Samsung RL33EBMS Service Manual Download

Page: 1 / 43

MODEL:

RL33EBMS

SERVICE

MANUAL

Electric Refrigerator

CONTENTS

PREVENTIVE ACTIONS 2

PRODUCT SPECIFICATIONS 3

ELECTRIC & COOLING PART SPEC. & CRITERION 4

FUNCTIONAL & OPERATIONAL INSTRUCTIONS 5

FUNCTIONS 10

CIRCUIT DETAILS 15

TROUBLE ANALYSIS & REPAIR SOLUTIONS 19

PART BREAKDOWN AND LIST 24

DISASSEMBLY & ASSEMBLY 33

CIRCUIT DISGRAM 39

Summary of Contents for RL33EBMS

Page 1: ...or CONTENTS PREVENTIVEACTIONS 2 PRODUCT SPECIFICATIONS 3 ELECTRIC COOLING PART SPEC CRITERION 4 FUNCTIONAL OPERATIONAL INSTRUCTIONS 5 FUNCTIONS 10 CIRCUIT DETAILS 15 TROUBLEANALYSIS REPAIR SOLUTIONS 19 PART BREAKDOWNAND LIST 24 DISASSEMBLY ASSEMBLY 33 CIRCUIT DISGRAM 39 ...

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: ...system unblocked by inflating nitrogen under HV and LV state 1 3 4 Fire soldering is not allowed until the work place is ventilative without R600a left in the CYCLE 1 3 5 When no leakage and blocking are found by nitrogen inflation shut the fire by the soldering fulid pipe valve core available at one end at the process pipe 1 3 6 Adding the fulid by vacuumizing the liquid pipe and screw on the nut...

Page 4: ...lace is ventilated without R600a left in the CYCLE 2 Refrigerant Remnants Discharging Prior to reinjecting the refrigerant conduct the trouble inspection If the leaking point is found eject the remained R600a out 2 1 Open the compactor back cover reel out the two process pipes and cut them by a knife or pilers to discharge the remained R600a refrigerant See figure 1 cutting position 2 2 Leave the ...

Page 5: ...ith the special liquid process pipes see below figure Special liquid process pipe fire soldering 4 1 When the pipe is entirely vacuumized fill in the R600a refrigerant in the quantity as shown on the brandplate and weigh by the electric balance The injection quantity must be exact to the evel of 2g 4 2 No fire is allowed around when adding liquid No pocket mobile phone and walkman are allowed duri...

Page 6: ...lk guard Big bottle guard Egg guard dairy guard Cyclopentane R600a 60g Refrigerating compartment Bottle guard partition Egg tray Freeze compartment 1EA 1EA Rl33EBMS 2 PRODUCT SPECIFICATION Model Volume ISO Total volume Freeze compartment Refrigerating compartment N V L Size Width mm Deepth mm Height mm N W Kg Cooling mode Compartment cooling Control display Shelf Fruit vege Tray partition Drawer I...

Page 7: ... ON temp OFF temp PTC relay Model Resistance Lamp Freeze compartment Gear motor Freeze compartment Door light switch Fan motor ID 0 72L2800mm 502AT 502AT 502AT 502AT 240V 15W 3 19 hours vary with environmental temp 4hours 10min first cycle 240V 6 5W HC 050K4 2 5A 250VAC 220 240VAC 50 60Hz MN71MNBA6 M2LA49Z 400VAC 4 5uF 115 125 55 70 B52 120 B 7min 2 min 250V 10A 72 4 15W 220V 7W 220V 280W 220V JIA...

Page 8: ...A B C D E F G H I J K G C B E D A F J K H I RL33 7 595 764 5 9 900 42 5 1768 646 1725 43 38 2 1161 4 FUNCTIONAL OPERATIONAL INSTRUCTIONS 4 1 Product size Unit mm Code Model ...

Page 9: ... 2 Part Discription Disassembly Pull out the shelf in the arrow direction to disassembly it Take out the foods and pull it out in the arrow direction Ice box Fruit vege Tray salad box Freeze compartment drawer ...

Page 10: ...condensing pipe dew proof pipe liquid barrel Evaporator loop pipe dry filter Compressor discharge pipe silver welding rod soldering silver welding rod soldering 9 4 3Cooling System Cycle Diagram ...

Page 11: ...10 4 4Circuit Diagram Î Â È Ð Æ Ì ì À Ñ Ë õ ú 1 M M S t C 3 º ì É º ì É Ò É Û º ì É 2 1 M Ì ì À Ñ Ë õ ú Û º ì M Û º ì Ì ì À Ñ Ë õ ú ...

Page 12: ...11 fan leaf fan motor Evaporator air out loop air loop air 4 5 Cold Air Cycle ...

Page 13: ... actual temperature exceeds the setting vaule of 3 it will display the setting with flashes If the actual temparature reaches the setting value of 4 it will display the actual temperature 1 if the actural temperature is less than the setting value of 5 it will display the actual temperature 2 Refrigeraing Refrigeraing Freeze Freeze General run Defrost forecooling heating time delay During the defr...

Page 14: ...rature is initialized as 5 Step Display Freeze temp Control st nd rd th th th th th th th Power on 1 press 2 press 3 press 4 press 5 press 6 press 7 press 8 press 9 press 10 press 5 4 3 2 1 8 7 9 6 5 5 4 3 2 1 8 7 9 6 5 C Fast refrigeration 1 Press the Fast refrigeration key the fast refrigeration light is on leaving the gear air door open 2 The state will display in the following cycle fast refri...

Page 15: ... B Defrost During Fast Refrigeration 1 The defrost operation will be delayed during the fast refrigeration run until the end of the fast freeze 2 If the fast refrigeration function is cancelled by prior manual operation the defrost function will start up The compactor running time during the fast freeze will be added to the total work time 3 If the Fast Freeze function is selected during the defro...

Page 16: ... heater will fail to work and the compactor will resumes after the end of time delay A Compactor Protective Function 1 Restart is not allowed within 5 minutes after the stop of the compactor 2 For forced startup the compactor may start working without 5 minutes time delay by pressing the Forced Startup button 3 When electrifying or switching on the power this function will start working after 3 mi...

Page 17: ...nterval D Forced Defrost 1 Only simutaneous press of the Refrigerating Temperature key and the Freeze Temperature button for 5 minutes under forced defrost state will trigger Dudu sound at 0 5S interval 5 8 Buzzer NO 1 2 3 4 5 ITEM Refrigerating sensor Main evaporator sensor Freeze sensor External sensor Magnetic switch DISPLAY TROUBLE Open circuit short circuit Open circuit short circuit Open cir...

Page 18: ...l 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 The 12V DC 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 6 2 Reset Circuit Part Th...

Page 19: ... the core chip The time on the clock will play the role of time base The resonance circuit must apply the rated criteria of each element as specification deviation will change the core chip time and disable the running 6 4 Sensor Part Core chip Freeze Sensor Door switch Magnetic switch Refrigerating sensor Main evaporator sensor The sensor and the resistance in F precision are respectively connect...

Page 20: ... motor Inside lamp Gear motor If outputing the relevant work circuit signals into the core chip port the driving chip ULN2003 will be activated The DC 12V voltage will set the relay terminals to the position of On due to relay coils reaction to activate the circuit 6 6 Buzzer Part The driving chip is initiated by the core chip generated CLOCK and impose the 12V volgtage on the buzzer to make it vo...

Page 21: ... 0 1 1 0 0 1 1 1 0 1 0 1 0 1 0 1 SHIFT Default P03 P00 P01 P02 R601 603 10K J 3 D601 D602 D603 D606 D605 D604 D607 D608 D609 D610 D611 D612 20 P04 P05 P06 6 7 Functions Core chip The output signals such as GRID waves after initializing will be received by the diode and function confirmed by the metrix The 32 24 and 25 interfaces of the core chip only generate the same GRID waves output at the init...

Page 22: ...circuit Open circuit short circuit COMMENTS Test temp lower than 50 Test temp higher than 85 Test temp lower than 50 Test temp higher than 85 Test temp lower than 50 Test temp higher than 85 Test temp lower than 50 Test temp higher than 85 Magnetic spring switch ON OFF is unable to be detected after 1 minute s run Air door relay failure or motor air door magnetic spring switch or magnet trouble Do...

Page 23: ...please refer to the remarks on the next page to make an inspection Primary Inspection Y Y Y N 22 Y N N N Start Is primary voltage of the transformer ok Is secondary voltage of Transformer ok Is display ok Power on again Normal Check and repair the wire assembly replace the transformer Repair or replace the display Replace the mainboard subassembly Test the 7812 output woltage Test the 7805 output ...

Page 24: ...ld welding short circuit Are PCB and temp sensor ok Recheck the connector N N N N Y Y Y Y Y Y Y Y B When the freeze evaporator sensor breaks down Start Is the freeze evaporator sensor Plug in ok Are the connector and freeze evaporator sensor connected Is the input voltage on the core chip leg 25 ok Is the mainboard plug in ok Plug in the connector again for bad contact Change the evaporator sensor...

Page 25: ...connect sensors Check for miss or vold welding short circuit Are PCB and temp sensor ok Recheck the connector N N N N N N N N Y Y Y Y Y Y Y Y Start Is the magnetic spring swith ok Are the magnetic spring connectors well linked Is the input voltage on the core chip leg 27 ok Is the magnetic spring switch plug in ok Plug in the connector again for bad contact Change the magnetic spring switch Discon...

Page 26: ... Is the input voltage on the core chip leg 28 ok Is the door switch plug in ok Plug in the connector again for bad contact Change the door switch Disconnect the wire between the door switch connectors Check for miss or vold welding short circuit Are PCB and door switch ok Recheck the connector N N N N Y Y Y Y ...

Page 27: ...26 8 PART BREAKDOWN LIST 8 1 Door ...

Page 28: ...27 No Part number Description Q ty Spec Remark ...

Page 29: ...26 8 2 Freeze Compartment ...

Page 30: ...29 No Part number Description Q ty Spec Remark 1 1 1 2 1 3 1 4 6 1 6 2 6 3 6 4 7 1 7 2 7 3 9 1 9 2 9 3 9 4 9 5 9 6 9 7 9 8 9 9 9 10 9 11 9 12 9 13 9 14 9 15 ...

Page 31: ...30 8 3 Refrigerating Compartment ...

Page 32: ...31 No Part number Description Q ty Spec Remark 9 1 9 2 12 1 12 2 12 3 ...

Page 33: ...32 C C 8 4 General Assembly ...

Page 34: ...33 No Part number Description Q ty Spec Remark 1 1 1 2 1 3 1 4 1 5 1 6 1 7 18 1 18 2 18 3 18 4 18 5 18 6 18 7 18 8 18 9 ...

Page 35: ...34 No Part number Description Q ty Spec Remark ...

Page 36: ... to avoid an electric shock 2 Turn off the lamp 3 When the new lamp is fitted setup the lampshade latches from right to left as well as the screws 2 1 2 1 35 1 Take out the freeze compartment drawer 2 Remove the two screws from the air duct subassembly framework Two screws 9 DISASSEMBLE ASSEMBLY 9 1 Change The Refrigerating Compartment Lamp 9 2 Disassembly of the Freeze Compartment Air duct Subass...

Page 37: ...nal hook and draw out the terminal in the direction of the arrow 4 Remove the four screws from the air duct front cover that shall be drawn out in the direction of the arrow 36 6 Remove the two screws from the air duct subassembly back cover remove the two screws ...

Page 38: ...sembly in the direction of arrow and take down the plug ins such as sensors etc Assembly of The Freeze Air duct Subassembly Keep 9 refrigerant and noise down Evaporator framework Evaporator Main evaporator sensor Temperature fuse 37 ...

Page 39: ...efrigeration system make sure that no refrigerant remains are found and that the workplace is ventilated 38 9 3 Assembly of The Compressor and The Terminal Box Alert Prior to repairing the refrigeration system make sure that no refrigerant remains are found and that the workplace is ventilated and safe ...

Page 40: ...ply Capacitor 3 Terminal box assembly 2 Take off the terminal box cover with a screwdriver Relay D C transformer Protector 39 9 4 Terminal Box Assembly Alert Remove the plug from the power socket when replacing electric elements ...

Page 41: ... and remove the screw with a cross head screwdriver Unclench the top front cover with a 1 shaped screwdriver Set up the top front cover by pressing it into the hook the sound Kaca will be heard as it reaches the right position C C 2 1 2 1 C C 3 40 9 5 Top Front Cover Disassembly ...

Page 42: ...DIAGRAM 10 1 Luxury Type Freeze sensor Evaporator sensor Refrigerating sensor Magnetic switch Door switch Locki ng Fast freeze Freeze temperature Refrigerating temperature Function selection Fast refrigeration 41 ...

Page 43: ......

Search results

Summary of Contents for RL33EBMS

Reviews:

Related manuals for RL33EBMS

Brands by name

Popular brands

Samsung RL33EBMS, Service Manual

Search results

Summary of Contents for RL33EBMS

Reviews:

Related manuals for RL33EBMS

Brands by name

Popular brands