressed, LEDs will flash 4, 6, 10, and 12 in sequence and Hr. 3-2) The count will be decreased in every hour. 3-3) A cancellation of this function is same as Quick Cool function. 3-4) After this function ends, this drawer will be maintained with 30℉. 3-5) While the compressor is on, this drawer retains a certain temperature and while the compressor is off, the defrost

heater is activated and Refrigerator Fan is on with a closed position of the damper.

1) Filter Indicator 1-1)This indicator initally lights in green. The light color will be changed to orange after 5 month operation then to red

at the 6th month. The EEPROM in the control board counts a period of time regardless of a power failure. 1-2)To reset the counter and the light color , press Ice Type button and Child lock button for 3 seconds simultaneously. 1-3)If these two buttons are pressed simultaneously for 5 seconds, this function will cease. 1-4)To restore this function, press these buttons again for 3 seconds.

● The Ice-maker is referred to the device with an automatic ice production, storage in the ice bucket and dispensing

through the ice chute.

1) Ice-maker parts

TRAY-ICE

SCREW

SUPT-RUBBER

ICE-WAKER, KIT

EJECT-MOTOR

TEST-SWITCH

LEVELING-SWITCH

GUIDE-ICE

(Lever to check ice full)

KNOB-TOUCH

ICE Full-

SWITCH

Operation Function

9-8) Water Filter Indicator Function

9-9) Ice-Maker Function

Operation Function

Leveling S/W

ON(“LOW”) ON(“LOW”)

OFF(“HIGH”) OFF(“HIGH”)

Ice full S/W

ON(“LOW”)

OFF(“HIGH”)

ON(“LOW”)

OFF(“HIGH”)

Remark

·MICOM Port PIN #51: Leveling PIN #51: Ice full

·Port level OFF : 4.5V ↑ ON : 0.5V ↓

Judgement

Not ready Not ready

Not ready(Ice bucket with full of ice )

Ready

Push the bucket back fully so that the lever should not be pushed up.

2) Preparation of Ice-maker 2-1) Connect the water line to the water supply valve of refrigerator to supply water. (See how to connect a water

supply line in the owner’s manual.)

2-2) Push the bucket back fully so that the guide-ice of ice maker should not touch the back of bucket. (If the back of

bucket touches the guide-ice of ice maker, the ice maker will not make ice any more because of a ice full signal.)

2-3) It takes 6 hours to harvest a first ice, and throw away 2-3 times of these ice to make sure the supplied water clean.

1) Initial Operation function 1-1) Whenever the power is on, the control board checks the ice tray leveling with the leveling switch within 2 seconds. 1-2) If the leveling switch is not off position, the geared motor will turn to the initial position to make the ice tray leveled. 1-3) When the ice tray is leveled, it will remain this position for 2 hours (1 cycle time for ice production). 1-4) After 2 hours, the sensor located under the ice tray will measure the tray temperature. If the temperature is

maintained lower than 1℉(When ambient temperature is higher than 82℉,5℉) for 5 minutes, and the ice full switch is off position, the ice tray twisting process will begin.

Operation Function

2) Water Supply function 2-1) When the ice tray is levelled again after ejecting ice, the water solenoid value will be controlled to supply water by

time check basis. (See the “Time to supply water” Table)

3) Ice production

3-1) After 50 minutes pass from the water supply , the control board will check the temperature. 3-2) If the sensor reads the temperature lower than 1℉(5℉) for more than 5 minutes, than the ice production process

is completed.

4) Test function

● In order to operate a test function, press the knob (T est Switch) for 1.5 second.

● This function can be used to check a proper working, to clean the ice tray, and to adjust the water level in the ice tray.

4-1) This function only works when the ice tray is leveled and the ice full signal is cleared. 4-2) When the water line is connected, each process such as a water supply , ejection, and leveling, can be investigated

by this button.

5) Ice off function

5-1) When the Ice off option is selected by Ice T ype button, the ice making process will cease. 5-2) When the ice making process ceases, the final state will be the ice tray with supplied water. 5-3) When Cubed or Crushed option is selected again, the control board will check an accummlated time period. After

making it 50 minutes and when the ice tray temperature is acceptable, ice ejection process will begin.

6) Functions when the freezer door is open

● When the freeze door is open, all ice maker related processes will cease in order to minimize noise and to prevent ice

from dispensing. 6-1) The ice tray stops moving regardless of the position. 6-2) The water supply process remains working as usual. 6-3) If the ice tray is in the middle of ice ejecting process, close the freezer for 30 seconds and check if the tray is

leveled. If it is not leveled, it must be out of order.

1) A defrost is determined based on the accumulated compressor on-time.

2) When the power is engaged for the first time, the defrost cycle for the freezer and the refrigerator will begin after 4 hours of the accumulated compressor on-time.

3) A defrost interval depends on the ambient temperature, the number of door openings, and the door open time.

4) A minimum interval is 6 hours and a maximum is 8 hours for the refrigerator, and 12 hours and 16 hours for the freezer, respectively.

5) The defrost heater on-time is determined by the defrost sensors as follow :

9-10) Defrost Function

Freezer

Below 50

℉

Refrigerator

℉

Heater ON

Heater OFF

℉

Operation Function

9-11)

Forced Operation Function (Pull-down / Refrigerator Defrost / Refrigerator . Freezer-Defrost / Cancellation)

● This function enables a pull-down mode, a defrost mode for the refrigerator only, a defrost mode for the freezer and

the refrigerator at the same time, and a cancellation of this function.

● Press Power Freeze and Fridge T emp. buttons for 8 seconds simultameously to get in the ready mode for a forced

operation.

● The display panel will return to normal after 20 seconds in the ready mode.

● At the ready mode, press any button(except Ice Type and Child Lock) once to start a pull-down operation, twice for a

defrost cycle for the refrigerator, three times for a defrost cycle for the freezer and the refrigerator, and finally four times for cancellation of this function.

● Another way to cancel this function is to simply plug out and in the power cord.

1) Pull-down Operation

1-1) At the ready mode, press any button once then the buzzer will beep (ON for 1/2 second and OFF for 1/2 second)

until this mode is cancelled.

1-2) At this pull-down mode, the compressor will start immediately (No 5 minute delay) and if the system is in the

defrost cycle, it will be cancelled right away .

note) If this pull-down mode begins right after the compressor was off, the compressor may not start to run due to an

overload condition.

1-3) At this mode, the compressor and freezer fan will operate continuously for 24 hours and the refrigerator fan will be

on and off according to the set temperature(34℉) 1-4) After 24 hour operation, the system will be cycled at -14℉ for the freezer and 34℉ for the refrigerator . 1-5) In order to cancel this mode at any time, select the next mode on the ready mode or power off the system.

2) Defrost operation 2-1) At the pull-down mode, press any button again on the ready mode to begin the defrost cycle for the refrigerator. 2-2) The beep sound continues for 3 second at the beginning, then ON for 3/4 seconds and OFF for 1/4 second until

this mode cease. 2-3) After this operation, the system will come back to normal operation. 2-4) At this mode, press any button again on the ready mode to operate the defrost cycles for both compartments. 2-5) The beep sound continues for 3 seconds at that time, then ON for 1/4 second and OFF for 3/4 seconds until the

defrost operation cease.

3) Cancellation 3-1) At the R,F-Defrost mode, press ant button again on the ready mode to return to a normal operation. 3-2) Simply unplug the power cord, then plug it again to return to a normal operation.

Operation Function

9-12) Sound Function

1) Sound function 1-1) To make sure a command input, whenever a button is pressed, a “ding-dong” sounds. 1-2) When two or more buttons are pressed simultaneously or if a wrong button is pressed, there is no sound.

2) Door Open Alarm 2-1) When the doors remain open for 2 minutes, there are 10 times beeps. 2-2) If the doors continue to remain open more than 2 minutes, the additional 10 beeps interval will change to 1 minute. 2-3) The beeps will cease immediately when the doors are closed.

● This function is for a display purpose on the floor of show room or store.

1) Mode ON/OFF 1-1) For the exhibition mode, press Power Freeze and Freezer Temp. buttons simultaneously for 8 seconds until a

“ding-dong” sounds.

1-2) Press the same time buttons again for 8 seconds to cancel this mode put with a “ding-dong” sound.

2) Operation 2-1) Most of the system function except the compressor operation are working properly . 2-2) There is no defrost cycle in this mode.

1) Self-Diagnostics in the initial Power ON 1-1)The control board performs a self diagnostics test within 1 second and check out the temperature sensors abilities. 1-2) If a sensor failure occurs, a corresponding LED segment will blink with a beep. 1-3) When a LED segment blinks, only the cancellation function (Press Power Freeze and Power Cool buttons

simultaneously for 8 seconds) is acceptable.

1-4) After a replacement of bad sensor or a cancellation of this function, this self diagnostics will end.

2) Self-Diagnostics in the normal operation 2-1) To select this function, press Power Freeze and Power Cool buttons simultaneously for 8 seconds with an audible

tone.

2-2) In the self diagnostic mode, only corresponding LED segments will be illuminated (see the check list on the next

page)

2-3) After a 30 second illumination of error signal, the system will return to the normal operation.

9-13) Exhibition Function

9-14) Self-Diagnostics Function

Operation Function

󳢬 Self-diagnostics check list

If any LEDs blink, the corresponding sensors and components must be checked for an error .

NO Error

ICE MAKER SENSOR REFRIGERATOR SENSOR REFRIGERATOR DEFROST SENSOR REFRIGERATOR FAN ERROR ICE MAKER function error CoolSelect Zone

SENSOR REFRIGERATOR DEFROST ERROR EXIT-SENSOR FREEZER SENSOR FREEZER DEFROST ERROR FREEZER FAN ERROR CONDENSER FAN ERROR FREEZER DEFROST ERROR

① ② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬

Air sensor connector missing; contact failure, electric wire cut, short-circuit; open air sensor itself failure; and so on

CoolSelect

ZoneTMsensor

REFRIGERATOR

DEFROST ERROR

Ambient Air

SENSOR

Indicate Error when the temperature sensed by CoolSelect ZoneTMsensor is higher than

150

℉

or lower than –

58℉.

Indicate Error when the temperature sensed by the open air sensor is higher than

150℉or lower than

–

℉

Freezer sensor connector missing; contact failed, electric wire cut, short-circuit;Freezer Room sensor itself failure.

FREEZER

SENSOR

Indicate Error when the temperature sensed by Freezer sensor is higher than 150

℉

or lower than –58℉.

Freezer evaporator defrosting sensor connector missing; contact failed, electric wire cut, shortcircuit; sensor itself failure; and so on

FREEZER

DEFROST SENSOR

Indicate Error when the temperature sensed by Freezer defrosting sensor is higher than

150℉or lower than

–

58℉.

Freezer

Fan motor operation failure; feedback signal line contact failure, motor’s electric wire missing; and so on.

FREEZER FAN

ERROR

Indicate Error if the F and G signals generated by the FANmotor operation are not input.

Condenser Fan motor operation failure; feedback signal line contact failure, motor’s electric wire missing; and so on.

In the freezer room, if frost removal mode is finished due to limited time of 70 minutes. Error is displayed

CONDENSER FAN

ERROR

(COMP-FAN)

Indicate Error if the F and G signals generated by the FANmotor operation are not input

FREEZER

DEFROST ERROR

NO Error items LED

Display

Details Remarks

ICE MAKER SENSOR

Ice Maker sensor connector missing; contact failure, electric wire cut, short-circuit; Ice Maker sensor failure; and so on

Indicate Error when the temperature sensed by Ice Maker sensor is higher than 150℉or lower than –58℉.

REFRIGERATOR

SENSOR

Refrigerator sensor connector missing; contact failure, electric wire cut, short- circuit; Refrigerator sensor itself failure; and so on

Refrigerator

Fan motor operation failure; feedback signal line contact failed, electric wire cut, short- circuit; and so on

Indicate Error when the temperature sensed by Refrigerator

sensor is higher than 150℉or lower than –58℉.

Indicate Error when the temperature sensed by Refrigerator defrosting sensor is higher than

150℉or lower than –

58℉.

REFRIGERATOR

DEFROST SENSOR

Refrigerator evaporator internal defrosting sensor connector missing; contact failure, electric wire cut, short-circuit; sensor itself failure; and so on

Indicate Error if the F and G signals generated by the FANmotor operation are not input.

REFRIGERATOR FAN ERROR

ICE MAKER function

ERROR

Ice-ejector and level failed three times or more

󳢬 Error items of self-diagnostics

CoolSelect ZoneTMsensor connector missing; contact failed, electric wire cut, short-circuit; CoolSelect Zone

sensor itself failed; and so on. In the refrigerator room, if frost removal mode is

finished due to limited time of 80 minutes. Error is displayed.

Operation Function

9-16) Restoration Function for Power Outage

9-17) Set Point Shift Function

※ For the REFRIGERATOR FAN, only one rpm is applied for the current models, so that ① and ② show

REFRIGERATOR FAN operation only.

※ The

FREEZER FAN

and

CONDENSER FAN

are operated to High/Low rpm automatically according to the

operational condition.

※ ④⑤ and ⑥ only explain the system operation state according to the ambient condition

1) When the freezer temperature is lower than 41℉, all functions on the display panel will be restored.

2) When the freezer temperature is higher than 41℉, all functions will be initialized. (-4℉ for the freezer, 38℉ for the refrigerator, and Cubed for the Ice T ype)

● Press Freezer T emp. and Power Cool buttons simultaneously for 12 seconds to get into this mode.

● In this mode, only the display LEDs for temperature will be ON.

NO Contents

REFRIGERATOR

FAN High or AC

motor operation REFRIGERATOR FAN Low REFRIGERATOR DEFROST heater Start mode Overload mode Low-temperature mode Exhibition mode COMPRESSOR FREEZER FAN High FREEZER FAN Low FREEZER DEFROST Heater CONDENSER FAN High CONDENSER FAN Low Dispenser-Heater Damper Normal condition

󳢬 Table of Load Mode Check List

①

② ③ ④ ⑤ ⑥ ⑦ ⑧ ⑨ ⑩ ⑪ ⑫ ⑬ ⑭ ⑮

9-15) Load Operation Check Function

1) In the normal operation, press Power Freeze and Power Cool buttons simultaneously for 6 second, then the display panel will blink for 2 seconds.

2) Press Fridge Temp. button ⓐ to get into this check mode with an audible tone.

3) Each illuminating LED segment stands for the component which has an ouput signal from the control board.

4) This mode will terminate automatically after 30 seconds.

1) Shift the freezer temperature sensor

Code

0 1 2 3 4 5 6 7

－

1.0

℉

－

2.0

℉

－

3.0

℉

－

4.0

℉

－

5.0

℉

－

6.0

℉

－

7.0

℉

1.0

℉

2.0

℉

3.0

℉

4.0

℉

5.0

℉

6.0

℉

7.0

℉

8.0

℉

Temp. shift

Code

Temp. shift

9 10 11 12 13 14 15

9-18) T able of Set Point Shift Function

Operation Function

1) Initially , all products set the code, “0”

2) After 20 seconds from adjustment, a new setting will be stored in EEPROM and return to the normal display .

3) Freezer Temp, Fridge Temp., Ice maker water supply, Ice tray temperature, and

CoolSelect Zone

temperature can

be adjusted with this function.

Reference Value

Example) If you are lowering the current temperature of the freezer by

－

6.0

℉

Code

0 1 2 3 4 5 6 7

9 10 11 12 13 14 15

Temp. shift

Code

Temp. shift

2) Shift the refrigerator temperature sensor

－

1.0

℉

－

2.0

℉

－

3.0

℉

－

4.0

℉

－

5.0

℉

－

6.0

℉

－

7.0

℉

1.0

℉

2.0

℉

3.0

℉

4.0

℉

5.0

℉

6.0

℉

7.0

℉

8.0

℉

Operation Function

Example) If you are raising the current temperature of the refrigerator by

3.0

℉

Reference Value

Operation Function

5) Shift the CoolSelect Zone

temperature sensor.

■The following options is limited to a model with the Ice Maker.

3) Adjust the time to supply water for the ice maker

4) Shift the Ice maker temperature sensor

Reference Value

Code

Volume to supply water

85 cc

95 cc

Code

CoolSelect Zone

temperature sensor

℉

-1.0

℉

-2.0

℉

-3.0

℉

1.0

℉

2.0

℉

3.0

℉

4.0

℉

Code

Ambient temperature

is higher than 82

℉

Ice maker

temperature sensor

Ambient temperature

is lower than 82

℉

-0.5

℉

-4

℉

-7.5

℉

10.5

℉

17.5

℉

Reference Value

℉

10. Circuit Descriptions

10-1) Source Power Circuit ································ 38 10-2) Oscillator Circuit

··································· 38

10-3) Reset Circuit

····································· 38

10-4) Door S/W Sensing Circuit

······························ 39

10-5) Temperature Sensing Circuit

···························· 39

10-6) Key Scan and Display Circuit

···························· 40

10-7) CoolSelect Zone

Panel Circuit ·························· 42

10-8) Fan Motor(BLDC) Drive Circuit

··························· 43

10-9) EEPROM Circuit

··································· 44

10-10) Option Circuit

···································· 44

10-11) Load Drive Circuit

·································· 44

Circuit Descriptions

10-1) Source Power Circuit

10-2) Oscillator Circuit

10-3) Reset Circuit

Terminal Oscillation Frequency

Xin(#30)

Xout(#31)

4MHz 4MHz

This circuit shows SMPS(Switch Mode Power Supply) which converts AC input voltage (1 15V, 60Hz) to a high DC voltage (170V). The input AC source power is converted to DC through a wave rectifier (BD1) and the converted DC power will generate a constant waveform on the switching transformer using a high speed (100KHz) switching motion of TOP223Y. The D104 will rectify the generated voltage and transform into a steady 12V DC source power used for the digital display panel and relays. The regulator (KA7805) finally transforms into 5V DC source power for the control board and sensor’s circuits.

Caution) Be careful to handle this circuit due to high voltages (AC1 15V, DC170V)

This is oscillator circuit to generate synchronous clocks used to calculate the time for the microprocessor operation. Note) If the specification of a resonator changes, micro-processor can not work properly .

The reset circuit is to initialize the values RAM ＆ other sectors of micro-processor . When the power is engaged initially, the reset voltage becomes “Low,” and it keeps “High” in the normal operation.

Terminal Voltage

Vcc

RESET

DC 5V DC 5V

Circuit Descriptions

10-4) Door S/W Sensing Circuit

10-5) T emperature Sensing Circuit

1) The terminals, ② and ⑥ of the connector (CN30) are grounded, and DC5V (Vcc) is supplied to the terminals, ⑤ and ⑥ through the resistors, R404 and R403 for the freezer and the refrigerator door, respectively .

2) The micro-processor senses the door’s open and close based on engaged voltages, “Low(0V)” and “High(5V),” respectively .

Note) The door switch always should be checked when the evaporator fan is not running while the door is closed.

Terminal

Operation Volt(state)

Freezer

DOOR CLOSE DOOR OPEN

0V (LOW) 5V (HIGH)

Ref.

DOOR CLOSE DOOR OPEN

0V (LOW) 5V (HIGH)

# of t

erminal in MICOM Remark PIN #49 (F-SENSOR) PIN #50 (F-DEF-SENSOR) PIN #52 (R-SENSOR) PIN #53 (R-DEF-SENSOR) PIN #56 (EXT-SENSOR)

Micom terminal voltage may change according to temp.

1) A thermistor with a negative temperature coefficient (NTC) is used for a temperature sensor .

2) Resistors, R 306 ∼ R310 and capacitors, C 301 ∼ C 305 are used for a noise protection purpose.

3) For the F-sensor, the input voltage into the micro processor (MICOM), VF is calculated by (Rth x Vcc)/(R303+ Rth), where Rth is a corresponding resistance to the thermistor’s output (See Ref. 6 in Appendix).

4) The F-Def sensor is connected with a bimetal and a temperature sensor is in parallel. In a normal operation of the system, the bimetal is on and 0V is input into the micro-processor. During a defrost cycle, the bimetal will be of f from 54℉, and a divided voltage with R304 enter to the micro-processor to keep sensing the set temperature.

Circuit Descriptions

10-6) Key Scan and Display Circuit

Note)

1) F-DEF-sensor and Bimetal work in parallel.

2) At the first power on, an open error (5V input to MICOM) can be detected by self-diagnostics. A short error will be ignored.

3) In self-diagnostics during a normal operation, only an open error can be detected.

4) The F-DEF heater will be off at the set temperature after the bimetal is off.

1) Key Scan and display operation. The model uses a decorder IC which 4 inputs and 9 outputs.

If the IC 9 decorder (TC4028BP) receivesd signals from MICOM pins (3∼6), an output signal per 2 miliseconds comes out from Q3, Q41, Q8, Q6, Q9, Q7, Q0, Q2, and Q4 pin in sequence. This signal enters to a driver IC input terminal of the CoolSelect Zone

PCB and IC5 (TD 62783AP), then approximate 1 1V peaks will generate from an output terminal as shown on the next page.

Circuit Descriptions

The step signals of DC 1 1∼ 12V will be generated periodically. If a sink signal outputs from IC4, DC 11-12V will be applied to the LED input terminal and sink the LED output terminal to 0V. Therefore, LED will be ON for 2 miliseconds.

2) Key Scan The 6 step signals, Q6∼Q4 are applied to scan the 6 keys (buttons). When SW6 is pressed, the step signal from Q6 will be reduced to 5V and entered to the MICOM, then MICOM will match a corresponding function for SW6 key .

1) CoolSelect Zone

display panel and temperature sensor

1-1) CoolSelect ZoneTMis referred to as a storage drawer to implement features of Quick cool, Thaw, and Select (Soft

Freeze, Chill, and Cool).

1-2) CoolSelect ZoneTMhas an additional display panel. Panel LED are off while the doors are closed. When a door is

open, micro-processor senses its signal and LEDs will be on. 1-3) The basic operational principle is the same as the key scan process. 1-4) The additional sensor can measure the temperature of CoolSelect Zone

. This sensor enables to control the

features of CoolSelect Zone

2) Damper drive circuit

Circuit Descriptions

10-7) CoolSelect Zone

Panel Circuit

Circuit Descriptions

10-8) Fan Motor (BLDC) Drive Circuit

2-1) CoolSelect ZoneTMDrawer is controlled by a damper to supply or block cold air. For Quick Cool, the damper will be

close. So cold air is supplied only to CoolSelect Zone

Drawer. For Thaw, the evaporator heater of refrigerator is

ON and the damper is controlled by the refrigerator temperature.

2-2) The stepping motor controlled by a Driver IC T A7774P(IC7) operates the damper. The stepping motor uses 4

combined signals to open and close the damper.

Note) To prevent the malfunction from a high humidity, a Dc12V, 1 watt heater is mounted and activated continuously.

1) Motor drive circuit

1-1) This refrigerator adopts a BLDC motor froeduce energy consumption, Motors of the freezer, refrigerator and the

machine compartment are composed of the BLDC. For RS2534, R-fan is operated by AC 115V Motor .

1-2) Voltages between high-speed and low-speed

Note) Under the conditions, the fans will be operated in 2 options, such as High and Low mode. Generally , it is

operated in the High mode during a day time and in the Low mode at night.

Voltage of motor

High

Low

Measure b

(F-FAN)

11.1V 10V

Measure C

(R-FAN) 10V 10V

Measure d

(C-FAN)

10V

8.3V

In the normal operation, MICOM No. 40, 41 and 42 applies a constant frequency; and MICOM defects the signal to check the failure of motor. (frequency(Hz)×12 = motor rpm)

Remark

Circuit Descriptions

10-10) Option Circuit

10-11) Load Drive Circuit

10-9) EEPROM Circuit

EEPROM is semiconductor memory not to be erased. It can be used in the area of unstable electric power.

1-3) When the motor rpm is in 600∼700, it will stop automatically and it tries to resume after 10 seconds. If the motor is

not working properly after 5 time trials, it will rest for 10 minutes, then try to resume again. This process will be done continuously .

Note) If there is an abnormal situation for the motor, the self-diagnostics will show the corresponding LED segment.

1) The control of load in the system is accomplished by the main PCB.

2) Most of relays or SSRs can control compressor, refrigerator/freezer defrost heater, and several option functions.

3) For compressor, #18 pin of micro processor signals High (5V). This signal inputs #5 pin of IC3 and #14 of output terminal which have base and collector functions of IC3 turns on and connects the GND. Relay 73 will be grounded through #14 of IC. Magnetic lines will generate so that the second side of RY73 is activated and 115V is supplied to the compressor. On the other hands, if #18 of micro processor turns Low(0V), #5 of IC3, the current of R Y 73 relay, and magnetic line will shut down in sequence. A contact point in secondary side of Relay 73 is off. Finally compressor will stop.

There are a variety of models that have a different function. A different model can set up to use option circuit as shown.

XXX

D601 D602

OPTION

CoolSelect Zone

No CoolSelect Zone

Circuit Descriptions

4) The principles of other loads is the same as 3) item described.

Note) SSR(Solid State Relay) is a kind of Relay .

*COMP. equivalence circuit of drive section

Check the exchange of fuse and

disconnection cause.

- Check the connections of main PCB.

- Check the connections between upper hinge and CABI-door.

- Check the connections between door and panel PCB.

11. Diagnostics

11-1) If power is not ON

At the power of main PCB, the 1 15V power and a high-voltage over DC 170V occur. Please take care of yourself on repair and measurement.

Is 115V AC fuse down?

Is power 115V

both terminals of CN10?

Is fuse on main PCB down?

Is DC 170V impressed to both

terminals of BD1?

Top S/W 233Y

Is the voltage impressed DC 5.8V

between C and S ?

Is 12V impressed to both

terminals of C102?

Is the load such as relay normal?

Is normal the load, such as

relay?

Is there any PCB soldering, short or broken?

Normal

Start

To check the main PCB, please apply descriptions of operation and references in the manual.

YES

Check the assembly and connection of

electric wires.

Exchange fuse

115V 2A?

YES

Check the PCB pattern and replace BD1.

Replace PCB assembly.

1) Replace D104 (D5S6M).

2) Replace PCB assembly.

Replace REG1(KA7805)

1) Check the assembly of electric wires and troubleshoot.

2) Replace the panel PCB.

1) Replace the corresponding relay.

2) Check lead wire for contact.

Replace PCB assembly.

Caution!

Diagnostics

11-2) If the compressor and cooling fan motor don’t work normally

Apply Ref.4

Did 5 min pass after COMP. OFF?

Start

Check after a lapse of 5 min.

Apply Ref. 7

Did buzzer sound on forced operation?

(Check certainly after forced start.)

Exchange MICOM and PCB.

Exchange and repair IC03.

(ULN2803)

Does compressor work

with forced operation?

Is MICOM No.18 High?(5V)

Open and repair the

connection.

Troubleshoot the

sensor and Exchange

PCB.

Is the voltage of IC03 pin No. 14 between 0-1V?

Open and troubleshoot the

connection.

Is COMP relay normal?

Exchange or troubleshoot

COMP relay.

Apply Ref. 2

Is the contact of connector CN70 normal?

Insert connector completely?

Is COMP assembly normal?

Exchange and repair COMP.

assembly.

Normal

YES

Is freezer sensor normal?

Is the temp. sense

of main PCB Normal?

Diagnostics

11-3) If defrost function

Is F, R defrosting sensor by

self-diagnosis normal?

Start

Exchange and troubleshoot the

corresponding sensor.

󳢮 See Ref. 3: ‘Check load’ in the manual.

󳢮 Make decision on the basis of ref. 4 and

6 in the manual.

󳢮 See test function in the manual.

󳢮 Recheck the corresponding sensor for

an error if it fails in return.

󳢮 See ‘Load Drive Circuit section’ and Ref. 2: How to check failure of relay.

Is F, R Room defrosting heater normal?

Check temp. fuse,

breaking of heater wire, contact of

wire and so on.

Is temp. of the defrosting

sensor below 5?

Run forced operation for a

specified period.

Repair the connection terminal.

Perform forced defrosting for F and

F Room at a time.

Normal

Check temp. fuse, breaking of heater wire,

contact of wire and so on.

Exchange or troubleshoot the failure relay or

exchange PCB ass’y.

Is power applied to the

respective defrosting heaters?

Does the system

return to cooling operation after heating

for a specified period of time?

Recheck the connection

terminal in Main PCB

YES

If temp. of F, R defrosting sensor by the working of heater are over 50℉

Reference

Diagnostics

11-4) If there is a trouble with self-diagnosis

1) If the ambient sensor has trouble

No trouble with PCB and temperature sensor.

Recheck the contact failure of connector.

YES

2) If the temperature sensor of R room has trouble

󳢮 See Ref. 4 (descriptions of

circuit operation, and how to check temperature sensor in the manual.)

- Error of sensor can be seen on the front display of refrigerator. If power is impressed to refrigerator first, an failure of sensor is found. The refrigerator will stop working and display(blink) the region of trouble-occurred sensor repetitively.

- Even if sensor has failure during the operation, the refrigerator will not stop working but can run the normal cooling operation because of being operated in the Emergency Operation mode. Therefore you’ re requested to use how to check self-diagnosis(at page 26) in the manual.

- The sensor of freezer is connected in parallel with Bimetal. See the contents of Temperature Sensing Circuit section in the description of circuit operation.

A bad contact or connector missing?

Was the Main

– PCB connector(CN31) inserted

correctly?

Is the ambient temperature

sensor normal?

Is the input of voltage to

MICOM pin No. 63 normal?

Start

Exchange the temperature sensor.

Check the iced solder and

short of main-PCB.

YES

󳢮 See Ref.4 (descriptions of

circuit operation, and how to check temperature sensor in the manual.)

󳢮 For sensor resistance per

temperature, make use of the resistance values from Ref. 4 and 5.

Exchange the temperature sensor.

Is the unit of

Fridge’s temperature

sensor normal?

Was the Main – PCB

connector(CN30) inserted

correctly?

Is the sequence of

insertion of connector(CN30) wire identical to

the circuit diagram?

Is the input voltage to

MICOM pin No. 59 normal?

Start

Troubleshoot a bad contact or missing of

connector.

Check if the iced solder of main PCB is

short.

Modify the wrong configuration of connector wire -in case of being not inserted or incorrectly inserted - to be coincided with the circuit diagram.

No trouble with PCB and temperature sensor. Recheck the connector for an error of contact.

󳢮 Freezer door MICOM No. 43,

Fridge door MICOM No. 44

– Regular voltage are 5V to Open :

0V to Close.

󳢮 Separate the door S/W and

check if the measured value of unit is changed from 0 to∞Ω according to S/W ON/OFF.

1) If “Ding-Dong” sounds continuously

Isn’t the door opened minutely?

Start

Remove causes after comprehending the conditions of interference by door gasket, food etc.

Isn’t water penetrated

into the door S/W?

Exchange the door S/W.

Is the input voltage of

main No. 43 and 44 changed at door-open,

door-close?

Troubleshoot the breaking of wire and

bad door S/W.

Main PCB and door S/W are normal.

Yes

No slightly

YES

Connector not inserted. Troubleshoot

poor contact.

Exchange the door S/W.

YES

Is the state of inserted connector

(CN30)being normal?

YES

Is the door S/W self-unit normal?

YES

2) If “Ding-Dong” sounds continuously

Didn’t you

select Forced operation and Forced

Defrosting?

Start

Release the Forced operation and

Forced Defrosting functions, or turn

ON again after power OFF.

Do buzzer

still sound after power-on

again?

Main-PCB is normal

Check if there is any short parts due to

foreign matters and the test

jumper part in the main-PCB.

Selected

YES

Diagnostics

11-5) If alarm sound

Diagnostics

3) Without sound of buzzer operation

Does it sound

‘Ding-Dong’if you press a button

on front panel?

Start

Main PCB is normal; buzzer normal.

Check the panel PCB with the reference of ‘how to check panel display’.

Buzzer is broken – replace it.

Does it make a sound of ‘door-open’ alarm

when you are opening the door of freezer or fridge

more than 2 min?

Is the buzzer in the

main PCB blackout or bent?

The main PCB and buzzer are normal

YES

Replace the main PCB.

(failure of MICOM)

Are signals coming

out of MICOM No. 21 in a 1-sec cycle

after the Forced operation?

Is signal of Q801

Base ouputted with 1 sec. intervals

in the condition above?

Did lead of a

component fall on the vibration plate

of buzzer?

Check the state of pattern connection

between MICOM No.21 and Q801.

(Check Open/Short)

Poor buzzer is broken down or

replace the buzzer.

YES

󳢮 Refer the description of

Test function in the manual for the Forced operation.

Diagnostics

11-6) If the panel PCB is not working normally:

1) Where lighting of the panel PCB is disabled, or only some lamps are disabled.

2) Where the Panel PCB key isn’t selected:

- The basic check way : If you is troubleshooting in the basic check method, then

Is the connector

of upper hinge cover inserted

normally?

Start

Reinsert the connector. Troubleshoot

a poor contact.

Is the main PCB

connector(CN50) inserted

normally?

Reinsert the connector in the main

PCB.

Is the connector of

door panel PCB connector inserted

normally?

Reinsert the connector. Troubleshoot

a poor contact.

1. Check the door wire of freezer – the breaking of wire, short between wires.

2. Check the CABI wire of freezer – the breaking of wire, short between wires.

3. Check the Panel Lighting Circuit section within the main PCB for Short Open.

1. Check the door wire of freezer – check the breaking of wire, short between wires.

2. Check the CABI wire of freezer – check the breaking of wire, short between wires.

3. Check for Short/Open of the Panel Lighting Circuit section in the main PCB.

YES

Panel PCB itself has trouble.

YES

Is lighting operated

normally when the exchange of panel

PCB?

Recheck after the cancel of locking function.

YES

Is the locking lamp lit on?

YES

Reassemble the PCB ass’y/Enforce the cancellation of pressed keys.

Aren’t a key or more buttons

pressed continuously?

YES

Reassemble the PCB ass’y/Enforce the cancellation of pressed keys.

Operated by separation

Isn’t the PCB system

still operated by seperating of the

mechanism?

Panel PCB has trouble for itself.

YES

Is lighting

operated normally in the exchange

of panel-PCB?

YES

1. Replace the main PCB.

2. Check the wires of CoolSelect Zone

panel for Short.

Is a periodic

wave form outputted from the main

PCB IC9?

󳢮 See Ref. 1: ‘View of the

connection cabinet-door for the wire assembly’ in the manual.

󳢮Refer to the description of

circuit operation in the manual 8-6) Key scan and display Circuit selection’s, and measure the wave pattern.(page 35)

Diagnostics

11-7) If fan doesn’t work:

󳢯 The refrigerator has been applied with the BLDC fan motor for RS2534, R room Fan is AC motor used. The BLDC

motor is driven by DC 8-12V.

󳢯 Under the normal condition of COMP ON, it is operated together with F-FAN motor. With operation of the CoolSelect

ZoneTMfunction, the F-Fan motor will not work. If the door is opened and closed once at a high ambient temperature, the BLDC motor would be operated after a 1-minute or longer delay. Therefore, you’ re advised not to take it for an error.

󳢯 When the Fridge is open, the freezer fan motor will also stop working simultaneously with the fan motor. (for the

purpose of performance improvement).

Reference

COMP OFF?

Start

Execute Forced operation. (See page 34 in the manual)

Is the voltage DC 9-11V between

GND of the main-PCB section and CN72 pin No. 6

DC 9-11V?

Fan works normally.

Is the voltage DC 0V between

CN30 No. 1 and No. 2 in the main-PCB

DC 0V?

Troubleshoot the

connections of door S/W.

In the first application of power, the freezer/fridge/compressor fans work for 5 minutes regardless of the condition.

Apply power around 5 minutes after the power OFF. (Prevent overload on compressor.)

Expected causes :

1. Check if the fan motor has failure for itself.

2. Check if the wire connections have a trouble of contact.

3. Check the input of the fan motor rotation pulse in the operation motor fan. (See the details of Fan Motor Drive Circuit section at page 47.)

YES

Is the voltage between

GND of the main-PCB and pin No. 4

of CN72 around DC 10V?

Is the voltage DC 10V between

CN30 No. 5 and No. 6 in the main-PCB

section?

Is the voltage between GND

of the main-PCB and pin No. 4 of CN72

around DC 8-10V?

YES

Does DC 9-11V alternate

with below DC 2V between GND of the main-PCB section

and CN72 pin No. 6?

Exchange or troubleshoot the

main PCB.

Measure with the door closed.

- door open: DC 5V

- door close : 0V

YES

CN72 No. 3(F)’ 2(R)’1(C) will get entered pulse signals which are generated when the motor rotates. These signals will be inputted into MICOM. Unless signals are not inputted in the rerun of motor, it will be ON 10 seconds after the fan OFF. But If signals are not still entered, the above operation will be rerun four times more. Without signals entered continuously, the motor will get restarted after 10 minutes. This function is effective where the normal operation of motor would be restrained due to foreign matters such as ice.

Reference

Does DC 10V alternate

with below DC 2V between GND of the main-PCB sectionand

CN72 pin No. 5?

YES

Does DC 8-10V alternate

with below DC 2V between GND of the main-PCB

section and CN72 pin No. 4?

YES

For C-FAN

For C-FAN For R-RAN For F-FAN

For R-FAN For F-Fan

Diagnostics

11-8) If CoolSelect Zone

isn’t operated normally (RS2556, RS2578)

1) If the lamp of CoolSelect Zone

is not lit.

2) Where the Panel PCB key isn’t selected:

- The basic method is applied to check – if you fail in troubleshooting after above the execution, then

Is the connector of

CoolSelect Zone

inserted correctly

in the fridge?

Start

Reinsert the connector; troubleshoot

a bad contact.

Is the connector of main

PCB (CN51) inserted correctly?

Reinsert the connector in the main

PCB.

Is the connector of

CoolSelect ZoneTMpanel PCB

inserted ?

Reinsert the connector; troubleshoot

a bad contact.

1.Check the wires of CoolSelect Zone

– check the disconnection of wire, short between wires.

2. Check the Lighting Circuit of CoolSelect Zone

panel in the main PCB for Short/Open.

3. Check the main PCB of CoolSelect Zone

assembly for Short; the state of wire assembly between

the panel and main PCB.

1. Check the wires of CoolSelect Zone

– check the disconnection of wire, short between wires.

2. Check Short/Open the Lighting Circuit section of CoolSelect Zone

panel in the main PCB from.

3. Check the inside main PCB of CoolSelect Zone

ass’y for Short; the state of wire assembly

between main PCB.

YES

Panel PCB has trouble for itself.

YES

Is lighting operated

normally when the exchange of CoolSelect Zone

panel PCB?

Where the Panel key isn’ t selected:

YES

Reassemble the PCB ass’y/Enforce the cancellation of pressed keys

Aren’t a key or more pressed

continuously?

YES

Reassemble the PCB asswmbly and Enforce the cancellation of pressed keys

Isn’t the PCB system

still operated by separation?

Panel PCB has trouble for itself.

YES

Is lighting operated

normally after the exchange of

panel-PCB?

YES

1. Replace the main PCB.

2. Check the wires of CoolSelect Zone

panel for Short.

Is a periodical wave

form outputted from the main

PCB IC9?

󳢮 Refer to 8-7) CoolSelect Zone

, Panel Circuit and measure the wave form.

Diagnostics

11-9) If the lamps of freezer / refrigerator fail in lighting:

1. When you are exchanging the lamp of freezer, please exchange or troubleshoot it with the power OFF to avoid an electric shock.

2. Please keep in mind you do not get burnt by the excessive heating of an incandescent light bulb.

Is the inside lamp’s filament cut?

Start

Exchange or troubleshoot the

inside lamp.

Does the F-door S/W

have a normal contact?

Exchange or troubleshoot the

door S/W

Check the connections of F and R-door S/W; check and troubleshoot the inside lamp socket.

YES

Caution!

Separate the door S/W and measure its resistance with a measure. As the result, every Open/Close of the door S/W should turn 0/ ∞, respectively.

1) Where 0 alone comes out : Door S/W has Short trouble.

2) Where ∞ alone comes out : Door S/W has Open trouble.

How to check :

If the door is opened, then the contact of door S/W is opened and MICOM gets applied 5V to finally sense Open. If 5V has been sensed over two minutes afterwards, then an Door-Open alarm will sound ‘Ding-Dong’ for 10 seconds in a one-minute cycle. For that reason, if the door S/W has failure, the refrigerator can make a “Ding-Dong” sound per a one-minute cycle. Please note step for its service!

Reference

Diagnostics

11-10) If the ice chute cover solenoid doesn’t work :

Is the S/N(solenoid) for 0.3 sec

operated after 5 minutes from the outset

of power ON?

Start

Is MICOM No. 27 on

PCB maintaining High for 0.3 sec at the first

power ON?

Press Ice lever and keep it open.

Is the cover closed of

S/N after a lapse of about

7∼10 seconds?

With the ice S/W ON

and ICE S/W on, ice-movement motor in F room?

Does C-E(between C and E)

of TR Q701 turn ON for 0.3 sec?

MICOM control port is normal.

Exchange the main PCB assembly.

The S/N control PCB assembly and wire system have no trouble.

All the control system of cover iceroute has no trouble.

Check the ICE S/W and troubleshoot the wire connection syste

- Main PCB and the sensing section of ice-S/W are normal.

- Check the operation of SSR71 and Q701.

Check the stop lever and support time-delay.

Replace TR Q701 check SSR71 after, and then exchange failed components or replace the PCB assembly.

TR701 and SSR71 are normal

YES

1) Check if the solenoid is operated unconditionally for 0.3 sec, independent of the Open/Close condition of cover ice-route, after a lapse of about 5 seconds from the outset of power ON. (Before installation, the cancellation of cover ice-route Open is enabled.)

2) Check if the connector of upper hinge section is hook-up correctly.

Preliminary check

Subject to the ice

S/W ON, do CN31 No. 2 and MICOM No. 45

get impressed 0V?

Is ice ejected?

What’s your selection

between crushed and cubed?

Is the cube ice ejected sufficiently?

Does ice in the ice tray exist ?

Do you see Ice Stop on the digital panel?

Is the Crushed ice extracted

sufficiently?

Start

The condition of close on operation is subject to the freezer door.

1) Check the ice-ejector S/W.

2) Check the door S/W.

3) Check the ice moving motor.

4) Check the cut of wire in the Ice moving Motor section.

Cancel Ice Stop, select cubed/crushed ice.

Normal operation

1) Check the water hose for folding or fastening.

2) Check the ice-water-way and solenoid value

3) Check the wires of ice-maker.

Crushed ice

Cubed ice extracted

Normal operation

YES

Does MICOM No. 25 turn 5V if

pressing Ice S/W?

Failure of Main PCB and exchange it.

YES

Does the voltage

of IC3 No. 18 turn 0V even in the ice

S/W OFF?

Failure of Main PCB(IC3) and exchange it.

YES

Does the contact

shelf of RY77 relay turn 0Ω even in the

power OFF?

Failure of Main PCB – exchange. (The contact terminal of RY77 relay short failure.)

YES

Failure of Main PCB has. –Exchange it.

Main PCB(IC3) has failure – exchange it.

Main PCB is normal operated.

- - - Necessary to check other sections.

1) Check the wire between terminals of the AUGER motor and main PCB.

2) Failure of cube solenoid for itself, or bad contact of the connector.

Main PCB is normal.

- - - Check other sections.

1) Check the wire between the AUGER motor and main PCB.

Measure both contact terminals of RY77 after the separation of CN70, CN71 connectors.

Measure both terminals of RY77 contact after the separation of CN70, CN71 connectors.

Exchange of Main PCB(RY77 relay).

cubed ice

Does MICOM No. 25 turn

5V if pressing Ice S/W?

Does IC3 No. 18 turn 0V if

pressing Ice S/W?

Does the

contact shelf of RY77 relay turn 0Ωif

pressing ICE S/W?

YES

Diagnostics

11-11) If Crushed Ice/Cubed Ice doesn’t work properly:

12 . Illustrated Parts Catalog.

12-1) Freezer

3-6

3-9

3-7

3-4

3-3

3-10

3-8

24-1

25-1

24-2

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA96-00021L DA47-00095C DA32-10105R

DA60-00042A DA97-00466U

DA97-00466V DA63-00797D

DA62-00123A

DA61-00412A

DA61-00410A

DA61-00411A DA62-00077C

DA62-00122A

DA62-00129A

DA31-00038A

DA61-00417A

DA63-01146A

DA31-00020E

DA63-00713B

DA39-00060K

DA63-40167A

DA97-02006A

DA63-02181A

DA62-00761A

DA62-00762A

DA63-02179A

6002-000213

DA32-10109W

DA62-00168A

DA62-00763A

DA61-00495B

DA62-00120A

DA62-00082A

DA97-00731F

DA63-00202A

DA97-00730F

DA63-00202A

DA97-00685F DA63-00775D

DA63-00777E

DA63-00778B

DA60-90125A

DA63-10016A

6002-000475

6002-000471 DA72-60315A DA60-40116A

6001-000033 DA71-70003A DA60-90135A DA61-20124A DA63-40167A DA66-00140A DA61-20139A DA70-00394A DA60-30108A DA72-60313A

1 1-1 1-2 1-3

2 2-1

2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9

2-10 2-11 2-12 2-13 2-14 2-15

3 3-1 3-2 3-3 3-4 3-5 3-6 3-7 3-8 3-9

3-10 3-11

4 4-1

5 5-1

6 6-1 6-2 6-3 6-4 6-5 6-6 6-7 6-8 6-9

6-10 6-11 6-12 6-13 6-14 6-15 6-16 6-17 6-18 6-19

215V,215W 250V,72°C 125/250V

BLDC SILICON

ASSY EVAP-FRE THERMO FUSE-ASSY SENSOR-ASSY SPACER-EVAP FRE

ASSY-COVER EVAP,FRE COVER-EVAP FRE

INSULATION DUCT-FRE GUIDE AIR-FRE PLATE-AIR PLATE-FAN MOTOR SEAL-DUCT FRE,RE INSULATION DUCT-FRE,SUB SEAL DUCT-FRE,UP FAN-BACKWARD CASE MOTOR GROMMET-MOTOR MOTOR DC-BLDC,SENSOR COVER-MOTOR W/HARNESS MOTOR GROMMET-COVER CHIL ASSY-COVER MULTI FRE DISP COVER-MULTI FRE,DISP INS-FRONT SUB,B INS-FRONT SUB,A COVER-MULTI FRE,SUB SCREW-TAPPING SENSOR ASSY SEAL-SENSOR FRE,DISP INS-MULTI FRE DISP GUIDE-MULTI FRE UPP SEAL-MULTI REAR,DISP SEAL-COVER MULTI FRE LOW ASSY-RAIL BASKET,L GROMMET-RAIL ASSY-RAIL BASKET,R GROMMET-RAIL TRAY ICE-BUCKET,ASSY TRAY ICE-BUCKET COVER-ICE BUCKET,A COVER-ICE BUCKET,B RING COVER-CRUSHER DISP SCREW-TAPPING SCREW-TAPPING SEAL-BUCKET DISP WASHER-PLAIN SCREW-MACHINE GUIDE-ICE DISPENSER PIN SPRING ETC-DISPENSER GROMMET-COVER CHIL LEVER-CUBE SPRING ETC-ICE MAKER PLATE-BUCKET NUT-HEX SEAL-POM

OOPPTTIIOONN

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

■■

Parts List of Freezer

* * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788WWWW

* * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788SSHH

* * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788BBBB

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA72-60314A DA31-20120C DA60-90136A DA71-20231A DA31-20121A DA31-20122A DA31-20009A DA61-01386A DA61-01609A DA66-30138A DA31-20120A DA31-20120B DA67-00763B DA97-00705R DA61-00262D DA60-00001B DA60-00001A DA63-00793B DA96-00036A DA47-40112V

4713-001197 DA74-40151G DA72-60348A DA60-90137A DA60-90137B DA63-90008A DA65-20107A DA61-20140A DA71-00163A DA66-90003A DA61-60001A DA63-00785A DA61-00239A DA70-20017A

DA31-00039F DA73-00168A DA63-00784D DA67-00770B DA97-00258C DA61-70254A DA61-00524A DA63-02183A DA61-01799A DA63-01453B DA61-00244B DA71-20252A

6002-000213 DA71-20270A DA97-00157H

DA97-00158L DA97-00142P DA97-00143P DA97-00111C DA34-10120C DA97-00701D DA63-01290B DA61-00777C DA64-00676A

6-20 6-21 6-22 6-23 6-24 6-25 6-26 6-27 6-28 6-29 6-30 6-31

8 8-1 8-2 8-3 8-4 8-5 8-6 8-7 8-8 8-9

8-10 8-11 8-12 8-13 8-14 8-15 8-16 8-17 8-18 8-19 8-20 8-21 8-22

9 9-1

10 10-1 10-2 10-3 10-4 10-5

22 22-1 22-2 22-3

115V

250V,1A 240V,25W 110~127V

110~127V/60Hz

220V

115V,45W 250V,125V

EAL-POM BLADE PIN-SPIRAL FIXER-GUARD BLADE BLADE BLADE-DISPENSER BLADE-DISPENSER CLAMP-HELIX DIPS LEVER-DISPENSER BLADE BLADE PARTITION-COOL ASSY CASE AUGER CASE-MOTOR AUGER SCREW-SPECIAL SCREW-SPECIAL COVER-MOTOR AUGER W/HARNESS SUB-(EM) LAMP HOLDER LAMP-INCANDESCENT VALVE-SOLENOID SEAL-FOAM PE PIN-SPRING PIN-SPRING BUSH-SOLENOID SADDLE-SOLENOID SPRING ETC-SOLENOID FIXER-NUT GEAR-SOLENOID SLIDER-SOLENOID DISP COVER LAMP-FRE,DISP SUPPORT-CASE MOTOR AUGER PLATE-D/AUGER DISP MOTOR GEARD RUBBER-SOLENOIDE COVER-COOL CAP-PARTITION COOL ASSY ICE MAKER SUPPORT-GASKET GUIDE-ICE,FULL COVER SENSOR FIXER-SENSOR,ICE TRAY-ICE SUPPORT-ICE MAKER FIXER-GROMMET DOOR SCREW-TAPPING FIXER-CASE SHELF FRE-MID,ASSY SHELF FRE-LOW,ASSY ASSY-CASE BASKET,UP ASSY-CASE BASKET,LOW ASSY-HEATER DRAIN,FRE SWITCH DOOR ASSY-WIRE BASKET,FRE UPP COVER-WIRE BASKET CASE-WIRE BASKET,UPP TRIM-WIRE BASKET,B

OOPPTTIIOONN

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

■■

Parts List of Freezer

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * *

* * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * *

* * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * * *

* * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * * *

* * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * * *

* * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * * *

* *

RRSS22557788WWWW

RRSS22557788SSHHRRSS22557788BBBB

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * * * * * * * * * * * * * * *

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA64-00676B DA97-00700D DA63-01290B DA61-00778C DA64-00676A DA97-00698D DA64-00670B DA67-00766C DA97-00699D DA64-00670B DA67-00765C DA61-00827A

22-4

23 23-1 23-2 23-3

24 24-1 24-2

25 25-1 25-2

TRIM-WIRE BASKET,C ASSY-WIRE BASKET,FRE LOW COVER-WIRE BASKET CASE-WIRE BASKET,LOW TRIM-WIRE BASKET,B

ASSY SHELF WIRE-FRE,MID TRIM-SHELF WIRE SHELF-WIRE FRE ,MID ASSY SHELF WIRE-FRE LOW TRIM-SHELF WIRE SHELF WIRE FRE LOW PLATE-FRE SUB

OOPPTTIIOONN

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

■■

Parts List of Freezer

* * * * * * * * * * * *

* * * * * * * * * * *

RRSS22557788WWWW

RRSS22557788SSHHRRSS22557788BBBB

Illustrated Parts Catalog.

12-2) Refrigerator

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA96-00020G

DA47-00095B DA32-00006B DA60-00040A DA60-00041A DA61-00453A DA97-01887E DA97-01887F DA63-00812B DA61-00560A DA47-00025S DA47-00094C DA62-00133A DA62-00053A DA62-00205A DA62-00083A DA62-00072B DA62-00158A DA61-20128A DA31-00016A DA61-00417A DA67-00157B

6002-000215 DA63-01146A DA63-40119A DA31-00020E DA31-00002S DA39-00060K DA63-00713B DA63-00138B DA63-40167A

6002-000480 DA97-01293D DA32-10109Y

DA47-00025M

DA61-00527A DA62-00052A DA62-00073A DA62-00074A DA62-00133B DA62-00225A DA63-00821B DA74-00056F

6002-000215 DA63-00814B DA63-00814E DA63-00813A

1 1-1 1-2 1-3 1-4 1-5

2 2-1

2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9

2-10 2-11 2-12

2-13 2-14 2-15

2-16 2-17 2-18 2-19

2-20

3 3-1 3-2 3-3 3-4 3-5 3-6 3-7 3-8 3-9

250V,72°C

127V

BLDC AC

ASSY-EVAP REF THERMO-FUSE ASSY SENSOR ASSY SPACER-EVAP REF,L SPACER-EVAP REF,R FIXER-SENSOR

ASSY-COVER EVAP REF COVER-EVAP REF

GUIDE AIR LAMP HOLDER HEATER-WATER TANK SEAL-AL FOIL INSULATION-EVAP REF,A INSULATION EVAP-REF,B SEAL-AIR REF SEAL-COVER EVAP RE SEAL-COVER EVAP,UP SPRING ETC-FAN FAN-CIRCUIT

CASE MOTOR SCREW-TAPPING GROMMET-MOTOR MOTOR DC-BLDC,SENSOR

MOTOR DC-AC W/HARNESS MOTOR

COVER-MOTOR GROMMET-COVER CHILL

SCREW-TAPPING ASSY COVER-MULTI REF SENSOR ASSY LAMP HOLDER PLATE-AIR MULTI,REF INSULATION-MULTI,REF SEAL-MULTI REF RE SEAL-COVER MULTI UP SEAL-AL FOIL SEAL-COVER MULTI UP,B COVER-MULTI REF TANK WATER-ASSY SCREW-TAPPING

COVER-LAMP REF,LOW COVER-LAMP REF,UP

OOPPTTIIOONN

■■

Parts List of Refrigerator

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

* * * * * *

* * *

* * * * * * * * *

* *

* * * * * * * * * * * * *

* *

* * * * * *

* * * * * * * * * * * * * *

* *

* * * * * * * * * * * * * *

* *

* * * * * * *

* * * * * * * * * * * * *

* *

* * * * * * * * * * * * * * *

* * * * * * *

* * * * * * * * * * * * *

* *

* * * * * * * * * * * * * * *

* * * * * * *

* * * * * * * * * * * * *

* *

* * * * * * * * * * * * * * *

* * * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788BBBB

* * * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788SSHH

* * * * * * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788WWWW

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA67-30266K DA97-01485B

DA63-00856C

DA02-90106K

DA97-01484B

DA63-00855D DA02-90106K DA97-00159C DA61-00295B DA63-00202B DA97-00173C DA61-00294B DA63-00202B DA34-10110B DA67-00533E DA67-00533F DA97-01396F DA67-00687B DA67-00534K DA97-00174L DA97-00320U DA97-00144P DA97-00148P

4713-001197 DA63-00864C DA63-00865C DA67-40250E DA97-00370D DA63-00800F DA41-00108A

6002-000426 DA39-00215A DA32-10109X

6002-000213 DA97-00371K DA63-00820B

9 9-1 9-2

10 10-1 10-2

11 11-1 11-2

12 12-1 12-2

24 24-1 24-2 24-3 24-4 24-5 24-6

25 25-1

30W

CAP-SCREW COVER-PURIFIER R,ASSY COVER-PURIFIER,R CATALYST-LTC COVER-PURIFIER L,ASSY COVER-PURIFIER,L CATALYST-LTC ASSY-RAIL CHILL,R RAIL-CHILLED,R GROMMET-RAIL ASSY-RAIL CHILL,L RAIL-CHILLED,L GROMMET-RAIL SWITCH-DOOR

SHELF REF,UP SHELF REF-FOLD,ASSY SHELF REF,LOW ASSY-TRAY,CHILL

ASSY-CASE CONVERTIBLE ASSY-CASE VEG,UP ASSY-CASE VEG,LOW LAMP-INCANDESCENT COVER-VEG UP COVER-VEG LOW TRAY-UTILITY ASSY-CASE CONV,SUB COVER-CONTROL CONVERTIBLE PBA-MAIN SCREW-TAPPING WIRE-HARNESS SENSOR ASSY SCREW-TAPPING ASSY-TRAY CONVERTRIBLE GASKET-CONVERTIBLE

OOPPTTIIOONN

■■

Parts List of Refrigerator

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

* * * * * * * * * * * * * * *

* *

* * * * * *

* * * * * * * * * * * * * * *

* *

* * * * * *

* * * * * * *

* * * * * * * * * * * * * * * *

* * * * * * *

* * * * * * * * * * * * * * * *

* * * * * * *

* * * * * * * * * * * * * * * *

* * * * * * *

* *

* * * * * * * * * * * * * * * *

RRSS22557788BBBB

* * * * * * *

* *

* * * * * * * * * * * * * * * *

RRSS22557788SSHH

* * * * * * *

* *

* * * * * * * * * * * * * * * *

RRSS22557788WWWW

Illustrated Parts Catalog.

12-3) Cabinet

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA63-00980M DA63-00980P DA63-00980E DA63-01289N DA97-01869B DA61-01603B DA63-00979M DA63-00979P DA63-00979E

DA63-01288L DA97-01870B DA61-01604B DA63-50192C

6009-001255 DA60-10122C DA61-00056A DA61-30102A DA67-01006A DA61-00459A DA97-01760A

6003-001435

6011-001442

6021-001125 DA61-01607A DA63-50207C DA66-00268A DA97-01763A

6003-001435

6011-001442

6021-001125 DA61-01608A DA63-50207C DA66-00268A DA97-00367D

6002-000480

6009-001252

6501-000122 DA31-00020H DA96-00042A DA61-00415A DA63-00713A DA63-01146A

3-1

5-1

6 7 8

9 10 11 12 13

13-1 13-2 13-3 13-4 13-5 13-6

14-1 14-2 14-3 14-4 14-5 14-6

15-1 15-2 15-3 15-4 15-5 15-6 15-7 15-8

SNA SMOOTH-WHITE BISQUE BLACK STAINLESS PLATINUN

SMOOTH-WHITE BISQUE BLACK STAINLESS PLATINUN

12V

ASSY-CABI FOAM

COVER HINGE UPP L

ASSY-HINGE UPP,L HINGE-UPP,L

COVER HINGE UPP R

ASSY-HINGE UPP,R HINGE-UPP,R SHIM-HINGE UPP SCREW-HEX SCREW-TAP TITE CASTER-FRONT ASSY FOOT-FRONT DUCT-CABI LOW BRACKET-HINGE LOW ASSY-HINGE LOW,L SCREW TAP TITE BOLT-SOCKET NUT-HEXAGON HINGE-LOW,L SHIM HINGE-LOW CAM HINGE-RISER,UPP ASSY-HINGE LOW,R SCREW TAP TITE BOLT-SOCKET NUT-HEXAGON HINGE-LOW,L SHIM HINGE-LOW CAM HINGE-RISER,UPP ASSY-TRAY DRAIN,WATER SCREW-TAPPING SCREW-SPECIAL CABLE-TIE MOTOR-BLDC WIRE-HARNESS MOTOR SUPT-CIRCUIT MOTOR COVER-MOTOR GROMMET-MOTOR

OOPPTTIIOONN

■■

Parts List of Cabinet

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

* * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

* *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788BBBB

* * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788SSHH

* * *

* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *

RRSS22557788WWWW

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

OOPPTTIIOONN

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

■■

Parts List of Freezer

RRSS22557788WWWW

RRSS22557788SSHHRRSS22557788BBBB

DA63-40167A DA66-40167A

DA72-00176A DA63-40171B DA97-00259A DA31-00010D DA31-00105C DA61-20128A DA63-10352A DA34-10003D DA35-10013Q DA39-00084D DA39-10165E

MK183CL2U/E07

DA63-01489A DA60-20008A DA60-10107A DA60-10004A DA61-00261B DA71-00155B DA41-00104M

DA41-00134F

2501-001045 DA27-00002D DA63-00783B DA62-20001P DA97-00555A DA62-00131B DA73-30102B DA63-01135A

DA63-00822L DA63-00822S DA63-00822R

6002-000213

DA63-01291A DA63-01275A DA63-01275B DA97-00708A DA60-30104A DA60-30105A DA62-00224A DA71-20208A DA71-20207A DA74-40150H DA74-40149D DA32-10110B

6502-000112

15-9 15-10 15-11 15-12

5-13

16 16-1 16-2

48 48-1 48-2

115V

12uF,250V

SMOOTH-WHITE BISQUE BLACK

115~127V

GROMMET-COVER CHILL TRAY-DRAIN WATER SEAL-COND GROMMET-SUCT PIPE ASSY-PIPE SPRIAL COND FAN-ASSY FAN-TURBO SPRING ETC-FAN COVER-RELAY RELAY PROTECTOR O/L RELAY-PTC WIRE-HARNESS RELAY CBF-ASSY COMPRESSOR GROMMET-COMP BOLT-HEX SCREW-EARTH SCREW-TAP TITE CASE-PCB PANEL FIXER-MAIN PCB

PBA-MAIN C-OIL

COIL-NOISE FILTER COVER-PCB PANEL TUBE-PVC CHASSIS-COMP ASSY-PIPE SUCTION DRYER-ASSY COVER-COMP

COVER-LEG FRONT

SCREW-TAPPING

GROMMET-PIPE WATER,FILL IN COVER-TUBE WATER

ASSY-PIPE WATER NUT-WATER LINE NUT-WATER LINE VALVE-CHECK FIXER-VALVE WATER FIXER-VALVE WATER VALVE SENSOR ASSY VALVE WATER ASSY SENSOR-FLOW CABLE-CLAMP

* * * * * * * * * * * * * * * * * * * *

* * * * * * * * * *

* *

* * * * * * * * * *

* * * * * * * * * * * * * * * * * * * *

* * * * * * * * *

* *

* * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * *

* * * * * * * * *

* * * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * *

* * * * * * * *

* *

* * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * *

* * * * * * * *

* * * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * *

* * * * * * * *

* * * * * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * *

* * * * * * * *

* * * * * * * * * * * * *

* * * * * * * * * * * * * * * * * * * * *

* * * * * * * * *

* * * * * * * * * * * * *

Illustrated Parts Catalog.

12-4) Disassembly of Freeze Door

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA91-01605F

DA91-01605G

DA91-01605J DA91-01605H DA97-00704E DA97-00704N DA97-00704P DA97-00704Q DA64-00413F

DA64-00413J DA64-00413K

DA64-00413L DA64-00415D DA64-00416D DA64-00414B DA64-00414C DA64-00414G DA64-00414H

6002-000613

6002-000213 DA64-00418B DA64-00418G DA64-00418H

DA64-00418J DA64-00417B DA64-00417G DA64-00417H

DA64-00417J DA67-00513A DA97-01800C

DA97-01800J DA61-00430A DA66-90112C

6001-000716 DA61-01587A DA97-00409A DA34-00011A DA63-00816A DA63-00863A DA61-00320A DA61-00565A DA62-00058A

2-1

2-2 2-3

8 9

10 11 12 13

14 14-1 14-2

15 15-1 15-2 15-3

250V,15A

ASSY DOOR FOAM FRE

HANDLE-MID FRONT,ASSY

HANDLE-MID FRONT

HANDLE-TRIM CONNECT LOW HANDLE-TRIM CONNECT UPP

HANDLE-MID REAR

SCREW-TAPPING

HANDLE-TRIM UPP

HANDLE-TRIM LOW

CAP-CHUTE ICE GASKET DOOR-FRE ASSY STOPPER DOOR

CAM HINGE-RISER,LOW SCREW-MACHINE GUIDE-LEVER DISP COVER-PCB PANEL REAR ASSY SWITCH-MICRO COVER-PCB PANEL REAR COVER-ICE ROUTE ASSY STOPPER-LEVER DISP SPRING ETC-COVER ICE,ROUTE SEAL FOAM-LEX

OOPPTTIIOONN

■■

Parts List of Freezer Door

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

* * *

* *

* * * * * * * * * * *

* *

* * * * * * * * * * *

* * *

* *

* * * * * * * * * * *

* * * * * * * * * * * *

* * *

* * * * * * * * * * *

* * * * * * * * * * * *

RRSS22557788BBBB

* * *

* * * * *

RRSS22557788SSHH

* * *

* *

* * * * * * * * * * *

RRSS22557788WWWW

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA62-00058B

DA63-00844A DA63-00845A DA63-00846A DA63-01047A DA63-00843E DA63-00843K DA63-00843M DA61-00316A DA61-00319A DA97-00545C

DA97-00545J DA97-00545K DA61-00337A DA66-00196C DA66-00196H

DA66-00196J

DA66-00156B

DA97-00546C

DA97-00546J DA97-00546K DA61-00338A DA66-00197C DA66-00197H

DA66-00197J

DA74-40154F DA97-01533P DA97-01533Q

DA97-01533W

DA97-01533T DA97-01533N

6002-000466 DA02-10013B DA41-00204C DA41-00204B DA63-00815B DA63-00815G DA63-00815H

DA63-00815J DA63-00994A DA63-01169Q DA63-01169R DA63-01284C

DA63-01169T

15-4 15-5 15-6 15-7

18 19

20-1

20-2

20-3

21-1

21-2

23-1 23-2

23-3

23-4

23-5

23-6

SEAL FOAM-LEX COVER-ICE ROUTE,A GASKET-COVER ICE ROUTE COVER-ICE ROUTE,B COVER-MICRO S/WTRAY-DISPENSER

TRAY-DISPENSER

SUPPORT-TIME DELAY BRACKET-TUBE PIPE

ASSY LEVER DISP-ICE

SPRING ETC-ICE LEVER DISP

LEVER-DISP ICE

LEVER-DISP SUB

LEVER-DISP WATER ASSY

SPRING ETC-WATER LEVER DISP

LEVER-DISP WATER

VALVE SOLENOID

ASSY COVER-DISP

SCREW-TAPPING TAPE ETC-AL

PBA PANEL

COVER DISPENSER

COVER-LAMP DISPENSER

COVER-CONTROL DISP

OOPPTTIIOONN

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Parts List of Freezer Door

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

* * * * * *

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* *

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* *

* * * * *

* * *

* *

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* * * * *

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* * * * *

* *

* * *

* *

* * * * * *

* * *

* *

RRSS22557788WWWW

* * * * *

* *

RRSS22557788BBBB

* * * * *

* *

* * *

* *

RRSS22557788SSHH

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA64-00426B DA72-00427B DA63-00895E DA97-01825A DA63-00827E DA97-01823A 6002-000227 DA61-00309A

23-7 23-8

25 26

KNOB-TOUCH SEAL-CUTT FOAM-LEX GUARD-FRE UPP ASSY GUARD-FRE UPP GUARD-FRE,LOW ASSY GUARD-FRE TILT SCREW-TAPPING REINF-HANDLE MID

OOPPTTIIOONN

■■

Parts List of Freezer Door

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

* * *

* *

* * *

* *

* * *

* *

* * *

* *

* * *

* *

* * *

RRSS22557788WWWW

* *

RRSS22557788BBBB

* *

RRSS22557788SSHH

Illustrated Parts Catalog.

12-5) Disassembly of Refrigerator Door

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA91-01606K

DA91-01606L DA91-01606M DA91-01606N DA97-00704E DA97-00704N DA97-00704P DA97-00704Q DA64-00413B DA64-00413F

DA64-00413J DA64-00413K

DA64-00413L DA64-00415D DA64-00416D DA64-00414B DA64-00414G DA64-00414H

DA64-00414J

6002-000613

6002-000613 DA64-00418B DA64-00418G DA64-00418H

DA64-00418J DA64-00417B DA64-00417G DA64-00417H

DA64-00417J DA63-00828D DA97-00824A DA64-01588A DA71-00090A DA63-00851B DA63-00851H

DA63-00851J DA61-00430A DA66-90112C

6001-000716 DA63-00850B DA63-00850C DA97-01800D DA97-01800K DA63-00219B DA63-01100C DA34-10121A DA97-00547B

DA97-00547J

2-1

2-2 2-3

4 5

8 9

11 12 13

15 16

17 18

ASSY DOOR FOAM REF

ASSY HANDLE FRONT

HANDLE-MID FRONT

HANDLE-TRIM CONNECT,LOW HANDLE-TRIM CONNECT,UPP

HANDLE-MID REAR

SCREW-TAPPING

HANDLE-TRIM UPP

HANDLE-TRIM LOW

GUARD-REF,LOW ASSY GUIDE-BOTTLE REF

COVER-BRACKET FRAME

STOPPER DOOR CAM HINGE-RISER,LOW SCREW-MACHINE

GASKET-HOME BAR OUT

GASKET DOOR-REF ASSY COVER SWITCH-HOME BAR

GASKET HOME BAR-S/W SWITCH-DOOR

HOME BAR- ASSY

OOPPTTIIOONN

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

■■

Parts List of Refrigerator Door

* *

* * *

* *

* * *

* *

* * *

* *

* * *

* *

* * *

* *

* * *

* *

* * * *

RRSS22557788WWWW

* *

* * *

* * * *

RRSS22557788BBBB

* * *

* *

* * * *

RRSS22557788SSHH

Illustrated Parts Catalog.

NNOO CCOODDEE--NNOO PPAARRTT NNAAMMEE SSppeecc

DA97-00547K

DA97-00697D

DA97-00697E

DA63-00825A

DA63-00825B

DA63-00836D

DA97-00801E DA61-00306B DA61-00308B DA63-00826B DA63-00991A

6002-000227

DA61-00309A

19 20

20-1 20-2

21 21-1 21-2 21-3 21-4

CLEAR FROSTED TEXTURE

HOME BAR- ASSY GUARD-DAIRY ASSY

COVER-GUARD GUARD-DAIRY

CASE-DOOR RECESS,ASSY CASE-DOOR RECESS,IN CASE-DOOR RECESS,OUT COVER DOOR-RECESS GROMMET-DOOR RECESS SCREW-TAPPING REINF-HANDLE MID

OOPPTTIIOONN

RRSS22553344WWWW RRSS22553344VVQQ RRSS22555566WWWW

RRSS22555566BBBB

RRSS22555566SSHH

■■

Parts List of Refrigerator Door

* *

* * * * * * * * *

RRSS22557788WWWW

* * * * * * * * *

RRSS22557788BBBB

* * * * * * * * *

RRSS22557788SSHH

13. Safety Instructions on Service

●Unplug the refrigerator before making any repair or any replacement. 󳦧 Avoid the electric shock.

●Use the rated components on the replacement. 󳦧 Check the correct model number, rated voltage, rated current, operating temperature and so

on.

●On repair, be sure that the wires such as harness are bundled tightly and are not exposed by

water.

󳦧 Bundle wires tightly in order not to be detached by the external force.

●On repair, remove completely dust, particles or other things on housing parts, harness parts,

and connectors.

󳦧 Cleaning may prevent fire by tracking or short.

●Check if there is any trace indicating the infitration of water on electrical parts. 󳦧 If there is kind of trace, change the related components or do the necessary action

such as taping using the insulating tape.

●After repair, check the assembled state of parts. 󳦧 It must be in the same assembled state when compared with the state before

disassembly.

●Check the surrounding conditions of the installed refrigerator. 󳦧 When the refrigerator is located at humid or wet place, or the installed state is

unstable, change the location.

●If needed, do the ground. 󳦧 Especially, if there is a possibility of the electric leakage, this appliance must be

properly grounded.

●Do not allow consumers to use one outlet for several plugs.

●Check whether the power cord is placed under other appliance and so, damaged, worm-out

squeezed.

󳦧Repair immediately the defective power plug or outlet. 󳦧Make sure that the power cord is not placed under other appliance or squeezed.

●Do not allow consumers to keep bottles or the likes in the Freezer or to keep foods in unstable

position.

●Do not allow consumers to repair the appliance by themselves.

●Do not allow consumers to keep other chemicals except food. 󳦧Medicines and other materials for research ; This appliance will not maintain the precisely

constant temperature for them.

󳦧Volatile material(Alcohol, Benzene, Ether, LP gas etc.) : possibility of explosion

Appendix ⅠⅠ(Reference for circuit diagnostics)

Ref.1) Wire connector on the cabinet door .

Ref. 2) How to check relay failure

Div. of contact

Voltage at both terminal of coil and trigger

Both terminals of contact

Resistance value

3-contact

terminal

Relay

0Ω (Short) -> Normal

∞Ω (Open) -> Normal ∞Ω (Open) -> Normal

0Ω (Short) -> Normal 0Ω (Short) -> Normal

∞Ω (Open) -> Normal

About 4-5㏀(Short) -> Norma

∞Ω

(Open) -> Normal

Between C and NO Between C and NC Between C and NO

Between C and NC Between both terminals of contact Between both terminals of contact Between both terminals of contact Between both terminals of contact

DC 12V (Working Condition)

DC 0V (Stop Condition)

∼ DC 12V (load working condition) ∼DC 0V (load stop condition) ∼DC 12V (load working condition) ∼DC 0V (load stop condition)

2-contact

terminal

Relay

SSR

Disconnect the connector of the main PCB CN70 and CN71, then check the follows :

1. Measure the voltage at both terminals of a coil and determine if the relay is working.

2. Measure the voltage at both terminals of a trigger and determine if SSR is working.

3. Measure the resistance at both terminals of a load contact, and determine if there is an error in voltages of coil and trigger.

Note) NC -> Normally Close (C terminal and ON terminal) NO -> Normally Open (C terminal and Open terminal) C -> Common Terminal

Appendix ⅠⅠ(Reference for circuit diagnostics)

Ref. 3) Check a load

Load

Measuremenr Termina l

Value

Contents

Cover Over Solenoid

Ice Solenoid Valve Auger Motor

Cube Solenoid Valve

1) Beverage Station

heater

2) Dispenser heater

3) Water tank heater

Ref. Def heater

Freezer Def heater

between CN70 13

and CN70 7

between CN70

9 and CN70 7

between CN70 11 and CN70 1

between CN71 7 and CN70 11

between CN71 5 and CN70 11

between CN71 3 and CN70 11

between CN71 1 and CN70 11

0Ω

∞Ω

0Ω

∞Ω

0Ω

∞Ω

0Ω

∞Ω

0Ω

∞Ω

0Ω

∞Ω

0Ω

∞Ω

Temperature fuse, heater, wires short trouble Temperature fuse, heater, wires disconnection trouble Temperature fuse, heater, wires short trouble Temperature fuse, heater, wires disconnection trouble Heater, wires short trouble

Heater, wires, and connector disconnection Coil, wires short trouble

Coil, wires disconnection trouble Coil, wires short trouble Coil, wires disconnection trouble Coil, wires short trouble

Coil, wires disconnection trouble Coil, wires short trouble

Coil, wires disconnection trouble

F-DEFROST HEATER

Unplug the powercord and disconnect the main PCB CN70 and CN71, the measure the follows :

1. As shown in table below, measure the resistance between terminals, check load trouble and wire connection error.

2. The diagram of circuit was drawn based on the maximum load. When a repair is needed, see the electric wiring diagram on the back of refrigerator to troubleshoot the corresponding model.

3. For safety, you must turn the power off.

Check the condition in power on. Door S/W have 2 contact points. One contact point perceives the door open/close by DC 5V on the PCB. Another contact point turns on/off the Lamp.

(Lamp on the REF)

1. If the Lamp turns on correctly when the door is open, it is normal. Press the door s/w and check it the lamp turns off. If it doesn’t work properly, check the door s/w on the refrigerator.

(Door open on the REF and the sensor part of the Main PCB)

1. Check the voltage between no. 5 “+” terminal and no.6 “-” terminal of CN30.

2. If 5V is checked when the door is open, it is normal.

3. If 0V is checked when the door is closed, it is normal. If it is not, check the door s/w and electric wire connection.

(Lamp on the FRE)

1. If the Lamp turns on correctly when the door is open, it is normal. Press the door s/w and check it the lamp turns off. If it doesn’t work properly, check the door s/w on the FRE.

(Door open on the FRE and the sensor part of the Main PCB)

1. Check the voltage between no. 1 “+” terminal and no.2 “-” terminal of CN30.

2. If 5V is checked when the door is open, it is normal.

3. If 0V is checked when the door is closed, it is normal. If it is not, check the door s/w and electric wire connection.

Disconnect the connector from the Main PCB, than measure the resistance of the following sensors.

1. Check the resistance the Freezer sensor cn30 between the no. 2 and 3.

2. Check the resistance the Fridge Room sensor cn30 between the no. 6 and 7.

3. Check the resistance the F Defrosting sensor cn30 between the no. 2 and 4.

4. Check the resistance the R Defrosting sensor cn30 between the no. 6 and 8.

5. Check the resistance between the no. 1 and 4 the ambient Air sensor cn31.

6. Check the resistance between the no. 3 and 4 of the Ice-Maker sensor cn90.

7. Check the resistance between the no. 13 and 14 of the CoolSelect Zone

sensor cn51.

8. Decide the sensor by comparing the above resistances to the temperature of each sensor with the conversion table of sensor resistance and voltage from the reference temperature of Ref. 6 on this manual.

※When the resistance is ∞Ωor 0Ω,check the connection of electric wire and

sensorconnector.

Appendix ⅠⅠ(Reference for circuit diagnostics)

Ref. 4) Check sensors

Ref. 5) Check Door S/W

Appendix ⅠⅠ(Reference for circuit diagnostics)

Ref. 6) Table of temperature sensor according to resistance and voltage conversion.

Temp.(℉)

-43.6

-41.8

-40.0

-38.2

-36.4

-34.6

-32.8

-31

-29.2

-27.4

-25.6

-23.8

-22.0

-20.2

-18.4

16.6

-14.8

-13.0

-11.2

-9.4

-7.6

-5.8

-4.0

-2.2

-0.4

1.4

3.2

5.0

6.8

8.6

10.4

Resistance(㏀)

98.870

93.700

88.850

84.150

79.800

75.670

71.800

68.150

64.710

61.480

58.430

55.550

52.840

50.230

47.770

45.450

43.260

41.190

39.240

37.390

35.650

33.990

32.430

30.920

29.500

28.140

26.870

25.650

24.510

23.420

22.390

Voltage(V)

4.541

4.518

4.494

4.469

4.443

4.416

4.389

4.360

4.331

4.301

4.269

4.237

4.204

4.170

4.134

4.098

4.061

4.023

3.985

3.945

3.905

3.863

3.822

3.778

3.734

3.689

3.644

3.597

3.551

3.504

3.456

The input voltage to the MICOM PORT could be different by a hardware. This is a table based on the voltage using the 10kohm-F. MICOM PORT voltage when the sensor is open: about DC 5V(Vcc LEVEL) MICOM PORT voltage when the sensor is shorted: about DC 0V(Ground LEVEL)

Temp.(℉)

12.2

14.0

15.8

17.6

19.4

21.2

23.0

24.8

26.6

28.4

30.2

32.0

33.8

35.6

37.4

39.2

41.0

42.8

44.6

46.4

48.2

50.0

51.8

53.6

55.4

57.2

59.0

60.8

62.6

64.4

66.2

Resistance(㏀)

21.410

20.480

19.580

18.730

17.920

17.160

16.430

15.740

15.080

14.450

13.860

13.290

12.740

12.220

11.720

11.250

10.800

10.370

9.959

9.569

9.195

8.839

8.494

8.166

7.852

7.552

7.266

6.992

6.731

6.481

6.242

Voltage(V)

3.408

3.360

3.310

3.260

3.209

3.159

3.108

3.057

3.006

2.955

2.904

2.853

2.801

2.750

2.698

2.647

2.596

2.545

2.495

2.445

2.395

2.346

2.296

2.248

2.199

2.151

2.104

2.057

2.012

1.966

1.922

Temp.(℉)

68.0

69.8

71.6

73.4

75.2

77.0

78.8

80.6

82.4

84.2

86.0

87.8

89.6

91.4

93.2

95.0

96.8

98.6

100.4

102.2

104.0

105.8

107.6

109.4

111.2

113.0

114.8

116.6

118.4

120.2

Resistance(㏀)

6.013

5.792

5.581

5.379

5.185

5.000

4.821

4.650

4.487

4.329

4.179

4.033

3.894

3.760

3.631

3.508

3.390

3.276

3.167

3.062

2.962

2.864

2.770

2.680

2.593

2.510

2.429

2.352

2.278

2.206

Voltage(V)

1.878

1.834

1.791

1.749

1.707

1.667

1.626

1.587

1.549

1.511

1.474

1.437

1.401

1.366

1.332

1.298

1.266

1.234

1.203

1.172

1.143

1.113

1.085

1.057

1.030

1.003

0.977

0.952

0.928

0.904

1 2 3 4 5 6 7 8

9 10 11 12 13

DA41-00104M

DA41-00134F DA41-00105C DA41-00105D DA32-00006B DA32-10109V

DA32-10109W

DA32-00006A DA32-10105U DA32-10109X DA41-00108A

3301-000016

DA27-00002A

Dispenser with CoolSelect Zone

Dispenser

Dispenser with CoolSelect Zone

Dispenser 502AT, PX-41C 502AT, PX-41C 502AT, PX-41C 502AT, PX-41C 502AT, PX-41C 502AT, PX-41C

CoolSelect Zone

MAIN+PANEL

Commonly used in ET-PJT

Main PCB ASS’Y

Main PCB ASS’Y PANEL PCB ASS’Y PANEL PCB ASS’Y

R-DEFROST Sensor

Ambient Temp. Sensor

F-Temp.Sensor

F-DEFROST Sensor

R-Temp.Sensor

CoolSelect Zone

Sensor

CoolSelect ZoneTMPCB ASS’Y

FERRITE CORE (LOCK TYPE)

NOISE FILTER

NO CODE-NO PART NAME SPECIFCATION

Q’TY

※ The last no. of the code number such as DA41-xxxxx? for the Main PCB-ASS’Y could be changed by

MICOM and option.

Appendix ⅠⅠ(Reference for circuit diagnostics)

Ref. 7) Service material lists of each circuit board.

1 1 1 1 1 1 1 1 1 1 1 1 1

272, Oseon-Dong, Gwangsan-Gu, Gwangju-City, Korea, 506-253 TEL : 82-62-950-6193, 6896 FAX : 82-62-950-6829

ELECTRONICS

Refrigerator Division 2004. 02 Printed in Korea

This Service Manual is a property of Samsung Electronics Co., Ltd.

Any unauthorized use of Manual can be punished under applicable International or domestic law.

Samsung RS2534WW, RS2556SH, RS2556BB, RS2578WW, RS2578BB Service Manual

Specifications and Main Features

Frequently Asked Questions

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