Samsung SR-67KTC Manual

Samsung Køleskab SR-67KTC

Læs nedenfor 📖 manual på dansk for Samsung SR-67KTC (80 sider) i kategorien Køleskab. Denne guide var nyttig for 38 personer og blev bedømt med 4.5 stjerner i gennemsnit af 2 brugere

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REFRIGERATOR CONTENTS

1. Product Specifications 1

2. Safety Warning & Caution 2

3. Electrical part specifications & standard 4

4. Electric diagram 6

5. Air Circulation route 7

6. Function & Vsing method 8

7. Temperature control & other Functions 11

8. Circuit Operating theory 21

9. Failure diagnosis & repairment 36

10. Dissembie & Assemble drowing and part LIST 53

11. Disassemble & Assemble Method 88

12. Packing 84

13. Main componets specification 86

Model: SR-61KTC/SR-61NMC

SR-65KTC/SR-65NMC

SR-69NMC

ITEM.

MODEL NAME

NET DIMENSION

NET WEIGHT

ELECTRIC HEATING EQUIPMENT

POWER

1. Product specifications.

●Classification by Capacity

NET

CAPACITY

TOTAL

FREEZER

REFRIGERATOR

S T A N D A R D

510 MODEL 550 MODEL 590 MODEL

SR69-NMC

SR-61KTC SR-61MNC SR-65KTC SR-65NMC

514LT

153LT

361LT

554LT

165LT

389LT

589LT

165LT

424LT

840*761.5*1755.5 840*761.5*1760.5 840*761.5*1810.5 840*761.5*1854.5

96 KG 97 KG 98 KG

388W 378W 388W 378W

●Classification by Electric power

ITEM.

MODEL NAME

REGULAR FREQUENCY

REGULAR VOLTAGE

ELECTRIC MOTOR REGULAR POWER

SORT OF REFRIGERATOR

COOLING MASS

COOLING MASS SEALED QUANTITY

FREEZER PERFORMANCE

S T A N D A R D

SR-61KTC, 65KTC SR-61NMC, 65NMC, 69NMC

AC127V / 60Hz

60Hz

AC 127V

AC127V / 60Hz

60Hz

AC 127V

OCCASSIONAL COOLING TYPE REFRIGERATOR

HFC-134α

150 G

4 STAR

AC220V / 50~60HZ

50~60Hz

AC 220V

AC240V / 50HZ

50Hz

AC 240V

AC220V / 50~60HZ

50~60Hz

AC 220V

AC240V / 50HZ

50Hz

AC 240V

2.Safety precautions and warnings

xRead all instructions before using this product and keep to the instructions

in order to prevent danger or property damage.

25cm

Warning

Caution

Description of symbolsWarning/Caution

Indicates that a

danger of death

or serious injury

exists.

Indicates that a risk

of personal injury

or material damage

exists.

IN DICATES PROHIBITION

DO NOT DISASSEMBLE

DO NOT CONTANT

ADHERE THE INSTRUCTION STRICTLY

ONPLUP FROM THE ELECTRICAL

AVOLD

EARTH THE APPLIANCE TO AVOID THE

RISK OF AN ELECTRIC SHOCC

Do not insert the power cables.

●

May cause abnormal

generation of heat or fire.

Do not disassemble to

repair or alter.

●

It may cause fire or abnormal

operation which leads to injury.

Do not bend the power cable with

excessive force or do not have the

power cord pressed by heavy article.

●

May cause fire.

Check the operating environment.

●

Deterioration of electric parts insulation

may cause electric shock or fire.

Make sure of the earth.

●

If power doesn’t ground, it will

cause breakdown and electric shock.

Pull the power plug out to exchange

the interior lampof the refrigerator.

●

It may cause electric shock.

Prohibition Do not

disassemble

Earth Unplug

Caution

Do not put bottles or kinds of

glass in the freezer.

●

Freezing of the contents may inflict a

wound.

Do not store narrow and lengthy

bottles or foods in a small multi-

purpose room.

●

It may hurt you when refrigerator door

open and close.

Do not store pharmaceutical

products, scientific materials,

etc., in the refrigerator.

●

The products which temperature control

should not be stored in the refrigerator.

Do not store articles on the

Refrigeration.

●

Opening or closing the door may

cause things to fall down, wihch

may inflict a wound.

When replacing electric

comporents, be sure to use rates

comporents.

●

Check the model, rated voltage, rated

current, operating temperature etc. of

the component.

On repair, make sure that the wires

such as harness are tightly

bundled.

●

Tghtly bundle wires in order not

to be detached by the external

force and to be wetted.

On repair, remove completely dust or

other things of housing parts,

harness parts, and check parts.

●

Cleaning may prevent the possible fire by

tracking or short.

After repair, check the assembled

state of components.

●

It must be in the same assembled state

when compared with the state before

disassembly.

Check the electrical parts for the

trace of moisture.

●

When the trace of moisture penetration is

detected, replace the patt or try insulation

tapping.

Prohibition

Prohibition Prohibition

Reted

components

RSCR

Freol α-15(ESTER)

SPLIT FIN TYPE

FORCED AND NATUAL CONUECTION TYPE

MOLECULAR SIEVE XH-9

0.82X2500 4.26Kg/cm

HFC-134a

3. ELECTRIC PARTS STANDARD

ITEM

STANDARD

DEFROST TEMPERATURE

REFRIGERATION PARTS

COMPRESSOR

COOLER

MODEL

STARTING TYPE

OIL CHARGE

FREEZER

REFRIIGERATOR

4hours 10minute±

10minute±2minute

CONDENSER

DRYER

CAPILLARY TUBE

REFRIGERANT

FREEZER

REFRIGERATOR

HIGH

MID

LOW

HIGH

MID

LOW

FIRST CYCLE

PAUSE TIME

ON(℃)

-21℃

-18℃

-15℃

-0.5℃

3.5℃

6.5℃

OFF(℃)

-23℃

-20℃

-17℃

-1.5℃

2.5℃

5.5℃

ON(℃)

-22℃

-18℃

-15℃

-0.5℃

2.5℃

5.5℃

OFF(℃)

-24℃

-20℃

-17℃

-1.5℃

1.5℃

4.5℃

REFRIGERATOR

FREEZER

CYCLE

SR- 6 1/ 6 5 / 6 9 NM C / S R - 6 1 /6 5 KT C

DK172C-L2U

110~115V/60Hz 127V/60Hz 220V/50~60Hz 230~240V/50Hz

DK172P-L2U SK190H-L2U DK190Q-L2U

SPLIT FIN TYPE & TUBE TYPE SPLIT FIN TYPE

10hours

20hours

ITEM

SENSOR

F-SENSOR

R-SENSOR

F-DEF SENSOR

R-DEF SENSOR

DRAIN HEATER

F DEF HEATER

R DEF HEATER

DID HEATER

F DEF FUSE

R DEF FUSE

CONDENSER

STARTING RELAY

O/L-PROTELTOR

SR-61/65/69NMC

SR-61 / 65KTC

F-LAMP

R-LAMP

DID DOOR-S/W SR-61 / 65KTC

DOOR-S/W

Power cord

SR-61/65/69NMC

DC TRANS

F-COOLER FAN MOTOR

R-COOLER FAN MOTOR

CYCLE FAN MOTOR

502 AT

〃

HEATER

250V 0.7A

250V/0.7A

12V, DC - BLDC , SENSORLESS

110 / 130V 15W

130V 30W

240V 15W

240V 25W

SR- 6 1/ 6 5 / 6 9 N M C / S R - 6 1 / 6 5 KT C

110~115V/60Hz 127V/60Hz 220V/50~60Hz 230~240V/50Hz

12㎌/ 250VAC

J531QE100M2002

10Ω±20%(

SURROUNDING TEM

25℃)

250V 10A 72

±℃4

250V 10A 72

±℃4

5㎌/ 350VAC

13W / 110V

235W / 220V

120W / 110V

10W / 110V

13W / 127V

235W / 127V

120W / 127V

10W / 127V

13W / 220V

235W / 220V

120W / 220V

10W / 220V

13W / 240V

235W / 240V

120W / 240V

10W / 240V

℃

130

℃

115V 50/60Hz

110V 60Hz

℃

125

℃

127V 50/60Hz

127V 60Hz

℃

130

℃

220V 50/60Hz

J531Q34E100M350-2

220Ω±20%

(

SURROUNDING TEM

25℃)

4TM314RHBYY-53

℃

130

℃

240V 50/60Hz

240V 50Hz

110V 60Hz 127V 60Hz 220V 50~60Hz 230~240v 50Hz

J531Q35E330M385-2

330Ω±20%

(

SURROUNDING TEM

25℃)

4TM265RHBYY-53

4TM437RHBYY-53

EP-2,127V/7A SPT-3,125V/7A VCP-2,250V/10A BF-3,250V/10A

OPERATION

MODEL

START

MADEL

ON TEM

OFF TEM

ELECTRIC PARTS

－－7

4. Electric diagram

ORG

YEL

BLU

VLT

BLK

BRN

BRN BRN

GRY

RED

PIK

PIK,BLU

RED

F DEFROST-NEATER

R DEFROST-NEATER RED R ERM FUSE

F ERM FUSE

COMP RELAY

COMPRTSSOR COOLER MOTOR

OPERATING CONDENSER

WHT

WHT,BLK

SIBLU

SIBLU SIBLU

SIBLU

EARTHED

CIRCUIT

FREEZER FAN MOTOR DOOR SWITCH

FREEZER FAN MOTOR

REFRIGERATOR LAMP

FREEZER LAMP

4-2) SEMI BASIC (SR-61NMC, 65NMC, 69NMC)

4-1. Electronic mode(SR-61KTC,65KTCT)

BLU

VLT

VLTVLT

BLK

BLK BLK

EARTHED

CIRCUIT

EARTHED

CIRCUIT

BLKBLK

BLK

W / B

BRN

BRN BRN

BRN

RED

GRN

EMI

FILTER

WHT

GRN

RED

REDRED

RED

F-DEFROST-HEATER

R-DEFROST-HEATER

REFRIGERATOR

FREEZER LAMP

RED

WHT

ORG

PNK

BLU

VLT

GRY

GRYGRY

GRY

WHT

WHT WHT

YEL

YEL YEL

SIBLU

SIBLU P.T.C RELAY

COMPERESSOR

COMP RELAY

OPERATING

CONDENSER

SIBLU

BLK

BRN

RED

ORG

PNK

BLU

VLT

GRY

WHT

SIBLU

GRY

F-TEM FUSE

R-TEM FUSE

－－9

6-1. THE OUTER SIZE

6. FUNCTIONS AND DIRECTIONS

MODEL

SR-61KTC

SR-61NMC

SR-65KTC/NMC

SR-69NMC

1066.5

1096.5

1140.5

580

600

1755.5

1760.5

1810.5

1854.5

761.5

617.5

1479

123

9.5

71.5

840

EG 11 10

－－10

6-2. THE NAME OF EACH PARTS AND DISASSEMBLE METHOD

●Pull with both hands as showed

●The height can be adjusted according to the stored bowls.

●Push to direction ②

●Up the front of shelf to direction

①then pull and

apart to direction②.

FREEZER SHELF

DOOR GUARD

TEMPERRD GLASS TRAY

CHILLED ROOM SHELF DID CASE

●Upthe cover and apart then pull out the vegetable//salad

compartment cover and case at the mid-point and up

and pull to apart.

VEGETABLE/SALAD COVER AND CASE

●Pull to the arrow direction

then up and apart at the

locking point.

●Pull and apart

display part of

door guard.

●Up and apart

as showed.

－－11

6-3. CYCLE OF FREEZING

COMPRESSOR SUB CONDENSER CLUSTER PIPE DRYER CAPILLARY TUBE → → → HOT PIPE → →

→ → → →EVAPORATOR OF REFRIGERATOR EVAPORATOR OF FREEZER ACCUMULATOR

SUCTION PIPE COMPRESSOR→

ACCUMULATOR

SUCTION PIPE

CLUSTER PIPE

HOT PIPE

DRYER

COMPRESSOR

CAPILLARY

TUBE

SUB CONDENSER

EVAPORATOR OF

REFRIGERATOR

EVAPORATOR OF

FREEZER

－－12

7. TEMPERATURE CONTROL AND THE OTHERS

1) Freezer temperatur control

1-1)

It consists of five steps as follows and selected by one button.

MID

→

MID,HIGH

→

NIGH

→

LOW

→

LOW,MID

1-2)

setting up turn on a light in order by system of freezer cholce button.

( MID

→

MID,HIGH

→

NIGH

→

LOW

→

LOW,MID

→

MID...)

1-3) It set up “

MID”

automaticature during power on.

1-4) There is standard temperatically list of each notch part. (1/3H standard)

1-5) When inputting freezer key, display of LED change at once but actual operating start in 10 seconds

2) Refrigerator temperature control

2-1)

It consists of five steps as follows and selected by one button.

MID

→

MID,HIGH

→

NIGH

→

LOW

→

LOW,MID

2-2)

setting up turn on a light in order by system of freezer cholce button.

( MID

→

MID,HIGH

→

NIGH

→

LOW

→

LOW,MID

→

MID...)

2-3) It set up “

MID”

automaticature during power on.

2-4) There is standard temperatically list of each notch part. (1/3H standard)

2-5) When inputting freezer key, display of LED change at once but actual operating start in 10 seconds

3) Ppwer freezering / Regular condition /9in bed)

1) It select just power freezer / Regular condition.

2) If you press power freezing / regular freezing →Power freezing Regular condition.→

3) When first power on, lamp does appear.

TEMPERATURE

ITEM NOTCH LOW

-16.0℃

⊙

-17.5℃

MID

-19.0℃

⊙

-20.5℃

HIGH

-22.0℃

CLASSIFICATION

LAMP CHANGE

First POWER ON

OFF

Pressed once

POWER freezing

Pressed twice

Regular condition operating

TEMPERATURE

ITEM NOTCH LOW

+6.0℃

⊙

+4.5℃

MID

+3.0℃

⊙

+1.0℃

HIGH

-1.0℃

1. DISPLAY DESIGN

2. Temperature control function

7-1. ELECTRONIC MODE

－－13

3-1) Power freeze function

A. Input power freeze/regular condetion key. When power freeze startes, LED signal change at once.

(Comp and F-fan runs continuously for two and a half hours when quick freeze sekected.)

B. During quick freezing the refrigerator controlled by setted notch.

3-2) Regular condition function

A. Judge the temp. of F/R room, F room is over comp on of “LOW”NOTCH or R room is over comp on of “LOW”NOTCH.

If so regular condition function isn’t performed and LED is OFF below 0.5 seconds.

B. Input the function, judge temp. of F room or R room, F room is less than comp on of “LOW”NOTCH and R room is less than

comp on of “LOW”NOTCH. If so regular condition function is operate and comp F,R-FAN is off without state of operation in recently.

C. When state the operation of regular condition, judge the temp. of F/R room, F room is over comp on of “LOW”NOTCH or R room is

over comp on of “LOW”NOTCH. If son regular condition function is the end and it is returned before.

4) Power refrigerator/Power saving function

1) Select power refrigerator/power saving button

2) Press POWER/SAVING BUTTON at once. And it is selected “OFF”󳥡“Power refrigerator”󳥡“Saving operation”.

3) Initial power on isn’t signal.

4-1) Power refrigerator function

A. Input power refrigerator/saving key. When power refrigerator started, LED signal change at once.

(Comp. and R-fan runs until the temperature of refrigerator reaches -4 when quick refrigeration selected.)℃

B. During power refrigerator the freezing controlled by setted notch.

4-2) Saving operation function.

A. Input saving operation button, F/R room temp. operate 0.8 rising. (When situation about NOTCH, rised 0.8℃ ℃)

B. When input power freezer or power refrigerator, saving function stop to the end of power function and saving operation is

performed after the end of power function.

※When power freeze and refrigeration selected at the same time

- Each function applied at the same time Power freeze runs Comp. and F-fan for two and half hours and power refrigeration runs

Comp. and R-fan for -4 and power refrigeration runs.℃

3. Alarming

1) Button touch(“Ding-Dong”sound)

1-1) Everytime the button pushed, the input confirmation, “Ding-Dong”sound.

1-2) Not sounds, if two keys are pushed at the same time or wrongly handled

2) Door-Open Warning

2-1) Two minutes after door opened, alarming sounds.

2-2) If door opened continuously, ten times of alarming sounds with one minute cycle.

2-3) Alarming stopped just after door closed.

CLASSIFICATION

CHANGE OF SIGNAL LAMP

INITIAL POWER ON

OFF

PRESS ONE

POWER REFRIGERATOR

PRESS T ONE

SAVING OPERATION NOTES

NOTES

－－14

3) Forced operating and defrosting (“Beep”sound)

3-1) If forced function selected the “Beep”sounds.

3-2) Alarming sounds until the forced operating canceled by automatically(24Hr) or manualy.

3-3) Alarming sounds until the forced defrosting canceled by automatiically(24Hr) or manualy.

4) Defrosting

1-1) From the first power on, defrosting started after 4 hours of total Comp on time.

1-2) After that defrosting cycle can be varied from 6 hours to 24 hours.(Comp on time)

5) Testing

◆Testing is for PCB, product, function and service.

◆After testing, turn the power on to start self diagmosis.

1) Fored operating

1-1) As the button on PCB pushed once, Comp starts immediately.

1-2) If fored operating selected the notch of freezer and refrigerator fixed to “HIGH”and “MID-HIGH”. Then comp and

F-fan is controlled to pull down and R-fan is controlled to “MID-HIGH”notch.

1-3) Pull-down maintained just for 24 hours during forced operating, after that automatically defrost freezer and refrigerator

and then stares nomal operating.

1-4) Turn the power off or select test cancel mode to cancel the forced operating.

1-5) Alarming (0.25 secon/0.75 sec off) continues until the forced operating finished. It continues without any relations

to alarming key selection or cancel.

2) Forced defrosting

2-1) Push the test button one more time to run the forced defrosting of refrigerator.

2-2) One more push in the above status will run defrosting of freeaer and refrigerator simult a neously.

2-3) Forced operating cancelled automatically by starting forced defrosting and return to normal operating

after campletion of defrosting.

3) Test cancel mode

3-1) One more push in the status of forced defrosting of F/R wiill run normal operating.

3-2) Alarming stopped in the test cancel mode.

4). Initial function of first POWER ON.

1) If power is impressed, it begins to make a self diagnosis and light all LED for 2 second if normal condition is confirmed.

2) After first self diagnosis find unstable sensor among temp. sensor. And LED is on and off 5 second periods.

3) During 2 second turn on all LED. AND F/R LED display “MID-MID”

4) Early state R-EVA and F-EVA sensor is all below 15℃.

And R defrosting HEATER and F defrosting HEATER is perform per 0.5 second turn on.

5) After early state R-EVA sensor temp. or F-EVA sensor is over 15 and F/R defrosting is end per 3 second, ℃

COMP and F-FAN, R-FAN is turn on per 0.5 second and operated per 5 minutes without temp. condition.

6) Input TEST S/W among 4) and 5) movemen 5 it is the end and perform TEST function.

－－15

1) SELF DIAGNOSIS AT FIRST POWER ON

1-1) As the power applied to the refrigerator first time, all dispays show operating and run the self diagnosis.

1-2) If no problem foundes, display returns to normal mode

1-3) If probiem foundes, on and off the related display lamp and start alarming.

1-4) Lamp displayed until the problem solved or seif diagnosis cancelled.

1-5) After problem solved the display mode return to nomal.

1-6) After refrigerator repaired, sure to power off and on to run self diagnosis.

1-7) Refer to belows for problem and related displays.

SYMPTOM

Refrigerator sensor houslng disconnection

Faulty connection

Wire open or short

Faulty sensor

Refrigerator defrost sensor houslng

disconnection

Faulty connection

Wire open or short

Faulty sensor

Room-Temp senser LEAD disconnection

Faulty connection(PCB MAIN)

Wire open or short

Faulty sensor

Freezer defrost sensor houslng

disconnection

Faulty connection

Wire open or short

Faulty sensor

Freezer defrost sensor houslng

disconnection

Faulty connection

Wire open or short

Faulty sensor

REMARK

R-SENSOR temperature is over

+50℃or below -50℃

RD-SENSOR temperature is over

+50℃or below -50℃

Room-Temp sensor temperature

is over +50 or below -50℃ ℃

ZF-SENSOR temperature is over

+50℃or below -50℃

FD-SENSOR temperature is over

+50℃or below -50℃

ITEM

R-SENSOR

RD-SENSOR

ROOM-TEMP

SENSOR

F-SENSOR

FD-SENSOR

DISPLAY LED

Refrigerator

“ ”LOW

Refrigerator“ ”MID

Freezer“ ”LoW

Freezer“ ”LOW,MID

Freezer“ ”MID

( SELF-DIAGNOSIS DISPLAY TABLE) )

5. SELF DIAGNOSIS

－－16

MODE DISPLAY

REFRIGERATOR SUBORDINATE

FREEZER SUBORDINATE

(LOAD STATUS DISPIAY TABLE)

1) Press power freezing / regular conditing and power refrigerating / power saving key for five seconds then

press temperature control key in the refrigerator after temperature display lamps on and off three times

2) This mode shows which lamps is being sourced signal from MICOM currently. This doesn’t mean the load is

operate due to the open wire or relay missing though the display shows the compressor operating.

3) Load status display return to normal mode after sixty seconds.

4) Follows are load status and related dispay.

6. LOAD STATUS DISPLAY

ITEM

COMP

F-FAN

FREEZER DEFROST HEATER

R-FAN, S-FAN

REFRIGERATOR DEFROST HEATER

INITIAL MODE

OVERLOAD

LOW TEMP MODE

DISPLAY LED

FREEZER ”LOW”

FREEZER ”LOW,MID”

FREEZER ”MID”

REFRIGERATOR ”LOW”

REFRIGERATOR ”MID”

POWER FREEZER

POWER REFRGERATOR

POWER SAVING

DISPLAY

RELEVANT LED ON DURING COMPRESSOR OPERATION

RELEVANT LED ON DURING F-FAN OPERATION

RELEVANT LED ON DURING FREEZER DEFROST HEATER ON.

RELEVANT LED ON DURING S-FAN AND F-FAN OPERATION

RELEVANT LED ON DURING REFRIGERATOR DEFROST

RELEVANT LED ON QITH INITIAL POWER INPUT.

RELEVANT LED ON QHEN ROOM-TEMP. IS OVER 35℃

RELEVANT LED ON QHEN ROOM-TEMP. IS BELOW 15℃

－－17

7. operating of fan motor

8. OPTION TABLE

1) FAN MOTORoperates BLDC MOTOR by dc power.

2) After first starting power, it operates “ ”HIGH rpm to off dot of fan and then operates “ ”LOW rpm

3) if binding motor or not sensing regular freguency of motor to pcb, motor will stop operating.

(After stopping, reoerating start in 10 seconds.)

※F, R, C-FAN operate equal.

1) Temperature change TABLE of Freezer ( ● : Pertinent DIODE )

SHIFT

STANDARD TEMPERATURE

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-3.5

SHIFT

+0.5

+1.0

+1.5

+2.0

+2.5

+3.0

+3.5

+4.0

●

2 ) Temperature change TABLE of refrigerator ( ●: Pertinent DIODE )

SHIFT

STANDARD TEMPERATURE

-0.5

-1.0

-1.5

-2.0

-2.5

-3.0

-3.5

SHIFT

+0.5

+1.0

+1.5

+2.0

+2.5

+3.0

+3.5

+4.0

●

－－18

※Personal Informatin

Micomport Voltage and Resisting force of sensor by Temperature.

TEMPERATURE (℃)

-42

-41

-40

-39

-38

-37

-36

-35

-34

-33

-32

-31

-30

-29

-28

-27

-26

-25

-24

-23

-22

-21

-20

RESISTANCE

98870

93700

88850

84150

79800

75670

71800

68150

64710

61480

58430

55550

52840

50230

47770

45450

43260

41190

39240

37390

35650

33990

32430

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

TEMPERATURE (℃)

-19

-18

-17

-16

-15

-14

-13

-12

-11

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

RESISTANCE

30920

29500

28140

26870

25650

24510

23420

22390

21410

20480

19580

18730

17920

17160

16430

15740

15080

14450

13860

13290

12740

12220

11720

VOLTAGE (V)

3.778

3.734

3.689

3.644

3.597

3.551

3.504

3.456

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

TEMPERATURE (℃)

RESISTANCE

11250

10800

10370

9959

9569

9195

8839

8494

8166

7852

7552

7266

6992

6731

6481

6242

6013

5792

5581

5379

5185

5000

4821

VOLTAGE (V)

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

1.878

1.834

1.791

1.749

1.707

1.667

1.626

TEMPERATURE(℃)

RESISTANCE

4650

4487

4329

4179

4033

3894

3760

3631

3508

3390

3276

3167

3062

2962

2864

2770

2680

2593

2510

2429

2352

2278

2206

VOLTAGE (V)

1.587

1.549

1.511

1.474

1.437

1.104

1.366

1.322

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

－－19

7-2, SEMI ELECTRONIC MODE

A. Temperature control part design

B. Temperature control function

1) Tempera ture choice of freezer

·You can choose to ⑧From ①

·Follows are control temperature by KNOB position.

Freezer temperature control refrigerator temperature control

KNOB position

control temperature

①

-16.0

②

-17.0

③

-18.0

④

-19.0

⑤

-20.0

⑥

-21.0

⑦

-22.0

⑧

-23.0

2) Temperature choice of refrigerator

·You can choose to ⑧From ①

·Follows are control temperature by KNOB position.

NOTE) Temperature contol of freezer and refrigerator is position control by ROTRAY S/W, if it get out of

position it control NOTCH

C. Defrost function

1) Defrost set up by time of COMP ON.

2) Defrost tun Heating Rest time→

3) When initial power on, initial defrost run defrost of freezer and refriger ator in 4 hours of COMP

ON. Since initial

(R →R, F → →R R, F ... Cycle operating))

4) ON/OFF of defrost - heater control by EVA-SENSOR If EVA-SENSOR is problem (short 10 pen),

it run just rest time and then finishes defrost function without heating.

5) During defrosting it maintain COMP and FAN state and after finish defrost-heating rest time

is 10 minutes.

6) Follows are defrost heating ON point and OFF point that operate by EVA-SENSOR.

KNOB position

control temperature

①

5.0

②

4.0

③

3.0

④

2.0

⑤

1.0

⑥

⑦

-1.0

⑧

-1.0

HEATER ON dot

HEATER OFF dot

REFRIGERATOR

BEIOW+10℃

FREEZER

BEIOW -5℃

REMARK

17℃

TEMP, FRE TEMP, REF

－－20

D. TEST FUNCTION

▶TEST function is function for test,SVC and fair test of PCB and product.

▶TEST S/W choose and confirm function of product and then POWER ON to run self diagnosis.

1) FORCED OPERATING FUNCTION

●Pressed once TEST S/W on MAIN PCB. If so COMP and F-FAN run at once. Thus be careful because

occur COMP over load.

(Refrigerator FAN control ON/OFF by temperature)

●Since it set up forced operating function, it always run COMP and F-FAN and display lamp on MAIN

PCB with ON/OFF 0.1 second periodically.

(Refrigerator FAN control ON/OFF by temperature)

●In 24 hours forced operating function of freezer and refrigerator operate and finish then run normal mode

by KNOB position of temperature setting up.

●During forced operating function if you want to stop it first power OFF and then power on or choose

TEST cancellation mode.

2) Forced defrost function

●For forced operating pressed once TEST S/W button, it cancel forced operating at once and refrigerator

forced defrst function with display forced defrost position ON/OFF lamp on MAIN PCB 0.5 secoonds

periodically. If press one more TEST S/W bueeon display refrigerator and freezer defrosting.

●If forced defrost choose, COMP and FAN power OFF and defrost heater on at once, At this time,

if sensing temperature of EVA-SENSOR over 12 defost heater power off and operate rest time normal mode. ℃

●After heating finish it need 10 minal mode

3) TEST FUNCTION CANNCELLATION MODE

●Duting refrigerator and freezer run forced defrost function press one more TEST S/W button if so forced

defrost cancel and rest in 10 minutes and then turn normal mode.

OPERATING

OPERATING BEFORE OPEN STEP

“HIGH”

OPERATING BEFORE SETTING UP STEP

－－21

E. self diagnosis function

1) Power on refrigerator and it run seif diagnosis function about 2 seconds at the inner part.

2) If no preblem it turns normal mode.

3) If find prebiem display lamp of PCB show errw position like lower list and everything don’t operate until repair

error position.

4) After refrigerator power off and then power on for confirming conditiom.

5) Thus if you want to know OPEN/SHORT of temperature sensor on SVC, power off and on if it run self

diagnosis function.

6) When error occur LAMP display method.(Lamp on time : 0.3 seconds ( ON/OFF) Lamp off time : 2 seconds)

●In case of many problems find it display error position in order.

①When problem R-ROOM SENSOR display lamp operating.

(0.3 seconds ; ON/OFF) Four times 2 seconds OFF - REPEAT - →

②When problem R-ROOM SENSOR and F-ROOM sensor at the same time display method.

(0.3 seconds ; ON/OFF) Three times 2 seconds OFF - REPEAT - →

※Tem perature contre control operating by ROTRAY SWITCH

F. Quick heating operating

1) If freezer heating sensor OPEN/SHORT error at freezer heating it runs just rest time without heating..

2) If refrigerator heating sensor OPEN/SHORT error at refrigerator heating it runs jest time without heating.

F DEFROST

SENSOR

R DEFROST

SENSOR

F SENSOR

R SENSOR

F Rotary S/W

R Rotary S/W

NORMAL MODE

-.OPEN ERROR

-.SHORT ERROR

-.OPEN ERROR

-.SHORT ERROR

-.OPEN ERROR

-.SHORT ERROR

-.OPEN ERROR

-.SHORT ERROR

-.OPEN ERROR

-. SENSOR IS BELOW -50℃

-. SENSOR IS BELOW +50℃

-. SENSOR IS BELOW - 50℃

-. SENSOR IS BELOW +50℃

-. SENSOR IS BELOW - 50℃

-. SENSOR IS BELOW +50℃

-. SENSOR IS BELOW - 50℃

-. SENSOR IS BELOW +50℃

Vntil operating initial 5minutes

Off

No. ITEM Led Display Remark Problem

OPEN ERROR

SHORT ERROR

SECTION

INITIAL SEIF DIAGNOSIS(OFF/ON)

STOP ERROR DISPLAY OPERATING

“HIGH”

“MID”

－－21

8. CIRCUIT OPERATING THEORY

1) Power is on and makes about DC 300V through BD1.

2) TOP S/W is switching the best condition automatically.

Electric current run between D and S of TOP S/W and occur electric current in TRANS and when power of D-s is

off storing electric current of TRANS pass to secondary voltage.

3) Voltage main 12V. This is applied to display, relay and 5V power of sourcr and Main PCB

1) Tish needs function for CLOCK occurrence and time calculation.

In case of SPEC of RESONATOR change abnormal mode run because of changing Timming system of MICOM.

1. Power suooly part

2. OSCILLATOR

3. RESET PART

TERMINAL

Xin(#30)

Xout(#31)

FREQUENCY

4MHz

TERMINAL

Vcc

RESET

VOLTAGE

DC 5V

8-1. ELECTRONIC MODE

－－22

1) RESET part is intialize RAM of MICOM and others when power is on or power is inferruoted for some time It will make

whole program runs from the first status. When power is supplied, reset voltage is “ ”LOW status for a few seconds and

turn into “ ”HIGH (Vcc Voltage) status in the normal opweating.

1) DOOR S/W sensing part doesn,t sense Door of Fand R room on each micom.

2) Lamp control door is opened, door S/W pin NO 3 opened and voltage no touching No1 of CN 27 and MICOM input Then the

door-open is sensed.

3) When the door is opened, Door S/W pin No 3 opened and voltage no touching No 1 of CN No 27 and MICOM input.

Then the door-open is sensed.

→It makes door alarm after 2 minutes

This time F,R DOOR must close at the same time for stopping Door alarm.

4) DID DOOR S/Whave no each sensing parts and control lamp ON/OFF by contact dot of DOOR.

4. DOOR S/W SENSING PART

ITEM

DOOR CONDITIONS

OPEN

DOOR S/W CONTACT

OPEN

LAMP

OFF

MICOM INPUT VOLTAGE

OUTMODE

CN72PIN NO1 CONTACT

OFF

－－23

1) Thermistor is used for sensing which has negative resistance coffiecient to the temperature.

R 302, 4, 6, 8, 12, C301~C306 are pares for preventing noise.

2) MICOM input voltage, Vf of sensor is Vf=(R+hx x Vcc)/(R301+Rth) (Rth : sensor resistance)

1) KEY SCAN and display operating

It is used for No 5 of MICoM NO #2, 3, 4, 5, 6,

It operates “ ”high 10 msec periodically for 2 msec cycle : MICOM pin No : #2 →→→→#3 #4 #5 #6

This signal pass by IC 04 (UDN 2981 or KID 65783AP) from Input dot to Dotput dot.

Voltage of peak to peak is about 11V (DC RMS 1.5V)

5. TEMP·SENSING PART

6. KEY SCAN AND DISPLAY PARTS

－－24

STATES LOAD

REMARK

COMP

OFF

F DEFROSTING HEATER

OFF

COMP OPERATION

COMP OFF, F-DEFROSTING HEATER OFF

F-DEFROSTING HEATER ON

COMP OFF, F-DEFROSTING HEATER OFF

preverting power of F-DEFROSTING HEATER

PREVENTING COMP POWER

As it is seen above block diagram. 220V line is connected to the commons of comp relay, Ry 71 and defrosting heater relay,

Ry 73, Ry 75. When those relays are off state comp and defrosting heater are also off. As comp relay moves to on and AC

220V applied to comp load it starts operating On the other hand defrost heater runs if defrost heater relay moves to on. There

is no chance that both comp and defrost heater runs together so it’s useful for safety aspect.

7. COMP AND DEFROSTING HEATER OPERATING

RED GRY

COMP LED

F-DEFROSTING HEATER

R-DEFROSTING HEATER

－－25

1) Operate description of BLDC MOTOR First, if FAN became before operate condition of FANMOTOR, condition of in the temp.

are high temp. more than FAN of recently institutionn NOTCH is operated condition.

1-1) FANMOTOR in the freezer(F-FAN)

A. If refrigerator’s power is confimated, check the temp. of F-FAN and temp. more than F-FAN on is operated “HIGH RPM”to sign

of MICOM #13 PORT. After arrived FAN OFF, if FAN is OFF and separate function of ON.OFF isn’t confimated always NICOM

#12 PORT is confimate sign and operated “LOW RPM”

B. “HIGH RPM”is determinated the resistance of R701, LOW RPM is determinated the resistance of R702.

C. When check RPM, check the wire to resistance of R715 and it is knew to MOTOR RPM.(wire *4)

D. Operated condition to Motor is received wire sign to MICOM #7 PORT but if it isn’t regular wire, FAN is stopped and operate again

after 5 minutes.

※When power freeze and forced operation, always operated “HIGH RPM”without temp. of freezer.

ex)CONNECTOR CN 70’S third voltage : Input VL, Vcc 5V(Used Diode regard DROP)

Perated High RPM

V L = Gain * Ei

Gain = (R705+R704)/R704 Ei = R703/(R701+R703) * Vcc

= (20K + 10K)/10K = 10K/(820 + 10K)*4.4

=3 = 4.07

V L = 4.07*3=12.24 (Change it for resistance error)

8. BLDC MOTOR Operation Circuit

－－26

1-2) FAN MOTOR IN THE FREEZER (R-FAN)

A. If refrigerator’s power is confimated, check the temp. of R-FAN and temp. more than R-FAN ON is operated “HIGH RPM” to sign

of MICOM #11PORT. After arrived FANOFF, if FAN is OFF and separatre function of ON/OFF isn’t confimated always

MICOM#10PORT is confimate sign and operated “LOW RPM”.

B. “HIGH RPM” is determinated the resistance of R706, LOW RPM is determinated the resistance of R707.

C. When check RPM, check the the wire to resistance of R716 and it is knew to MOTOR RPM.(wirw*4)

D. Operated condition to MOTOR is received wire sign to MICOM #8PORT but if it isn’t regular wire, FAN is stopped and operate again

after 5minutes.

※When power refrigerate and forced operation, always operated “HIGH RPM” without temp. of freezer.

1-3) COMP FAN MOTOR

A. If refrigerator’s power is confimated, check the operated condition of F,R-FAN and F,R-FAN is HIGH RPM is operated #HIGH RPM to

sign of MICOM #20PORT. After arrived F,R-FAN OFF, if FAN is OFF and seperate function of ON/OFF isn’t confimated always

operated “LOW RPM”

B. “HIGH RPM” is determinated the resistance of R711, LOW RPM is determinated the resistance of R711,R729.

C. When check RPM, check the wire to resistance of R717 and it is knew to MOTOR RPM (wire *4).

D. Operated condition to MOTOR is received wire sign to MICOM #9PORT but if it isn’t regular wire, FAN is stopped and operate again

after 10minutes.

E. COMP FAN is always HIGH RPM, if it is HIGH RPM.

※When power freeze and refrigerate, forced operation, always operated “HIGH RPM”

－－27

1) PRINCIPIE OF MAVEMENT

Like the GRID waves appear in initial POWER ON is reaeved through SWITCHING DIODE and OPION

is judged for MATRIX method.

※ when OPTION Changed power turns off, after change and power turn on.

9. POTION PART

NAME

R-CARBON

STANDARD

10Kohm-J (1/4)

1Kohm-J (1/4)

REMARK

－－28

9-1. POWER PART.

CON 71

YW396-05AV

CON 70

YW396-07AV

RED

GRY

VAR1

LVT

FUSE

250V, 0.5A

IN4007*4

D101~104

C101

1000uF/35V

C105

104

KA7812 KA7805

C103

470uF/25V

Vcc(DC 5V)

V12(DC 12V)

C104

104

C102

470uF/25V

POWER

- ● Vcc(DC 5V)

- ▶V12(DC12V)

CIRCUIT OF USING

POWER AROUND MICOM OR SENSOR SENSING PART

RELAY RUNNING PART

AC220V input power is decompressed through LVT(DC-TRANS), the power is changed DC vltg through DIODE rectification. It is

an archery practive bow through 1000uF/35V CAPACITOR. And regular DC 12V is output through REGULATOR 7812, it is used

to the RELAY runing power. The other of LVT(DC-TRANS) is an archery pratice bow through DIODE rectification or 1000Uf/35V

CAPACITOR and it is output the regular DC5V through REGULATOR 7805.

And it is used sircumference circuit or various signal(Sensor,Switch) input power.

9-2.

Departure circuit PART

TERMINAL

Xin

Xout

ERUPTION QAVEIENGTH

4.00MHz

4.00MHZ

less than 0.5% error±

Element of inside MICOM is copper ware clock production of informations transmission, reception and eruption circuit for time calculation.

In a case change SPEC of X-TAL use the standard parts or SPEC because it changes calculated time at MICOM or doesn’t run.

8-2. SEMI ELECTROMAGNETIC

－－29

9-3. RESET CIRCUIT PART

9-4. SENSING OF TEMP PART

RESET circuit part is performed the eariy state all

program furction when input power and confimate

power to MICOM for suddeniy electricity failure, it is

initialed to PAM of inside MICOM. when confimate

power RESET’S vltg is “ ”LOW state during

sevweal tens uses and it is “ ”HIGH state as nomal

operation state.

1) SENSOR is vsing the THER with labor coefficint, if temp. is high, resistance is low on the contrary if temp.

is iow, reissitarce is high.

2) According to sensor, voltage of input to MICOM is calculate,

SENSOR OPEN SENSOR SHORT

Inpat MICOM“ ”HIGH Inpat MICOM “ ”LOW

X Vcc(Vcc:5V, Rth:SENSOR RESISTANCW)

Rth

Rth + 10㏀

Vf =

－－30

9-5. TEMP. CONTROL CIRCUIT.(ROTARY S/W)

A. FREEZER TEMP.

※CAUTION

It is appeared the S/W cross spot of ROTARY

S/W circuit ①∼⑩

Temp. control is changed KNOB of contructed ROTARY S/W in the freezer and it is possible the temp. control 1 step

to 8 step.

Temp. control SETTING become partial pressure for R 501 resistance and ROTARY S/W resistance.

(Row composition resistance of resistance charge to R 908 and ROTARY S/W direction)

And partial pressure is delivered to MICOM through R 503 resistance and recognited temp. control and it become

SETTING to temp. contol.

Voltage or resistance charge of MAIN PCB MICOM input for SUB PCB Ass s ROTARY S/W cross spot direction is’

same the below.

(When Measure the resistance charge, connector of MAIN PCB CN 30 is separated and measure the connector

terminal.)

※To upside, when measure the resistance charge isn’t appeared the resistance in the case SUB PCB ASSY

connection is disconnection or crack situation of PCB board.

Section

Voltage

(R504)

Resistance

(CN30⑥~⑦)

1 STEP

(9PIN)

2.77

±0.15V

6.54㏀±

2 STEP

(8PIN)

2.94

±0.15V

5.66㏀±

3 STEP

(7PIN)

3.12

±0.15V

4.76㏀±

4 STEP

(6 PIN)

3.33

±0.15V

3.84㏀±

5 STEP

(5 PIN)

3.57

±0.15V

2.91㏀±

6 STEP

(4 PIN)

3.84

±0.15V

1.96㏀±

7 STEP

(3PIN)

4.16

±0.15V

0.99㏀±

8 STEP

(2 PIN)

4.54

±0.15V

0Ω

WHEN OPEN

THE OPEN SPOT

0.1~ 0.7V

100㏀±1%

－－31

B. REFRIGERATOR TEMP

※CAUTION

It is appeared the S/W cross spot of ROTARY

S/Wcircuit ①~⑩.

Temp. control is changed KNOB of contructed ROTARY S/W in the refrigerator and it is possible the temp. control 1 step to 8 step.

Temp. control SETTING become partial pressure for R502 resistance and ROTARY S/W resistance.(Row composition resistance of

resistance charge to R908 and ROTARY S/W direction). And partical pressure is delivered to MICOM through R505 resistance and recognited

temp. control and it become SETTING to temp. control. Voltage or resistance charge of MAINPCB MICOM input for SUBPCB Assy’s

ROTARY S/W cross spot direction is same the below.(When measure the resistance charge, connector of MAINPCB CN30is separated and

measure the connector terminal.

※To upside, when measure the resistance charge isn’t appeared the resistance in the case SUBPCB ASSY connection is

disconnection or crack situation of PCB board.

Section

Voltage

(R506)

Resistance

(CN30⑥~⑦)

1 STEP

(PIN #9)

2.77

±0.15V

6.54㏀±

2 STEP

(PIN #8)

2.94

±0.15V

5.66㏀±

3 STEP

(PIN #7)

3.12

±0.15V

4.76㏀±

4 STEP

(PIN #6)

3.33

±0.15V

3.84㏀±

5 STEP

(PIN #5)

3.57

±0.15V

2.91㏀±

6 STEP

(PIN #4)

3.84

±0.15V

1.96㏀±

7 STEP

(PIN #3)

4.16

±0.15V

0.99㏀±

8 STEP

(PIN #2)

4.54

±0.15V

0Ω

WHEN OPEN

THE CROSS SPOT

0.1~ 0.7V

100㏀±1%

－－32

6. ELECRICAL LOAD SIGNAL LAMP CONTROL PART

Like the above circuit, pin 1 of CN71 suply the power. And electrical load suply the power when

electricaload operated. operated refrigerator, freezer to fact comp operation And if it is needness of

defrosting operation, performed comp’s electrical load is off, it is security of circuit. In fact, each

operation is operated to temp. sensor and absoluteness defrosting isn’t operated with comp.

SSR71

SSR72

RY71

RY72

RY73

GRY

BARISTER

RED

－－33

7. POTION PART

A. circuit way

B. MOVEMENT PRINCIPAL

like the grid waves appear in initial power on is recieved throngh switching diode and option is judged

for matrix method.

when option changed power furnd off, after change and power turns on.

C. TEMP SHIFT

※CAUTION

Don’t change DIODE OPTION escape D601~D605, becase it is related to Refrigerator’s frust.

FREEZER TEMP SHIFT

(UNIT : ℃)

SHIFT

STONDAR

-1.0

-2.0

+1.0

602

●

601

●

FROSTING TEMP SHIFT

(UNIT : ℃)

SHIFT

STONDAR

605

10 hours

7 hours

REFRIGERATOR TEMP SHIFT

(UNIT : ℃)

SHIFT

STONDAR

-1.0

-2.0

+1.0

604

●

603

●

－－34

※PERSANAL INFORMA

sensor resistance power and MICOMPORT voltage by temperature.

TEMPERATURE (℃)

-42

-41

-40

-39

-38

-37

-36

-35

-34

-33

-32

-31

-30

-29

-28

-27

-26

-25

-24

-23

-22

-21

-20

RESISTANCE (Ω)

98870

93700

88850

84150

79800

75670

71800

68150

64710

61480

58430

55550

52840

50230

47770

45450

43260

41190

39240

37390

35650

33990

32430

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

TEMPERATURE

(℃)

-19

-18

-17

-16

-15

-14

-13

-12

-11

-10

-9

-8

-7

-6

-5

-4

-3

-2

-1

RESISTANCE (Ω)

30920

29500

28140

26870

25650

24510

23420

22390

21410

20480

19580

18730

17920

17160

16430

15740

15080

14450

13860

13290

12740

12220

11720

VOLTAGE (V)

3.778

3.734

3.689

3.644

3.597

3.551

3.504

3.456

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

TEMPERATURE (℃)

RESISTANCE )(Ω

11250

10800

10370

9959

9569

9195

8839

8494

8166

7852

7552

7266

6992

6731

6481

6242

6013

5792

5581

5379

5185

5000

4821

VOLTAGE (V)

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

1.878

1.834

1.791

1.749

1.707

1.667

1.626

TEMPERATURE (℃)

RESISTANCE ( )Ω

4650

4487

4329

4179

4033

3894

3760

3631

3508

3390

3276

3167

3062

2962

2864

2770

2680

2593

2510

2429

2352

2278

2206

VOLTAGE (V)

1.587

1.549

1.511

1.474

1.437

1.104

1.366

1.322

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

－－35

ABOUT CIRCUIT LINK LIST

CODE-NO

DA32-10109H

DA32-10109A

DA32-10105G

DA41-00048A

DA41-00012A

DA26-30116A

DA41-00053A

MODEL NAME

R-SENSOR ASSY

F-SENSOR ASSY

EVA SENSOR ASSY

MAIN PCB ASSY

SUB PCB ASSY

DC-TRANS

MAIN PCB ASSY

SPEC

502AT

AC220V/50,60Hz

Quantity

Remark

GENERALLY

SEMI

Applicating

SEMI DID HEATE

－－36

START

Change main fuse

Ohiy aline AC 220V FUSE?

Is confimate 220V the

CN10 both sides?

POWER CARD connection

LEAD WIRE CABI, DOOR

(Cooent to the upside)

-Caution-

MAIN PCB power part is

appesred high-pressure.

Change fuse-250V 2A

Check the eletric wire

construction

Nomal state

Is confimate DC5.

8Vthe the TOP S/W 223Y

among C-S‘ ’?

Is confimate 12v the both

C104sides to?

Is confimate 5v the both

sides to c103?

Is PANEL PCB O.K?

Is RELAY O.K?

Change Reg1 (7805)

Change D102(D10SC9M)

1. Check assembly line

and repair

2. Change parel PCB

1. Change pertinet RELAY.

2. Check contacted

LEADWIRE.

Only a line FUSE of MAINPCB?

Change PCB PATTERN

and change BD1

Change PCBASSY

Is confimate 300V the

BD 1(+),(-),?

9. Diagnosis of disorder and method of repair

1. Check the power of consent and power code

2. Check it based on the :References on the next pages.”

Preliminary examamination

1. No input Power

1. ELECTRICAL (SR-61KTC,65KTC)

－－37

󳡉Outer temper ature sensor failure

2. Self diagnosis failure

②

Refrigerator temp, sensor failure

Connection failure, SHORT

Is main PCB connection O.K?

Change temp sensor,

change PCB MAIN

Is outertemp sensor O.K?

Check Main-PCB

Is input vltg of MICOM

PIN#58 O.K?

change sensor

Is temp sensor O.K?

Connection failune Re-connection

Is MAIN-PCB Connection

(con30) O.K?

Cheak connected sensor wire

Is input vltg of MAIN-PCB

(con30) pin2 O.K

Cheak short and iced lead

Is input vltg of

MICOM pin#60 O.K

PCB and temp sensor O.K.

Reconfirm connector inferior.

PCB and temp sensor O.K.

Reconfirm outertemp sensor inferior

START

－－39

Connection failure

Change sensor

Is defrosting sensor O.K.

Is conection of defrosting

sensor O.K

connection failure

In MAIN-PCB connection

(con30) O.K?

Wire open

Is input vltg of CON30

PIN4 O,K

Change MAIN PCB ASS’Y

START

󳡍 ’Freezer s defrosting sensor failure

－－40

󳢯F/R door open alarms for ten seconds after 2 minutes later.

IF door opens continuously, door open alarms for ten seconds with one minute cycle. cten

times of “ ”Ding-Ding

󳢯 ’If there is moisture in door S/W, it is shorted and alarms due to the MICOM S misjudgement,

In this case the inside lamps of freezer and refrigerator turns off so the lamp do not turns on

thaugh you open the door.

󳢯If the door S/M is rusted, the sighal of door open do not reach to MICOM and no alarms and

lamps turhed off continuously.

REFRENCES

①In case of continous Melody

Change the Door S/W

Does the ultg of con72 pln3.

1 and AC220V change?

Is MAIN PCB connection

(con72) O.K?

Connection failure

Wire open, change door S/W

Is the Door S/W O.K?

Change main PCB ass’y

START

3. In case of contiunous alarming

－－41

②

In case of “ ”Beep-Beep alarming

Cancel forced oper/defro

MAIN-PCB O.K

Is forced operating/fro

sting selected?

Is it the same when power

on again?

PCB MAIN TEST S/W (SW1);lead

touch, check shorted other material

START

③In case of no PANEL PCB display

Connection failure

Re-connectin

Re-connection connection failure

Is the connection of COVER O.K?

Is MAIN-PCB connection (CON50) O.K?

Is PANEL-PCB connection O.K?

CHANGE PANEL PCB

START

󳢯There is on “ ”beep-beep alarming except the forced operating/frosting or sensing troble during

self diagnosis

󳢯If self diagnosis sensed troble, it is displayed on the PANEL PCB, so easy to check, If not, the

forced operating/frosting is selected the NOTCH status are “ ”High -”Mid,High”at that time.

REFRENCES

－－42

④

In case of the panel PCB Key selection is impossible.

Re-connection connection failure

Is the connection of

cover O.K?

Re- connection

Is MAIN-PCB commection

(CON50)O.K?

Re-connection connectionfailure

Is PANEL-PCB connection O.K?

Re-assemble PANEL COVER

Are there any keys already

predded?

Change PANEL-PCB

START

REFRENCES

4. In case of FAN do not run

“ ”Be sure to check cooling FAN under forced operation

1. F-FAN, R-FAN and COMP COOLING are off when COMP is off.

2. Though the comp is on, the R-FAN is not always on because the FAN is off when the tem

perature was reached to the set point.

3. There is delaying time to run the fan after door open (COMP ON state). thedelay time varys

from ten seconds to one minute, (Forced operation included)

4. When closed MOTOR, it is stop state (After stopped, it is ON/OFF at ten minutes)

－－43

①

In case of F-FAN doesn’t run (Run the DC voltage)

Is it forced operation?

Does it run lmin after the door

S/W pressed?

Is confivcate AC 220V of the

MAIN PCB connection

CN72 PIN 1.3?

Does the door

S/W works norks nomally

Is 5V vltg MAIN PCB MICOM

PIN27?

Has vltg the MAIN PCB

connection CN70 pin 2?

(12V or 9V)

Has wave the MAIN PCB

connection CN70 pin 5

Check IC 06 KA324 Change MAin PCB

Forced operation

F-FAN O.K

Re-connection CON72

Check wire

Change DOOR S/W

Change MAIN PCB

Check CON70 Connection

Check the MOTOR

Check MOTOR

Change MOTOR

START

－－44

②

In case of R-fan doesn t run (Run the DC voltage)’

(Reference BLDC MOTOR run circuit)

Is it forced operation?

Does it run lmin after the door

S/W pressed?

Is confivcate AC 220V of the MAIN

PCB connection CN72 PIN 1.3?

Does the door

S/W works norks nomally

Is 5V vltg MAIN PCB MICOM

PIN27?

Has vltg the MAIN PCB

connection CN70 pin 2?

(12V or 9V)

Has wave the MAIN PCB

connection CN70 pin5?

Check IC 06 KA324 Change MAin PCB

Forced operation

F-FAN O.K

Re-connection CON72

Check wire

Change DOOR S/W

Change MAIN PCB

Check CON70 Connection

Check the MOTOR

Check MOTOR Change

MOTOR

START

Produkt Specifikationer

Mærke:	Samsung
Kategori:	Køleskab
Model:	SR-67KTC

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