Samsung RL38H Series Service Manual Download

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EXPLODED VIEW & PARTS LIST

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5-4) Fridge - Cool Select Zone & LED Lamp Model

Summary of Contents for RL38H Series

Page 1: ...North America http service samsungportal com Latin America http latin samsungportal com CIS http cis samsungportal com Europe http europe samsungportal com China http china samsungportal com Asia http aisa samsungportal com Mideast Africa http mea samsungportal com High Efficiency A Easy Open Handle CoolSelect ZoneTM Digital Temperature Display RL44Q F RL41 38H RL44 41 38E RL44 41W RL44 41P RL44 4...

Page 2: ...may result in personal injury and property damage The manufacturer or dealer cannot be responsible for the interpretation of this information SAMSUNG ELECTRONICS AMERICA INC Technical Service Guide Copyright ⓒ2008 All rights reserved This service guide may not be reproduced in whole or in part in any form without written permission from the SAMSUNG ELECTRONICS Company WARNING 2 ...

Page 3: ...IONS SAFETY WARNINGS 4 2 PRODUCT SPECIFICATIONS 7 3 DISASSEMBLY AND REASSEMBLY 15 4 TROUBLE SHOOTING 35 5 EXPLODED VIEW PARTS LIST 81 6 PCB DAIGRAM 133 7 WIRING DIAGRAM 136 8 CIRCUIT DIAGRAM 141 9 REFERENCE INFORMATION 161 ...

Page 4: ...sembled state of parts It should be the same as the previous state Check out the surrounding conditions Change the location if the fridge is located at humid wet places or the installed state is unstable If needed ground the fridge Especially if there is a possibility of electric leakage ground is indispensable Do not allow consumers to overload a certain outlet Check out whether the power cord or...

Page 5: ...Caution Caution Unplug Use the rated components on the replacement Check the correct model rated voltage rated current operating temperature and so on On repair make sure that the wires such as harness are bundled tightly Bundle tightly wires in order not to be detached by the external force and then not to be wetted Check if there is any trace indicating the permeation of water If there is that k...

Page 6: ...pening or closing the door may cause things to fall down with may inflict a wound Prohibition Prohibition Prohibition Prohibition Warning Caution Do not allow users to disassemble repair or alter It may cause fire or abnormal operation which leads to injury Do not disassemble Do not allow users to insert the power plugs for many products at the same time May cause abnormal generation of heat or fi...

Page 7: ...2 PRODUCT SPECIFICATIONS 7 2 1 Model Specification 8 2 2 View of Fridge Freezer 9 2 3 Comparison with Competitor 10 2 4 Electiric Part Specification 11 2 5 Dimension mm 13 ...

Page 8: ...nd cyclopentne High energy efficiency A Drawer for dry or wrapped food Drawer for fresh salades vegetables and fruits Fresh compartment just above 0 C The display shows all functions of the appliance so that you can easily control them Digital temperature control display With the water dispenser you can obtain chilled water easily without opening the door In addition you can save electricty by mor...

Page 9: ...et dimension T T o o t t a a l l R R e e f f r r i i g g e e r r a a t t o o r r F F r r e e e e z z e e r r W W m m m m D D m m m m H H m m m m M M o o d d e e l l 326L 232L RL44Q RL44F 345L 245L 94L 595 643 94L 94L 2000 220 240V 50Hz 1920 220 240V 50Hz 1820 220 240V 50Hz RL44E RL44S RL44P 338L 244L 115 127V 60Hz 115 127V 60Hz RL44W 325L 231L RL41H RL41E RL41S 318L 224L RL41P RL41W 301L 207L RL38...

Page 10: ...NOTE This operation instruction covers various models The characteristics of your appliance may differ slightly from those described in this manual PRODUCT SPECIFICATIONS 10 ...

Page 11: ... Comparison with competitor 11 PRODUCT SPECIFICATIONS ...

Page 12: ...0W 1EA RL44 RL41 RL38 R S C R Mineral Oil 10 cst Split Fin Type Natural Convection Type Molecular Sieve XH 9 ID0 75xL3500 5 95 kg cm 2 240W AC 250V 10A 77 C 0 C 5 C 400VAC 5 4 STAR R600a R134a R S C R FREOL α 10 ESTER RL41WCPS1 XTL Models Refrigerant Freezing Capacity Condenser Dryer Capillary Tube Rated Voltage Door Switch Thermal Fuse for preventing overheating of Refrigerator Defrost Heater Com...

Page 13: ...ation Room Temperature Sensor Components Freezer Model Temperature Selection 23 20 14 THERMISTOR FREEZERSENSOR 502AT Model Temperature Selection 1 3 7 Refrigerator Defrost Cycle Defrost Sensor Thermal Fuse FirstDefrostCycle ConcurrentdefrostofFandF Defrost Cycle FRE Pause time Model SPEC Rated Operating temperature Defrost Related Components Model RL44 RL41 RL38 Photograph Part Name Part Code Quan...

Page 14: ...14 PRODUCT SPECIFICATIONS 454 1164 5 590 560 639 50 2000 2 5 Dimensions mm RL44 RL41 RL38 2 000 1 920 1 820 ...

Page 15: ...7 REMOVING THE REFRIGERATOR DOOR 17 REMOVING THE FREEZER DOOR 18 3 3 DOOR SUB PARTS 19 3 4 REFRIGERATOR COMPARTMENTS 22 3 5 FREEZER COMPARTMENTS 27 3 6 MACHINE COMPARTMENTS 28 3 7 REVERSING THE DOOR SWING 29 15 3 DISASSEMBLY REASSEMBLY ...

Page 16: ...or place where it may come in contact with water Deteriorated insulation of electrical parts may cause an electric shock or fire The refrigerator must be grounded You must ground the refrigerator to prevent any power leakages or electric shocks caused by current leakage from the refrigerator Do not put bottles or glass containers in the freezer When the contents freeze the glass may break and caus...

Page 17: ...e wires 2 Remove hinge screws by turning to counter clockwise and take off the upper hinge along the arrow 3 Remove the door from the middle hinge by carefully lifting the door PART NAME FIGURE Removig the Refrigerator Door DESCRIPTION Removing the Refrigerator Door Be careful of injury Be careful not to scratch Take care when removing the door to ensure that it does not fall on you ...

Page 18: ...ver assembly by removing the 3 screws to counter clockwise 2 Remove hinge screws by turning to counter clockwise and take off the lower hinge by pulling out PART NAME FIGURE Removing the Freezer Door DESCRIPTION Be careful not to scratch Take care when removing the door to ensure that it does not fall on you 18 DISASSEMBLY REASSEMBLY ...

Page 19: ...E Control Panel DESCRIPTION 3 3 Door Sub parts LED TYPE 1 Insert a flat head screwdriver on the slot as shown and unlock the tabs 2 Disconnect the wire connector LED SEMI TYPE 1 After removing Cap Cabi SEMI refer to Removing the Refrigertor Door remove 2 screws When diassembling make sure the unit turned off When diassembling make sure the unit turned off ...

Page 20: ...door liner 1 Open the door 2 Grasp the gasket and pull in an outward motion until the molded gasket separates from the door liner PART NAME FIGURE Door Handle Door Gasket DESCRIPTION The refrigerator has a door magnet switch located in the upper center for the refrigerator 1 Use a small flat blade screwdriver to unlock the locking tab and pull the switch out Refriger ator Door Magnet S W Be carefu...

Page 21: ... to top in order PART NAME FIGURE Tray Dispenser Disassem bly of Dispenser DESCRIPTION 1 Take off the Cover dispenser 2 Pull out the Ass y Lever dispenser 1 Pick up the tray dispenser and lift it up Water Tank 1 Push down the Lever dispenser 2 Draw up Water Tank then separate it from the Panel 21 DISASSEMBLY REASSEMBLY ...

Page 22: ...rs are located in the lower portion of the refrigerator 1 Pull out the drawer as far as it goes 2 Tilt the drawer up and pull it out until it is removed 1 Remove 2 screws and pull the CoolSelect Zone drawer out and then disconnect the 2 wire connectors PART NAME FIGURE Glass Shelf Plastlc Drawers In Refrlger ator Cool Select ZoneTM CHILLED ROOM DESCRIPTION 1 Remove 2 screws and pull the Chilled Ro...

Page 23: ...one drawer 2 Pull out cover lamp after removing 1 screw as shown 3 Remove 3 screws as shown and disconnect the upper and lower wire connectors 4 Remove tape for cover of wire at the back side and remove 3 screws at the front side PART NAME FIGURE Refriger ator Light LED Type DESCRIPTION When diassembling make sure the unit turned off ...

Page 24: ...e refrigerator The refrigerator lights are located in the Refrigerator 1 Remove all shelves plastic drawer and CoolSelect Zone drawer 2 Pull out cover lamp with 2 hands 3 Remove bulb and then remove 5 screws located at upper and lower side PART NAME FIGURE Refriger ator Light BULB Type DESCRIPTION Disconnect the upper and lower wire connectors as shown 24 DISASSEMBLY REASSEMBLY ...

Page 25: ...N 1 Disassemble Refrigerator Compartment COVER LAMP while pressing down the threshold 2 Take off LED LAMP while pressing down CASE LAMP threshold 3 Separate LED and the cable Refriger ator Light LED type 25 DISASSEMBLY REASSEMBLY ...

Page 26: ...elect ZoneTM thermistor is located inside the back of CoolSelect ZoneTM drawer The temperature signal is sent to the microprocessor Cool Select ZoneTM Thermistor The door bins allow storage of perishable items 1 Push the bin up and slide it out Door Bin DISASSEMBLY REASSEMBLY ...

Page 27: ... the drawer up and pull it out until it is removed PART NAME FIGURE Plastic Drawer In Freezer DESCRIPTION 1 Pull out all drawers 2 Pull out the cover evap front after removing 1 screw and unlocking hooks using flat head screwdriver 3 Pull out the cover evap rear after removing 2 screws nd unlocking hooks using flat head screwdriver Evapor ator Cover In Freezer When diassembling make sure the unit ...

Page 28: ... Cut the pipes desoldering is dangerous with R600a charged appliances 4 Remove the evaporator 5 Take the same steps to seal the system as mentioned earlier The freezer thermistor is located at the lower left of freezer vent It sends temperature signals to the micro processor PART NAME FIGURE Evapor ator In Freezer Freezer Thermistor DESCRIPTION The electric box is located in the top of the refrige...

Page 29: ...he doors ex blanket 4 During door reversing refrigerator should not be stained with oil Before reversing the door first of all main power should be switched off you should take out contents and accessories like door guard from the doors Be careful not to drop the doors during dissembling or assembling PART NAME FIGURE DESCRIPTION DISASSE MBLY OF THE FRIDGE DOOR 1 After removing screws disassemble ...

Page 30: ...eath the CAP CABI and rejoin it with the electric wire 8 With 11mm wrench separate the HINGE SHAFT and then flip the HINGE and reattach the HINGE SHAFT 9 After rejoining the COVER WIRE HINGE L and the ASSY HINGE UPP and switching the position of the GROMMET HINGE and the CAP SPACE DOOR reposition the ASSY HINGE UPP and assemble the COVER WIRE DOOR as shown The electric wire should be inside of the...

Page 31: ... FRONT COVER by removing the screws 14 Disassemble the ASSY HINGE LOW as shown and put the AUTO GUIDE upside down switch the position of the SHAFT 15 Detach the CAP SCREW HANDLE with flat screwdriver and disassemble the HANDLE BAR with unscrewing 16 Switch the position of the CAP HOLE DOORs pulling out and pushing them in Be careful not to drop and scratch the Freezer Door Be careful not to scratc...

Page 32: ...E LOW after making a hole with phillips head driver on the left bottom side of the unit 19 After switching the position of the CAP HOLE HINGE LOW reassemble the COVER LEG FRONT 20 Switch the position of the CAP HOLE HINGE MID and a screw 21 Switch the position of the STOPPER DOOR and the GROMMET HINGE as shown Becareful not to scratch DISASSEMBLY REASSEMBLY REVERSING THE HANDLE BAR FRIDGE FREEZER ...

Page 33: ...e Freezer door back on and assemble HINGE MID with 2 bolts 24 Carefully put the Fridge door back on 25 Secure the ASSY HINGE UPP with 3 bolts as shown Make sure the Fridge Door is firmly closed 26 Switch the position of the CAP HOLE HINGE UPP Be careful of injury A screw will be remained after reversing freezer door And it does not affect performance of the refrigerator DISASSEMBLY REASSEMBLY CAP ...

Page 34: ... CAP CABI as shown below 28 Reassemble the CAP CABI after assuring the position of Wires 29 Detach the Fridge and Freezer gaskets and attach them after rotating 180 Make sure the door gaskets are properly arranged If not there can be a noise or dew can be formed which affects perfomance of the unit 30 Make sure the doors are working properly DISASSEMBLY REASSEMBLY ...

Page 35: ...EFROST 47 4 1 2 2 SELF DIAGNOSIS FUNCTION 49 4 1 2 3 LOAD STATUS DISPLAY MODE 52 4 1 2 4 RESTORATION OF PREVIOUS SETTINGS UPON POWER FAILURE 54 4 1 2 5 EXHIBITION MODE FUNCTION 54 4 1 2 6 OPTION SETTING FUNCTION 55 4 1 2 7 OPTION TABLE 58 4 1 3 LED SEMI MODEL 59 4 1 3 1 TEST FUNCTION FORCED FREEZE FORCED DEFROST 59 4 1 3 2 SELF DIAGNOSIS FUNCTION 60 4 1 3 3 LOAD STATUS DISPLAY FUNCTION 62 4 1 3 4 ...

Page 36: ...he Operation and the Menu buttons and press the Menu button to go into the Test mode Forced Freeze Defrost Mode At the Test mode any one of the Operation Menu Select buttons will work as the Test button Each time the Test button is pressed it will be changed in the following order Forced Freeze FF Forced Freezer defrost Fd Cancellation Normal Operation It is most recommended that the unit be re pl...

Page 37: ...rced Freeze When it is selected the Super Freeze LED goes off in 10 seconds 3 1 6 To cancel the Forced Freeze before being completed turn off and on the power or select the Test cancelation mode 3 1 7 During the Forced Freeze it keeps sending out alarm sounds 0 25 sec On 0 75 sec Off until it is completed And it is not possible to turn it off Freezer segment 3 2 Forced Freezer defrost 3 2 1 When t...

Page 38: ...e controlled through the Emergency Operation 1 4 To cancel these error codes fix all the problems with the defective sensor or press the Menu Operation buttons for 10 seconds 2 Self Diagnosis Function during Normal Operation 2 1 When the Menu Operation buttons are held down for 6 seconds at the same time during normal operation the temperature setting display will blink at an interval of 0 5 sec f...

Page 39: ...t f Freezer Second Digit d Freezer Second Digit g Freezer First Digit b Freezer First Digit g Rel at edt oF SENSOR Rel at edt oR SENSOR Rel at edt oF DEF SENSOR Related to EXT SENSOR Related to CoolSelect Zone SENSOR Related to Freezer Fan Motor Related to Freezer defrost Damper Heater Open or Short Circuited Communication Error between Panel MAIN MICOM Self Diagnosis Check List Freezer Freezer Fr...

Page 40: ... Slipped Out or Open Contact Wire Cut or Short Circuited Abnormal Sensing Temp 50 C and over or 50 C and lower Connector Slipped Out or Open Contact Wire Cut or Short Circuited Abnormal Sensing Temp 50 C and over or 50 C and lower Connector Slipped Out or Open Contact Wire Cut or Short Circuited Abnormal Sensing Temp 50 C and over or 50 C and lower Connector Slipped Out or Open Contact Wire Cut or...

Page 41: ...ong sound it goes into the Load Status Display function 3 The Load Status Display mode shows the loads which MICOM sends out operational signals to It only means that there are operational signals from MICOM So it does not indicate that those signalled loads are in operation And even though a specific part is displayed as in operation it may not operate due to its own defect or the defective relay...

Page 42: ...f Freezer Second Digit d Freezer First Digit f Fridge Second Digit e f All LED Off When power is applied to the unit When the ambient temperature is over 35 C When the ambient temperature is lower than 17 C When the exhibition mode is activated When the compressor is running When the Freezer Fan runs HIGH When the Freezer Fan runs LOW When the Condenser Fan runs HIGH When the Condenser Fan runs LO...

Page 43: ...an 5 C it is to be considered as a long period power failure and it will initialize the panel display Freezer 20 C Fridge 3 C CoolSelect Zone Cool Alarm On Turned On 4 1 1 5 Exhibition Mode Function 1 When the Menu Select buttons are pressed at the same time for 6 seconds during the normal operation the Fridge and the Freezer 7 SEG LEDs will blink for 4 seconds at an interval of 0 5 second 2 Then ...

Page 44: ...press the Operation button to convert the display to the Option Setting mode When there is no button press for 15 seconds during the Option Setting mode it goes back to the normal display mode How to Enter into Option Setting Mode Take your fingers off the buttons when the entire panel is blinking for 4 seconds after pressing the Menu Operation buttons at the same time for 6seconds Press the Opera...

Page 45: ...laying Current Set Value by Item Increasing Decreasing the set value Rotating Selecting items downwards Selecting items upwards Option Mode Button Operation When the display is converted to Option Setting mode the entire display is to be turned off except the Fridge Freezer 7 SEG LEDs as follows Freezer Temp Setting Freezer Temp Setting Fridge Freezer Fridge Freezer TROUBLESHOOTING ...

Page 46: ...on Setting and the Freezer temp code will be displayed on the Freezer temp section 3 If the Freezer temp code is set to 6 as the following table after setting the Fridge section to 0 the Freezer base temperature is to be lowered by 3 C Refer to the Freezer temperature setting image In 15 seconds after completing the adjustment MICOM is to store the setting value in EEPROM and it goes back to the n...

Page 47: ... 3 C MODEL Setting Item Freezer Temp Shift Common for all models DISPLAY Location Fridge 7 SEG LED 0 0 FREEZER 7 SEG LED VALUE OPTION 0 0 1 0 5 2 1 0 3 1 5 4 2 0 5 2 5 6 3 0 7 8 9 10 11 12 13 14 15 3 5 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 Fridge Freezer 2 Fridge Temp Shift Table Ex Raising the Fridge base tempby 3 0 C MODEL Setting Item Freezer Temp Shift Common for all models DISPLAY Location Fridge 7...

Page 48: ...anel are held down for more than 8 seconds the display panel goes off and it goes into the Test mode At this time any one of the Operation Menu Select buttons will work as the Test button Each time the Test button is pressed it will be changed in the following order Forced Freeze FF Forced Freezer defrost Fd Cancellation Normal Operation It is most recommended that the unit be re plugged in to ter...

Page 49: ...matically 3 1 5 The Super Freeze does not run together with the Forced Freeze When it is selected the Super Freeze LED goes off in 10 seconds 3 1 6 To cancel the Forced Freeze before being completed turn off and on the power or select the Test cancelation mode 3 1 7 During the Forced Freeze it keeps sending out alarm sounds 0 25 sec On 0 75 sec Off 3 2 Forced Freezer defrost 3 2 1 When the Lock bu...

Page 50: ...ncy Operation 1 4 To cancel these error codes fix all the problems with the defective sensor or press the Super Freeze Vacation buttons for 8 seconds 2 Self Diagnosis Function during Normal Operation 2 1 When the Super Freeze Vacation buttons are held down for 6 seconds at the same time during normal operation the temperature setting display will blink at an interval of 0 5 sec for 2 seconds When ...

Page 51: ...eezer Second Digit a Freezer Second Digit d Freezer Second Digit g Freezer First Digit b Rel at edt oF SENSOR Rel at edt oR SENSOR Rel at edt oF DEF SENSOR Related to EXT SENSOR Related to Freezer Fan Motor Related to Freezer defrost Damper Heater Open or Short Circuited Self Diagnosis Check List Freezer Fridge Freezer Freezer Freezer Freezer Freezer When any of the above segments is blinking it i...

Page 52: ...Consumption 0 Ohm Heater Short Ohm Wire Cut or Blown Thermistor After plugging out MAIN PCB CN90 from PCB check the resistance between 1 BLACK and 2 BROWN it should read 140 160 Ohm 0 Ohm Heater Short Ohm Wire Cut or Connector Slipped Out Connector Slipped Out or Open Contact Wire Cut or Short Circuited Abnormal Sensing Temp 50 C and over or 50 C and lower Connector Slipped Out or Open Contact Wir...

Page 53: ... sending out a Ding Dong sound it goes into the Load Status Display function 3 The Load Status Display mode shows the loads which MICOM sends out operational signals to It only means that there are operational signals from MICOM So it does not indicate that those signalled loads are in operation And even though a specific part is displayed as in operation it may not operate due to its own defect o...

Page 54: ...f Freezer Second Digit d Freezer First Digit f Fridge Second Digit e f All LED Off When power is applied to the unit When the ambient temperature is over 35 C When the ambient temperature is lower than 17 C When the exhibition mode is activated When the compressor is running When the Freezer Fan runs HIGH When the Freezer Fan runs LOW When the Condenser Fan runs HIGH When the Condenser Fan runs LO...

Page 55: ...related to the panel display 3 When it is higher than 5 C it is to be considered as a long period power failure and it will initialize the panel display Freezer 20 C Fridge 3 C Alarm On Turned On When pressing the Super Freeze Freezer buttons for 8 seconds it goes into the Exhibition mode 4 1 2 5 Exhibition Mode Function 1 When the Super Freeze Freezer buttons are pressed at the same time for 8 se...

Page 56: ...me time the display is to be converted to the Option Setting mode When there is no button press for 15 seconds during the Option Setting mode it goes back to the normal display mode How to Enter into Option Setting Mode When pressing the Super Freeze Freezer buttons for 8 seconds it goes into the Exhibition mode HOLD 12 SEC TROUBLESHOOTING ...

Page 57: ... Item Displaying Current Set Value by Item Selecting items upwards Selecting items downwards Increasing the set value by one step Decreasing the set value by one step Option Mode Button Operation When the display is converted to Option Setting mode the entire display is to be turned off except the Fridge Freezer 7 SEG LEDs as follows Freezer Temp Setting Freezer Temp Setting TROUBLESHOOTING ...

Page 58: ...er Option Setting and the Freezer temp code will be displayed on the Freezer temp section 3 If the Freezer temp code is set to 6 as the following table after setting the Fridge section to 0 the Freezer base temperature is to be lowered by 3 C Refer to the Freezer temperature setting image In 15 seconds after completing the adjustment MICOM is to store the setting value in EEPROM and it goes back t...

Page 59: ...er base temp by 3 C MODEL Setting Item Freezer Temp Shift Common for all models DISPLAY Location Fridge 7 SEG LED 0 0 FREEZER 7 SEG LED VALUE OPTION 0 0 1 0 5 2 1 0 3 1 5 4 2 0 5 2 5 6 3 0 7 8 9 10 11 12 13 14 15 3 5 0 5 1 0 1 5 2 0 2 5 3 0 3 5 4 0 2 Fridge Temp Shift Table Ex Rai si ngt heFr i dgebaset empby 3 0 C MODEL Setting Item Freezer Temp Shift Common for all models DISPLAY Location Fridge...

Page 60: ...rminate the operation of the Test function 2 Test Mode Entering Process 3 Test Mode Operation 3 1 Forced Freeze Function 3 1 1 When any one of the buttons at the Test mode is pressed once the entire display will light 3 1 2 If Forced Freeze is selected the compressor operates immediately without 5 min delay in any operation mode At this point if it is in Defrost mode it stops defrosting immediatel...

Page 61: ...unction 1 Self Diagnosis Function upon Initial Power On 1 1 When the unit is plugged into the power MICOM diagnoses the status of the temperature sensors in a few minutes 1 2 If defective sensor is found after Self Diagnosis relevant Display LEDs will blink at an interval of 0 5 sec and there will be no extra warning sound Refer to Self Diagnosis Check List 1 3 During a state that a defective sens...

Page 62: ...d lower The voltage should be within the range of 4 5V 1 0V between MAIN PCB CN30 1 and 6 The voltage should be within the range of 4 5V 1 0V between MAIN PCB CN30 3 and 6 The voltage should be within the range of 4 5V 1 0V between MAIN PCB CN30 2 and 6 The voltage should be within the range of 4 5V 1 0V between MAIN PCB CN31 1 and 3 Read the resistance between the purple and the white wire termin...

Page 63: ...e signalled loads are in operation And even though a specific part is displayed as in operation it may not operate due to its own defect or the defective relay onPCB 4 The Load Status Display lasts for 30 seconds and it goes back to the normal operation mode 5 The 7 Segment Load Status is as follows HOLD 12 SEC NO Category Display LED Description Overload Low Temperature COMPRESSOR Freezer defrost...

Page 64: ...ialize the panel display Freezer 19 C Fridge 3 C MID Temp LED on third from left 4 1 3 5 Exhibition Mode Function 1 When the Operation and the Temp Control buttons are pressed at the same time for 8 seconds during the normal operation the Fridge and the Freezer temperature setting LEDs will blink for 4 seconds at an interval of 0 5 sec 2 At this time take your fingers off from the Operation and th...

Page 65: ...o D603 D602 D601 0 0 ºC 0 5 ºC 0 1 ºC 1 5 ºC 0 5 ºC 1 0 ºC 1 5 ºC 2 0 ºC DIODE 1N4148 Temperature Compensation 2 Fridge Temp Shift DIODE 1N4148 Yes No D607 D606 D605 0 0 ºC 0 5 ºC 0 1 ºC 1 5 ºC 0 5 ºC 1 0 ºC 1 5 ºC 2 0 ºC DIODE 1N4148 Temperature Compensation 3 Defrost Termination Temp DIODE 1N4148 Yes No D614 D613 12 ºC 10 ºC 15 ºC 17 ºC DIODE 1N4148 Temperature Compensation TROUBLESHOOTING ...

Page 66: ... IS DEFECTIVE 69 4 2 1 4 WHEN THE AMBIENT SENSOR IS DEFECTIVE 70 4 2 2 WHEN THE FREEZER FAN DOES NOT OPERATE 71 4 2 3 WHEN IT F DEF HEATER DOES NOT DEFROST 72 4 2 4 WHEN THE REFRIGERATOR DOES NOT TURN ON 73 4 2 5 WHEN THE COMPRESSOR DOES NOT OPERATE 74 4 2 6 WHEN IT KEEPS ALARMING BUZZER SOUND 75 4 2 7 WHEN THE PANEL PCB DOES NOT WORK PROPERLY 77 4 2 8 WHEN THE FRIDGE LAMP DOES NOT TURN ON 78 4 2 ...

Page 67: ... 68 69 8 71 6 73 4 75 2 77 78 8 80 6 82 4 84 2 86 87 8 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 3 107 3 057 3 006 2 955 2 904 2 853 2 802 2 751 2 700 2 649 2 599 2 548 2 498 2 449 2 399 2 350 2 301 2 253 2 205 2 158 2 111 2 064 2 019 1 974 1 929 1 885 1 842 1 799 1 757 1 716 1 675 1 636 1 596 1 558 1 520 1 483 1 447 1 412 1 377 1 343 1 309 1 277 1 253 1 213 1 183 16419 15731 15076 14452 13857 13290...

Page 68: ...tor CN30 is inserted correctly Replace the sensor NO YES F Sensor is ok not defective IC10 MICOM 54 have the same voltage as the one between CN30 1 Blue and Common PCB Ground REG1 Heat sink Check if there is any defect in the wire connector NO 0 6V Value 4 6V YES The voltage between MAIN PCB Connector CN30 1 Blue and REG1 Heat sink is correct Check if there is any defect in the soldering NO YES Th...

Page 69: ...efect in the wire connector NO 0 6V Value 4 6V YES The voltage between MAIN PCB Connector CN30 3 Yellow and REG1 Heat sink is correct Check if there is any defect in the soldering NO YES The input voltage at IC10 MICOM 52 is correct 2 When the Refrigerator Sensor is defective Error Display MICOM Connector of Sensor The voltage is between 4 6V and 0 6V R Connector CN30 3 Yellow CommonPCBGroundREG1 ...

Page 70: ...defect in the wire connector NO 0 6V Value 4 6V YES The voltage between MAIN PCB Connector CN30 2 Pink and REG1 Heat sink is correct Check if there is any defect in the soldering NO YES The input voltage at IC10 MICOM 53 is correct 3 When the Defrost Sensor is defective Error Display MICOM Connector of Sensor The voltage is between 4 6V and 0 6V F DEF Connector CN30 2 Pink CommonPCBGroundREG1 Heat...

Page 71: ...heck if there is any defect in the wire connector NO 0 6V Value 4 6V YES The voltage between MAIN PCB Connector CN31 3 Yellow andREG1 Heatsinkiscorrect Check if there is any defect in the soldering NO YES The input voltage at IC10 MICOM 51 is correct 4 When the Ambient Sensor is defective Error Display MICOM Connector of Sensor The voltage is between 4 6V and 0 6V F DEF Connector CN31 3 Yellow Com...

Page 72: ...er turning the motor off To prevent the compressor from being overloaded Upon the initial power on the compressor and the F Fan operate for 5 minutes regardless of the conditions But when the Freezer temp is lower than 5 C it will be regarded as an instant power failure starting in 5 minutes Replace MAIN PCB NO YES It repeats DC8 12V and DC 2V or lower between MAIN PCB GND and CN72 PIN 2 Possible ...

Page 73: ...stop heating and go back to Cooling Operation Start Replace the sensor Replace FUSE BLOCK and Defrost Heater Normal Check all the sensors Check Thermistor Heater and their contacts Repair or Replace defective relays or replace PCB Ass y Do Forced Defrost NO NO YES Defrost Sensor is normal with Self Diagnosis Check Thermistor Heater and their contacts NO YES YES Defrost Heater is normal FUSE in FUS...

Page 74: ...he PANEL PCB operate normal 1 Replace the relevant relay 2 Check LEAD WIRE contact NO YES Do the components such as the relays work properly Replace MAIN PCB NO YES Is there any defective soldering on PCB Is the 12V terminal normal Voltage at MAIN PCB C103 How to measure 1 Measure the input voltage of the primary Trans 2 Measure the output voltage of the secondary Trans A 3 Measure the output volt...

Page 75: ... MICOM PCB NO YES Check IC70 Replace PCB NO YES The C70 13 is LOW 0 7V Check RELAY Replace PCB NO YES The COMP RELAY is normal Completely insert the connector NO YES The contact of CONNECTOR CN70 is normal Repair or replace COMP NO YES COMP ASS Y is normal Normal Check all the connections The output of MICOM IC10 2 is HIGH L LE ED D S Se eg gm me en nt t T Ty yp pe e Press the Power Freeze Fridge ...

Page 76: ... is any foreign substance or short out component at MAIN PCB TEST JUMPER Start Find out any root causes such as being pushed out by food etc and correct it Gap exists Close well 2 When it keeps beeping Door is closed properly or not Replace Door Magnet Ass y NO YES Magnetic stripes on the door are good YES Wire Cut Defective REED S W Magnet Contact NO The MAIN 49 input voltage changes as the door ...

Page 77: ...e is any defective soldering If it is not a soldering problem it is recommended replacing MAIN PCB due to difficulties in repairing Start Check Replace MAIN PCB BUZZER NO YES DingDong sound goes off when a button on the display panel is pressed Select PANEL PCB Alarm On ICON NO NO NO PANEL PCB Alarm On ICON is selected YES Normal YES DoorAlarmgoesoff whenanyoneofFridge Freezerdoorsremainsbeing ope...

Page 78: ...t the defective contact NO DOOR PANEL PCB Connector is inserted properly NO Defective PANEL PCB YES It lights up when PANEL PCB is being replaced Check Fridge Door Wiring Short or Open Wire Check CABI Upper Wiring Short or Open Wire Check Short Open at MAIN PCB Panel Lamp Circuit Check Fridge Door Wire Short or Open Wire Check CABI Upper Wiring Short or Open Wire Check Short Open at MAIN PCB Panel...

Page 79: ...LAMP NO YES 4 2 8 When the fridge lamp does not turn on DOOR S W works normal Open Close Check MAIN PCB Wiring Replace or Repair PCB NO YES Relay output is normal Check Repair LAMP Input Wires NO YES Check Repair SMPS Output LED Input Wires NO LAMP has blown out YES LAMP input is normal 220 240V DOOR S W REED S W PBA MAIN MICOM Input RELAY Output LAMP Control AC LAMP DOOR MICOM STATE Door Close Op...

Page 80: ...ies the set temp YES DOOR S W is good Normal Replace PCB MAIN YES Check Connector CN90 NO YES MAIN PCB Connector CN91 is inserted normal Check Soldering Replace PCB NO YES Replace DAMPER NO DAMPER is normal YES Voltage is output from MICOM Pin 32 31 30 DOOR MICOM STATE Door Close Open MICOM 48 0V 5V MICOM CoolSelect Zone DAMPER STATE Close ING Open MICOM Damper 32 5V 0V 5V 31 0V 5V 30 0V 5V 0V Rem...

Page 81: ...CT ZONE BULB LAMP MODEL LED LAMP MODEL 90 5 6 FRIDGE CHILLED ROOM VEGETABLE BOX MODEL LED LAMP MODEL 94 5 7 FRIDGE BIG VEGETABLE BOX MODEL LED LAMP MODEL 98 5 8 FRIDGE RL38 MODEL 102 5 9 CABINET LCD MODEL 106 5 10 CABINET LED MODEL 109 5 11 CABINET LED SEMI MODEL 113 5 12 DOOR LCD MODEL 116 5 13 DOOR LED MODEL 120 5 14 DOOR LED DISPENSER MODEL 125 5 15 DOOR LED SEMI MODEL 130 ...

Page 82: ...82 1 3 3 5 5 1 5 2 5 6 5 3 5 5 5 4 4 7 7 1 7 2 7 5 7 10 7 4 7 8 7 9 2 6 8 9 5 7 7 6 7 7 7 11 7 3 EXPLODED VIEW PARTS LIST 5 1 Freezer LCD Model ...

Page 83: ...00146E DA31 00103H DA63 01809A DA63 01283C DA39 00060K 6002 000213 DA61 20128A DA63 01808A DA63 01976A DA63 01146A DA63 00771A DA63 40167A DA32 00006G DA97 04020A 6002 000215 ASSY TRAY FRE UPP TRAY ICE ASSY TRAY FRE MID ASSY TRAY FRE LOW ASSY EVAP FRE EVAP FRE PLATE DRAIN EVAP SPACER EVAP L SPACER EVAP R SENSOR ASSY REF THERMO FUSE ASSY FIXER SENSOR EVAP COVER FIXER HOUSING V COVER EVAP REAR FAN A...

Page 84: ...84 EXPLODED VIEW PARTS LIST 1 3 3 5 5 1 5 2 5 6 5 3 5 5 5 4 4 7 7 1 7 2 7 5 7 10 7 4 7 8 7 9 2 6 8 9 5 7 7 6 7 7 7 3 7 11 5 2 Freezer LED Model ...

Page 85: ...A31 00146E DA31 00103H DA31 00103J DA63 01809A DA63 01283C DA39 00060K 6002 000213 DA61 20128A DA63 01808A DA63 01976A DA63 01146A DA63 00771A DA63 40167A DA32 00006G DA97 04020A 6002 000215 ASSY TRAY FRE UPP TRAY ICE PLATE DRAIN EVAP SPACER EVAP L SPACER EVAP R SENSOR ASSY REF THERMO FUSE ASSY FIXER SENSOR EVAP COVER FIXER HOUSING V ASSY COVER EVAP REAR COVER EVAP REAR FAN AX112W5CCI MOTOR DC BLD...

Page 86: ...86 EXPLODED VIEW PARTS LIST 1 3 3 5 5 1 5 2 5 6 5 3 5 5 5 4 4 7 7 1 7 2 7 5 7 10 7 4 7 8 7 9 2 6 8 9 5 7 7 6 7 7 7 3 5 3 Freezer LED SEMI Model 1 ...

Page 87: ...2 00006B DA47 00095F DA61 02901A DA63 02902B DA97 04244E DA63 03076B DA31 00148A DA31 00103H DA63 01283C DA32 00006G 6002 000520 DA61 20128A DA63 00771A DA63 01976A DA63 40167A DA97 04020A 6002 000215 ASSY TRAY FRE UPP TRAY ICE ASSY TRAY FRE MID ASSY TRAY FRE LOW ASSY EVAP FRE EVAP FRE PLATE DRAIN EVAP SPACER EVAP L SPACER EVAP R SENSOR ASSY REF THERMO FUSE ASSY FIXER SENSOR EVAP COVER FIXER HOUSI...

Page 88: ...88 EXPLODED VIEW PARTS LIST 4 5 1 1 1 8 1 7 1 5 1 5 2 3 1 2 1 3 1 6 7 8 9 9 2 9 4 9 3 9 1 1 4 1 6 6 2 8 1 6 3 8 2 8 3 9 5 5 4 Fridge Cool Select Zone LED Lamp Model ...

Page 89: ...369 DA97 04091D DA97 04105A DA97 04100A DA63 01783F DA97 04102B DA66 00151A 6009 001293 DA32 00011N DA97 04106C DA31 00071D DA63 03189B DA62 01235A DA62 01299A DA62 01300A ASSY COVER MULTI REF COVER MULTI REF INSULATION MULTI REF A INSULATION MULTI REF B SEAL COVER MULTI LOW SENSOR ASSY FRE MOTOR DC DAMPER ASSY LAMP LED SCREW TAPPING COVER LAMP REF SCREW TAPPING ASSY SHELF REF ASSY CASE VEG UPP AS...

Page 90: ...90 EXPLODED VIEW PARTS LIST 1 1 3 1 4 1 6 1 5 4 5 6 7 8 9 9 2 9 4 9 3 9 1 6 2 8 1 6 3 8 2 8 3 9 5 3 2 LED TYPE 1 1 1 2 1 5 5 5 Fridge Cool Select Zone Bulb Lamp Model LED TYPE ...

Page 91: ... 00043C DA63 04119A DA41 00519A DA97 04091D DA97 04105A DA97 04100A DA63 01783F DA97 04102B DA66 00151A 6009 001293 DA32 00011N DA97 04106C DA31 00071D DA63 03189B DA62 01235A DA62 01299A DA62 01300A 6002 000216 ASSY COVER MULTI COVER MULTI REF INSULATION MULTI REF A INSULATION MULTI REF B SEAL COVER MULTI LOW SENSOR TEMP F SENSOR MOTOR DC DAMPER COVER LED LAMP LED LAMP ASSY SHELF REF ASSY CASE VE...

Page 92: ...92 EXPLODED VIEW PARTS LIST 1 1 1 7 1 7 1 5 2 3 1 2 1 3 1 1 4 1 8 1 6 4 5 6 2 6 1 6 7 7 2 7 1 5 6 Fridge Chilled Room Vegetable Box Model LED Lamp Model BLUB TYPE ...

Page 93: ...001201 4713 001206 DA97 04091D DA67 01446B DA97 04105A DA97 04105B DA97 04152A DA63 03051A DA63 03052B DA97 04149C DA63 03044A DA63 03054A 6002 000216 INSULATION MULTI REF B SEAL COVER MULTI LOW LAMP HOLDER ASSY ASSY WIRE HARNESS LAMP SENSOR ASSY FRE SENSOR TEMP ASSY MOTOR DC DAMPER COVER LAMP REF ASSY SHELF REF SHELF REF ASSY COVER CHILLED UPP COVER CHILLED UPP A COVER CHILLED UPP B ASSY TRAY CHI...

Page 94: ...94 EXPLODED VIEW PARTS LIST 1 5 3 2 LED TYPE 1 1 3 1 4 1 6 1 5 1 1 1 2 4 5 6 2 6 1 6 7 7 2 7 1 5 6 Fridge Chilled Room Vegetable Box Model LED Lamp Model LED TYPE ...

Page 95: ...A31 00043F DA63 04119A DA41 00519A DA97 04091D DA67 01446B DA97 04105A DA97 04105B DA97 04152A DA63 03051A DA63 03052B DA97 04149C DA63 03044A DA63 03054A 6002 000216 INSULATION MULTI REF B SEAL COVER MULTI LOW SENSOR TEMP MOTOR DC MOTOR DAMPER COVER LED LAMP LED LAMP ASSY SHELF REF SHELF REF ASSY COVER CHILLED UPP COVER CHILLED UPP A COVER CHILLED UPP B ASSY TRAY CHILLED ROOM COVER TRAY CHILLED T...

Page 96: ...96 EXPLODED VIEW PARTS LIST 1 1 1 7 1 7 1 5 2 3 1 2 1 3 1 1 4 1 8 1 6 6 6 1 6 3 6 2 4 5 5 1 5 7 Fridge Big Vegetable Box Model BLUB TYPE ...

Page 97: ...0011E DA32 10105R DA31 00043F DA63 03025A 4713 001201 DA67 01446B DA97 04151B DA63 03052A DA97 04149B DA61 02825B DA63 03044A DA63 03054A 6002 000216 INSULATION MULTI REF B SEAL COVER MULTI LOW LAMP HOLDER ASSY ASSY WIRE HARNESS LAMP SENSOR ASSY FRE SENSOR TEMP ASSY MOTOR DC DAMPER COVER LAMP REF LAMP INCANDESCENT SHELF REF ASSY SHELF VEG COVER CHILLED UPP B ASSY TRAY CHILLED ROOM GUIDE VEG COVER ...

Page 98: ...98 EXPLODED VIEW PARTS LIST 1 1 3 1 4 1 6 1 5 1 1 1 2 3 2 LED TYPE 6 6 1 6 3 6 2 4 5 5 1 5 7 Fridge Big Vegetable Box Model LED TYPE ...

Page 99: ...02404A DA62 01222A DA62 01229B DA32 10105R DA31 00043F DA63 04119A DA41 00519A DA67 01446B DA97 04151B DA63 03052A DA97 04149B DA61 02825B DA63 03044A DA63 03054A 6002 000216 INSULATION MULTI REF B SEAL COVER MULTI LOW SENSOR TEMP MOTOR DC MOTOR DAMPER COVER LED LAMP LED LAMP SHELF REF ASSY SHELF VEG COVER CHILLED UPP B ASSY TRAY CHILLED ROOM GUIDE VEG COVER TRAY CHILLED TRAY CHILLED ROOM SCREW TA...

Page 100: ...5 SELF DIAGNOSIS TROUBLE SHOOTING 100 EXPLODED VIEW PARTS LIST 1 1 1 7 1 7 1 5 2 3 1 2 1 3 1 1 4 1 8 1 6 6 6 1 6 3 6 2 4 5 5 8 Fridge RL38 Model BLUB TYPE ...

Page 101: ...1249A DA62 01222A DA62 01229B DA47 40001C DA96 00286A DA32 00006N DA31 00043F DA63 03025A 4713 001201 DA67 01446B DA67 01469A DA97 04150A DA61 02826B DA61 02889A DA63 03170A 6002 000216 ASSY COVER MULTI REF COVER MULTI REF INSULATION MULTI REF A INSULATION MULTI REF B SEAL COVER MULTI LOW LAMP HOLDER ASSY ASSY WIRE HARNESS LAMP SENSOR ASSY FRE MOTOR DC DAMPER COVER LAMP REF LAMP INCANDESCENT SHELF...

Page 102: ...102 5 SELF DIAGNOSIS TROUBLE SHOOTING EXPLODED VIEW PARTS LIST 3 2 LED TYPE 1 1 3 1 4 1 6 1 5 1 1 1 2 6 6 1 6 3 6 2 4 5 1 5 5 8 Fridge RL38 Model LED TYPE ...

Page 103: ...D TYPE LED TYPE LED TYPE NORMAL DA97 08250A DA63 05277A DA62 02402A DA62 01222A DA62 01229B DA32 10105R DA31 00043F DA63 04119A DA41 00519A DA67 01446B DA67 01469A DA97 04150A DA61 02826B DA61 02889A DA63 03170A 6002 000216 ASSY COVER MULTI COVER MULTI REF INSULATION MULTI REF A INSULATION MULTI REF B SEAL COVER MULTI LOWSENSOR TEMP MOTOR DC MOTOR DAMPER COVER LED LAMP LED LAMP SHELF REF SHELF VEG...

Page 104: ...NG EXPLODED VIEW PARTS LIST 1 13 1 1 1 2 1 3 1 4 2 3 4 2 3 2 1 2 2 12 13 2 15 13 1 15 2 15 1 16 17 17 21 21 1 21 2 22 18 19 20 14 2 16 2 16 1 14 19 3 21 3 23 34 36 35 37 24 25 27 31 32 5 6 7 39 8 9 40 LED TYPE 10 11 5 9 Cabinet LCD Model ...

Page 105: ...7 01584G DA67 01584H DA34 00043A DA63 03029A DA63 03029B DA63 03029C DA67 01433G DA67 01433H DA67 01433J DA97 04064A DA63 03074A DA32 00011P DA96 00285B DA97 05669F DA97 05669G DA97 05669H DA97 05668F DA97 05668G DA97 05668H DA63 03020B DA61 02742A DA41 00364C DA41 00364D DA41 00372A DA26 00009K DA27 00002A 2501 001186 DA97 03899A DA97 03900A DA67 00195A DA97 03955F DA97 03955G DA97 03955H DA63 03...

Page 106: ...A DA61 02756B 6001 000039 DA61 00805A DA34 10004A DA35 10013B DA63 01363B DA97 03896A DA64 01806A DA61 40126B DA60 90146A MD4A1QL1U E02 DA63 01933C DA63 02017A DA60 20008A 6011 001656 DA62 01514A 6002 000458 DA60 10123E 6011 001656 DA63 40171B DA63 40171D 6002 000213 6001 000033 DA60 00015A DA60 40104J DA97 03985B 6002 000213 DA96 00628E DA41 00372A COVER LEG FRONT CAP HOLE HINGE LOW SCREW TAPPING...

Page 107: ...TING EXPLODED VIEW PARTS LIST 37 35 1 4 1 11 1 1 1 2 1 3 5 6 7 8 9 10 2 2 3 2 1 2 2 13 11 2 11 1 14 15 15 19 19 1 19 2 20 16 17 18 12 2 14 1 12 17 3 13 2 13 1 14 2 19 3 21 32 34 33 22 23 25 29 30 3 4 38 LED TYPE 5 10 Cabinet LED Model ...

Page 108: ...0362L DA41 00362M DA26 00009K DA26 00009J 2501 001186 2501 001045 DA97 03899A DA97 03900A ASSY CAP CABI LED CAP CABI LED SWITCH REED ASS Y COVER WIRE HINGE L CAP HOLE HINGE UPP ASSY COVER WIRE CABI COVER WIRE CABI SENSOR TEMP EXT ASSY W HARNESS DISPLAY ASSY CAP CABI SIDE L ASSY CAP CABI SIDE R COVER PCB PANEL CASE PCB PANEL PBA MAIN TRANS POWER C OIL ASSY HINGE UPP ASSY HINGE MID R RL L U US S R R...

Page 109: ...11 001656 DA62 01514A 6002 000458 DA60 10123E 6011 001656 CAP HINGE HOLE MID ASSY COVER LEG FRONT COVER LEG FRONT CAP HOLE HINGE LOW SCREW TAPPING ASSY HINGE LOW HINGE LOW GUIDE AUTO CLOSE SCREW MACHINE FOOT FRONT RELAY PROTECTOR O L RELAY PTC COVER RELAY ASSY CHASSIS COMP CHASSIS COMP CASTER REAR PIN CASTER COMPRESSOR TRAY DRAIN WATER GROMMET COMP BOLT HEX BOLT HEX DRYER SCREW TAPPING SCREW HEX B...

Page 110: ...9 3 30 0 3 31 1 3 32 2 3 33 3 3 34 4 3 35 5 3 36 6 3 37 7 3 38 8 2 1 9 1 1 1 1 2 1 1 SA SA SA SNA SNA SA SA SA SA SA DA63 40171B DA63 40171D 6002 000213 6001 000033 DA60 00015A DA60 40104J DA97 03985B 6002 000213 DA96 00628E DA41 00372A GROMMET SUCT PIPE A GROMMET SUCT PIPE B SCREW TAPPING SCREW MACHINE WASHER WASHER ASSY COVER COMP SCREW TAPPING ASSY FUSE BLOCK PBA SMPS LED SUB Only for R600a Mod...

Page 111: ...PLODED VIEW PARTS LIST 37 LED TYPE 35 1 4 1 8 1 11 1 1 1 2 1 3 2 1 7 2 3 2 1 2 2 5 6 7 8 9 10 13 11 2 11 1 14 15 15 19 19 1 19 2 20 16 17 18 12 2 13 2 13 1 14 2 14 1 12 17 3 19 3 21 32 34 33 22 23 25 29 30 1 6 3 4 5 11 Cabinet LED SEMI Model ...

Page 112: ...029C DA63 03029D DA63 03029B DA67 01433J DA67 01433K DA67 01433H DA63 03079A DA64 01824A DA64 01824B DA64 01824C DA63 03080A DA41 00370A 6002 000466 DA97 04064C DA63 03074A DA32 00011P DA96 00285C DA97 05669G DA97 05669H DA97 05669J DA97 05668G DA97 05668H DA97 05668J DA63 03020B DA61 02742A DA41 00362C DA26 00009K 2501 001186 DA97 03899A DA97 03900A DA67 00195A DA97 03955G DA97 03955H DA97 03955J...

Page 113: ... DA61 00805A DA34 10004A DA34 10003K DA35 10013B DA63 01363B DA63 01866A DA97 03896A DA64 01806A DA61 40126B DA60 90146A MD4A1QL1U E02 MK172QL2U E18 DA63 01933C DA63 02017A DA60 20008A 6011 001656 DA62 01514A 6002 000458 DA60 10123E 6011 001656 DA63 40171B DA63 40171D 6002 000213 6001 000033 DA60 00015A DA60 40104J DA97 03985B 6002 000213 DA41 00372A CAP HOLE HINGE LOW SCREW TAPPING ASSY HINGE LOW...

Page 114: ...ELF DIAGNOSIS TROUBLE SHOOTING EXPLODED VIEW PARTS LIST 1 14 12 4 8 11 15 11 6 6 6 5 6 7 16 16 3 16 2 16 1 17 7 1 7 2 3 2 14 14 14 16 5 17 16 16 3 16 2 16 1 16 9 16 8 16 7 16 8 16 4 13 10 9 5 12 Door LCD Model ...

Page 115: ...900A DA64 01899A DA61 02773B DA91 02262B DA91 02262C DA91 02262E DA91 02262V DA91 02262Z DA97 04098A DA67 00859B DA67 00859C DA67 00859D ASSY DOOR FOAM REF ASSY GASKET DOOR REF COVER WIRE DOOR CAP SPACE DOOR COVER WIRE HINGE R GROMMET HINGE ASSY COVER CONTROL ASSY COVER CONTROL SUB PBA PANEL LCD SCREW TAPPING ASSY GUARD DAIRY TRIM GUARD VARIETY TRIM GUARD BOTTLE STOPPER DOOR ASSY DOOR FOAM FRE ASS...

Page 116: ...953N DA97 03953Q DA97 03953R DA97 03953S DA97 03953T DA61 02774A DA61 02774B DA61 02774D CAP HINGE HOLE ASSY HANDLE EASY HANDLE BAR CAP HANDLE SIDE SUPPORT HANDLE A SUPPORT HANDLE B SLIDER HANDLE SPRING ETC HANDLE SHAFT HANDLE COVER SUPT HANDLE REAR COVER SUPT HANDLE FRONT ASSY SCREW TAPPING COVER SLIDER HANDLE SCREW MACHINE ASSY HANDLE SUPPORT HANDLE UPP SA SA SA SA SNA SA SA SA SA SNA SA SA SA S...

Page 117: ...16 6 3 3 1 17 7 1 18 8 DA61 02775A DA61 02775B DA61 02775D DA64 01815A DA64 01815B DA64 01916A DA64 01916B DA67 01438H DA67 01438J DA67 01438K 6001 001767 SUPPORT HANDLE LOW HANDLE BAR CAP SCREW HANDLE SCREW MACHINE SA SA SA SA 1 1 4 4 RL US RL IS RL IH RL PS RL TB ABS RL CUS ABS RL CIS ABS RL CTB AL RL GIS AL RL GIH AL RL GPS AL RL GTB RL PS RL US RL IS RL IH RL TB ...

Page 118: ...F DIAGNOSIS TROUBLE SHOOTING EXPLODED VIEW PARTS LIST 1 14 12 4 11 15 11 6 6 6 5 6 7 7 1 7 2 7 3 3 14 14 14 16 16 3 16 2 16 1 17 16 5 17 16 16 3 16 2 16 1 16 9 16 8 16 7 16 8 16 4 8 2 13 10 9 5 13 Door LED Model ...

Page 119: ...437A DA67 01437B DA67 01437C DA67 01437D DA63 03030A DA63 03030B DA63 03030C DA63 03030D DA63 03046A DA97 04022T DA97 04022U DA97 04022V DA97 04022W DA97 04006S DA97 04006T DA97 04006U DA97 04006V DA63 03047A ASSY DOOR FOAM REF ASSY GASKET DOOR REF COVER WIRE DOOR CAP SPACE DOOR COVER WIRE HINGE R GROMMET HINGE ASSY COVER CONTROL ASSY COVER CONTROL SUB GASKET KNOB CONTROL SA SA SA SA SA SA SA SA S...

Page 120: ...DA67 01612B DA67 01612C DA67 01612D DA97 05332A DA97 05332B DA97 05332C DA64 01974A DA64 01974C DA64 01974D DA67 01452A DA67 01452C DA61 02912A DA61 02912C DA61 02912B PBA PANEL LED SCREW TAPPING ASSY GUARD DAIRY TRIM GUARD VARIETY GUARD VARIETY TRIM GUARD BOTTLE GUARD BOTTLE STOPPER DOOR ASSY DOOR FOAM FRE ASSY GASKET DOOR FRE CAP DOOR HANDLE CAP HINGE HOLE ASSY HANDLE EASY HANDLE BAR CAP HANDLE ...

Page 121: ...97 03953N DA97 03953P DA97 03953Q DA97 03953R DA97 03953S DA97 03953T DA97 03953U DA61 02774A DA61 02774B DA61 02774C DA61 02774D DA61 02775A DA61 02775B DA61 02775C DA61 02775D SUPPORT HANDLE B SLIDER HANDLE SPRING ETC HANDLE SHAFT HANDLE COVER SUPT HANDLE REAR COVER SUPT HANDLE FRONT ASSY SCREW TAPPING COVER SLIDER HANDLE SCREW MACHINE ASSY HANDLE SUPPORT HANDLE UPP SUPPORT HANDLE LOW SA SA SA S...

Page 122: ...8E 1 16 6 3 3 1 17 7 1 18 8 DA64 01815A DA64 01815B DA64 01815C DA64 01815D DA64 01916A DA64 01916B DA64 01916C DA67 01438D DA67 01438H DA67 01438J DA67 01438K 6001 001767 HANDLE BAR CAP SCREW HANDLE SCREW MACHINE SA SA SA 1 4 4 ABS RL CUS ABS RL CIS ABS RL CIH ABS RL CTB ABS RL CPS ABS RL CSW AL RL GIS AL RL GPS AL RL GTB AL RL GSW RL SW RL PS RL US RL IS RL IH RL TB ...

Page 123: ...odel EXPLODED VIEW PARTS LIST 14 19 12 4 22 23 22 5 22 4 19 2 19 1 19 3 20 22 1 22 2 22 3 8 9 10 11 15 11 6 6 6 5 6 7 21 7 1 7 2 7 3 3 14 14 14 1 16 16 3 16 2 16 1 17 16 5 17 16 16 3 16 2 16 1 16 9 16 8 16 7 16 8 16 4 2 13 22 22 5 22 1 22 3 22 8 22 2 22 3 22 6 22 4 ...

Page 124: ...DA41 00369G DA41 00369J 6002 000466 DA97 03880A DA63 03313A DA63 03312A DA61 02773B DA91 02262B DA91 02262C DA91 02262D DA91 02262E DA91 02262G DA91 02262H ASSY DOOR FOAM REF ASSY GASKET DOOR REF COVER WIRE DOOR CAP SPACE DOOR COVER WIRE HINGE R GROMMET HINGE ASSY COVER CONTROL ASSY COVER CONTROL SUB GASKET KNOB CONTROL PBA PANEL LED SCREW TAPPING ASSY GUARD DAIRY GUARD VARIETY GUARD BOTTLE STOPPE...

Page 125: ...53R DA97 03953S DA97 03953T DA97 03953U DA61 02774A DA61 02774B DA61 02774C DA61 02774D ASSY DOOR FOAM FRE ASSY GASKET DOOR FRE CAP DOOR HANDLE CAP HINGE HOLE ASSY HANDLE EASY HANDLE BAR CAP HANDLE SIDE SUPPORT HANDLE A SUPPORT HANDLE B SLIDER HANDLE SPRING ETC HANDLE SHAFT HANDLE COVER SUPT HANDLE REAR COVER SUPT HANDLE FRONT ASSY SCREW TAPPING COVER SLIDER HANDLE SCREW MACHINE ASSY HANDLE SUPPOR...

Page 126: ...63 03306C DA63 03306E DA97 02005A DA63 00240B DA65 20004B DA67 30216C DA74 00051B DA97 00217D SUPPORT HANDLE LOW HANDLE BAR CAP SCREW HANDLE SCREW MACHINE ASSY LEVER DISP CASE LEVER DISPENSER SPRING ETC LEVER LEVER DISPENSER TRAY DISPENSER COVER DISPENSER ASSY TANK WATER COVER TANK WATER CLAMPER BAG CLAMP TANK CAP WATER TANK WATER TANK WATER WATER ASSY COCK DISPENSER SA SA SA SA SA SA SA SA SA SA ...

Page 127: ...888A DA63 03993A DA65 20004B DA67 01883A DA67 01884A DA97 00217D DA29 00017A DA61 03989A DA97 05895A DA71 20155C ASSY TANK WATER COVER TANK WATER CLAMPER BAG CLAMP TANK CAP COVER TANK TANK WATER ASSY COCK DISPENSER FILTER WATER ASSY CASE FILTER TANK ASSY INDICATOR FILTER ASSY FIXER CASE SA SA SNA SA SA SA SA SA SA SA 1 1 2 1 1 1 1 1 1 1 Parts List of Door LED Dispenser W WA AT TE ER R T TA AN NK K...

Page 128: ...128 5 SELF DIAGNOSIS TROUBLE SHOOTING EXPLODED VIEW PARTS LIST 1 13 11 4 10 15 11 6 6 6 5 6 15 16 15 3 15 2 15 1 3 13 13 13 7 2 12 9 8 5 15 Door LED SEMI Model ...

Page 129: ...2773A DA91 02262C DA91 02262D DA91 02325A DA91 02325B DA91 02325C DA91 02325H DA91 02325D DA91 02325E DA91 02325F DA91 02325G DA97 04098A DA67 00859C DA67 00859D DA67 00859E DA67 01612B DA67 01612C DA67 01612D ASSY DOOR FOAM REF ASSY GASKET DOOR REF COVER WIRE DOOR CAP SPACE DOOR COVER WIRE HINGE R GROMMET HINGE ASSY GUARD DAIRY GUARD VARIETY GUARD BOTTLE STOPPER DOOR ASSY DOOR FOAM FRE ASSY GASKE...

Page 130: ...5 5 1 1 1 15 5 2 2 1 15 5 3 3 1 16 6 1 17 7 DA97 03953K DA97 03953P DA61 02774B DA61 02774C DA61 02775B DA61 02775C DA64 01815C DA64 01815D DA67 01438H DA67 01438D 6001 001767 ASSY HANDLE SUPPORT HANDLE UPP SUPPORT HANDLE LOW HANDLE BAR CAP SCREW HANDLE SCREW MACHINE SA SA SA SA SA SA 2 1 1 1 4 4 ABS RL CPS ABS RL CSW RL PS RL SW RL PS RL SW ABS RL CPS ABS RL CSW RL PS RL SW ...

Page 131: ...WER TERMINAL SUPPLY DAMPER HEATER SUPPLY POWER FROM CN10 CONNECTOR 6 EEPROM SAVE WRITE EVERY DATA 7 CONNECTOR PART THAT CONNECTS AC LOAD 8 OPERATE RECEVING DRIVING SIGNAL OF MICOM THROUGH SINK IC BY CONTROLLING AC LOAD TO REPLAY PART 9 TRANSFER NOISE TO MICOM BY REMOVING AS RECEIVING INPUTS OF EVERY SENSOR SIGNALS AND SENSE DOOR OPEN OF COLD ROOM 10 SUPPLY POWER TO MOTOR BY TYPES OF MOTOR TILL 1OV...

Page 132: ...ER SUPPLY POWER FROM CN10 CONNECTOR 6 EEPROM SAVE WRITE EVERY DATA 7 CONNECTOR PART THAT CONNECTS AC LOAD 8 OPERATE RECEVING DRIVING SIGNAL OF MICOM THROUGH SINK IC BY CONTROLLING AC LOAD TO REPLAY PART 9 TRANSFER NOISE TO MICOM BY REMOVING AS RECEIVING INPUTS OF EVERY SENSOR SIGNALS AND SENSE DOOR OPEN OF COLD ROOM 10 SUPPLY POWER TO MOTOR BY TYPES OF MOTOR TILL 1OV 12V OF FAN MOTOR DRIVING PART ...

Page 133: ...HOOTING 1 AC INPUT IT S OPTION SETTING AND POWER INPUT OF LED LAMP CONTROLLING IT SUPPLIES INPUT POWER BY POWER SUPPLIED FROM PBA MAIN 2 DC OUTPUT OUTPUT FOR LED LAMP POWER SUPPLY 6 1 3 LCD MODEL PBA SMPS LED SUB OPTION PCB DIAGRAM ...

Page 134: ...134 5 SELF DIAGNOSIS TROUBLE SHOOTING 7 1 RL44Q LCD Display BLDC Motor 7 WIRING DIAGRAM ...

Page 135: ...135 5 SELF DIAGNOSIS TROUBLE SHOOTING 7 2 RL44 41F LCD Display AC Motor WIRING DIAGRAM ...

Page 136: ...136 5 SELF DIAGNOSIS TROUBLE SHOOTING 7 3 RL41 38H LED Display BLDC Motor WIRING DIAGRAM ...

Page 137: ...137 5 SELF DIAGNOSIS TROUBLE SHOOTING WIRING DIAGRAM 7 4 RL44 41 38 E W LED Display AC Motor ...

Page 138: ...138 5 SELF DIAGNOSIS TROUBLE SHOOTING WIRING DIAGRAM 7 5 RL44 41 38 S SEMI Display AC Motor ...

Page 139: ...AGNOSIS TROUBLE SHOOTING 8 CIRCUIT DIAGRAM AC13V 18V AC220V 240V DC5V DC5V DC5V DC5V DC5V DC5V 12V DC12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V 8 1 BLOCK DIAGRAM 8 1 1 RL44Q LCD Display BLDC Motor BULB TYPE ...

Page 140: ...140 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 1 2 RL44 41F LCD Display AC Motor BULB TYPE CIRCUIT DIAGRAM AC13V 18V AC220V 240V DC5V DC5V DC5V DC5V DC5V 12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V ...

Page 141: ...LF DIAGNOSIS TROUBLE SHOOTING 8 1 3 RL41 38H 44 41P LED Display BLDC Motor BULB TYPE CIRCUIT DIAGRAM AC13V 18V AC220V 240V DC5V DC5V DC5V DC5V 12V DC5V 12V DC12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V ...

Page 142: ...42 5 SELF DIAGNOSIS TROUBLE SHOOTING CIRCUIT DIAGRAM 8 1 4 RL44 41 38 E W LED Display AC Motor BULB TYPE AC13V 18V AC220V 240V DC5V DC5V DC5V 12V DC5V 12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V ...

Page 143: ...143 5 SELF DIAGNOSIS TROUBLE SHOOTING AC13V 18V AC220V 240V DC5V DC5V DC5V 12V DC5V 12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V 8 1 5 RL44 41 38 S SEMI Display AC Motor BULB TYPE CIRCUIT DIAGRAM ...

Page 144: ...AGNOSIS TROUBLE SHOOTING 8 CIRCUIT DIAGRAM AC13V 18V AC220V 240V DC5V DC5V DC5V DC5V DC5V DC5V 12V DC12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V 8 1 BLOCK DIAGRAM 8 1 1 RL44Q LCD Display BLDC Motor LED TYPE ...

Page 145: ...145 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 1 2 RL44 41F LCD Display AC Motor LED TYPE CIRCUIT DIAGRAM AC13V 18V AC220V 240V DC5V DC5V DC5V DC5V DC5V 12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V ...

Page 146: ...ELF DIAGNOSIS TROUBLE SHOOTING 8 1 3 RL41 38H 44 41P LED Display BLDC Motor LED TYPE CIRCUIT DIAGRAM AC13V 18V AC220V 240V DC5V DC5V DC5V DC5V 12V DC5V 12V DC12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V ...

Page 147: ...147 5 SELF DIAGNOSIS TROUBLE SHOOTING CIRCUIT DIAGRAM 8 1 4 RL44 41 38 E W LED Display AC Motor LED TYPE AC13V 18V AC220V 240V DC5V DC5V DC5V 12V DC5V 12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V ...

Page 148: ...148 5 SELF DIAGNOSIS TROUBLE SHOOTING AC13V 18V AC220V 240V DC5V DC5V DC5V 12V DC5V 12V DC12V DC12V AC220V 240V AC220V 240V AC220V 240V 8 1 5 RL44 41 38 S SEMI Display AC Motor LED TYPE CIRCUIT DIAGRAM ...

Page 149: ...149 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 2 CONNECTOR ARRANGEMENT AND DETAIL EXPLANATION 8 2 1 BLOCK DIAGRAM LCD Display BLDC Motor CIRCUIT DIAGRAM ...

Page 150: ...150 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 2 2 BLOCK DIAGRAM LCD Display AC Motor CIRCUIT DIAGRAM ...

Page 151: ...151 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 2 3 BLOCK DIAGRAM LED Display BLDC Motor CIRCUIT DIAGRAM ...

Page 152: ...152 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 2 4 BLOCK DIAGRAM LED Display AC Motor CIRCUIT DIAGRAM ...

Page 153: ...153 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 2 5 BLOCK DIAGRAM SEMI Display AC Motor CIRCUIT DIAGRAM ...

Page 154: ...154 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 2 6 BLOCK DIAGRAM PBA SMPS LED SUB OPTION CIRCUIT DIAGRAM ...

Page 155: ...155 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 3 CIRCUIT DIAGRAM CIRCUIT DIAGRAM 8 3 1 LCD MODEL BULB TYPE ...

Page 156: ...156 5 SELF DIAGNOSIS TROUBLE SHOOTING CIRCUIT DIAGRAM 8 3 2 LED MODEL SEMI MODEL BULB TYPE ...

Page 157: ...157 5 SELF DIAGNOSIS TROUBLE SHOOTING 8 3 CIRCUIT DIAGRAM CIRCUIT DIAGRAM 8 3 1 LCD MODEL LED TYPE ...

Page 158: ...158 5 SELF DIAGNOSIS TROUBLE SHOOTING CIRCUIT DIAGRAM 8 3 2 LED MODEL SEMI MODEL LED TYPE ...

Page 159: ...159 5 SELF DIAGNOSIS TROUBLE SHOOTING 9 REFERENCE INFORMATION 9 1 REFRIGERATION CYCLE 162 9 2 FUNCTION FEATURE 163 9 3 CIRCUIT DESCRIPTION 177 9 4 NOMENCLATURE 202 ...

Page 160: ...ack cluster Side cluster Freezer Hot pipe Dryer Capillary tube Freezer Evaporator Suction pipe Compressor Note No hot pipe for refrigerator For A grade model back cluster pipe is not applied REFERENCE INFORMATION 9 1 Refrigeration Cycle ...

Page 161: ...econds since the unit is plugged into power In 30 seconds since any one of the doors Fridge is closed When there is no button push after a button is pressed 3 Back Light Off When the Power Off function is selected with the Operation button being pressed for 3 seconds Black linear lines can be noticed on LCD It is due to a mixture of static electricity and LCD characteristics It goes away as time p...

Page 162: ...reezer Fridge CoolSelect Zone Vacation Super Freeze AlarmON Freezer Repeating When a compartment or the functions in the Option is selected each one s sub function part blinks i e 7 segments with Fridge But if there is no button press within 5 seconds after the first step selection i e Fridge Freezer etc it will stop blinking 2 After the first step selection it can be set in detail with the Select...

Page 163: ...der 2 Fridge Temperature Setting 2 1 To set the Fridge temperature press the Menu button and select the Fridge section Then its temperature can be set to 7 C 1 C with the Select button in the following order 2 2 The Freezer Fridge setting temperatures may show a little difference depending on the amount of food stocked inside and the ambient temperature When food is stored too close to the tempera...

Page 164: ...en it is set to the Fridge temperature shifting mode and there is a new setting during the operation of the vacation function the Vacation function stops immediately When the vacation function is deactivated with the Select button the Vacation indicator lamp goes off and the Vacation function stops operating immediately 2 2 When the Vacation function is on it is possible to shift the Freezer tempe...

Page 165: ... lamp lights up and it is automatically set to the Alarm On mode to be triggered by the Fridge door open After it is set to the Alarm selection mode by pressing the Menu button the Alarm function can be activated and deactivated with the Select button When the Alarm ON function is cancelled the Alarm ON indicator lamp goes off With the Alarm ON function deactivated the alarm does not go off even u...

Page 166: ...inimumrealtime5hoursExecutedefrosting Classification General Defrost Conditions Defrost Mode Freezer room 15 C 15 C Remarks For A S The Defrost Off temperature can be changed for the purpose of performance enhancement without a notice NOTE REFERENCE INFORMATION 5 It carries out the Precooling function when it becomes a time for defrosting with the ambient temperature of 18 C or less With the Preco...

Page 167: ...tion Error Display Function 1 Indicating Communication Error between Display Panel MICOM 1 1 When there is no replying signal from MICOM on the panel PCB for 10 seconds after it has got a communication request the entire display panel blinks until the Communication Error is wiped out 0 5 sec On 0 5 sec Off But Pc Er lights up on the display panel for the Communication Error 1 2 When more than 2 or...

Page 168: ...168 5 SELF DIAGNOSIS TROUBLE SHOOTING REFERENCE INFORMATION 9 2 2 1 Display Design 9 2 2 Function Feature LED Model KEY OPERATION Operation Fridge Freezer Vacation Super Freeze Alarm On ...

Page 169: ...E 2 Fridge Temperature Setting 2 1 To set the Fridge temperature press the Menu button and select the Fridge section Then its temperature can be set to 7 C 1 C with the Select button in the following order When the unit is plugged into power the Freezer and the Fridge compartments are to be set to 20 C and 3 C respectively At this time the Fridge temperature showing on the display panel indicates ...

Page 170: ...play will be off When setting the Fridge temperature the Vacation function will stop immediately When the Vacation button is being pressed during the Vacation function the LED lamp and the Vacation function will be off 2 2 When the Vacation function is on it is possible to shift the Freezer temperature 2 3 When the vacation function is on it is not possible to control the Fridge compartment and th...

Page 171: ...he compressor and other components runs according to the status of the refrigerator In other words all of the components go back into their normal operational statuses Use only if it is necessary It can trigger non sense calls from the customers So make sure it is not a problem 9 2 2 5 Alarm On Function When the Freezer temperature is higher than 5 C at the initial power on the Alarm On LED lamp l...

Page 172: ...es the heating after running the compressor and the Freezer Fan for 50 minutes 6 Under the following multiple conditions the defrost cycle will be set to 19Hr No R Door opening with the Ambient temperature range of 23 27 C The Fridge temperature does not exceed Trset_on 6 C when the compressor starts running The Freezer temperature does not exceed Trset_on 4 C 7 The D Heater Off temperatures are a...

Page 173: ... And when the Freezer temperature is lower than 5 C MICOM considers it as an instant power failure and displayst he stored temperature settings NOTE When the unit is plugged into power the Freezer and the Fridge compartments are to be set to 19 C and 3 C respectively Temperature can be set with one button and it has 5 settings from Colder to Coldest But when the temperature setting button is being...

Page 174: ...es the heating after running the compressor and the Freezer Fan for 50 minutes 6 Under the following multiple conditions the defrost cycle will be set to 19Hr No R Door opening with the Ambient temperature range of 23 27 C The Fridge temperature does not exceed Trset_on 6 C when the compressor starts running The Freezer temperature does not exceed Trset_on 4 C 7 The D Heater Off temperatures are a...

Page 175: ...OMP delay will be initiated When the power gets back on and the Freezer temp is lower than 5 C it will be considered as an instant power failure restoring all the previous settings 6 The default setting for the Freezer fan is the BLDC motor or the AC fan motor option The AC fan motor is assembled in connection with the compressor and the main MICOM does not control it separately Even though the un...

Page 176: ...rated 2 On impression to power source B the voltage across of the CN10 is around 14VAC supplied from a stepped down voltage on the secondary side of the transformer and this is rectified to DC voltage through a rectification circuit Diode D105 D108 An output of around 13 2VDC is supplied to the Motor and the Damper The power of the power source B can vary according to the option specification 1 Th...

Page 177: ... the contact of the door switch is connected to Gnd As the contact is connected to Gnd according to the position of the door HIGH 5V or LOW 0V signal is sent to the MICOM MICOM detects the open close position of the refrigerator door with this voltage change Note If the door switch has a fault the damper in the refrigerator compartment can be incorrectly operated or the alarm function is initiated...

Page 178: ...ensor corresponding to the temperature and the value converted to the voltage As it also has the terminal voltage of the MICOM refer to this on after sales service Rth is the resistance value of the sensor As this value is changed by the temperature of the sensor refer to the resistance value of the sensor corresponding to the temperature 4 As all temperature sensors applied to the refrigerator ar...

Page 179: ...2 4 84 2 86 87 8 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 Resistance 3 107 3 057 3 006 2 955 2 904 2 853 2 802 2 751 2 700 2 649 2 599 2 548 2 498 2 449 2 399 2 350 2 301 2 253 2 205 2 158 2 111 2 064 2 019 1 974 1 929 1 885 1 842 1 799 1 757 1 716 1 675 1 636 1 596 1 558 1 520 1 483 1 447 1 412 1 377 1 343 1 309 1 277 1 253 1 213 1 183 Voltage V 16419 15731 15076 14452 13857 13290 12749 12233 1174...

Page 180: ...The communication ports are SI SO and SCK and if there is communication error on one of those the error is indicated If there is a communication failure between Panel and Main PCB Er Pc is flashing on the panel display until the communication error is clear 3 In this case firstly check the cable housing and connection Secondly test the signals on the Display SI SO and SCX An oscilloscope is need T...

Page 181: ...sed but AC Motor is used The LCD Model which AC MOTOR is used is described in the Load Driving Circuit Part 9 3 1 9 Fan Motor BLDC Driving Circuit Part 1 The circuit is made up as above Alarms are separately controlled in the MICOM and operated by sending different signals according to the setting value The several alarm levels can be made according to key control The power of 12V is steadily impr...

Page 182: ... refrigerator The voltage error is less than 0 2V Note While the fan motors in the freezer and the refrigerator compartments are running at high RPM or low RPM depending on the condition the present model is set with one RPM To improve performance the RPM voltage frequency etc of the motor can be changed without notice in advance 2 Operating principle The above circuit shows that each motor has a ...

Page 183: ...nt is adjusted in condition By IC90 and IC91 the electric power is supplied to the damper motor stepping motor through the 4 wires which are A A B and B The motor rotated forward and in reverse On initial energizing 4 0 4 5V When the damper heater is on 0V When the damper heater is off 4 0V 4 5V Status of MICOM No 24 1 The damper in the chammart compartment is controlled by MICOM To check the damp...

Page 184: ...27 C and if the temperature in the freezer compartment is between Tfset on 2 and Tfset off 2 comparing the setting value of the temperature based on MICOM the heater is turned off EEPROM is a semiconductor memory that data is not deleted even though the power is off Using EEPROM This model can save the data of the refrigerator which the customer has set even in the area that the electric power is ...

Page 185: ...o the GND through No 11 of the IC70 As magnetic lines of force electromagnet are generated during flowing current though the coil the contact of the secondary side load side in the RY74 is closed and then the AC input 220 240VAC across the defrosting heater turns on the heater In case that the Pin no 2 of the MICOM becomes LOW 0V the Pin no 11 of the IC70 opens Switch off state and the power is of...

Page 186: ...ion control power source receives the power from the lamp control relay and simply supply 12VDC check the input and the 12VDC output when the door opens Refer to the SMPS PBA picture in the driving circuit below Load Driving Circuit Part PCB Circuit The defrosting heater explained as an example ...

Page 187: ... is measured when power is on and if it is under 5 C it is judged as a momentary interruption In this case all functions are restored to the operating status before momentary interruption 4 BLDC Motor or AC Fan Motor is as an option specified for the fan in the freezer compartment and it is applied on setting and assembling AC Fan Motor is wired in link with the compressor and not controlled by th...

Page 188: ... 5VDC made by REG2 7805 is supplied to the Refrigerator control MICOM and the Panel PCB With these power the whole PCB parts are properly operated 2 On impression to power source B the voltage across of the CN10 is around 14V AC supplied from a stepped down voltage on the secondary side of the transformer and this is rectified to DC voltage through a rectification circuit Diode D105 D108 An output...

Page 189: ... CN30 through R401 and the contact of the door switch is connected to Gnd As the contact is connected to Gnd according to the position of the door HIGH 5V or LOW 0V signal is sent to the MICOM MICOM detects the open close position of the refrigerator door with this voltage change Note If the door switch has a fault the damper in the refrigerator compartment can be incorrectly operated or the alarm...

Page 190: ...e thermistor corresponding to temperature Refer to the table in this manual showing the resistance of the sensor corresponding to the temperature and the value converted to the voltage As it also has the terminal voltage of the MICOM refer to this on after sales service Rth is the resistance value of the sensor As this value is changed by the temperature of the sensor refer to the resistance value...

Page 191: ...2 4 84 2 86 87 8 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 Resistance 3 107 3 057 3 006 2 955 2 904 2 853 2 802 2 751 2 700 2 649 2 599 2 548 2 498 2 449 2 399 2 350 2 301 2 253 2 205 2 158 2 111 2 064 2 019 1 974 1 929 1 885 1 842 1 799 1 757 1 716 1 675 1 636 1 596 1 558 1 520 1 483 1 447 1 412 1 377 1 343 1 309 1 277 1 253 1 213 1 183 Voltage V 16419 15731 15076 14452 13857 13290 12749 12233 1174...

Page 192: ...f the MICOM Port No 27 28 29 30 31 32 In case of the Semi Panel using 5 terminals 27 28 29 30 31 the MICOM sends HIGH output of 2ms plus in a 12ms by turns These signals are sent to the output terminals through the input terminals of the IC50 TD62783AP or KID65783AP The square wave voltage which is a MICOM output is around 5VDC and the below is the type of the output waveform Oscilloscope is need ...

Page 193: ...egment Type 9 3 2 8 Buzzer Circuit Part M 27 2ms 10ms 5V M 28 M 29 M 30 M 31 M 32 The semi electronic type LED Bar Type M 27 M 28 M 29 M 30 M 31 2ms 8ms 5V As the display applied to the Semi LED type commonly uses the PCB Main This type is produced with the specific terminals only for this and program modification ...

Page 194: ...iving circuit 1 To save power consumption an BLDC Motor is used and this is only for the freezer compartment The motor driving circuit is commonly used for other models There is a LED model which the BLDC Motor is not used but AC Motor is used The LED Model which AC MOTOR is used is described in the Load Driving Circuit Part because it is operated in link with thecompressor 2 Operating principle T...

Page 195: ... 600 700rpm the motor stops and restarts after 10 seconds At this time if the motor is running with normal speed the motor state is judged as normal But if the normal RPM is not input to the MICOM the motor restarts after 10 seconds again In case that the motor can not run at the normal speed even after restarting 5 times the motor stops for 10 minutes After 10 minutes the restarting procedure is ...

Page 196: ...otor through the 4 wires which are A A B B The motor rotated forward and in reverse 3 To check whether the damper motor has a fault or not disconnect the connectors of CN90 the damper of the refrigerator compartment and measure the resistance values between and between If the value is between 400 600 Ω it is normal and if Ω it is that the wire is disconnected EEPROM is a semiconductor memory that ...

Page 197: ...n no 1 of the MICOM This signal goes to No 5 of IC70 as an input The Pin no 5 of the IC70 is operated as a base of the NPN TR and the output terminal Pin no 12 is operated as a collector of the TR So if the Pin no 5 of the IC70 gets 5V input the No 12 of the IC70 is turned on and conducted to the GND The end of the COIL connected to the RY74 and the No 12 of the IC70 becomes LOW 0V and the power 1...

Page 198: ...y applied has two selections BLDC motor or AC Fan motor The AC Fan Motor is wired in link with the compressor In case that the compressor is off the fan is off In case that the compressor is on the fan is on 6 As the lamp part is an option the circuit was designed to be commonly used The relay is designed to use both Small and Large in parallel If the lamp is larger than 40W the relay for big shou...

Page 199: ...199 5 SELF DIAGNOSIS TROUBLE SHOOTING Load Driving Circuit Part PCB Circuit The defrosting heater explained as an example REFERENCE INFORMATION ...

Page 200: ... Ω 0Ω Ω 0Ω Ω THERMISTOR HEATER WIRE SHORT THERMISTOR HEATER WIRE OPEN MOTOR WIRE SHORT MOTOR WIRE OPEN or SLIPPED OUT HOUSING MOTOR WIRE SHORT MOTOR WIRE OPEN or SLIPPED OUT HOUSING NormalHeater Value 220V 202ohm Normal Motor Value Normal Lamp Value Load When measuring Failure Item Remarks Terminal Based on Counterpart Measure the following after plugging out the unit and MAIN PCB CN70 71 terminal...

Page 201: ...DriverCircuit RY72 CONTACT OPEN or Defective Driver Circuit DOOR SWITCH DRIVER IC MeasurementTerminal TargetMaterialNo Standard CN70 CN71 CN70 CN71 CN70 CN70 CN70 CN71 CN70 CN70 Turn on the unit and according to the load status check the status of the relay and driver circuit as follows Measure the following after plugging out the unit and MAIN PCB CN30 31 terminals When the temp increases its res...

Page 202: ...0Ω Ω THERMISTOR HEATER WIRE SHORT THERMISTOR HEATER WIRE OPEN MOTOR WIRE SHORT MOTOR WIRE OPEN or SLIPPED OUT HOUSING MOTOR WIRE SHORT MOTOR WIRE OPENorSLIPPED OUTHOUSING LAMP NormalHeater Value 220V 202ohm Normal MOTOR VALUE Normal LAMP Value Load When measuring Failure Item Remarks Measurement Terminal PCB MAIN Measure the following after plugging out the unit and MAIN PCB CN70 71 terminals 9 4 ...

Page 203: ...cuit RY73NOCONTACTSHORTorDefectiveDriverCircuit RY72CONTACTOPENorDefectiveDriverCircuit DOORSWITCH DRIVERIC MeasurementTerminal TargetMaterialNo Standard CN70 CN70 CN70 CN70 CN70 CN70 CN71 CN70 Turn on the unit and according to the load status check the status of the relay and driver circuit as follows Measure the following after plugging out the unit and MAIN PCB CN30 31 terminals When the temp i...

Page 204: ...MI LED CORE SEMI LED CORE LCD CORE LED CORE SEMI LED LED SUB 220 240V 50Hz Defrost Sensor CoolSelect Zone Sensor Freezer Sensor Fridge Sensor True Taste Sensor CODE NO DA41 00364A DA41 00364B DA41 00362D DA41 00362H DA41 00362A DA41 00362G DA41 00362C DA41 00362F DA41 00371A DA41 00369A DA41 00370A DA41 00372A DA26 00009K DA32 00006B DA32 00011N DA32 00006G DA32 10105R DA32 00011P Remarks BLDC MOT...

Page 205: ... SHORT BAR NORMAL E EASY HANDLE G SHORT BAR AL EXTERIOR COLOR SW CABI SNOW WHITE PCM DOOR SNOW WHITE PCM IS CABI INOX PCM Door INOX Vertical H L VCM US CABI VERSAILLES STS PET DOOR UNCOATED REAL STAINLESS PS CABI TITAN GRAY PCM DOOR PLATINM SILVER PET TB CABI TITANIC BLACK DOOR TITANIC BLACK IH CABI INOX PCM DOOR INOX Horizontal H L VCM BUYER NO Label Location R L 44 W C SW 1 CATEGORY L Low Mounte...

Page 206: ... 950 6193 6896 FAX 82 62 950 6829 Samsung Electronics Co Ltd Refrigerator Division 2008 03 Printed in Korea This Service Manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable International or domestic law ...

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