Samsung RL23DATS Service Manual Download | Manualshive

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MODEL:

RL23DATS         RL23DATW
RL25DATS         RL25DATW
RL28DATS         RL28DATW

C

C

SERVICE

SERVICE

MANUAL

MANUAL

Electric Refrigerator

CONTENTS

PREVENTIVE ACTIONS                                                         1
PRODUCT SPECIFICATIONS                                               2
ELECTRIC & COOLING PART SPEC. & CRITERION         3
STRUCTURE                          4
COOLING SYSTEM CYCLE WORKFLOW                         5
DIAGRAM CIRCUIT                         6
WORKING PRINCIPLE & TEST METHOD OF KEY PARTS 7
TROUBLE ANLYSIS & SHOOTING                                      10
HOW TO CHANGE KEY PARTS                                          12
EXPLODED VIEW & LIST                                                    14

21

CONTROL PANEL TROUBLE SHOOTING 24

CIRCUIT DETAILS

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Summary of Contents for RL23DATS

Page 1: ...ENTS PREVENTIVEACTIONS 1 PRODUCT SPECIFICATIONS 2 ELECTRIC COOLING PART SPEC CRITERION 3 STRUCTURE 4 COOLING SYSTEM CYCLE WORKFLOW 5 DIAGRAM CIRCUIT 6 WORKING PRINCIPLE TESTMETHOD OF KEYPARTS 7 TROUBLEANLYSIS SHOOTING 10 HOW TO CHANGE KEY PARTS 12 EXPLODED VIEW LIST 14 21 CONTROL PANELTROUBLE SHOOTING 24 CIRCUIT DETAILS ...

Page 2: ...ble the restart Do not make any by pass or circuit change attempt without manufacturer s prior suggestion No prelonged cable or double terminal board is recommended For human safety this procut must be properly earthed But phone lines and gas pipes are not recommended for earthing 1 PREVENTIVE ACTIONS 1 1 Safety Precautions Only qualified technicians who have full command and knowledge of the cool...

Page 3: ...2 2 PRODUCT SPECIFICATION Polyurethane foam 141B 1 Refrigerating compartment 2 Rear 2 Head ABS ...

Page 4: ...C SPEC SPEC SPEC SPEC ON temp OFF temp Earthing screw Lamp DC motor E magnetic valve Door light switch ID 0 72 L2800mm Sensor 502AT Sensor 502AT Sensor 502AT 8100 ID A 8100 ID B GQS70AA ESTER OIL 3 SPEC AND CRITERION OF ELECTRIC COOLING PARTS Cooling cycle Electric spare parts Capacitor Overload protector 11 19 9 16 B63 125 T0455 70 55 70 55 120 130 120 130 DC 12V 0 08A 240V 25W 220V 0 5A 125V 1 5...

Page 5: ... 1 Product size Unit mm CODE MODEL A B C D E F G H I J K RL23DAT RL25DAT RL28DAT 604 604 604 698 4 698 4 766 4 9 9 9 766 4 854 4 898 4 42 7 42 7 42 7 1570 1658 1770 616 5 616 5 616 5 1528 1616 1728 42 42 42 368 5 368 5 368 5 1188 1188 1188 ...

Page 6: ...soldering flash soldering aluminium braze 5 5 COOLING SYSTEM CYCLE WORKFOLW HOT PIPE EVAP REF ASS Y ACCUMULATOR R CAPILARY EVAP FRE ASS Y PIPE CLUSTER L DRYER PIPE SUCT CONNECT COMPRESSOR PIPE DISCHARGE ASSY VALVE BISTABLE PIPE CONDENSER R F CAPILARY ...

Page 7: ... DOOR SWITCH YEL WHT BLU RED BRN BLK BLU GRY BRN TRANSFORMER GRY RED RED Y GRN EARTH BLU RED RED RED RED LAMP W BLK YEL VALVE BISTABLE CAPACTIOR EARTH COMPRESSOR O L RELAY P T C RELAY BRN BROWN GRY GRAY BLU BLUE BLK BLACK WHT WHITE YEL YELLOW Y GRN YELLOW GREEN W BLK WHITE BLACK 6 DIAGRAM CIRCUIT ...

Page 8: ...Operating principle Inspection method Compressor Windings Operating principle Inspection method The overload protects the compressor motor by responding to both the temperature and current The overload protector is basically made up of a set of the contacts normally closed and the bimetal element The overload mounted externally and in direct contact with the compressor case is connected in series ...

Page 9: ...and the parralled relay as well as the Start winding group In the beginning the increasing relay resistance will lessen the current dramtically The silm current will keep the relay resistance high and the relay open This relay is called PTC Positive Temperature Coefficiency relay as the resistance will go up with the increasing temperature This solid relay can also be tested by an ohmmeter The rel...

Page 10: ...or that outputs semi wave DC pulse power to scan the coils once every 30s 60s with 4 10 pluse semi waves The e magnetic will reverse with changing pluse direction Entrance Exit 1 Exit 2 Connect the appliance to power press TEST key on the PCB If pressing RF the gateway is from Entrance to Exit 2 If pressing FF the gateway is from Entrance to Exit 1 ...

Page 11: ... wire Change compressor Change compressor Damaged Change relay Too low voltage Voltage up mount stablizer Reason Solution Root out Test on compress working status Normal run Run failure Break down No cooling Temperature setting Too low set higher Malfunctional sensor Loose gasket clean soils or change it Evap frost defrost Change PCB and confirm single Change E magnetic valve Inferior cooling Unab...

Page 12: ...ing system to leave out acid Item Power supply cord plug Broken and off wire Repair and change cord plug Reason Solution PTC relay Overload protector Malfunctional terminal internal broken wire Change overload protector Damaged Change relay Compressor motor deputy windings conducting test Change compressor Open circuit of windings 11 ...

Page 13: ...g the dryer cut off 30mm of the capillary and leave 10 20mm in the dryer After the soldering is finished reacuumize and add liquid as required on the nameplate Seal the process pipe in the end Take out the freeze drawer remove the evaporator cover and turn off the screws Cut open the evaporator process pipe to discharge the refrigerant burn up the binding pipes at the entrance and exit of the free...

Page 14: ... open the compressor s process pipe to discharge cooling liquid then solder the three ports of the e magnetic valve with a soldering torch 4 change the e magnetic valve 5 Reassemble the capillary and the drier as it was Reacuumize and add liquid as required on the nameplate Seal the process pipe in the end 13 ...

Page 15: ...14 10 EXPLODED VIEW LIST 10 1 Door ...

Page 16: ...15 No Part number Description Q ty Spec Remark ...

Page 17: ...16 10 2 Compartment ...

Page 18: ...17 No Part number Description Q ty Spec Remark ...

Page 19: ...15 10 3 General assembly ...

Page 20: ...19 No Part number Description Q ty Spec Remark ...

Page 21: ...20 No Part number Description Q ty Spec Remark ...

Page 22: ...voltage will be regulated by the manostat 7805 to output the steady 5V voltage which will be used as the output voltage of the chip peripheral circuit and various signals sensor switch Power supply Vcc DC 5V Vcc DC 12V Applied circuit Control voltage of the display and relay chip peripheral power and sensor bimetallic thermostat door switch voltate 11 2 Reset Circuit Part The reset circuit part en...

Page 23: ...e altering in chip to control the chip action Temperature Sensor s Resistance Ronversion Table of Chip Input Voltage 22 11 4 Operation Part D603 D606 D609 D612 D615 D614 D611 D608 D605 D602 D601 D604 D607 D610 D613 1 OPTION circuit plays the role of adjusting the tempeature setting parameters 2 The OPTION circuit information may be read at the stage of initial self diagnosis 3 You may adjust the t...

Page 24: ...ompartment NO NO 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 0 0 0 0 1 1 1 1 0 0 0 0 1 1 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 0 1 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 2 3 1 2 3 4 1 2 3 1 2 3 4 D603 D602 D601 Setting Deviation Setting Deviation D606 D605 D604 ...

Page 25: ...269 4 237 4 204 4 170 4 134 4 098 4 061 4 023 3 985 3 945 3 905 3 863 3 822 3 778 3 734 3 689 3 644 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 1 2 3 4 25650 24510 23420 22390 21410 20408 19580 18730 17920 17160 16430 15740 15080 14450 13860 13290 12740 12220 11720 11250 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 2 647 5 6 7 8 9 10 1...

Page 26: ...uit Are PCB and temp sensor ok Recheck the connector N N N N Y Y Y Y B When the refrigerating sensor breaks down Start Is the mainboard connector plug in ok Are the main board sensor connectors linked properly Is the input voltage on the core chip leg 30 ok Is the refrigerating temperature sensor ok Change the temp sensor Plug in the connector again for bad contact Disconnect sensors Check for mis...

Page 27: ...ay Replace the mainboard subassembly Stablizer Stablizer the 7812 output DC12V the 7805 output DC5V 12 3 Responseless after power on 26 1 Prior to trouble settlement check if the power socket is electrified and the connecting power supply spec is normal 2 Check if the power botton on display is pressed or not 3 If other troubles are found please refer to the remarks on the next page to make an ins...

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