Samsung RL23DATS Service Manual
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Samsung RL23DATS Service Manual

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Table of Contents

SERVICE
SERVICE
Electric Refrigerator
C
C
MODEL:
RL23DATS
RL25DATS
RL28DATS
MANUAL
MANUAL
CONTENTS
RL23DATW
RL25DATW
RL28DATW
10
12
14
21
24
1
2
3
4
5
6

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Summary of Contents for Samsung RL23DATS

  • Page 1: Table Of Contents

    MODEL: RL23DATS RL23DATW RL25DATS RL25DATW RL28DATS RL28DATW SERVICE SERVICE MANUAL MANUAL Electric Refrigerator CONTENTS PREVENTIVE ACTIONS PRODUCT SPECIFICATIONS ELECTRIC & COOLING PART SPEC. & CRITERION STRUCTURE COOLING SYSTEM CYCLE WORKFLOW DIAGRAM CIRCUIT WORKING PRINCIPLE & TEST METHOD OF KEY PARTS 7 TROUBLE ANLYSIS &...

  • Page 2: Preventive Actions

    1. PREVENTIVE ACTIONS 1-1 Safety Precautions Only qualified technicians who have full command and knowledge of the cooling system and safety inspection are allowed to deliver the maintenance service as specified on the manual. Please be sure to keep the work place ventilated and safe as this product adopts the combustible and explosive R600a refrigerant.

  • Page 3: Product Specifications

    2. PRODUCT SPECIFICATION Polyurethane foam (141B) 1 (Refrigerating compartment) 2 (Rear) 2 (Head)

  • Page 4: Electric & Cooling Part Spec. & Criterion

    3. SPEC. AND CRITERION OF ELECTRIC & COOLING PARTS Item SPEC Model Power AC 220V/50Hz Model GQS70AA Compressor ESTER OIL Lube Evaporator SILK PIPE Built-in Condenser Molecular sieve Drying filter ID 0.72 L2800mm Capillary Sensor 502AT Freeze Temp. Refrigerating Sensor 502AT Control Deputy evap Sensor 502AT...

  • Page 5: Structure

    4. STRUCTURE 4-1 Product size Unit:mm CODE MODEL 616.5 1528 1188 RL23DAT* 698.4 42.7 1570 368.5 766.4 42.7 RL25DAT* 854.4 616.5 1188 1658 1616 368.5 698.4 368.5 1188 1770 766.4 898.4 42.7 1728 RL28DAT* 616.5...

  • Page 6: Cooling System Cycle Workflow

    5. COOLING SYSTEM CYCLE WORKFOLW HOT-PIPE EVAP-REF,ASS'Y PIPE CONDENSER,R ACCUMULATOR R CAPILARY F CAPILARY PIPE CLUSTER,L EVAP-FRE ASS'Y PIPE-DISCHARGE ASSY VALVE BISTABLE COMPRESSOR DRYER PIPE-SUCT CONNECT silver welding rod soldering silver welding rod soldering flash soldering (aluminium/braze)

  • Page 7: Diagram Circuit

    6. DIAGRAM CIRCUIT PANEL PCB AC220-240V~/50Hz Y/GRN FAN MOTOR TRANSFORMER EARTH REF-SENSOR LAMP W/BLK R-EVAP SENSOR BRN-BROWN GRY-GRAY VALVE-BISTABLE BLU-BLUE BLK-BLACK F-SENSOR WHT-WHITE COMPRESSOR YEL-YELLOW CAPACTIOR Y/GRN-YELLOW GREEN W/BLK-WHITE BLACK DOOR SWITCH O/L RELAY P.T.C RELAY EARTH...

  • Page 8: Working Principle & Test Method Of Key Parts

    7. WORKING PRINCIPLE & TEST METHOD ON KEY PARTS 7-1 Compressor Inspection method Operating principle 1) Measure the resistance of each winding of the The compressor motor, mounted directly to the compressor. compressor and located inside a sealed steel a. Disconnect the power cord. case, has two windings.
  • Page 9 7-3 Relay Inspection method Operating principle Unlike to other mechanical apparatus, this solid relay has neither coils nor flexiable terminals. The relay is made of a solid wafer situated between the terminal linked poles. This wafer will produce low resistance (5~23 ) under room temperature.
  • Page 10 7-4 E-magnetic valve Inspection method Operating principle Connect the appliance to power, press The bistable two way T-piece e-magnetic TEST key on the PCB: valve is under the control of the pulse If pressing RF , the gateway is from generator that outputs semi-wave DC pulse Entrance to Exit 2;...

  • Page 11: Trouble Anlysis & Shooting

    8. TROUBLE ANALYSIS & SHOOTING *Refer to the trouble analysis section of user s manual for non-faultreason. No cooling Check the cooling system (see figure1) Too low (set higher) Normal run Temperature setting Malfunctional sensor Inferior cooling Loose gasket (clean soils or change it) Evap.
  • Page 12 Table 3: circuit checksheet for breakdown Item Reason Solution Power supply cord & plug Broken and off wire Repair and change cord & plug PTC. relay Damaged Change relay Overload protector Malfunctional terminal, Change overload protector internal broken wire Change compressor Compressor motor (deputy Open circuit of windings windings) conducting test...

  • Page 13: How To Change Key Parts

    9. HOW TO CHANGE KEY PARTS 9-1 Change the sensor 1. Remove the temperature sensor cover. 2. Take apart the sensor. 3. Change the sensor. 4. Put on the sensor cover. 9-2 Change the Relay 1. Loosen the fixture to remove the relay cover. 2.
  • Page 14 9-7 Change the E-magnetic valve 1.Turn off the e-magnetic valve screws. remove the cover and the wires. cut open the compressor's process pipe to discharge cooling liquid, then solder the three ports of the e-magnetic valve with a soldering torch. change the e-magnetic valve.

  • Page 15: Exploded View & List

    10. EXPLODED VIEW & LIST 10-1 Door...
  • Page 16 No Part number Description Q'ty Spec Remark...
  • Page 17 10-2 Compartment...
  • Page 18 No Part number Description Q'ty Spec Remark...
  • Page 19 10-3 General assembly...
  • Page 20 No Part number Description Q'ty Spec Remark...
  • Page 21 No Part number Description Q'ty Spec Remark...

  • Page 22: Circuit Details

    11. CIRCUIT DETAILS 11-1 Power Supply Part 7812 7812 C102 C103 220V L.V.T C104 C101 170u 100u 1000uF F25V F16V The AC input voltage will be stepped down by the transformer and be converted into the DC voltage by the rectifying circuit (D101-104). The 1000F/35V wave filter capacitor will be used to filter out the residue AC voltage and the manostat 7812 is used to output the steady 12V DC voltage that will be used as the control voltage of the relay and display.
  • Page 23 11-3 Sensor Part R301 10K-F Freeze Sensor R3021K R303 10K-F C301 Evaporator sensor R3041K R305 10K-F Refrigerating C302 sensor R3061K C303 R405 10K-F The sensor is a temperature sensitive rheostat whose resistance goes up at high temperature and drop down at low one. The sensor's resistance will vary with the changing tempeature and incur the voltage altering in chip to control the chip action.
  • Page 24 Refrigerating compartment D603 D602 D601 Setting Deviation Freeze compartment D606 D605 D604 Setting Deviation...

  • Page 25: Control Panel Trouble Shooting

    12. CONTROL PANEL TROUBLE SHOOTING 12-1 Sensor 1. Restart the appliance for a self-diagnosis before maintenance. 2. If self-diagnosis detects a fault, please refer to the following table for faulty parts. ITEM DISPLAY REMARKS Refrigerating sensor Deputy evaporator sensor Freeze sensor 3.The sensors' positions are individually set forth hereunder: Deputy evaporator sensor Refrigerating sensor...
  • Page 26 12-2 When troubles are found by self-diagnosis A. When the freeze sensor breaks down Start Is the freeze temperature sensor ok? Change the temp.sensor Is the mainboard connector plug-in ok? Plug in the connector again for bad contact. Are the mainboard sensor connectors linked properly? Disconnect sensors Is the input voltage on the core...
  • Page 27 12-3 Responseless after power on Primary Inspection r socket is electrified and the connecting power 1. Prior to trouble settlement, check if the powe supply spec. is normal. 2. Check if the power botton on display is pressed or not. 3.

This manual is also suitable for:

Rl23datwRl25datsRl28datwRl25datwRl28dats

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