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Kenmore RFP74KB Series Service Manual
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Kenmore RFP74KB Series Service Manual

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REFRIGERATOR
SERVICE MANUAL
CAUTION
BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
Model/Modelo: 111.7302****
* Color number, número de color
BLACK SUS
√ Caution
In this manual, some parts can be changed for improving their performance without notice. So, If you need the latest parts
information, please visit and refer to PPL (Parts Price List) in Service Information Center.(http://webportal.winiadaewoo.com/sic)
SUS
BLACK PCM
S/M No. RFP7402000
WHITE PCM
July .2020

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  • Page 1 S/M No. RFP7402000 REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL. Model/Modelo: 111.7302**** * Color number, número de color BLACK SUS BLACK PCM WHITE PCM √ Caution In this manual, some parts can be changed for improving their performance without notice. So, If you need the latest parts information, please visit and refer to PPL (Parts Price List) in Service Information Center.(http://webportal.winiadaewoo.com/sic) July .2020...

  • Page 2: Table Of Contents

    Content …………………..4 1. Warnings and 9-7. Dews on Refrigerator Compartment ... 34 Precautions for Safety 9-8. Comp. Operation Noise ……………... 35 2. Specifications ……………………..…... 5 9-9. Refrigerant Flow Sound ……………... 36 ………………...…..7 3. Sensor / Voltage 9-10. Fan Noise ………………….………... 38 4.
  • Page 3 Content 12. Service Part List ……………….………..….. 54 12-1. Cabinet ………………..….. 55 12-2. Machine Room ……………………..…..….. 56 12-3. F-Room 12-4. R-Room ……………………..…..….. 57 ………………….……...….. 58 12-5. R-Door & Handles ………………. 59 12-6. F-Door ※ Refer to user manual for installation Document History Version Date Author...

  • Page 4: Warnings And

    1. Warnings and Precautions for Safety Please observe the following safety precautions in order to use safely and correctly the refrigerator and to prevent accident and danger during repair. 1. Be care of an electric shock. Disconnect power cord from wall outlet and wait for more than three minutes before replacing PCB parts.

  • Page 5: Specifications

    2. Specifications Item Specification Model Name RFP74KB* (111.7302****) Total 26.1 ft Gross Volume Freezer 7.8 ft (Li) Refrigerator 18.3 ft External Dimension 35.98 inch * 69.81 inch * 33.79 inch (w/o Handle) (Width * Depth * Height) Rated Voltage 115~120V (60Hz) Weight 145kg Model...
  • Page 6 2. Specifications Item Specification Model Name RFP74KB* (111.7302****) Defrost A3J-41A Freezer A3R-32D Refrigerator A3J-41A Ice Maker A3R-35D A3J-41A Sheath F AS 200W / 115V Sheath R AS 200W / 120V R Motor AS(In URT) 10W / 115V R Motor AS(Behind EVA) R Return Duct AS 7W / 115V W/Tank AS...

  • Page 7: Sensor / Voltage

    3. Sensor / Voltage R,F Defrost, R Defrost, RT S ENS O R Temp( ℉) Temp( ℉) Temp( ℃) Resistance( kΩ) DC Volts Temp( ℃) Resistance( kΩ) DC Volts -22.0 -30.0 129.30 4.02 32.9 29.34 2.42 -21.1 -29.5 125.90 4.00 33.8 28.71 2.39...
  • Page 8 3. Sensor / Voltage F, Icemaker S ensor Temp( ℉) Temp( ℉) Temp( ℃) Resistance( kΩ) DC Volts Temp( ℃) Resistance( kΩ) DC Volts -22.0 -30.0 39.652 3.04 32.9 7.692 1.16 -21.1 -29.5 38.495 3.01 33.8 7.508 1.14 -20.2 -29.0 37.375 2.97 34.7...

  • Page 9: External Dimensions

    4. External Dimensions To avoid risk of electrical shock that can cause death or severe personal injury, 9 / 59 WARNING disconnect unit from power before servicing unless tests require power.

  • Page 10: Features

    5. Features 5-1. Name of Each Parts REFRIGERATOR COMPARMENT FREEZER COMPARTMENT 1. SHELF R SM 6. POCKET GALLON 10. FREEZER LAMP 2. REFRIGERATOR LAMP 7. CASE VEGETABLE 11. CASE F DRAW 3. DISPLAY 8. CASE WIDE 12. CASE F 4. POCKET DAIRY 9.
  • Page 11 5. Features 5-2. Refrigerator Compartment R SENSOR R DR *R SWITCH R DR *L SWITCH R LAMP FRONT CONTROL PANEL CASE WIDE CASE VEGETABLE To avoid risk of electrical shock that can cause death or severe personal injury, 11 / 59 WARNING disconnect unit from power before servicing unless tests require power.
  • Page 12 5. Features 5-3. Freezer Compartment F DRAW CASE F CASE CASE ICE R D SENSOR F TEMP FUSE R FAN F D SENSOR ICE MAKER R TEMP FUSE F FAN F LAMP F SENSOR F DR SWITCH F DEFROST HEATER R DEFROST HEATER EVAPORATOR...
  • Page 13 5. Features 5-4. Automatic Ice Maker Compartment AUTOMATIC ICE FAN COVER MAKER ICE MAKER LEVER ICE SENSOR 5-6. Machine Compartment POWER CORD FLOW SENSOR COMPRESSOR RELAY CLAMP TRAY DRIP DRYER & RELAY C FAN MOTOR WATER VALVE CONDENSER To avoid risk of electrical shock that can cause death or severe personal injury, 13 / 59 WARNING disconnect unit from power before servicing unless tests require power.

  • Page 14: Flow Diagram

    6. Flow Diagram 6-1. Cold Air Circulation Refrigerator Compartment Freezer Compartment To avoid risk of electrical shock that can cause death or severe personal injury, 14 / 59 WARNING disconnect unit from power before servicing unless tests require power.
  • Page 15 6. Flow Diagram 6-2. Refrigerant Flow and Welding Point ▶ Welding Point Copper Welding (Ag 5%) 7 Points Lokring 3 Points ▶ Flow of Refrigeration Cycle High To avoid risk of electrical shock that can cause death or severe personal injury, 15 / 59 WARNING disconnect unit from power before servicing unless tests require power.

  • Page 16: Wiring Diagram

    7. Wiring Diagram To avoid risk of electrical shock that can cause death or severe personal injury, 16 / 59 WARNING disconnect unit from power before servicing unless tests require power.

  • Page 17: Operation And Function

    8. Operation and Functions 8-1. Display INPUT CONTROL OBJECT Front PCB button Freezer Set Fridge Set FCP C-LED Ice Maker Door Alarm CONTENTS REMARKS Accela Chill Accela Chill Temperature adjustment button Temperature adjustment button for freezer compartment. for Refrigerator compartment. Ice Maker Door Alarm 1.
  • Page 18 8. Operation and Functions CONTENTS REMARKS 3. “Refrigerator ” button. 1) Temperature control of Refrigerator compartment 2) 8 step mode of successive temperature mode. 3) Initial mode by power input : 37 ℉ ※Whenever Touch button, setting is repeated in the order of (37℉) →...

  • Page 19: Defrost Mode

    8. Operation and Functions 8-2. Defrost Mode INPUT CONTROL OBJECT 1. Comp 2. F/R/C Fan 1. Defrosting Cycle 3. FD/RD Heater CONTENTS REMARKS 1. Defrost Mode Heater Heater Defrosting Defrosting 1) Comp, F/R/C Fan : OFF R Damper : CLOSE FD/RD Heater : ON Pause Pause...

  • Page 20: Forced Defrosting Mode

    8. Operation and Functions 8-3. Forced Defrosting Mode INPUT CONTROL OBJECT 1. Comp 2. F/R/C Fan 1. Defrosting Cycle 3. FD/RD Heater CONTENTS REMARKS 1. A/S Defrosting Mode (Heater defrost → Pause → Fan Delay) Heater Heater Defrosting Defrosting 1) Comp, F/R/C Fan : OFF R Damper : CLOSE FD/RD-Heater : ON Pause...

  • Page 21: Dv Heater

    8. Operation and Functions 8-5. DV Heater INPUT CONTROL OBJECT DV Heater 1. R-Dial 2. RT-Sensor CONTENTS REMARKS 1. The heater On/Off time accordance with R Dial Fridge set 33℉ 35℉ 37℉ 39℉ 41℉ 43℉ 45℉ Working DV Heater Rate 30/10 28/12 25/15...

  • Page 22: Control Of Interior Light

    8. Operation and Functions 8-8. Control of Interior Lights INPUT CONTROL OBJECT 1. Refrigerator door switch F/R Lamp 2. Freezer door switch CONTENTS REMARKS 1. Control Refrigerator Compartment Lights. R-Lights turn ON/OFF by R-door switch ON/OFF (※ For 20 minutes after sensing door open, the lights turn off automatically through door close is not sensed.) 2.

  • Page 23: Compensation Of R-Sensor On/Off Temp

    8. Operation and Functions 8-10. Compensation of R-sensor ON/OFF Temp. INPUT CONTROL OBJECT Resistance of R-sensor Main PCB ON/OFF Temp. of Refrigerator CONTENTS REMARKS Compensation of R-sensor ON/OFF temp. (Max 3℃ down) In case temperature of refrigerator compartment is weak or insufficient, take the following action.

  • Page 24: Error Display

    8. Operation and Functions 8-11. Error Display INPUT CONTROL OBJECT Temperature Control Buttons 88 Display CLED CONTENTS REMARKS 1. How to start 1) Press “Ice maker” button 5 times while touch “Freezer” button at the same time. 2) The front F-LED(or C-LED) displays as the right diagram shows ( [Ex.] Time Display of 0003 signifies 3 minutes of power on time.) 3) Press “Freezer Set”...
  • Page 25 8. Operation and Functions CONTENTS REMARKS 5. Control way of Error (if any) 1) “F1” error Cause : F-sensor disconnection or short Check point : Measure the resistance between both terminals after separating CN14 of the Main PCB. If F-sensor is disconnected or shorted , change the F-sensor in the freezer compartment. How to reset : If F-sensor is normal, the error is terminal temperature.
  • Page 26 8. Operation and Functions CONTENTS REMARKS 8) “C1” error Cause : in case comp. works for over 3 hours when FD-S or RD-S temp. is over 23 ℉ Check point : Refrigerant leakage. 9) Door error (“dF” “dR” on display) Cause : in case it senses that door is open for more than 1 hour.

  • Page 27: Summary Of Function

    8. Operation and Functions 8-12. Summary of Function INPUT CONTROL OBJECT Each button CONTENTS REMARKS 1. Element A/S Function “Freezer set + Refrigerator set ” button for 5 seconds Temp Display change “Refrigerator” + “Alarm” 5 times Forced Defrosting “Ice maker” + “Refrigerator” + “Alarm” 5 times Demo function “Refrigerator”...

  • Page 28: How To Service

    9. How To Service 9-1. Faulty Start (F/R lights OFF , F-PCB Power OFF) Start Power input to Main PCB is ok? Check power connection from machine compartment to CN1 of Main PCB. Main PCB Fuse is disconnected? Change the fuse (AC250V 4A) (on the Main PCB) Voltage...

  • Page 29: Freezing Failure

    9. How To Service 9-2. Freezing failure . (Foods are not frozen / cold.) Start Any error code on Front PCB? Refer to error display in operation and function Does Comp. work? OLP/PTC is OK? Change the Comp. Change OLP/PTC Change the F-Fan &...

  • Page 30: Ice Formation On F-Louver

    9. How To Service 9-3. Ice Formation on F-Louver Start Dews are formed on the Gasket has a gap Remove the gap. gasket surface inside between cabinet ? F-compartment ? Door is hanged Reassemble the door. down ? Door is open and closed too frequently ? Explain not to open doors too frequently.

  • Page 31: Disconnection / Breaking

    9. How To Service 9-4. Disconnection / Breaking of Freezer Lights Ass’y Start Power of F-Lamp Is OK ? (DC12V) Check the power connection? (From Main PCB to F-Lamp) Freezer Lamp Ass’y Is brocken? Change the Lamp Ass’y. Connection of F door switch is OK ? Repair the F-door switch.

  • Page 32: Refrigeration Failure

    9. How To Service 9-5. Refrigeration failure (Foods does not get cool or cold soon.) Start ※ Refer to the Error Display Any error mode on Front PCB? Solve error code problem, if any. Change R-Fan R-Fan motor the R-Fan motor. works ok ? is ok? Wiring connection...

  • Page 33: Disconnection / Breaking

    9. How To Service 9-6. Disconnection / Breaking of Refrigerator Lights Wires Start Power of F-Lamp Is OK ? (DC12V) Check the power connection? (From Main PCB to R-Lamp) R Lamp Ass’y Is brocken? Change the Lamp Ass’y. Connection of R door switch is OK ? Repair the R-door switch.

  • Page 34: Dews On Refrigerator Compartment

    9. How To Service 9-7. Dews on Refrigerator Compartment Start Dews are formed Gasket has on the gasket inside Repair to eliminate the gap. Any gap ? R-compartment? Door is Reassemble the doors. hanged down ? Door is open too long ? Explain not to open doors too long.

  • Page 35: Comp. Operation Noise

    9. How To Service 9-8. Comp. operation Noise Start Refrigerator is leveled ? Level the refrigerator by adjusting wheels. ☞ Refer to User’s Guide and SVC Manual. Front cover or door gasket is assembled wrong ? Set it right. Rubber absorber comp is distorted or aged ? Change the Rubber absorber.

  • Page 36: Refrigerant Flow Sound

    9. How To Service 9-9. Refrigerant Flow Sound Start Water flowing or hiss sounds from the refrigerator ? Attach an absorber gum on the capillary tube. Refrigerant sound of hiss or sizzling sound when comp. starts ? Apply a gum on the accumulator.
  • Page 37 Troubleshooting of Evaporator Sound 1. Hiss Sound from Capillary Tube 1) “I” tube is used to connect the “I” tube capillary tube and evaporator. (2 welding points : ①, ②) 2) When such a sound is made, attach a absorber on the tube including 2 welding points.

  • Page 38: Fan Noise

    9. How To Service 9-10. Fan Noise Start Fan is damaged or transformed ? Change the fan. Fan is touching the surround ? Set it right not to touch. Fan-motor assembly is moving or shaking ? Set it right not to move. Motor has its own noise or vibration when working ? Change the motor...

  • Page 39: Pipe Noise

    9. How To Service 9-11. Pipe Noise Start Pipes are touching in the machine compartment ? Separate the touching pipes, if any. Tray drip makes noise by Condenser shaking ? Apply cushion material between Comp. base and Tray drip. Pipe itself is shaking much ? Move or change the points of vibration absorber rubbers on...

  • Page 40: Door Opening Alarm Continues

    9. How To Service 9-12. Door Opening Alarm Continues though the door is closed. Start Check if F & R Lamp is ON. Door switch is pushed well ? Attach a thin pad on the door liner or change the door assembly.

  • Page 41: Disassemble/Assemble Procedures

    10. Disassemble/Assemble Procedures 10-1. F Door As (1) Remove foods. (2) Remove F Draw Case & F Case in freezer compartment. Pull up F Draw Case and remove Push lock(both side) and pull forward F Door and Pull up F Case remove F Door AS and remove (3) Assembling F Door procedure...

  • Page 42: F Louver As

    10. Disassemble/Assemble Procedures 10-2. F Louver AS * Remove Screws (2ea) of F-Louver A. * Pull forward top of F Louver. * Remove the screw cap (2ea) on the F-Louver A with a flat tip driver. * Disassemble housing * Separate F Louver AS. 10-3.

  • Page 43: R Fan As

    10. Disassemble/Assemble Procedures 10-4. R Fan AS * Remove screws(3ea) of Fixture R * Remove Housing R Fan AS. Motor B. * Pull forward R Fan AS. * Separate R Fan AS. 10-5. EVA AS Screw of EVA R Defrost Heater & Temp Fuse R Defrost Sensor F Defrost Heater &...

  • Page 44: R Door As

    10. Disassemble/Assemble Procedures 10-6. R Door As * Disconnect housing * Remove Screws (1ea) of clip and remove the clip. * Remove Bolt(1ea) of Hinge *T and remove the Hinge *T. * Pull up the door and remove the door. 10-7.
  • Page 45 10. Disassemble/Assemble Procedures 10-7. Cover Multi-Duct As (continue) Insulator C * Separate Cover Multi Duct with Insulator. * Remove tape. * Separate Insulator C. * Separate Insulator D. * Sensor for R Room. To avoid risk of electrical shock that can cause death or severe personal injury, 45 / 59 WARNING disconnect unit from power before servicing unless tests require power.

  • Page 46: Icemaker As

    10. Disassemble/Assemble Procedures 10-8. Icemaker As 1) Disassembling Procedure DISASSEMBLING PROCEDURE DISASSEMBLING PROCEDURE ▷Remove the upper case in freezer ▷Disconnect housing ▷ Loosen 2 screws at the icemaker 2) How to check Icemaker Parts How to check Criterion ▷ GOOD : Ice Tray Motor begin to torque, Icemaker when pushing the test button for 3 seconds.

  • Page 47: Icemaker & Hose Ice Maker Tube As

    10. Disassemble/Assemble Procedures 10-9. Icemaker & Hose Ice Maker Tube 1) Disassembling Procedure DISASSEMBLING PROCEDURE DISASSEMBLING PROCEDURE ▷Loosen 2 screws at the icemaker in freezer ▷Remove 1 screw at the Cove Guide Cab W/Tube A. ▷ Pull forward Ice Maker ▷Disassemble Cover Guide Cab W/Tube A ▷Disconnect housing on the backside ▷Pull forward Hose Ice Maker Tube As.

  • Page 48: Main Pcb

    10. Disassemble/Assemble Procedures 10-10. Main PCB ■ Model : 111.7302**** MICOM Item Check Point Remark Compensation for * Used when making R-temp. down weak refrigeration to compensate for weak refrigeration →Making R-temp without changing FCP temp. setting. ※Cutting of J1 ⇒ down by 1.5 ℃ cooler ※Cutting of J1, J2 ⇒...

  • Page 49: Cooling Cycle Heavy Repair

    11. Cooling Cycle Heavy Repair 11-1. Summary of Heavy Repair Process Contents Tools Remove * Cut charging pipe ends (Comp. & Dryer) and refrigerant * Nipper, side cutters discharge refrigerant from dryer and compressor. Residuals * Confirm refrigerant (R-134a or R-600a) and oil for compressor and dryer.

  • Page 50: Precautions During Heavy Repair

    11. Cooling Cycle Heavy Repair 11-2. Precautions During Heavy Repair Items Precautions Use of tools. 1) Use special parts and tools for R-134a or R-600a 1) Remove retained refrigerant more than 5 minutes after turning off a refrigerator. (If not, oil will leak inside.) Removal of retained 2) Remove retained refrigerant by cutting first high pressure side refrigerant.

  • Page 51: Practical Work For Heavy Repair

    11. Cooling Cycle Heavy Repair 11-3. Practical Work for Heavy Repair Items Precautions 1. Removal of residual refrigerant. 1) Remove residual refrigerant more than 5 minutes later after turning off the refrigerator. ( If not, compressor oil may leak inside.) 2) Remove retained refrigerant slowly by cutting first high pressure side (dryer part) with a nipper and then cut low pressure side.
  • Page 52 11. Cooling Cycle Heavy Repair Items Precautions * Pipe Connection Connect a red hose to the high pressure side and a blue hose 3.Vacuum degassing. to the low pressure side. * Vacuum Sequence Open ①,② valves and evacuate for 40 minutes. Close valve ①.

  • Page 53: Standard Regulations

    11. Cooling Cycle Heavy Repair Items Precautions • 4) Refrigerant Charging 4.Refrigerant charging. • Charge refrigerant while operating a compressor as shown above. • 5) Pinch a charging pipe with a pinch-off pliers after completion of charging. • 6) Lokring the end of a pinched charging pipe with Lokring and take a gas...

  • Page 54: Cabinet

    CABINET Q'ty PART-CODE PART NAME SPEC. SVC PART RFP74KBTJ* RFP74KBWC* RFP74KBBC* RFP74KBBJ* ASSY CAB PRE RFP74KB 30126-0031200-00 HANDLE CAB COVR *L PP(M/B) 30126-0031700-00 HANDLE CAB COVR *R PP(M/B) 40301-0248700-00 REF PCB MAIN ASSY RFP74KB 30114-0020500-03 COVER M/PCB BOX AS RFS-702ETU 30132-0005300-01 HOSE I/MAKER TUBE AS PIPE+HTR 120V 5.5W+SEAL...

  • Page 55: Machine Room

    MACHINE ROOM Q'ty PART-CODE PART NAME SPEC. SVC PART RFP74KBTJ* RFP74KBWC* RFP74KBBC* RFP74KBBJ* 30103-0013700-01 BASE COMP AS RFS-701DTU 3010101480 ABSORBER COMP AS NBR (SPRING TYPE) 60110-0027600-00 COMPRESSOR CMA110NHUM LG R600a 115~127 60 3016002500 SPECIAL WASHER COMP SK-5 T0.8XW22XL24.5 60181-0016600-00 SWITCH P RELAY AS 4TM314RHB, LPC322D-01 60131-0016800-00 RELAY STARTING...

  • Page 56: F-Room

    F-ROOM Q'ty PART-CODE PART NAME SPEC. SVC PART RFP74KBTJ* RFP74KBWC* RFP74KBBC* RFP74KBBJ* 30120-0030100-00 FIXTURE R MOTR A2 AS RFP74KB 60118-0001200-01 OD100,SHAFT OD3.17 60101-0007500-00 ABSORBER FIXR MOTR SILICON 45 RFP74KB 30120-0029900-01 FIXTURE R MOTR A2 PP(GF30) RFP74KB 3015924900 MOTOR R FAN D4612AAA36/DC 13V 3010107100 ABSORBER F MOTR...

  • Page 57: R-Room

    R-ROOM Q'ty PART-CODE PART NAME SPEC. SVC PART RFP74KBTJ* RFP74KBWC* RFP74KBBC* RFP74KBBJ* 40301-0056001-00 REF PCB SUB ASSY 9-LED,VERTICAL HOUSING 30155-0028100-00 WINDOW R LED GPPS 30125-0010600-01 GUIDE R DV 30114-0020606-00 COVER M/FLOW DUCT AS RFP70KD* 3013379900 INSU MULTI DUCT A1 F-PS 3013380000 INSU MULTI DUCT A2 F-PS...

  • Page 58: R-Door & Handles

    R DOOR & HANDLES Q'ty PART-CODE PART NAME SPEC. SVC PART RFP74KBTJ* RFP74KBWC* RFP74KBBC* RFP74KBBJ* Refrigerator Door (Left) Refrigerator Door (Right) 30100-0227500-02 ASSY R DR *L SUS430J1L (SUA4S) RFP74KB 30100-0227501-02 WHITE PCM (DWH1C) RFP74KB 30100-0227502-02 BLACK PCM (BLH1C) RFP74KB 30100-0227506-00 BLACK SUS(BUA8S) RFP74KB 30123-0005200-02 GASKET R DR *L AS...

  • Page 59: F-Door

    F DOOR Q'ty PART-CODE PART NAME SPEC. SVC PART RFP74KBTJ* RFP74KBWC* RFP74KBBC* RFP74KBBJ* Refrigerator Door (Left) Refrigerator Door (Right) 30100-0039009-07 ASSY F DR SUS430J1L (SUA4S) 30100-0039013-03 WHITE PCM (DWH1C) 30100-0039014-03 BLACK PCM (BLH1C) 30100-0039017-04 BLACK SUS (BUA8S) 30123-0005100-01 GASKET F DR AS PVC-SILVER 30123-0005101-01 PVC-BLACK...

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