Samsung RS2521 manuale d’uso

SIDE-BY-SIDE REFRIGERA T OR SAMSUNG Home Appliance Service MODEL: RS2511 RS2611 RS2630W/XAA RS2531 RS2631 RS2521 RS2621 RS2630SW[...]

2 IMPOR T ANT SAFETY NO TICE The ser vice guide is f or ser vice men with adequate backg rounds of electrical, electronic, and mechanical experience. An y attempt to repair a major appliance ma y result in personal injur y and proper ty damage . The manuf acturer or dealer cannot be responsib le f or the inter pretation of this inf or mation. SAMSU[...]

3 Contents 1. Saf ety instruction on ser vices ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 4 2. W arr anty inf ormation ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 9 3. Mechanical Disassemb ly ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙[...]

1. 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[...]

5 2. W arranty information LIMITED W ARRANTY T O ORIGINAL PURCHASER SAMSUNG REFRIGERA T OR 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 workman[...]

6 3-1) Refrigerator Disassembly 3-2) Freezer Disassembly 3-3) Machine Compartment Disassembly 3. Mechanical Disassemb ly Control P anel ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙ 7 Door Handle ∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙∙?[...]

7 3. Mechanical Disassemb ly 1. Inser t a flat-blade scre wdriver on the slot as sho wn, 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 scre wdriv er , press the small b utton and pull handle cov [...]

8 Mechanical Disassemb ly The refrigerator light is located in the upper por tion of refrigerator . 1. Pull the tip on the cov er . These shelv es allow the stor age of larger items and pull out f or easy access . 1. Pull the shelf out as f ar as it goes . 2. Lift it up and remov e it. Dra wers are designed f or storage of fr uits , v egetab les , [...]

9 Mechanical Disassemb ly Damper in the Refrigerator 1. Pull out the screw cap and remo v e the scre w . 2. Remov e the lamp co v er b y unloc king the tabs and pulling the cov er do wn. 3. Remov e the scre w at the co v er damper . 4. T ak e off sensor and lamp wire connector located on the upper liner . 6. Remov e the damper from the refrigerator[...]

10 The door bins allow stor age of perishable items . 1. Push the bin up and slide it out. This s witch is located in the left-hand por tion of the freezer and sends a signal to the processor . 1. With a small flat-blade scre wdriv er , unlock the locking tabs and pull the s witch out until the wire connector is visib le. 2. Disconnect the wire con[...]

11 Mechanical Disassemb ly The ice dispenser is located in the upper por tion of the freezer . This assemb ly stores ice made by the icemaker and dispenses ice . 1. Lift the ice buc k et up  and slide out the ice dispenser assemb ly  . The ice maker is located inside of the ice dispenser assembly . 1. Remov e ice mak er suppor t scre ws (2), [...]

12 The freezer light is located in the bottom of the auger motor case. The light is co v ered b y an opaque cov er . 1. Remov e the scre w and the light co v er . The e v aporator f an is located in the middle rear of refrigerator . This fan circulates cold air in the refrigerator . 1. Remov e the f an spr ing, and than remov e f an and protector m[...]

13 Ev aporator is located in the bottom of freez er to produce cold air driven across the e v apor ator coils. 1. T ak e off the ductwork in F reezer . 2. Disconnect the wire connector (Heater , Bimental, and Ther mistor). 3. Desolder the inlet and outlet tubes. 4. Remov e the e vaporator . 5. T ak e the same steps to seal the system as mentioned e[...]

14 1. Disconnect the pow er cord of the refrigerator . 2. Remov e the fix ed screws (6) of compressor cov er . 3. Slide up and take off the compressor co v er to see the machine compar tment. 4. Remov e scre w (2) on the co v er . When the solenoids receiv e a signal from the micro- processor , they supply w ater to the water dispenser or the ice m[...]

15 4. CIRCUIT DIA GRAM[...]

16 5. OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 5-1) PO WER 5-2) OSCILLA TION CIRCUIT T erminal Oscillation F requency  Vcc(DC 5V) << BLDC +12V(DC 12V) MICOM POWER AND SENSORS BLDC MOTOR POWER(NOT USE) RELAY,PANEL POWER ● When tur ned on, rectified A C v oltage which is stepped down on 2nd transf ormer flows between  and  at abou[...]

17 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 5-3) RESET CIRCUIT 5-4) EEPROM DETECTION CIRCUIT ● RESET Circuit allows the whole program to go bac k to the initial setting by initializing par ts such as the RAM in MICOM with the power supply into MICOM or with an instant pow er f ailure. Upon the power supply , the reset terminal voltage becomes [...]

18 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 5-5) DOOR SWITCH DETECT ON CIRCUIT 1) If R-Door is opened, the contact point of the door switch (4-3) becomes open, and the current of PCB line comes through R404 and R405 and provides 5 v olt which is recognized as door is opened, and tur n off the f an at diff erent load. When the door is closed, the[...]

19 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 5-6) TEMP SENSING CIRCUIT 1) Sensor uses a ther mistor which has a temp coefficient of negative resistance and controls resistance. When the heat goes up , the resistance gets down and vice v ersa. R302, 4, 6, 9 and C301~C303, C305 are par ts f or noise pre v ention but the y are not related to temp se[...]

20 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT  T emp to Resistance of Sensor & MICOM POR T V oltage Sensor CHIP : PX41C Standard T emp . -50 °F/-45.6 °C -49 °F/-45.0 °C -48 °F/-44.4 °C -47°F/-43.9 °C -46 °F/-43.3 °C -45 °F/-42.8 °C -44 °F/-42.2 °C -43°F/-41.7 °C -42°F/-41.1 °C -41°F/-40.6 °C -40°F/-40.0 °C -39°F/-39.4[...]

21 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 5-7) D AMPER CIRCUIT 5-8) DISPLA Y Cir cuit 1) The temperature of R-room is controlled by opening and closing of damper with stepping motor , supplying & bloc king cold air . 2) T A7774P (IC07) operates the damper . T A7774P is the driver IC only f or step motor . If the regular signal is provided [...]

22 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 2) DISPLA Y OPERA TION Like the signal diagr am below , Micom sends “ high ” signal through MICOM 6 ter minals of NO #1  2  3  4  5  6 f or 2ms e v er y 12ms. This signal goes to output ter minal via input ter minal of IC5 (KID65783AP or TD62783AP). Output wa v e alwa ys goes through[...]

23 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 5-9) Load Control Cir cuit 1) Main PCB processes most of the load control for electronic refrigerators. 2) Compressor , F-Room, defrost heater , and other functions are controlled with relay . 3) F or e xample, to operate compressor , MICOM 29 pin outputs high (5V) signal which goes into IC3 Pin #4. Th[...]

24 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 1) The ice maker circuit abo v e is to control the ice maker kit installed on the F room. 2) This circuit is the hardware to control ejection and hor iz ontal positioning, ice making temperature detection and full icing detection. T emperature detection circuit is the same as temperature detection circ[...]

25 OPERA TION PRINCIPLES BY P AR TS OF CIRCUIT 5-11) OPTION Circuit ● This circuit operates with the initial power on, uses DIODE (1N4148) or JUMPER WIRE. T o modify option circuit, P ower m ust be tur ned off bef ore modification and tur ned on after the modification. Ref er to the table belo w , the def ault f actor y values are highly recommen[...]

39 Appendix   (Ref erence f or cir cuit diagnostics) Ref .1) Measure Load T er minals LOAD TERMINALS PCB CASE V ALUE DEFECTS O THERS DISPENSER HEATER 1) DEFROST HEATER 2) ICE PIPE HEATER CN72  &  CN71  &  0   0   THERMAL FUSE, HEATER, WIRE SHORT THERMAL BIMETAL, HEATER, WIRE CUT HEATER, WIRE SHORT HEATER,[...]

40 Appendix   (Ref erence f or cir cuit diagnostics) LOAD RELA Y TERMINALS V ALUE WHEN IT IS DIFFERENT FR OM MEASURED V ALUE DEFROST / COMP OFF RY76 /RY75 SUPPLY VOLTAGE(SV) CN71  RY75 SV CN71  COMP ON RY76 /RY75 SV CN71  RY75 0V CN71  DEFROST CUBE & AUGER MOTOR OFF CUBE & AUGER MOTOR OPERATING WATE[...]

41 AD ELECTRONIC RS2 * 11 AD ELECTRONIC RS2 * 21 AD ELECTRONIC RS2 * 3 * RS2 * 11 RS2 * 21 RS2 * 31 RS2 * 30 DISPENSER LAMP 115V/60Hz 220V/50,60Hz DEF SENSOR F SENSOR R SENSOR AMBIENT SENSOR NO ITEM SPEC O THERS  The second par t D A41-xxxxx? of CODE f or MAIN PCB ASS ’ Y P AR T can be changed according to MICOM or Option change, so chec k it [...]

4 1. INTR ODUCTION   A newl y developed SAMSUNG side b y side refrigerator in 2004 has the following characteristics. 1) T win X AirFlow  Cool air circulates through side v ents on e very shelf le v el. This provides e v en distribution of cooling inside cabinets to keep y our f ood fresh longer . 2) Xtra Space TM  V er tical room ne xt[...]

5 2. INST ALLA TION 1) T o pr otect refrigerator in movement Use padded hand truck as shown. If entrance width is less than 39  , remov e doors prior to installation and reattach doors according to procedure below . 2) Remove all pr otective tape and pad in refrigerators. Connect water lines and po wer cord. Adjust the clearance between the door[...]

6 3. Nomenc lature 2004 Models R S 26 30 SW / XAA Product ; R-SAMSUNG REFRIGERA T OR B-OEM REFRIGERA T OR Capacity ; 25,26 cu. ft F amily ; S - SIDE BY SIDE (SBS) OPTION ; 30-BEST BUY 11,21,31 ; SAMSUNG COLOR ; WW -WHITE(PCM) SH-ST AINLESS PLA TINUM SW -SNO W WHITE Buyer Code: XAA, XA C , CUR Label Location[...]

Defrost Control F rom 6 to 11 hrs Defrost Ther mistor(502A T) 59  (off) Electrical Rating AC115V 60Hz 11.6 Amps Maximum Current Leakage 0.25 mA Maximum Ground P ath Resistance 0.1Ohm Energy Consumption kWh/mo . Bimetal 104  140  (off) Ambient T emper ature 70  90  Refrigerator ,  34  46 34  46 F reezer ,  -[...]

8 5. Interior Views and Dimensions 5-1) Shelves and Bins Freezer Xtra Space TM Ice Maker Door Bin Light Ice Chute Wire Shelf Drawers Front Leg Cover RS2511 ** / RS2611 ** RS2521 ** / RS2621 ** RS2531 ** / RS2631 ** Light Switch Dairy Compartment Egg Container Deli Bin Gallon Door Bins Vegetable & Fruit Drawer (upper) Vegetable & Fruit Drawe[...]

9 Interior Views and Dimensions 29.5 35.6 32.2 32.1 3.4 4.4 3.4 20.1 15.2 64.5 67.9 35.8 46.2 16.4 51.2 21.4 5-2) Dimensions of Refrigerator(RS26 ** ) (Inches)[...]

10 Interior Views and Dimensions 29.5 34.9 31.9 32.1 3 4.4 2.0 20.1 15.2 64.5 69.7 35.8 45.9 16.4 50.9 21.4 5-3) Dimensions of Refrigerator(RS25 ** ) (Inches)[...]

11 Compressor  Condenser  Hot Pipe  Dr y er  Capillary T ube  Evapor ator  Suction Pipe  Compressor Capillar y T ube Accumulator Ev aporator Suction Pipe Dr yer Muffler Condenser Hot Pipe Hot Pipe Compressor 6. Refrigeration Cycle and Cool Air Cir culation Route 6-1) Refrigerant Route in Refrig eration cyc le[...]

12 Refrigeration Cycle and Cool Air Cir culation Route 6-2) Cool Air Circulation Freezer Refrigerator[...]

13 7. Function & How- to-use By Pr oducts 7-1) DISPLA Y DESIGN RS2630SW/XAA (f or Best Buy) RS2531 ** /RS2631 ** RS2521 ** /RS2621 ** RS2511 ** /RS2611 **[...]

14 1) F reez er T emp Setting 1-1) With the initial power on, F reezer will be set at MID (-4 ° F/-20 ° C) and Refrigerator will be set at MID (37 ° F/3 ° C) automatically . At this time, the number of LEDs (1 ~ 5) lighting up on the displa y panel means intensity (MIN ~ MAX) of room control temperature (6.8 ~ -13 ° F/-14 ~ -25 ° C) and as th[...]

15 Function & How- to-use By Pr oducts ● When Child Lock Button on the front panel is pressed f or a cer tain per iod (3sec.), Child Lock LED gets on and all other buttons on the front panel e xcept f or Child Loc k Button do not operate. Also , Ice/W ater Dispensers do not work. (Displa y & all Ref functions will maintain the conditions [...]

16 ● Among the functions depending on P eripheral T emp, Comp Cooling F an (Comp Room F an) is controlled according to P eripheral T emp as follo ws. Theref ore, mak e sure to check the contents to ref er to during A/S because Cooling F an can operate or not according to conditions dur ing Comp operation. 1) Initialization (Restoration to the ini[...]

17 Function & How- to-use By Pr oducts 2) W ater Supply It is the mov ement to supply water on the ICE-TRA Y b y using the SOLENOID V AL VE after the completion of the ejection (Ejection after the completion of the nor mal ice making or that by the test mov ement) Considering cases with low hydr aulic pressure, when it is recognized as No W ate[...]

18 Function & How- to-use By Pr oducts 3) Ice Making It is until the water in the ICE-TRA Y after the completion of W ater Supply gets frozen completely and the ice making mov ement is completed b y the temp of the ice making temp pickup par t using the ice maker sensor (THERMIST OR). 3-1) After water is supplied to the ICE-TRA Y , check the te[...]

19 Function & How- to-use By Pr oducts 4) Ice Ejection It is the mov ement to separate the ice cubes from the ICE-TRA Y after the completion of ice making, which is conducted by the f ollo wing steps. Chec k the changes in status and time for the horizontal S/W (if it is used) and the ice le v el check S/W in parallel and then operate Ejection.[...]

20 Function & How- to-use By Pr oducts 4-3) Ejection Mov ement TIMING CHAR T 5) Ice T est It is necessar y f or the f orced operation f or the pur pose of the operation test, A/S, and cleaning, and when pressing the ICE TEST S/W f or a cer tain time per iod (more than 1.5 sec.), it goes into operation. 5-1) The TEST button will not be selected [...]

21 Function & How- to-use By Pr oducts 1) Button T OUCH 1-1) When selecting each button in the CONTR OL P ANEL, the v erification sound (Ding Dong) of input shall be heard. 1-2) In the case of pressing more than two KEYS at the same time or pressing the wrong button, the sound shall not be heard. 2) DOOR-OPEN 2-1) After passing 2 min. consecuti[...]

22 Function & How- to-use By Pr oducts Press f or 8 sec Press f or 8 sec Press f or 8 sec RS2531 ** /RS2631 ** RS2521 ** /RS2621 ** RS2511 ** /RS2611 ** 1) F orced Operation 1-1) When pressing TEST KEY once in TEST MODE, Forced Operation shall be selected and with BEEP sound, alar m will be operated. 1-2) If F orced Operation is selected, COMP [...]

23 Function & How- to-use By Pr oducts 2) F orced Defrost 2-1) When pressing TEST KET twice in TEST MODE, F reezer defrost will operate and BEEP sound alarm shall be heard. 2-2) BEEP sound alar m shall operate until the completion of HEA TING and pause. 2-3) With the selection of forced F reezer defrost, it will operate regardless of the point [...]

24 Function & How- to-use By Pr oducts ● If the temp of F reez er/Refrigerator increases more than (149 ° F/ 65 ° C) in Exhibition Mode , it will restore to nor mal operation mode . ● Contents of operation in Exhibition Mode DISPLA Y , F AN MO T OR, and DISPENSER will operate normally e xcept f or Comp . and C-F AN. 7-13) SELF-DIA GNOSIS [...]

25 Function & How- to-use By Pr oducts 1) Self-diagnosis with initial POWER ON 1-1) With PO WER ON, it shall diagnose the status of temp SENSOR in a minute in MICOM inter nally for itself . 1-2) If inf erior sensor is found after self-diagnosis, corresponding DISPLA Y LED will be all off at the inter val of 0.5 sec. and there will be no sound w[...]

26 1) When pressing “ ICE TYPE ” and “ FIL TER RESET(LIGHT) ” KEYS sim ultaneously f or 6 sec. in normal operation, the indicators of temp set in F reez er/Refrigerator will all ON/OFF f or 2 sec. at the interval of 0.5 sec. At this point, when pressing T emp Set K e y in Refrigerator while canceling “ ICE TYPE ” and “ FIL TER RESET(L[...]

27 ● When the F-Room T emp Setting b utton and the Filter Reset button or the Lighting button are pressed f or 12 seconds continuously ,the displa y will be conv er ted to the option setting mode. 7-15) OPTION SETTING NO ITEMS DISPLAY LED PROBLEM 01 02 03 04 05 06 07 08 09 Damper Condition for over load Condition for low temp COMP Freezer Defrost[...]

28 1) F or e xample,,if y ou want to shift the Refrigerator STD temp by (34.7 ° F/1.5 ° C), proceed the following. It is to shift the standard temperature.The F-Room standard temp is 3 ° C(MID).When it is shifted (34.7 ° F/1.5 ° C) b y using the option,the standard temp will be set to (40.1 ° F/4.5 ° C) i.e .when the temp option is changed, [...]

29 Function & How- to-use By Pr oducts APP .EX)T O DECREASE FREEZER ST AND ARD TEMP BY (-5.4 ° F/-3 ° C). Option Setting (6:(-5.4 ° F/-3 ° C)) Option CA TE. (0:F reez er Standard T emp) 1-3) If you set "10"as sho wn in the F reez er option table belo w after setting "1"to the OPTION CA TEGOR Y ,the Refrigerator standard [...]

30 Function & How- to-use By Pr oducts APP .EX) T O INCREASE REFRIGERA TOR ST AND ARD TEMP BY (2.7 ° F/1.5 ° C) APP .EX) T O INCREASE REFRIGERA TOR ST AND ARD TEMP BY (2.7 ° F/1.5 ° C) Option Setting (10: 2.7 ° F/1.5 ° C) Option Cate (1:Refrigerator Standard T emp) Value- Value+ V1 V2 V3 V4 Item+ I1 I2 I3 I4 I5 Item- Option Setting (10: 2[...]

31 Function & How- to-use By Pr oducts APP .EX) T O INCREASE REFRIGERA T OR ST AND ARD TEMP BY (2.7 ° F/1.5 ° C) Value- Value+ V1 V2 V3 V4 I1 I2 Item+ I3 I4 I5 Item- APP .EX)T O LO WER FREEZER ST ANDARD TEMP BY (-5.4 ° F/-3 ° C). RS2511 ** /RS2611 ** RS2511 ** /RS2611 ** Option Setting (6:(-5.4 ° F/-3 ° C)) Option CA TE. (0:F reez er Stan[...]

32 Function & How- to-use By Pr oducts Note) With the F reez er button and the Lighting b utton, additional options can be set. But, those are rele vant not to the A/S b ut to the ref .control function. So , those options are skipped. (Do not change any other options e xcept the abov e options .) 1) FREEZER TEMP SHIFT T ABLE(  : RELEV ANT LE[...]

33 Check assembly of wires and do repairing 8. Diagnostics 8-1) When power is not supplied 1. Check if po wer is supplied at Concent and P o wer Cord is connected properly before repair 2. Check b y ref erring to the f ollowings . Is Power of primery DC -TRANS applied? Star t NO Change DC-TRANS Is Power of secondary DC - TRANS applied? NO PCB. REG1[...]

1) Ambient Sensor trouble => (applied to Ambient Sensor T emp type) 34 Diagnostics 8-2) When there is a tr ouble with Self Dia gnosis Change Ambient Sensor Is Ambient Sensor normal? (PANEL PCB) Star t NO YES Connector contact trouble /re-insertion Is MAIN PCB (CN31) insertion normal? NO YES Short between connector Sensors Is the connection wire [...]

35 Diagnostics Change Temp Sensor Is Freezer Temp Sensor normal? Star t NO YES Connector contact trouble /re-insertion Is the insertion of MAIN PCB connector(CN30) normal? NO YES Short between connector Sensors Is the connection between MAIN PCB connector(CN30) and Temp Sensor(yellow) normal? NO YES Check soldering fault,short, Lead Touch Is MICOM [...]

36 Run Forced Operation Diagnostics 8-3) When COMP does not operat 1. If it doesnotpass5 min after a desired T emp reached, COMP does not oper ate. 2. During Defrost, COMP does not operate. 3. With the disconnected F reez er Sensor or Refrigerator Sensor , COMP does not operate because MAIN PCB picks up theT emp as a desired le v el. Is Forced Oper[...]

37 MICOM voltage DOOR OPEN : 5V DOOR CLOSE : 0V Diagnostics 8-4) When F AN & D AMPER does not operate "Check out the F-F AN with the F orced Operation selected" 1. F reez er F AN, Refr igerator D AMPER and COMP COOLING F AN remains off while COMP is tur ned off . 2. When Comp is ON, Damper does not alwa ys remain ON (including F orced[...]

38 Diagnostics MICOM voltage DOOR OPEN : 5V DOOR CLOSE : 0V MICOM voltage 0  V alteration 2) When Refrigerator D AMPER does not operate Forced Operation/ Temp Increase Is DAMPER in operating conditions? Star t NO YES DAMPER is normal Does DAMPER operates with DOOR S/W pressed? YES NO Change DOOR S/W Is DOOR S/W normal? NO YES Check soldering/ Ch[...]

39 Diagnostics Operate Forced Operation Is COMP operating? Star t NO Stand by for FAN ON condition Confirm FAN operating condition Is it COMP COOLING FAN ON condition? NO Check soldering / Change PCB Is MICOM Pin #31 "HIGH"(5V)? NO Check soldering / Change PCB Is IC3 #17 "LOW"? NO Check Relay / Change PCB Is RELAY(RY77) normal? [...]

40 COMMON RELAY RY71 Defrost Heater RY72 RELAY CHECK REFERANCE Diagnostics 8-5) When Defr ost does not operate 1. With a shor ted-out Defrost Sensor , the fridge operates normally excepting Defrost(The f ault can be pic k ed up with self-diagnosis, PO WER ON/OFF). 2. There will be Heating trouble with a shorted-out T emp FUSE, which contributes to [...]

41 Diagnostics Concerned Sensor resistance measurement (Appendix TABLE) Concerned Sensor resistance measurement (Appendix TABLE) Normal Does the Function return to the normal after Heating ? YES NO Change concerned Sensor Is each concerned Defrost Sensor Temp higher than the terminated Temp? Is the input voltage of MICOM #9 higher than the voltage [...]

42 MICOM Voltage #49; F-Room, #50; R-Room DOOR OPEN : 5V DOOR CLOSE : 0V Diagnostics 8-6) When Alarm Sound continues without stop 1. When Door gets open, Door Open alar m ("Ding Dong") goes off in 2 minutes with Door opened.When Door remains open after this, the alarm goes off ev ery minute. 2. When Door Switch is not pressed well, MICOM [...]

43 Diagnostics 1. "Beep-Beep" sounds do not go off e xcept F orced Operation & F orced Defrost. 2. It is checckab leatP anel PCB when Forced Oper ation or F orced Defrost is selected, so when error occurs, check it andcorrect theerror . Note Re-insert Connector, Check contacts Is Connector of Upper Hinge Cover inserted well? Star t NO[...]

44 Diagnostics 8-7) When Room Lamp does not light up 1. Because Room Lamp is basically controled with Door Switch, PCB does not control it. 1) When F reez er/Refrigerator Lamps do not light up Star t Check wires again Note DOOR OPEN Is DOOR OPEN? YES NO Change DOOR SWITCH Is DOOR SWITCH normal? YES NO Change LAMP Is Room LAMP(R,F) normal? YES NO[...]

45 Star t Diagnostics 8-8) Dispenser Lamp Malfunction 1. Long ter m LED Shor t when e xchanging ma y result in the malfunction of PCB since Dispenser Lamp is high brightness LED . 2. When changing the PCB , the power m ust be tur ned off . Reconfirm connection wire and Lamp PCB repair/change Note Ice & water S/W push handle repair/change Is ice[...]

46 Diagnostics 8-9) When W ater V alve Does Not Operate 1. While disassemb ling, make sure to cut off w ater since the water v alv e is directly connected with w ater . 2.Makesure toa v oidthe electricshock while disassemb ling because one end of wire is applied with pow er . 3.Check oper ation of water v alv e only after the w ater s witch is pres[...]

47 Diagnostics 8-10) When Crush (Crushed Ice ) & Cube (Cubed Ice) does not operate well Does Ice come out when extracting Ice? Is ice in Ice Box? Is Ice Stop selected in Ice Selection? Star t  Check sharp-bent/ close Water Supply Hose  Check water supply part for ICE, Check Solenoid  Check ICE-MAKER wires  Check Ice Extraction S/W ?[...]

272, Oseon-Dong, Kwangsan-Gu, Kwangju-City, Korea, 506-253 TEL : 82-62-950-6810, 6811 FAX : 82-62-950-6829 © Samsung Electronics Co., Ltd. Refrigerator Division 2004. 7 Printed in Korea Code : DA68-01369A - This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Internation[...]