Service Manual - Appliance Factory Parts
Contents
1. CEI6 Icl2 CONS E i Jack GO O n ole ER 4 4 o Fe o Es t CON 9 a 2 od E 8 5 of Es KE rj E otio sl EN E Tu uE mp e 29 CEIS pee oe TESTSW SC 2 do R og e we 3 od EI Le CON 10 EK ol e ils CML Q LAK ores rm o a rO Q GH mn o o 9 2 2 Gii Otte l 2 oF o e K T 7 DE 2 o 2 o E FUSE o Ie AD QR FUSE SPEC Lu Q iic E E e 2 2 Q 115 127V 250V 15 2 2r EE r d iE e Ll u CONI s V CON3 V 6 s CON V o O OO OG o o o o o Qo EET E d wem ue on amp coe wo Fo HTR w orm LAMPS E t tt CON 1 CON 3 CON 2 31 8 2 1 Power Circuit CON 1 CON2 CON 3 1110 9 8 7 514 32. PWB PCB ASSEMBLY DISPLAY CON 102 CON 101 e eg SIS E LI o o 2 8 2 mmo gociriae Ro 1141521316 2 v 4 5 6 3 8 9 0 t1 1 oM E PIPE HEATER Ul g ug ig TS 59a cosrarzasa dazzagariss 6 5 4 3 2 4 f4h332411109 8 7 6 5 4 3 2 1 1110 9 8 4 3 2 1 CON 5 CON 6 CON 7 con sf 4 Gy TR 3 GY 4 CON 4 2 m RT SENSOR I BN CON 910 RDI M I M MOTOR WH WH 6 PWB PCB ASSEMBLY MAIN 2 YL SC BL 7 7 BL i toe Witty 8 BK 7L tesr srw AB ICE MAKER S W 3B 5 3 STOP S W PART 12 2 GY 11GY I M SENSOR UON CON 3 ICE MAKER UNIT 11 10 9 S ZI Bp 9 a 7 e 5 1213 wu BM A GU Je Zen Ip 26 RD BN BL OWI SUPPLY Sr CORD E S D N CAPACITOR PAR Ec D 3 ER R Ch x o z icm alli DR fo E o L a O ud a T A E Ek E AXB i H T b dms u ra T D wel o b 30 2 COMP ACCESSORIES PTC OPTION TS ESSORIES MC MQ COMP EG COMP PLUG TYPE CAPACITOR PART P T C START 2 3 OPTION DOOR HEATER RT SENSOR AND o iD BL COMP ACCESSORIES ON CIRCUIT DIAGRAM ARE wy 5 4 W 6 SUBJECT TO CHANGE IN DIFFERENT LOCALITIES AND MODEL TYPE 3 6 5 coweg wr ON SOME MODELS BK BLACK GN GREEN GY GRAY GN YL GRE
3. Fan motor doesn t run Wire is open or shorted Check wiring circuit Replace indicated component i Coil is shorted or open Check Fan Motor Heavy frost buildup on evaporator Replace Open indicated component Check current flow in the following components Sensor Fuse M Check current flow in the defrost heater Replace defrost heater 19 6 4 SERVICE DIAGNOSIS CHART COMPLAINT POINTS TO BE CHECKED REMEDY No Cooling Is the power cord unplugged from the outlet Plug into the outlet Check if the power switch is set to OFF Set the switch to ON Check if the fuse of the power switch is shorted Replace the fuse Measure the voltage of the power outlet If the voltage is low correct the wiring Cools poorly Check if the unit is placed too close to the wall Place the unit about 4 inches 10 cm from the wall Check if the unit is placed too close to the stove Place the unit away from these heat sources gas cooker or in direct sunlight s the ambient temperature too high or Lower the ambient temperature the room door closed Check if food put in the refrigerator is hot Put in foods after they have cooled down Did you open the door of the unit too often Don t open the door too often and close or check if the door is sealed properly it firmly Ch
4. Normal operation of compressor is impossible or poor Separate PTC Starter from Compressor and measure resistance between No 5 and 6 of PTC Starter with a Tester Figure 1 Separate OLP from compressor and check resistance value between two terminals of OLP whit a tester 18 Observation value is 115V 60Hz 6 804 20 Shows continuity Open The resis is 0 O short or open Replace PTC Starter tance value Check another electric component 6 3 OTHER ELECTRICAL COMPONENTS Not cooling at all Compressor Check for open short or doesn t run E incorrect resistance readings Cause in the following components a Starting devices Short open or broken Poor contact or shorted b OLP c Compressor coil 3 Coil open or shorted d Wiring harness Soot contact Replace or shorted indicated component Poor cooling performance Compressor runs poorly Check starting Low voltage Advise customer that voltage the power supply needs to be checked by an electrician Check voltage at Poor or broken or starting devices open contact Replace indicated component Check current flowing in sub coil of Compressor Check rating of OLP Lack of capacity Shorted
5. BOTTOM FREEZER REFRIGERATOR REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE PRODUCT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODELS 795 71303 010 795 71306 010 795 71302 010 795 71309 010 795 71304 010 MFL62078208 Sears Brands Management Corporation Hoffman Estates IL 60179 U S A www sears co Printed in Mexico CONTENTS SAFETY PRECAUTIONS obec D 3 1 SPECIFICAT O m EN 4 2 PARTS IDENTIEICATION nennen nennen nennen nnne nennen nnn nenene 6 3 DISASSEMBLY EPI 6 3 1 Fan and Fan le EE ri 3 2 Defrost Control ASSO NOY tH cp E E e ee tates 7 Cao E I e NR E D E A SEM 7 3 4 Control Box I SINGS cR PC E 8 3 5 et m O M HR 8 escas ds ET TTE 9 3 6 1 Remove Refrigerator oro ob 9 Sg Replace Eeer le MEE 9 3 6 3 Pull OU DUSUBIL sseni n ae eian aia aae ai a dac buius a qd ea 10 3 6 4 How to Remove Door Klenge eeu epeieeedZedegebicerireeteee ee D ACd Nee anis ansa dace ea dee 12 3 7 Leveling and Door e eate etu on ino ence ques oho aee ta tocado eerren rannen neinnar 13 4 e gxpiz pepe 14 4 1 OMIT SSS OR EE 15 4 2 PTO SSISEUBE EE 15 4 3 OLP overload protector EE 15 5 CIRCUIT DIAGRAM e m 16 6 TROUBLESHOOTING E 17 6 1 Compressor and electric COMPOMEMS coscccicccscsticinccssaracecsersesssieasicsadarsieccendecndcerecaneiereveds 18 6 2 PTG and OLP rm TMT HY 18 6 3 Other Ee
6. LEAKAGE refrigerator don t forms in inlet only temperature Normal cooling is possible by m cool normally restoring the normal amount of refrigerant and repairing the leak Equal to ambient No discharging of refrigerant m Freezer Flowing sound of refrigerant epee Normal cooling is possible by Ee compartment and e not heard and frost isn t restoring the normal amount of refrigerator dont formed refrigerant and repairing the leak cool normally BABTIAL Freezer Flowing sound of refrigerant c o than roe of the z compartment and j i us Mm RESTRICTION eg don t Ge rost formen temperature The capillary tube is faulty zi cool normally Oo d COMPL Freezer Flowing sound of refrigerant Equal to ambient Normal discharging of the 9 GE E compartment and is not heard and frost isn t temperature refrigerant refrigerator don t formed cool MOISTURE Cooling operation Flowing sound of refrigerant Lower than ambient Cooling operation restarts when RESTRICTION stops periodically is not heard and frost melts temperature n the inlet of the capillary Oo Freezer and Low flowing sound of A little higher than Low pressure at high side of Qo NS refrigerator don t refrigerant is heard and frost ambient compressor due to low 3 T cool forms in inlet only temperature refrigerant level mo NHNO W Flowing sound of refrigerant Equal to ambient No pressure in the high pressure Co pressing S COMPRE operation isnot heard and
7. 2 1 9 8 7 6 5 3 2 1 1 2 3 HBN Beleg EEN EECH OMC SES EN i rf Ep qq ee EOATEENUE I I I I 1 I POWER allie eee hee ee ee l SUPPLY el 3 GORD em iD a l fei a f l VT IN Zy SP AT i a D p Never eee b al SC o o c Oo I Ld Q d8 i iii i Y 8 E zs E OC se x T Ei St N qu SI d OO a 3 l COMP ACCESSORIES ne ue AEN PLUG TYPE CAPACITOR PART P T C START sm OPTION DOOR HEATER RT SENSOR AND COMP ACCESSORIES ON CIRCUIT DIAGRAM ARE SUBJECT TO CHANGE IN DIFFERENT LOCALITIES AND MODEL TYPE EE PTC OLP 77 7 ON SOME MODELS Fig 1 BK BLACK GN GREEN GY GRAY GN YL GREEN YELLOW YL YELLOW PK PINK WH WHITE BL WH BLUE WHITE SB SKY BLUE BO BRIGHT ORANGE BL BLUE BK WH BLACK WHITE BN BROWN PR PURPLE RD RED RD WH RED WHITE 8 2 2 Load and Door Light Circuit HV 1 Load Drive Condition Check To measure outputs of the control board check voltages between the pins for the following components Refer to Fig 1 ges Output Compressor Con 1 Pin 1 Con 1 Pin 3 115 VAC Defrost Con 2 Pin 7 Con 1 Pin 3 115 VAC Heater Jafe Pfu fw cone Connector 2 FLamp FLamp Con 2 Pin 5 Con 1 Pin 3 svae VAC Con 2 Pin 1 ice Maker Maker Con 2 Pin 9 Con 1 Pin 3 svae VAC nm Door conapin4 Con3Pin3 115VAC Heather Connector2 prin 9 7 jsfn Ice Def Valve Heater FLamp RLamp NOTE When the door of the refrigerator is left open for 7 minutes or longe
8. Before you begin turn the refrigerator OFF and Unplug it Remove food and any bins from doors gt Left Door Loosen the cover screws 1 Disconnect door switch wire 2 Loosen hinge bolts 3 Lift off the top hinge 4 Place the door on a non scratching surface with the inside up gt Right Door Loosen the cover screws 1 Disconnect door switch wire 2 Disconnect wire harness 5 Loosen hinge bolts 3 Loosen ground screw 6 Lift off the top hinge 4 Place the door on a non scratching surface with the inside up FN CAUTION When removing top hinge be careful that the door does not fall forward 3 6 2 REPLACE REFRIGERATOR DOOR gt Right Door Lower the door onto the middle hinge pin 7 Make sure the door is aligned with the cabinet Replace the top hinge 4 installing hinge Screws 3 to secure it Make sure the gasket on the door is flush against the cabinet and is not folded e Support the door on the handle side while securing And make sure the door is straight and the gap between the doors is even across the front e Install the ground screw 6 Connect the door switch wire 2 e Tighten the cover screw 1 gt Left Door Lower the door onto the middle hinge pin 5 Make sure the door is aligned with the cabinet Replace the top hinge 4 installing hinge Screws 3 to secure it e Make
9. Connecting wire Test On sensor making sensor Sensor Primary Error F sensor R1 sensor D sensor Defrost errors F FAN errors Secondary Error M sensors M Kit RT sensor When an error occur the first 3 hours the Primary Error and Secondary Error is indicated in the display check mode Pressing Cold key on freezer and Cold key on refrigerator more than 1 Second After the 3 hours and if the error is still present the Primary Error will show in the display automatically See Note 1 and the Secondary Error is indicated in the display check mode Note 1 In the Primary Error after 3 hours of the error occur all display lights turn OFF except the Freezer Temperature Trouble Code Index indicating the failure mode LED check function When there s no error If simultaneously pressing the Cold key of refrigerator Temp and the Cold key of freezer temp for a second all display LED graphics on If releasing the button the LED graphics displays the previous status Note 2 In Case of Icemaker ready models discard Icemaker Sensor error until Icemaker kit will be connected 229 8 1 11 TEST Mode 1 The Test mode allows checking the PCB and the function of the product as well as finding out the defective part in case of an error 2 The test mode is operated by pressing two buttons on the Display panel 3 While in the test mode the function control button is not recognized but the recognition tone beep sounds 4 After exit
10. Control assembly and replace the Defrost Control assembly after cutting the Tie Wrap Figure 3 GRILLE ASSEMBLY DEFROST CONTROL ASSEMBLY 3 3 LAMP Fig 4 3 3 1 REFRIGERATOR COMPARTMENT LAMP 1 Unplug the power cord from the outlet 2 Remove Refrigerator shelves 3 Release the hooks on both ends of the lamp shield and pull the shield downward to remove it 4 Turn the lamp counterclockwise 5 Assemble in reverse order of disassembly 6 Replacement bulb must be the same specification as the original Max 60 W 2EA Fig 5 3 3 2 FREEZER COMPARTMENT LAMP 1 Unplug refrigerator or disconnect power 2 Reach behind light to remove bulb 3 Replace bulb with a 60W appliance bulb 4 Plug in refrigerator or reconnect power 3 4 CONTROL BOX REFRIGERATOR 1 First remove all shelves in the refrigerator than remove the Refrigerator control Box by loosening 2 screws CONTROL BOX COVER LAMP 2 Remove the Refrigerator Control Box by pulling it downward 3 Disconnect the lead wire on the right position and separate the lamp sockets 3 5 MULTI DUCT 1 Remove an upper and lower Cap by using a flat screwdriver and loosen 2 screws Figure 7 2 Disconnect the lead wire on the botton position Fig 7 3 6 DOOR DISASSEMBLY 3 6 1 REMOVE REFRIGERATOR DOOR IMPORTANT
11. Control of freezer fan motor 1 Freezer fan motor runs at either regular or high speed 2 400 or 2 700 rpm 2 High RPM is used when electricity is first on for ULTRA ICE and when refrigerator is overloaded Standard RPM is used for normal usage 3 The fan motor is stopped when refrigerator door is opened 8 1 4 ULTRA ICE 1 The purpose of this function is to intensify the cooling speed of freezer and to increase the amount of ice 2 Whenever selection switch is pressed selection release the LED will turn ON or OFF 3 If there is a power outage and the refrigerator is powered on again ULTRA ICE will be canceled 4 To activate this function you need to press the ULTRA ICE key and the LED will turn ON This function will remain activated for 24 hrs The first three hours the compressor and Freezer Fan will be ON The next 21hours the freezer will be controlled at the lowest temperature After 24 hours or if the ULTRA ICE key is pressed again the freezer will return to its previous temperature 5 During the first 3 hours 1 Compressor and freezer fan HIGH RPM run continuously 2 If a defrost cycle begins during the first 90 minutes of ULTRA ICE the ULTRA ICE cycle will complete its cycle after defrosting has ended If the defrost cycle begins when ULTRA ICE has run for more than 90 minutes ULTRA ICE will run for two hours after the defrost is completed 3 If ULTRA ICE is pressed during defrost ULTRA ICE is on this functio
12. adjust the up 1 With one hand lift up the door you want to raise at Refrigerator s tilt using the instructions below e middle hinge 1 Plug the refrigerator s power cord into a 3 prong grounded outlet Move the refrigerator into its final position 2 With other hand use pliers to insert snap ring as shown 3 Insert additional snap rings until the doors are aligned Three snap rings are provided with unit 2 Turn the leveling screw clockwise to raise that side of the refrigerator or counterclockwise to lower it It may take several turns of the leveling screw to adjust the tilt of the refrigerator NOTE Having someone push against the top of the refrigerator takes some weight off the leveling screws This makes it easier to adjust the screws Now M C 3 Open both doors again and check to make sure that they close easily If not tilt the refrigerator slightly more to the rear by turning both leveling screws clockwise It may take several more turns and you should turn both leveling screws the same amount C Fig 28 4 Re adjust if necessary 5 Replace the base cover NOTE Your new refrigerator is uniquely designed with two fresh food doors Either door can be opened or closed independently of one another You may have to exert slight pressure on doors to get
13. them to close completely 13 4 ADJUSTMENT 4 1 COMPRESSOR 4 1 1 Role The compressor intakes low temperature and low pressure gas from the evaporator of the refrigerator and compresses this gas to high temperature and high pressure gas It then delivers the gas to the condenser 4 1 2 Composition The compressor includes overload protection The PTC starter and OLP overload protector are attached to the outside of the compressor Since the compressor is manufactured to tolerances of 1 micron and is hermetically sealed in a dust and moisture free environment use extreme caution when repairing it 4 1 3 Note for Usage 1 Be careful not to allow over voltage and over current 2 If compressor is dropped or handled carelessly poor operation and noise may result 3 Use proper electric components appropriate to the Particular Compressor in your product 4 Keep Compressor dry If the Compressor gets wet in the rain or a damp environment and rust forms in the pin of the Hermetic Terminal poor operation and contact may result 5 When replacing the Compressor be careful that dust humidity and soldering flux don t contaminate the inside of the compressor Dust humidity and solder flux contaminate the cylinder and may cause noise improper operation or even cause it to lock up 4 2 PTC STARTER 4 2 1 Composition of PTC Starter 1 PTC Positive Temperature Coefficient is a no contact semiconductor starting d
14. CE BIN 1 Turning the Icemaker stop switch off O stops the icemaking function 2 Setting the Icemaker switch to OFF and then turning it back on will reset the icemaker control Power Switch Icemaker Feeler Arm Test Switch 23 7 2 ICEMAKER FUNCTIONS 7 2 1 Start Position 1 When power is initially applied or reapplied after power is cut it detects level of the TRAY after completion of MICOM initialization The detecting lever moves up and down 2 The level of icemaker tray is judged by output signal high and low signal of HALL SENSOR Make the tray to horizontal by rotating ice ejection motor in normal or reverse direction so that High Low signal can be applied to MICOM Pin P22 3 If there is no change in signals one minute after the geared motor starts to operate it stops icemaker operation and check the signal every hour It resets initialization of icemaker when it becomes normal Ice ejection conducts for 1 cycle 7 2 2 Icemaking Mode a Ice making control is carried out from the completion of water supply to the completion of ice making in the TRAY Ice making sensor detects the temperature of TRAY and completes ice making Ice making sensor is fixed below the TRAY b Ice making control starts after completion of water supply control or initial control Under the ice making control the F room temperature should be operated with the NOTCH of Normal Strong C It is judged that ice making is completed
15. EN YELLOW YL YELLOW PK PINK WH WHITE BL WH BLUE WHITE SB SKY BLUE BO BRIGHT ORANGE BL BLUE BK WH BLACK WHITE BN BROWN PR PURPLE RD RED RD WH RED WHITE 16 6 TROUBLESHOOTING 6 1 COMPRESSOR AND ELECTRIC COMPONENTS Check resistance of motor compressor Check resistance of PTC Starter Power Source Remove PTC Starter from compressor and measure voltage between Terminal C of compressor and terminal 5 or 6 of PTC Rated voltage 10 No voltage YES OLP disconnected Check connection condition Replace OLP Applied voltage isn t in acceptable range 115V 10 Advise customer that power supply needs to be checked by an electrician Check the resistance between M C S C and M S in motor compressor Check resistance of two terminals in PTC Starter The range of resistance is between 1 50 Q ok Open or short Replace compressor At normal temperature 6 80 20 OK Check OLP Check resistance of two terminals in OLP If power conducts OK If not NG Check starting state Check the power supply under load Compressor attempting to re start after being off for 5 minutes YES YES Supply voltage rating with 10 Did Compressor compressor is OK start Replace the compressor 47e 6 2 PTC AND OLP
16. ROOM SENSOR 20 C 22 3 KO 77 KQ 15 C 16 9 KO 60 KQ 10 C 13 0 KO 47 3 KO 5 C 10 1 KO 38 4 KO 0 C 7 8 KQ 30 KQ 5 C 6 2 KQ 24 1 KQ 10 C 4 9 KQ 19 5 KO 15 C 3 9 KO 15 9 KO 20 C 3 1 KO 13 KO 25 C 2 5 KO 11 KO 30 C 2 0 KO 8 9 KO 40 C 1 4 KO 6 2 KO 50 c 0 8 KO 4 3 KO The resistance of the SENSOR has a 5 common difference Measure the resistance of the SENSOR after leaving it for over 3 minutes in the measuring temperature This delay is necessary due to sensor response speed DE a EV 9 EXPLODED VIEW CASE PARTS CAUTION Use the part number to order part not the position number 36 EV FREEZER PARTS CAUTION Use the part number to order part not the position number EV REFRIGERATOR PARTS CAUTION Use the part number to order part not the position number 38 EV REFRIGERATOR PARTS PANTRY Caution Use the part number to order part not the position number EV DOOR PARTS CAUTION Use the part number to order part not the position number 40 EV WATER amp ICEMAKER PARTS Caution Use the part number to order part not the position number 41 Get it fixed at your home or ours Your Home For expert troubleshooting an
17. d home solutions advice manage my home www managemyhome com For repair in your home of all major brand appliances lawn and garden equipment or heating and cooling systems no matter who made it no matter who sold it For the replacement parts accessories and owner s manuals that you need to do it yourself For Sears professional installation of home appliances and items like garage door openers and water heaters 1 800 4 MY HOME Call anytime day or night 1 800 469 4663 U S A and Canada www sears com WWW Sears ca Our Home For repair of carry in items like vacuums lawn equipment and electronics call anytime for the location of the nearest Sears Parts amp Repair Service Center 1 800 488 1222 U S A 1 800 469 4663 Canada www sears com WWW Sears ca To purchase a protection agreement on a product serviced by Sears 1 800 827 6655 U S A 1 800 361 6665 Canada Para pedir servicio de reparaci n Au Canada pour service en francais a domicilio y para ordenar piezas 1 800 LE FOYER C 1 888 SU HOGAR 1 800 533 6937 1 888 784 6427 WWW Sears ca Sears Sears Brands LLC Registered Trademark Trademark Service Mark of Sears Brands LLC Marca Registrada Marca de F brica Marca de Servicio de Sears Brands LLC MC Marque de commerce VP Marque d pos e de Sears Brands LLC
18. eck if the Control is set to Warm position Set the control to Recommended position Foods in the s food placed in the cooling air outlet Place foods in the high temperature section Refrigerator front part are frozen Check if the control is set to colder position Set the control to Recommended position Is the ambient temperature below 41 F 5 C Set the control to Warm position Condensartion or ice forms inside the unit s liquid food sealed Check if food put in the refrigerator is hot Did you open the door of the unit too often or check if the door is sealed properly Seal liquid foods with wrap Put in foods after they have cooled down Don t open the door too often and close it firmly Condensartion forms in the Exterior Case Check if the ambient temperature and humidity of the surrounding air are high s there a gap in the door gasket Wipe moisture with a dry cloth It will disappear in low temperature and humidity Fill up the gap There is abnormal noise s the unit positioned in a firm and even place Are any unnecessary objects placed in the back side of the unit Check if the Tray Drip is not firmly fixed Check if the cover of the compressor enclosure in the front lower side is taken out Adjust the Leveling Screw and position the refrigerator in a firm place Remove the objects Fix the Tray Drip firmly in the original positio
19. ectrical current are grounded If grounding wires screws straps clips nuts or washers used to complete a path to ground are removed for service they must be returned to their original position and properly fastened 1 2 IMPORTANT NOTICE This information is intended for use by individuals possessing adequate background of electrical electronic and mechanical experience Any attempt to repair a major appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with its use 1 3 ELECTRICAL SPECIFICATIONS Freezer temperature control Middle seng 6 F to 8 F Deos COMMON EE Automatic BIST SEITE n 46 4 F ElectricalRating 115VAG GOP EE 1 5A Maximum Current Leakage niteretur ides oae dree 0 5mA Maximum Ground Path Resistance ssssssssssssssssseseeeeeeeeeeen ener nens 0 14 Ohms Energy Consumption 466kWh yr Energy Star 1 4 NO LOAD PERFORMANCE Control Position MID MID And Ambient of 70 F 90 F Fresh FOO E iiec e bier ae federe ccv EE 33 Fto41 F Fresh Food ZE usd e te ete certe cd 33 F to 41 F Frozen Foor E 4 F to 4 F Erozenkoor k 4 F to 4 F Percent Running Time 25 35 Percent Running Time s ssnannnsnnsnaneinnnneenneeeeeeee 45 60 1 5 REFRIGERATION SYSTEM 1 6 INSTALLATION Min
20. evice which uses ceramic material consisting of BaTiO3 2 The higher the temperature is the higher the resistance value These features are used as a starting device for the Motor 4 2 2 Role of PTC Starter 1 The PTC is attached to the Sealed Compressor and is used for starting the Motor 2 The compressor is a single phase induction motor Durign the starting operation the PTC allows current flow to both the start winding and main winding 14 4 2 3 PTC Applied Circuit Diagram Starting Method for the Motor OVERLOAD PROTECTOR L1 SEI 2 PTC COMPRESSOR t 16 MOTOR M M CH N e PTC STARTER SEALED TERMINAL Resistance Starter Capacitor Running Fig 1 4 2 4 Motor Restarting and PTC Cooling 1 It requires approximately 5 minutes for the pressure to equalize before the compressor can restart 2 The PTC device generates heat during operation Therefore it must be allowed to cool before the compressor can restart 4 2 5 Relation of PTC Starter and OLP 1 If the compressor attempts to restart before the PTC device is cooled the PTC device will allow current to flow only to the main winding 2 The OLP will open because of the over current condition This same process will continue 3 to 5 times when the compressor attempts to restart until the PTC device has cooled The correct OLP must be properly attached to prevent damage to the compressor Parts may appea
21. ial position Water supply quantity depend of DIP S W Water Supply Time Table O O 9 DIP S W Setting will be depend of FF FF ON 10 0 water pressure ON Co ew Ho If water supply setting is changed while system is energized change will be made immediately But if change occurs when water supply function is working change will be executed next cycle of icemaker 7 2 6 Ice maker stop switch Ice Maker Stop S W ON state Ice Maker normal operation Ice Maker Stop S W OFF state Ice Maker do not operate 26 8 CIRCUIT OF MICOM 8 1 FUNCTION 8 1 1 Function 1 Initially set the Refrigerator control at 37 F 3 C and the Freezer control at 0 F 18 C You can adjust the Refrigerator and the Freezer control temperature by pressing the Colder ADJUST button 2 When the power is restored after a power failure it is automatically set to last setting selected Note To ERROR CODE on display panel refer to page 29 REFRIGERATOR TEMPERATURE FREEZER TEMPERATURE Colder Cold ULTRA ICE Colder Cold v GER o Gm 37 F IS RECOMMENDED 0 F IS RECOMMENDED 8 1 2 How to Toggle the Display between F amp C 1 The display temperature mode can be changed from F to C or C to F by pressing and holding the COLDER FREEZER TEMP and the COLDER REFRIGERATOR TEMP keys at the same time for over one second 2 The initial setting is F Whenever the mode is changed the appropriate LED is it 8 1 3
22. ime reaches 4 hours 3 Defrosting stops if the sensor temperature reaches 46 4 F 8 C or more If the sensor doesn t reach 46 4 F 8 C in 2 hours the defrost mode is malfunctioning Refer to the defect diagnosis function 8 1 9 4 Defrosting won t function if its sensor is defective wires are cut or short circuited 8 1 9 Electrical Parts Are Turned On Sequentially Electrical parts such as COMP defrosting heater freezer FAN etc are turned on in the following order to prevent noise and parts damage Several parts are started at the same time at initial power on and are turned off together when TEST is completed OPERATING ORDERS Temperature of Defrosting Sensor is 45 C or more POWER in1 2 second COMP in1 2secona Freezer FAN when unit is newly ON ON _ gt ON 3 purchased or when moved S S POWER in 1 2 second Defrosting in 10 second Defrosting Temperature of defrosting ON heater ON heater OFF o sensor is lower than 45 C when power cuts SERVICE in 1 2 second COMP in 1 2 second Freezer FAN r ON ON Reset to normal operation Total load in 7 minute COMP in1 2second Freezer FAN from TEST MODE OFF ON ON 28 8 1 10 Defect Diagnosis Function Micom error are separated in Main Errors Affect directly refrigerator performance and Secondary Errors don t affect the refrigerator performance To check in Display the error
23. imum Compressor Capacity Vaccum UE 21 in Clearance must be provided at top sides and rear of the Minimun Equalized Pressure refrigerator for air circulation OTA mE 49 PSIG X 90 PSIG EIER deene 2in Refrigerant R134a cesses 408 ARGIMOE uL uideo idi e n EE 2in Compressor essssssee nee 687 BTU hr At Rear 2in 1 7 REPLACEMENT PARTS Relay peer b reed 6748C 0004D E te DEE 6750C 0005P Defrost Thermostat 6930JK2001B Defrost Heater 5300JB1100J Evaporator Fan Motor 4681JB1027N CAD ET e sitim cedros see YES 0CZZJB2012J Compressor Hi Side TCA33414101 Evaporator Lo Side 5421JJ1001B Condenser 5403JJ1007A Bl T 5851JA2007E Condenser Fan Motor 4681JB1027P Temperature Control 6500JB1001M Map Control ctt EBR64110503 1 8 AIR FLOW mmm COLD AIR MIXED AIR m m m AIR RETURN TO EVAPORATOR p HOT LOOP LJ A DRYER CONDENSER EVAPORATOR Ca ad H5 FAN ies M E j LLJ COMPRESSOR CONDENSER PERFORMANCE DATA NORMAL OPERATING CONDITIONS SYSTEM PRESSURE PSIG AMB WATTS HIGH SIDE LOW SIDE oo Hm FRESH FOOD 2 PARTS IDENTIFICATION CEECEE EEEE Use this section to become more familiar with the parts and featu
24. ing the test mode be sure to reset by unplugging and then plugging in the appliance 5 f an error such as a sensor failure is detected while in the test mode the test mode is cleared and the error code is displayed 6 While an error code is displayed the test mode will not be activated MODE OPERATION CONTENTS REMARKS TEST1 Push TEST switch on the main Board Once 1 Continuous operation of the compressor and the freezer fan Maximum test time Cooling MODE 2 Stepping Damper OPEN 5 minutes 3 Defrosting Heater OFF 4 Display LED all ON TEST2 Push TEST switch once in 1 Compressor and the freezer fan OFF Maximum test time TEST MODE 1 2 Stepping Damper CLOSE 2 hours lt Forced defrosting MODE 3 Defrosting heater ON Reset if the temperature Of the defrosting sensor 4 Display LED shows 2 is 8 C 46 F or more Push TEST switch on the Return main PCB once to Normal Return to initial status COMP 7 min delay Freezer Fan RPM Variable Check If the freezer fan is in operation when the COLD REFRIGERATOR TEMP KEY amp COLD FREEZER TEMP KEY are pressed for more than one second at the same time then the freezer fan RPM changes for example if high speed to normal speed or if normal speed to high speed for 30 seconds After 30 seconds it turns to its original RPM Demonstration Display MODE 1 To enter this mode raise either the Refrigerator or Freezer temperature
25. n Place the cover in its original position Door does not close well Check if the door gasket is dirty with an item like juice s the refrigerator level s there too much food in the refrigerator Clean the door gasket Position in the firm place and level the Leveling Screw Make sure food stored in shelves does not prevent the door from closing Ice and foods smell unpleasant Check if the inside of the unit is dirty Are foods with a strong odor unwrapped The unit smells of plastic Clean the inside of the unit Wrap foods that have a strong odor New products smell of plastic but this will go away after 1 2 weeks Other possible problems 20 Check if frost forms in Not Check Components the freezer gt defrosting gt of the defrosting circuit Check the The system Perform sealed refrigeration system is faulty system repair Check the The operation of Replace the Thermistor gt the Thermistor is gt Thermistor incorrect 6 5 REFRIGERATION CYCLE Troubleshooting Chart STATE OF STATE OF THE TEMPERATURE SAUDE THE UNIT EVAPORATOR OF THE REMARKS COMPRESSOR Freezer Low flowing sound of A little higher than Refrigerant level is low due to a PARTIAL compartment and refrigerant is heard and frost ambient leak 2
26. n will start seven minutes after defrost is completed and it shall operate for three hours 4 If ULTRA ICE is selected within seven minutes after compressor has stopped the compressor compressor delays seven minutes will start after the balance of the delay time 5 The fan motor in the freezer compartment rotates at high speed during ULTRA ICE 6 For the rest of 21 hours the freezer will be controlled at the lowest temperature 8 1 5 Refrigerator Lamp Auto Off 1 To protect the risk of lamp heat when Refrigerator door opens for 7 min refrigerator lamp is auto off 2T 8 1 6 Alarm for Open Door 1 This feature sounds a buzzer when the freezer or refrigerator door is not closed within 1 minute after it is opened 2 One minute after the door is opened the buzzer sounds three times each for 1 2 seconds These tones repeat every 30 seconds 3 The alarm is cancelled when the freezer or the refrigerator is closed while the buzzer sounds Freezer Door oe Open Closed Open i i closed or Refrigerator I Door 5 Times 5 Times 5 Times 5 Times Buzzer dh i Within 1 min 1 min ttt 30 sec 30sec 30 sec 8 1 7 Buzzer Sound When the button on the front Display is pushed a sound is produced 8 1 8 Defrosting removing frost 1 Defrosting starts each time the COMPRESSOR running time reaches 7 hours 2 For initial power on or for restoring power defrosting starts when the compressor running t
27. o horizontal conditions as ice ejection motor rotates in reverse direction h When the TRAY becomes horizontal the cycle starts to repeat Water Supply Ice making Ice ejection TRAY returns to Horizontal 24 MAXIMUM TILTING POINT Bank is l not full HALL Sensor Output Signals Bank is full HALL Sensor Output Signals OFF Ice checking AXIS 1 8 0 10 32 41 53 58 80 160 170 Lock Lock Icemaking Ice ejection original point 2 1 sec Horiz 9 3 sec Return Cond 8 3 sec ditions 25 7 2 4 Test Icemaker Mode Test function starts when test switch is pressed for more than 3 seconds User shouldn t force operation while doing test mode service or cleaning Test switch will work only when ice tray its in horizontal position not during ice ejection or water supplying When pressing the Test Switch feeler arm will sense and then ice tray will start ice ejection after twisting ice tray returns to initial position When returning to horizontal position water supply will start filling the ice tray After this test mode its done Test mode cycle elapsed time of 30 seconds its shown as the next sequence Feeler arm sensing Ice ejecting Ice tray returns to horizontal position Water supply 7 2 5 Water Supply Function This function is for supply water to tray by the mechanic water valve when ice ejecting finish and tray return to init
28. present is necessary press Cold key on freezer and Cold key on refrigerator more than 1 Second if no there any error all LED will be illuminated if a main error is present only certain LED will be illuminated in case of secondary errors only one LED or icon will not illuminated REFRIGERATOR TEMPERATURE FREEZER TEMPERATURE Colder Cold ULTRA ICE Colder Cold v GER o UM 37 F IS RECOMMENDED 0 F IS RECOMMENDED ERROR CODE on display panel te ten Error Indication Contents Normal NOTCH Indication None m switch operates normall A Falle or kreezer REN Cut or short circuit wire sensor Failure of Refrigerator 3 g Cut or short circuit wire i sensor Inspect Connecting wires on each sensor 4 Failure of Defrost sensor Cut or short circuit wire RT Sensor Error Cut or short circuit wire Open defrost heater When defrost sensor does not or temperature fuse reach 8 C within 1 hour after loose connection starting defrost indicated minimum 2h after a failure occurs Failure of Defrost mode When the ice ejecting does not operated on pressing the I M TEST S W Failure of wires such as motor in I M KIT GEAR HALL IC Faillure of Icemaker Kit Motor failure loose Failura of BLDC fan If there is no fan motor signal for connection to fan motor 7 motor at freezing more than 115 sec in operation short circuit or fan blade compartment fan motor obstruction Failure of Icemaker Snapping or short circuit of ice
29. r the lamp of the refrigerator turns off automatically 32 PWB PCB ASSEMBLY DISPLAY CON 102 CON 101 zo x E Ol lt I O o SIE maa posa as o S 92 UI LU Al s 2 3 6 2 v 4 5 e a 8 o Holt 1 o a 0 l PIPE HEATER GG Au D WI gsl loLue lololo IIE oo x xa z SEI EE o S a oo 0 ola gt Ao 0 a ca aA a a e 615 4 3 2 1 1413121110 9 8 7 6 5 4 3 2 1 1110 9 8 7 6 5 4 3 2 1 CON 5 CON6 co CON 8 AG R DOOR sw 3 CY 4 E 1 coN4 e Bn mm RT SENSOR eae DR BN 3 EN 4 CON 9 0 RD XM I M MOTOR Wu WH 6 PWB PCB ASSEMBLY MAIN E YL HALE BL 7 7 BL IC STEPPING BK 8 6 BK J MOTOR YL 9 5 BN mM I M TEST S W RD 10 4 BO ICE MAKER Sw 41 3B STOP S W PART 12 Ee DES mmm JM SENSOR ICE MAKER UNIT 77 71 ON SOME MODELS Fig 2 2 Door Monitor Circuit LV Refrigerator Pin Number Pin Number R Door Open Con 8 Pin 3 Con 8 Pin 4 pein 4 3 2 ft 8 2 3 Temperature Sensor Circuit Refer to Figure 2 Voltage supplied to each sensor
30. r physically identical but could have different electrical ratings Replace parts by part number and model number Using an incorrect part could result in damage to the product fire injury or possibly death 4 2 6 Note for Using the PTC Starter 1 Be careful not to allow over voltage and over current 2 Do not drop or handle carelessly 3 Keep away from any liquid If liquid such as oil or water enters the PTC PTC materials may fail due to breakdown of their insulating capabilities 4 If the exterior of the PTC is damaged the resistance value may be altered This can cause damage to the compressor and result in a no start or hard to start condition 5 Always use the PTC designed for the compressor and make sure it is properly attached to the compressor Parts may appear physically identical but could have different electrical ratings Replace parts by part number and model number Using an incorrect part could result in damage to the product fire injury or possibly death 4 3 OLP OVERLOAD PROTECTOR 4 3 1 Definition of OLP 1 OLP OVERLOAD PROTECTOR is attached to the OVERLOAD PROTECTOR cross section Customer part Compressor and protects the Motor by opening the bei Ne circuit to the Motor if the temperature rises and date code activating the bimetal spring in the OLP PN d Physical part number termination part number 2 When high current flows to the Compressor motor the Bimetal wo
31. res NOTE This guide covers several different models The refrigerator you have purchased may have some or all of the items listed below The locations of the features shown below may not match your model Q Digital Sensor Control Refrigerator Light QO Shelves Egg Box E Optibin Crispers Keeps fruits and vegetable fresh and crisp Q Pantry Q Icemaker Qe Bin Durabase Divider Q Dairy Corner Modular Door Bins Bottle Guide Q Freezer Light Glide Out Drawer Basket On some models 3 DISASSEMBLY 3 1 FAN AND FAN MOTOR 1 Remove the freezer shelf If your refrigerator has an icemaker remove the icemaker first 2 Remove the plastic guide for slides on left side by unscrewing phillips head screws 3 Remove the grille by removing one screw and pulling the grille forward 4 Remove the Fan Motor assembly by loosening 2 screw and disassemble the shroud 5 Pull out the fan and separate the Fan Motor and Bracket gt GRILLE Fig 1 3 2 DEFROST CONTROL ASSEMBLY Defrost Control assembly consist of Drefrost Sensor and FUSE M The Defrost Sensor works to defrost automatically It is attached to the metal side of the Evaporator and senses its temperature Fuse M is safety device for preventing over heating of the Heater when defrosting At 72 C it turns the Defrost Heater off 1 Pull out the grille assembly Figure 2 2 Separate the connector with the Defrost
32. rks by heating the heater inside the OLP and the OLP protects the Motor by cutting off the current flowing to the Compressor Motor 4 3 2 Role of the OLP 1 The OLP is attached to the Sealed Compressor used for the Refrigerator It prevents the Motor Coil from being started in the Compressor Part No Name 2 For normal operation of the OLP do not turn the Adjust Base phenolic Movable arm spring temper Screw of the OLP in any way UL 94 V9 rated copper alloy Movable arm support Contact movable silver on copper plated steel Contact stationary silver on copper Stationary contact support Slug plated steel plated st el Cover polyester Heater support plated steel UL 94 V 0 rated Heater resistance alloy amp Pin connector plated copper alloy Disc thermostatic alloy To engage 2 33 2 66 mm dia pin Fig 2 15 5 CIRCUIT DIAGRAM
33. sen 19 6 4 Service diagnosis chart E 20 6 5 Refigeration Cycle Re 21 7 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER nnaiinnnnnnnnnnnnannnneneeen 23 T A Op ration Principle 5 TK 23 1 2 3n cus M MKT E 24 8 CIRCUIT OF MC OM BE 27 8 1 FONCION sarreren e ERE EE E E E E E A EEE EER 27 8 2 PCB MUM COD E 31 8 3 Resistance specification of sensor E 35 9 EXPLODED VIEW AND REPLACEMENT PART LIST 36 PNSAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator 1 Check the refrigerator for current leakage 7 Before tilting the refrigerator remove all materials from on or in the refrigerator 2 To prevent electric shock unplug before servicing 8 When servicing the evaporator wear gloves to prevent injuries from the sharp evaporator 3 Always check line voltage and amperage fins 4 Use standard electrical components 9 Service on the refrigerator should be performed by a qualified technician Sealed 5 Don t touch metal products in the freezer system repair must be performed by a CFC with wet hands This may cause frost bite certified technician 6 Prevent water from spiling on to electric elements or the machine parts 1 SPECIFICATIONS 1 1 DISCONNECT POWER CORD BEFORE SERVICING IMPORTANT Reconnect all grounding devices All parts of this appliance capable of conducting el
34. sure the gasket on the door is flush against the cabinet and is not folded e Support the door on the handle side while securing And make sure the door is straight and the gap between the doors is even across the front e Connect the door switch wire 2 e Tighten the cover screw 1 Fig 9 3 6 3 PULL OUT DRAWER a HOW TO REMOVE PULL OUT DRAWER IMPORTANT To avoid possible injury product or D CAUTION When removing drawer door do not hold it property damage you will need two people to perform by the handle Door could fall down and you may be the following instructions injured grasp door with both hands as pictured below f When removing Pull the drawer open to full lower extension Remove D CAUTION When laying down the drawer be careful dos 3 not to damage the floor or hurt your feet with the sharp durabase by lifting it from rail system edges on hinge side With both hands hold both sides of the door and pull it up to separate it from the rails Push rails back into drawe cavity With both hands hold the center of the bar and push it in so that both rails go back simultaneously 10 b HOW TO INSTALL PULL OUT DRAWER IMPORTANT To avoid possible injury product or Align the top holes of the rail cover with the top holes of property damage you will need two people to perform the door supports to assemble the rail cover
35. the following instructions With both hands hold the center of the bar and pull it out to let both rails out to full extension simultaneously Verify the hole s assembly With the rails pulled out to full extension insert the durabase in the rail assembly Right Rail cover FX WARNING To prevent accidental child and pet entrapment or suffocation risk DO NOT allow them to play inside of drawer D WARNING DO NOT step or sit down on Freezer Door 11 3 6 4 HOW TO REMOVE DOOR HANDLES NOTE Handle appearance may vary from illustrations 2 Removing Freezer Drawer Handle on this page Loosen the set screws located on the lower side of the handle with the 3 32 Allen 1 Removing Refrigerator Handle wrench and remove the handle NOTE If the handle mounting fasteners need to be tightened or removed use a 1 4 Allen wrench Loosen the set screws with the 3 32 Allen wrench and remove the handle NOTE If the handle mounting fasteners need to be tightened or removed use a 1 4 Allen wrench Mounting Fasteners Set Screw Allen Wrench Fig 26 Fig 27 12 3 7 LEVELING AND DOOR ALIGNMENT a LEVELING b DOOR ALIGNMENT Your refrigerator has two front leveling screws one on If the space between your doors is uneven follow the the right and one on the left If your refrigerator seems instructions below to align the doors unsteady or you want the doors to close easier
36. there is no temperature part of the compressor Z SSION frost 21 6 5 1 SEALED SYSTEM DIAGNOSIS Not Cooling Complaint All components operating No airflow problems Not frosted up as a defrost problem problem has been isolated to sealed system area Frost Partial Pattern Equalization Test Equalization Test Very Fast Very Slow Very Slow Fast Very Fast Inefficient Compressor Complete Restriction Partial Restriction Condenser Cap Tube Temperature Sound Hotter than Normal Room Temperature None to Weak Air Low Side Loss of Change Leak Compressor Not Pumping Trace of Oil No Undercharge The equalization test is trying to restart a compressor after it has been operating 22 7 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 7 1 OPERATION PRINCIPLE 7 1 1 Operation Principle of Icemaker Power Input Initial Control Adjusts Ejector to Start Position with power on Icemaking Control Waits until water in the TRAY is frozen after Icemaker Starts operation Ice Ejection Control Water supply control TEST Control Performs Icemaking Mode after supplying water by operating the SOLENOID in ICE VALVE To operate LINE and SERVICE press and hold the Fill Key for 3 seconds The icemaking will run through 3 stages Harvest Fill Icemaking D Runs MOTOR to drop ice from the tray into the I
37. to its highest setting Then press that Cold key and hold for about 5 seconds 2 The LED panels will display OFF to indicate that the compressor circulating fan damper and defrost heater are not operating 3 The Open Door Alarm and the Lamp Auto Off feature will work normally and can be demonstrated 4 To reset to normal operation press and hold either Cold Key for about 5 seconds 30 8 2 PCB FUNCTION CON 7 CON 6 CON 5 CON 4 v Y y vy PIPE F DQ0R p E DISPLAY MATRIX DISPLAY F F FAN az N g ER Pose pese rop ECIXISUDAT ware DISPLAY V EECH c e z i i fg D nime m ri fg inl EEEELEEEERI 20000200000000 EXER QooooooooooQ E CONT R cone CONS Wi Wi CEL CEIO CE9 RRI RFI RDI D 05 yazzng d DEI E CR D O lt DO O lt gt Cr Ge CYC J4 cons iS S St O o9e69 2 OD A a OE uENS 18
38. when ice making sensor temperature reaches at 8 C after 70 minutes 10 minutes when water is supplied to the TRAY 7 2 3 Ice Ejection Mode a This is to eject ice from the TRAY after ice making is completed b If Hall IC signal is on within 3 6 seconds after ice ejection motor rotates in normal direction it does not proceed ice ejection but waits If the ice bank is full ice ejection motor rotates in normal direction in every hour to check the condition of ice bank If the ice bank is not full the water supply control starts after completion of ice ejection control If the ice bank is full ice ejection motor rotates in reverse direction and stops under ice making or waiting conditions C If ice bank is not full ice ejection starts The TRAY tilts to the maximum and ice is separated from the TRAY and ice checking lever raises d Ice ejection motor stops for 1 second if Hall IC signal changes from OFF low to ON high after 3 6 seconds when ice ejection motor rotates in normal direction If there is no change in Hall IC signals within 1 minute after ice ejection motor operates ice ejection motor stops as ice ejection motor or hall IC is out of order e If ice ejection motor or Hall IC is abnormal ice ejection motor rotates in normal direction to exercise initial operation in every hour It resets the ice maker if ice ejection motor or Hall IC is normal f The TRAY stops for 1 second at maximum tilted conditions g The TRAY returns t
39. will range between 0 5 volts 22 F 30 C and 4 5 volts 122 F 50 C depending upon the temperature in the compartments A measurement of 0 volts indicates a short in the sensor circuit A measurement of 5 volts indicates an open in the sensor circuit I IL9L5I T4ILDEILDILAIC 33 To measure the outputs of the sensors check the voltages between the pins as in the table And refer the values in the section RESISTANCE SPECIFICATION OF SENSOR F Sensor Con7Pin10 Jon Pin 11 R Sensor Con7Pin8 Con7Pin9 D Sensor Con7Pin6 Con7Pin7 UN Sensor Con 7 Pin 1 Con 9 Pin 2 Con8Pin1 Con8Pin2 To measure the outputs of the fans on the control boards check the voltages between the pins for the following components Output Motor Oo ae Con 4 Pin 5 Con4Pin6 10 14Vdc 2Vdc or less Cooling Fan Con4Pin3 10 14Vdc 2Vdc or less Connector 4 po Connector gt S S S PN 12 11 100 9 8 j 7 6 5 4 3 2 t NC Stepping Motor Ew Iw I1 Li vIs I II sw 8 2 4 ICE MAKER Connector 9 gt ee pen 1 9 8 v e j s 4 3 2 i I M Motor Hall IC IM Test S W I M Stop S W IM Sensor IM Stop S W Con 9 Pin 3 Con 9 Pin 4 0 5Vdc IM Test S W Con 9 Pin 5 Con 9 Pin 6 0 5Vdc 34 8 3 RESISTANCE SPECIFICATION OF SENSOR TEMPERATURE DETECTED RESISTANCE OF FREEZER RESISTANCE OF REFRIGERATOR SENSOR SENSOR DEFROST SENSOR amp
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