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Main PCB

R-Sensor

CON6

Refrigerator Sensor Error

Wiring diagram

Disconnect CON6 and measure

the value. Is resistance value

between pins 9 & 10 of CON6 as

below? (WH to WH)

Is the connection loose?

If the ER-rS appears, Replace

the main PCB. Otherwise,

explain to the customer!

Replace

R-sensor

pin10

pin9

Yes

6 ~ 300 k

Ω

Pin9 to pin10

Result

Test Point

Reconnect

Reconnect CON6 and Power ON

Power Off
Tip : To protection of MICOM

Yes

Is Er-FS displayed?

Yes

Содержание 795.78773.801

Страница 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL REFRIGERATOR SERVICE MANUAL R 795 78773 801 795 78779 801 795 78783 801 795 78789 801 P No MFL57156802 Model s ...

Страница 2: ...DRAWER 14 17 4 ADJUSTMENT 18 19 COMPRESSOR 18 PTC STARTER 18 OLP OVERLOAD PROTECTOR 19 TO REMOVE THE COVER PTC 19 5 CIRCUIT DIAGRAM 20 6 TROUBLESHOOTING 21 25 COMPRESSOR AND ELECTRIC COMPONENTS 21 OTHER ELECTRICAL COMPONENTS 22 SERVICE DIAGNOSIS CHART 23 REFRIGERATION CYCLE 24 25 7 OPERATION PRINCIPLE REPAIR METHOD OF ICEMAKER 26 28 8 DESCRIPTION OF FUNCTION CIRCUITS ERROR CODES 29 45 9 EXPLODED V...

Страница 3: ...mum Ground Path Resistance 0 14 Ohms Energy Consumption 25 cu ft 547 kWh yr Energy Star 1 4 NO LOAD PERFORMANCE CONTROL POSITION MID MID And Ambient of 70 F 90 F Fresh Food F 33 F to 41 F 33 F to 41 F Frozen Food F 4 F to 4 F 4 F to 4 F Percent Running Time 35 45 50 F 70 F 1 5 REFRIGERATION SYSTEM Minimum Compressor Capacity Vacuum 21 MIN Minimum Equalized Pressure 70 F 49 PSIG 90 F 56 PSIG Refrig...

Страница 4: ...epth w o Handles B 31 3 4 in Depth w o Door C 27 7 8 in Depth Total with Door Open D 46 1 2 in Height to Top of Case E 68 3 8 in Height to Top of Door Hinge F 69 3 4 in Width G 35 3 4 in Width door open 90 deg w o handle H 39 1 4 in Width door open 90 deg w handle I 44 1 4 in ...

Страница 5: ...ility for storage needs MODULAR DOOR BINS Three interchangeable bins can be arranged to suit your storage needs REMOVABLE ICE STORAGE BIN The ice storage bin can be removed to fill ice buckets coolers or pitchers INTERIOR LAMPS Two separate LED arrays light the freezer and refrigerator interiors FIXED DOOR BIN 1 2 3 4 5 Ice Bank Ice Door ...

Страница 6: ...latch 9 w w CAUTION When lifting hinge free of latch be careful that door does not fall forward 7 Place door inside facing up down onto a non scratching surface u u Right Door FIG 3 1 Open door Loosen top hinge cover screw 1 Lift up cover 3 2 Disconnect door switch wire harness 2 Remove cover 3 Disconnect wire harness 5 4 Rotate hinge lever 6 clockwise Lift top hinge 7 free of hinge lever latch 8 ...

Страница 7: ...ining sides of door Door Gasket Replacement 1 Insert gasket bracket clips 1 Insert gasket bracket edge beneath door frame edge 2 Turn upper gasket bracket spring so that the spring ends are in the door channel 3 Push in clip until you hear it snap securely into place 4 Push in remaining clip until you hear it snap securely into place Note Make sure that no part of gasket bracket edge protrudes fro...

Страница 8: ...ons below to align the doors 1 With one hand lift up the door you want to raise at middle hinge 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 3 4 FAN AND FAN MOTOR EVAPORATOR 1 Remove the freezer shelf If your refrigerator has an icemaker remove the icemaker first 2 Remove the plastic gui...

Страница 9: ...out the grille assembly Figure 10 2 Separate the connector with the Defrost Control assembly and replace the Defrost Control assembly after cutting the Tie Wrap Figure 11 3 6 LAMP Unplug Refrigerator or disconnect power at the circuit breaker If necessary remove top shelf or shelves 3 6 1 Refrigerator Compartment Lamp 1 Release 2 screws 2 Hold both ends with your both hands and pull it downward to...

Страница 10: ...left and right side of the Cover Assembly dispenser as shown in the picture and pull and remove it The cover dispenser is attached with a hook w w CAUTION When replacing the dispenser cover in the reverse order of removal be careful that the lead wire does not come out and the water tube is not pinched by the dispenser cover as shown in the picture below 3 10 DISPLAY PWB REPLACEMENT 1 Pull up and ...

Страница 11: ...Disconnect the wire harness 3 Remove the funnel 4 Replace in reverse order 3 14 ICE CORNER DOOR REPLACEMENT 1 Loosen the front screw as shown in the picture 2 Lift up the hinge with one hand 3 Pull out the Ice Corner Door with the other hand 3 15 ICEMAKER ASSEMBLY 1 Loosen two screws as shown in the first picture 2 Disconnect the wire harness ground screw replace theIcemaker assembly in the revers...

Страница 12: ...the 5 stainless screws holding the auger motor cover shown in the picutres below 2 Grip the bottom of motor cover assembly and pull out it 3 Disconnect wire harness of motor cover assembly There is a auger motor on the back as shown in the picture Auger Motor 12 ...

Страница 13: ... 2 Lift the lower part slightly 3 Take the Ice Bin out slowly 3 21 HOW TO INSERT A DOOR ICE BIN 1 Insert the Ice Bin slightly tilting it to avoid touching the Icemaker especially ice maker lever Insert the ice bucket carefully avoid contacting the automatic shut off arm 13 1 2 ...

Страница 14: ...eezer door up to unhook it from the rail support and remove Pull both rails to full extension Step 5 First Remove the gear from the left side first by releasing the tab behind the gear place a screwdriver between the gear and the tab and pull up on the gear Second Remove the center rail Third Remove the gear from the right side by following the same steps for the left side NOTE THIS TAB MUST BE PU...

Страница 15: ...l align itself by pushing the rails all the way into the freezer section Pull the rails back out to full extension Step 6 Reinstall the two screws into the guide rails one from each side Step 3 Insert the rail into the left side gear and insert the gear into the clip Step 5 Reinstall the freezer door by inserting the rail tabs into the guide rail Step 7 Reinstall the lower basket and close the fre...

Страница 16: ...ASSEMBLY METHOD 1 Using a short screwdriver loosen one SCREW in DRAIN PIPE ASSEMBLY and one connected to the MOTOR COVER 2 Pull and separate the FAN ASSEMBLY and MOTOR turning counterclockwise based on the MOTOR SHAFT The assembly is in the reverse order of the disassembly and take special care for the following details 1 Be careful not to bend the tube during assembly 2 Press the WATER DISPENSER ...

Страница 17: ...r open to full extension Remove the drawer and Ice Bin lifting the basket from the rail system 3 26 BOTTOM DRAWER To remove the freezer drawer pull the drawer open to full extension Remove the lower DuraBase basket by lifting the basket from the rail system 17 ...

Страница 18: ...this configuration can maintain a residual voltage over the compressor when the thermostat is opened obstructing the proper functioning of the TSD It is vital f or the TSD circuit and compressor t o remain completely de energized after opening the thermostat Ð Use of the fixing clamp is essential as this prevents disconnection or bad TSD contact in relation to the compressor as well as to running ...

Страница 19: ...rted in the Compressor 2 For normal operation of the OLP do not turn the Adjust Screw of the OLP in any way Part Customer part number Lot code date code 330 FBYY S1 BOX98 12345678 Physical termination part number Electrical characteristics part number No Name Base phenolic UL 94 V 0 rated Movable arm support plated steel Stationary contact support plated steel Heater support plated steel Heater re...

Страница 20: ...5 CIRCUIT DIAGRAM 20 ...

Страница 21: ...sensor is not over 8 C it is caused It is caused when feedback signal isn t over 65 seconds during BLDC FAN motor operating It is caused when feedback signal isn t over 65 seconds during BLDC FAN motor operating Communication Error between Micom of Main PCB and Display Micom It is caused when feedback signal isn t over 65 seconds during BLDC FAN motor operating Normal operation of Display Check ea...

Страница 22: ...Sensor Error Is the connection loose Main PCB BL BL F Sensor CON6 11 12 If the ER FS appears Replace the main PCB Otherwise explain to the customer Replace F sensor No pin12 pin11 Wiring diagram Yes 1 4 120 k Pin11 to pin12 Result Test Point Reconnect Reconnect CON6 and Power ON Power Off Tip To protection of MICOM No Yes Is Er FS displayed Yes ...

Страница 23: ... value between pins 9 10 of CON6 as below WH to WH Is the connection loose If the ER rS appears Replace the main PCB Otherwise explain to the customer Replace R sensor No pin10 pin9 Yes 6 300 kΩ Pin9 to pin10 Result Test Point Reconnect Reconnect CON6 and Power ON Power Off Tip To protection of MICOM No Yes Is Er FS displayed Yes ...

Страница 24: ...nection loose If the ER dS appears Replace the main PCB Position No 500A Otherwise explain to the customer Replace D sensor No pin8 pin7 Yes 6 300 Pin7 to pin8 Result Test Point Reconnect Reconnect and Power ON Power Off Tip To protection of MICOM No Yes Is resistance value between pins 1 2 of Housing A as below BO to BO Replace a D Sensor pin1 pin2 1 156 141 5 Pin1 To pin2 Result Test Point Check...

Страница 25: ...nce Replace the Icing Sensor Yes 1 4 120 k 1 To 2 Result Test Point Checking Open or Short of wire pin2 BL pin1 BL Replace Display PCB Position No 501A If the ER IS appears Replace Main PCB Otherwise explain to the customer Reconnect and Power ON Display PCB Inner of Icing door Yes Disconnect CON101 and measure the value Is resistance value between pins 1 2 of CON101 as below BL to BL No Is resist...

Страница 26: ... 6 1 3 1 2 BK Is the connection loose pin4 BL pin10 WH No Yes 115 V pin4 To pin10 Result Test Point Reset TEST3 MODE Normal Is the voltage value between pins 10 WH and 4 BL of CON3 0 V AC No Yes 0 2 V Reset Norm OP Result Test Point Defrost Heater Error Wiring diagram Relay Open Relay Open Relay Open Relay Open Reconnect Relay operation Relay operation Relay operation Relay operation pin4 BL pin10...

Страница 27: ...20 C 8 896 k 30 C 6 201 k 40 C Result Test Point 2 BO 1 BO Heater Resist ance Heater Resist ance Heater Resist ance Heater Resist ance No Defrost Senso r Resistance Defrost Senso r Resistance Defrost Senso r Resistance Defrost Senso r Resistance Is the resistance value of DEF sensor like as below It depends on the temperature Replace Fuse M Position No 400A Is the resistance value of Fuse ÐM like ...

Страница 28: ... under Test1 mode Explain to the customer Replace MAIN PCB Position No 500A Replace MAIN PCB Position No 500A Is Er FF displayed Yes Is the connection loose Reconnect Housing Main PCB WH CON4 2 3 4 1 2 3 BK PR F FAN 1 2 3 BK RD PR Check fan motor Connector Frozen Locked and replace No Yes Is the feedback voltage between pin3 and pin4 of CON4 like as below from motor to main board N0 Yes No pin4 PR...

Страница 29: ...oint Feedback Voltages N0 10 16 V pin8 To pin9 Result Test Point Pin8 BO Pin7 SB Condenser Condenser Condenser Condenser Fan Voltages Fan Voltages Fan Voltages Fan Voltages Yes Reset and Enter the TEST 1 MODE Is the output voltage between pin8 and pin9 of CON4 like as below Explain to the customer Check fan motor Connector Locked mouse and replace Position No 420A N0 Yes Is the condenser fan rotat...

Страница 30: ...0 16 V pin5 To pin6 Result Test Point Pin7 BN Pin6 BL 1 4 V Pin6 To pin7 Result Test Point Pin6 BL Pin5 RD Icing Fan Voltages Feedback Voltages Yes Reset and Enter the TEST 1 MODE Is the output voltage between pin5 and pin6 of CON4 like as below RD BL BN Explain to the customer Check fan motor Connector Frozen Locked and replace N0 Yes Does the cold air come out of the side duct under the Test1 Mo...

Страница 31: ...loose Replace the Display PCB Position No 501A Display PCB Is the voltage between pins 4 and pin 5 of CON101 Yes No pin5 BO pin4 BN No Reconnect Replace Display PCB Display PCB Is the voltage between pin3 and pin5 of CON101 0 V or 5 V Pin5 BO Pin3 RD No Is the joint connection loose In the Hinge Reconnect No Yes 0 V or 5 V pin4 To pin5 Result Test Point 0 V or 5 V Pin3 To pin5 Result Test Point Tr...

Страница 32: ...BO pin4 RD 0 V or 5 V pin2 To pin4 Result Test Point 0 V or 5 V pin2 To pin3 Result Test Point Receiver Voltages Transmitter Voltages Main PCB Is the voltage between pin 2 and pin 3 of CON5 0V or 5V Main PCB Is the voltage between pin2 and pin4 of CON5 0 V or 5 V Yes Yes No Replace MAIN PCB Position No 500A Replace MAIN PCB Position No 500A ...

Страница 33: ...es No Reconnect No Yes In CUBE Mode Is the voltage between pin5 and pin11 of CON1 like as below while pushing the ICE lever switch Pin5 WH Pin5 WH Pin5 WH Pin5 WH Pin11 BK n1 K n1 K K 115 V pin5 To pin11 Pushing Normal Lever switch 0 2V pin5 To pin11 Result Test Point CUBE Mode doesnÕt work Wiring diagram 7 4 2 1 Relay open of cube solenoid Replace Dispenser PCB Position No 500C Dispenser PCB WH ...

Страница 34: ... Position No 606A Replace Dispenser PCB Position No 500C 115 V pin4 To pin9 Pushing Normal Lever switch 0V pin4 To pin9 Result Test Point In CUBE Mode Is the voltage between pin5 and pin12 of CON1 like as below while pushing the ICE lever switch In CUBE Mode Is the voltage between pin4 and pin9 of CON1 like as below while pushing the ICE lever switch 115 V pin5 To pin12 Pushing Normal Lever switch...

Страница 35: ... 1 To 2 Result Test Point 1 2 Resistance of Dispenser solenoid Replace Dispenser Solenoid Position No 405A No Yes Is the condition of the micro switch like as below Replace Micro Switch Position No 402C After plug in explain to the customer Infinity Normal 0 Push the Lever Tester Status 1 2 ...

Страница 36: ...ush Mode DoesnÕt work Wiring diagram Output voltage of Auger motor 115 V Pin5 To pin12 Pushing Normal Lever switch 0V pin5 To pin12 Result Test Point Dispenser PCB In Crush Mode Is the voltage between pin5 and pin12 of CON1 like as below while pushing the lever switch 12 CON1 5 9 4 Pin5 WH Pin12 SB Replace Dispenser PCB Position No 500C ...

Страница 37: ...pin4 To pin9 Pushing Normal Lever switch 0V pin4 To pin9 Result Test Point In Crush Mode Is the voltage between pin4 and pin9 of CON1 like as below while pushing the lever switch Pin9 RD Pin9 RD Pin9 RD Pin9 RD Pin4 BL Pin4 BL Pin4 BL Pin4 BL No Yes Is the condition of the micro switch like as below After plug in explain to the customer Infinity Normal 0 Push the Lever Tester Status 1 2 Replace Di...

Страница 38: ...k Wiring diagram Display PCB Is the connection loose Yes No Reconnect No Yes In Water Mode Is the voltage between pin4 and pin10 of CON1 in dispenser PCB like as below while pushing the Water lever switch Output voltage of door water valve 115 V pin4 To pin10 Pushing Normal Lever switch 0V pin4 To pin10 Result Test Point Replace Dispenser PCB Position No 500C ...

Страница 39: ...t Point Checking resistance of Second valve Replace First Water valve Position No 619A Replace Second Water valve Position No 619B Machine room In door In Water Mode Is the voltage between pin4 and pin11 of CON3 in main PCB like as below while pushing the level switch No Yes Is the condition of the micro switch like as below Replace Micro Switch Position No 279G After plug in explain to the custom...

Страница 40: ...Result Test Point Yes No Voltage of Freezer LED CON6 CON6 F LED MODULE 1 2 3 13 CON6 14 15 Main PCB F DOOR Switch Freezer LED Module DoesnÕt work PK BK RD GY SB WH No Is the condition of the freezer door switch like as below Yes 0 Normal Infinity Push the Switch Tester Status Replace Door switch Position No 406B A A A A B B B B Replace MAIN PCB Position No 500A ...

Страница 41: ...Voltage of Door S W Signal Voltage of Freezer LED 0 V pin2 To pin3 Close 12 V pin2 To pin3 Open Door Result Test Point Pin3 WH Pin2 BK 1 Check the harness open or short Replace F LED Module Position No 409E Is the voltage between pin 13 and pin15 of CON6 like as below pin15 PK pin13 SB 12 V pin13 To pin15 DonÕ t Care Door Result Test Point Yes No CON6 Voltage of Door switch Voltage of Door switch ...

Страница 42: ...elow Is the connection loose Reconnect No pin15 PK pin14 GY 12 V pin14 To pin15 DonÕ t Care Door Result Test Point Yes No Voltage of Refrigerator LED CON6 CON6 No Is the condition of the freezer door switch like as below Yes 0 Normal Infinity Push the Switch Tester Status Replace Door switch Position No 402A A B PK GY SB BL WH BL WH Replace MAIN PCB Position No 500A Yes ...

Страница 43: ...pin1 To pin2 DonÕt care Door Result Test Point Pin2 BK Pin1 RD 1 Check the harness open or short 2 replace F LED Module Is the connection loose Reconnect Yes No CON5 Is the voltage between pin 6 and 7 of CON5 like as below pin6 BN Pin7 BL WH No Yes CON5 0 V pin6 To pin7 Close 12 V pin6 To pin7 Open Door Result Test Point Replace MAIN PCB Position No 500A Replace MAIN PCB Position No 500A Voltage o...

Страница 44: ...CON4 like as below pin1 BL WH Pin14 No Aoltage of Door S W Signal Aoltage of Door S W Signal CON4 No Yes Is the voltage between pin2 and pin3 of Refrigerator LED Module Housing 0 V pin2 To pin3 Close 12 V pin2 To pin3 Open Door Result Test Point Check the harness open or short Replace R LED Module Position No 409D Pin3 WH Pin2 BK Replace MAIN PCB Position No 500A ...

Страница 45: ...s the voltage between pins 2 and pin 3 of CON4 like as below N0 Yes Pin3 BK pin2 WH 12 16 V Pin2 To pin3 Result Test Point No Yes Feedback check Is the voltage between Pin 2 and pin3 of CON4 like as below 1 4 V pin3 To pin4 Result Test Point CON3 CON3 CON4 Pin4 PR pin3 BK CON4 Pin4 BL No Yes Replace MAIN PCB Position No 500A Replace MAIN PCB Position No 500A Replace MAIN PCB Position No 500A Volta...

Страница 46: ...like as below 1 RD 2 WH 3 BL 4 YL No Yes 373 456 1 To 4 373 456 2 To 3 Result Test Point Replace Damper Position No 120A After reset the unit take steps to PCB as follows for temperature compensation 1 In the case of EBR419564 Compensate with Jump wire cutting Cutting of jumper wire 1 0 deg JCR4 Cutting both jumpers affords a 2 temperature compensation 1 0 deg JCR3 Temp Compensation JUMP WIRE Chec...

Страница 47: ... Pins 4 and pin 12 of CON3 like as below MAIN PWB Is the connection loose No Yes Reconnect 115 V Pin4 To pin12 Result Test Point Voltage of Compressor Voltage of Compressor Voltage of Compressor Voltage of Compressor CON3 Yes Yes Checking Damper itself Is the resistance Values between 1 4 2 3 like as below 1 RD 2 WH 3 BL 4 YL No Yes 373 456 1 To 4 373 456 2 To 3 Result Test Point Replace Damper Po...

Страница 48: ...ensation JUMP WIRE Cutting of jumper wire Enter the TEST 3 MODE Is the voltage between Pins 4 and pin 12 of CON3 like as below 0 2 V Pin4 To pin12 Result Test Point Voltage of Compressor Voltage of Compressor Voltage of Compressor Voltage of Compressor Yes Yes Pin12 BK CON3 Pin4 BL 1 In the case of EBR419564 Compensate with Jump wire cutting Replace MAIN PCB Position No 500A ...

Страница 49: ...t Test Mode Push the TEST button on the Main PWB You can start the TEST MODE 2 Wire Color BL Blue WH White BO Bright Orange BK Black BN Brown PR Purple RD Red GN Green SB Sky Blue GY Gray BL WH Blue White NOTE 1 time Comp Damper All FAN on All things displayed 2 times Damper closed 22 22 displayed 3 times Forced forced defrost mode 33 33 displayed ...

Страница 50: ...here is a fan motor malfunction this process is repeated 3 times If the fan motor is determined to be defective the error code will be shown in the display for 30 minutes At this point the process will be repeated until the fan motor operates normally If normal operation is achieved the error display is erased and the MICOM is reset automatically No signal Error Display 15s 10s 15s 10s 15s Normal ...

Страница 51: ...ow to Measure Fuse M Set a ohmmeter to the 2 housing pin Measure the 2 pin connected to Fuse M If the ohmmeter indicate below 0 1ohm fuse m is a good condition But infinitely great ohm Fuse M is disconnection How to Measure Sensor Standard Set a ohmmeter to The 2housing pin Measure the 2 pin connected to Sensor If the ohmmeter indicate 11kΩ at room temperature Sensor is not a defect When check the...

Страница 52: ...tance Set a ohmmeter connect to The 2 housing pin Measure the 2 pin connected to Sheath Heater If the ohmmeter indicate V øV Watt R is good condition ex when watt 350w voltage 115v R 115 ø115 350 38Ω But the ohmmeter indicate infinitely great Sheath heater is disconnection Function How to Measure Standard Sheath heater at all temperature 34 42 Ω 1 to 2 Ressult Test Point ...

Страница 53: ... 53 7 3 Door Heater Assembly The heater is designed to prevent the raising dew from door Function How to Measure Standard 2 3 2 9 1 to 2 Ressult Test Point 1 2 5 4 6 7 8 9 3 ...

Страница 54: ...oving plunger of door switch up and down Check the resistance between connectors 1 2 and 3 4 It means check whether or not applying an electric current If there is resistance it means the switch not inferiority Function How to Measure Switch Freezer Switch Refrigerator Beep Beep Standard Multimeter beep Switch F R None Ω Beep or 0 Ω Push the button Plunger Nomal 1 2 4 1 2 3 4 3 3 4 2 1 Button Plun...

Страница 55: ...noid Dispenser solenoid When customer push the dispenser button Pull duct door and abstract from ice bank Function How to Measure Dispenser Solenoid Standard Dispenser Solenoid 44 54 Ω 1 to 2 Result Test Points 1 2 ...

Страница 56: ...d motor 1 2 and solenoid 3 4 It means check whether or not applying an Electric current If there is resistance it means the geared motor or solenoid is not inferiority Function How to Measure Geared Motor Cube Solenoid Standard Geared Motor 2 38 4 02 Ω 1 to 2 Result Test Points Cube Solenoid 32 40 Ω 3 to 4 Result Test Points 1 Take out the male housing from female housing 2 Measure the resistance ...

Страница 57: ...will rise Check the resistance between connectors 1 3 and 2 4 It means check whether or not applying an electric current If there is resistance it means the damper not inferiority Function How to Measure extension Damper Circuit Standard Damper 373 456 Ω Red and Yellow Result Test Points 373 456 Ω Blue and White Result Test Points 1 Blue 1 Blue 2 Red 3 White 3 White Checj the 1 3 Check the 1 3 Che...

Страница 58: ...The lamp socket supply electric source to lamp also Check the resistance between connector of housing and connector of lamp socket It means check whether or not applying an electric current If there is resistance it means the lamp socket is not inferiority Function How to Measure Standard 0 Ω 1 to 2 and 3 to 4 Result Test Points 1 2 3 4 ...

Страница 59: ...ity water to water filter in refrigerator second Water Valve in door supply the water from water filter to icemaker and dispenser Function How to Measure First water valve in machine room second water valve in door Standard 360 420 Ω 1 to 2 Result Test Points Dispense Ice Maker ...

Страница 60: ...ace compressor Supply voltage rating with 10 Applied voltage isn t in acceptable range 115V 10 Remove TSD Starter from compressor and measure voltage between terminal C of compressor and terminal 5 or 6 of TSD Check resistance between M C S C and M S in motor compressor Check resistance of two terminals in TSD Starter Check resistance of two terminals in OLP Check the power supply under load Compr...

Страница 61: ...rate TSD Starter from compressor and measure resistance between No 5 and 6 of PTC Starter with a tester Figure 19 Separate OLP from compressor and check resistance value between two terminals of OLP with a tester Figure 20 Observation value is 115V 60Hz 6 8Ω 30 The resistance value is 0Ω short or open Check another electric component Replace OLP Replace TSD Starter Figure 19 Figure 20 ...

Страница 62: ... high Is there a gap in the door gasket Is the unit positioned in a firm and even place Are any unnecessary objects placed in the back side of the unit Check if the Drip Tray is not firmly fixed Check if the cover of the compressor enclosure in the lower front side is taken out Check if the door gasket is dirty with an item like juice Is the refrigerator level Is there too much food in the refrige...

Страница 63: ...formed restoring the normal amount of cool normally refrigerant and repairing the leak PARTIAL Freezer Flowing sound of refrigerant A little higher Normal discharging of the CLOG compartment and is heard and frost forms than ambient refrigerant Refrigerator don t in inlet only temperature The capillary tube is faulty cool normally WHOLE Freezer Flowing sound of refrigerant Equal to ambient Normal ...

Страница 64: ...ial Very Fast Inefficient Compressor Partial Restriction Complete Restriction Equalization Test Condenser Temperature None Very Fast Very Slow Very Slow Hotter than Normal Air Low Side Leak Loss of Change Compressor Not Pumping Cap Tube Sound Room Temperature Trace of Oil Undercharge Leak Yes No Faint Fast None to Weak The equalization test is trying to restart a compressor using a start kit after...

Страница 65: ...its until water becomes ICE after starting the icemaking operation Runs MOTOR to drop ice from the tray into the ICE BIN During harvest mode check if the ice bin is full Performs Ice Making 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 icemaker will run through 3 stages Harvest Fill Icemaking Reaches Star...

Страница 66: ...f ice in the ice storage bin while rotating with the EJECTOR A Ice storage bin is full The EJECTOR stops heater off B Ice storage bin is not full The EJECTOR rotates twice to open for ice If the EJECTOR does not rotate once within 5 minutes in B mode separate heater control mode starts operating to prevent the EJECTOR from being constrained It is recommended that the user open for ice to return to...

Страница 67: ...pre test setting Diagnosis TABLE 9 3 DEFECT DIAGNOSIS FUNCTION 9 3 1 ERROR CODES shown on Ice Maker water supply control panel 67 STAGE ITEMS INDICATOR REMARKS 1 2 3 4 5 6 HEATER MOTOR HALL IC I HALL IC II VALVE Reset Five seconds after heater starts a heater will go off if the temperature by sensor is higher than 10 C Five seconds after heater starts you can confirm that a motor is moving Check i...

Страница 68: ...ock the display the dispenser and the control panel press and hold the LOCK button for 3 seconds The locked pad lock icon is displayed 3 The LOCK button is the only control feature that remains active in the locked state The buzzer sound other control buttons and the dispenser are deactivated 4 To release from the locked state press and hold the LOCK button again for 3 seconds 10 1 4 Filter condit...

Страница 69: ...continuously 10 1 8 CONTROL OF FREEZER FAN MOTOR 1 Freezer fan motor has high and standard speeds 2 High speed is used at power up for Ultra Ice and when refrigerator is overloaded Standard speeds is used for general purposes 3 To improve cooling speed the RPM of the freezer fan motor change from normal speed to high 4 High speed 2700RPM Initial power on or load corresponding operation Ultra Ice N...

Страница 70: ... when Ice Plus has run for more than 90 minutes Ice Plus will run for two hours after the defrost is completed 3 If Ice Plus is pressed during defrost Ice Plus Icon is on but this function will start seven minutes after defrost is completed and it shall operate for three hours 4 If Ice Plus is selected within seven minutes after compressor has stopped the compressor compressor delays seven minutes...

Страница 71: ...won t function if its sensor is defective wires are cut or short circuited 10 1 14 Defect Diagnosis Function 1 Automatic diagnosis makes servicing the refrigerator easy 2 When a defect occurs the buttons will not operate but the tones such as ding will sound 3 When the defect CODE removes the sign it returns to normal operation RESET 4 The defect CODE shows on the Refrigerator and Freezer Display ...

Страница 72: ...hen Defrosting if Defrosting sensor is not over 46 F 8 C it is caused It is caused when F B signal isn t over 65 seconds during BLDC FAN motor operating It is caused when F B signal isn t over 65seconds during BLDC FAN motor operating It is caused when F B signal isn t over 65seconds during BLDC FAN motor operating Communication Error between Micom of Main PCB and Display Micom Normal operation of...

Страница 73: ... be activated Table 1 Function Test 73 MODE OPERATION FUNCTION REMARKS TEST1 TEST2 TEST3 RESET Push test button one time at main PCB controller Push Test button one in TEST PCB MODE1 Push Test button one in TEST PCB MODE2 Push Test button one in TEST PCB MODE3 1 peration of the COMPRESSOR and FAN Freezer Condenser Icing 2 Stepping DAMPER OPEN 3 Defrosting HEATER OFF 4 DISPLAY LED all ON 1 peration...

Страница 74: ...2 Vdc and the MICOM and IC 5 Vdc The voltage for each part is as follows VA1 is a part for preventing over voltage and noise When 230V or higher power is applied the inside elements are short circuited and broken resulting in blowout of the fuse in order to protect the elements of the secondary part of the TRANSFORMER PART VA 1 CE 3 CE 4 CE 5 VOLTAGE 240 Vac 12 Vdc 15 5 Vdc 5 V ...

Страница 75: ...zing compartment fan Pin2 3 of con4 MOTOR OFF 2V or less MOTOR ON 13V 15V 75 Circuit Pin Number Pin Number Output Voltage I Maker Pilot Valve Con3 Pin3 Con3 Pin2 240 Vac R R Door R L Door Heater Con3 Pin8 Con3 Pin2 240 Vac Def Heater Con3 Pin10 Con3 Pin2 240 Vac Water Pilot Valve Con3 Pin11 Con3 Pin2 240 Vac Compressor Con3 Pin12 Con3 Pin2 240 Vac LAMP R Con3 Pin9 Con3 Pin2 240 Vac LAMP F Con3 Pin...

Страница 76: ...2 3 Machine compartment fan 2 4 Icing compartment fan Pin8 9 of con4 MOTOR OFF 2V or less MOTOR ON 10V 14V Pin5 6 of con4 MOTOR OFF 2V or less MOTOR ON 10V 14V 76 ...

Страница 77: ...rrounding temperature into MICOM Opening or short state of each temperature sensor are as follows Closed 5 V Open 0V Freezer Refrigerator Door Measurement Location Pin 11 12 of con4 Ref Door Pin 5 6 of con6 Fre Door 77 SENSOR CHECK POINT NORMAL 30 C 50 C SHORT CIRCUITED OPEN Freezer sensor POINT Voltage Refrigerator sensor POINT Voltage 0 5 V 4 5 V 0 V 5 V Defrosting sensor POINT Voltage Room Temp...

Страница 78: ...ed Measure the F SENSOR SUPER FROST SENSOR R1 R2 SENSOR after disconnect CON5 of PWB ASSY MAIN TEMPERATURE RESISTANCE OF FREEZER ICING RESISTANCE OF REFRIGERATOR SENSOR DEFROST SENSOR ROOM SENSOR 20 C 22 3 KΩ 77 KΩ 15 C 16 9 KΩ 60 KΩ 10 C 13 0 KΩ 47 3 KΩ 5 C 10 1 KΩ 38 4 KΩ 0 C 7 8 KΩ 30 KΩ 5 C 6 2 KΩ 24 1 KΩ 10 C 4 9 KΩ 19 5 KΩ 15 C 3 9 KΩ 15 9 KΩ 20 C 3 1 KΩ 13 KΩ 25 C 2 5 KΩ 11 KΩ 30 C 2 0 KΩ 8...

Страница 79: ...st button once To close the damper push test button twice 10 2 5 Dispenser Drive Circuit 79 Circuit Pin Number Pin Number Output Voltage Auger Motor Con1 Pin12 Con1 Pin4 115 VAC Solenoid Cube Con1 Pin11 Con1 Pin4 115 VAC Pilot Water Valve Con1 Pin10 Con1 Pin4 115 VAC Solenoid Dispenser Con1 Pin9 Con1 Pin4 115 VAC Heater Con1 Pin7 Con1 Pin4 115 VAC ...

Страница 80: ... 80 9 2 6 LED in Refrigerator Freezer room Apply for LED Model Optional CON6 12V GND 14 15 Circuit Pin Number Pin Number Output Voltage LED Module Con6 Pin14 Con6 Pin15 12 VDC ...

Страница 81: ...VAPORATORandthe surfacetemperatureof thecondenserpipe USETESTMODE1 forcedCOOLING Checktheamountoffrost stickingonthe EVAPORATOR oftheRefrigerator SENSOR Checkthesealwhenthe doorisclosed POWERSOURCEis poor Appliedvoltageerror CONNECTOR connectionispoor TRANSFUSEisopen COMPRESSORlocked orblocked OLP PTCispoor COMPRESSORRELAY ispoor THECONNECTING WIREispoor Refrigerantleakage FANMOTORispoor CONNECTIN...

Страница 82: ... forcedDEFROSTING CheckDRAINPIPE Makesurethat DEFROSTSENSORis connected Makesurethat FREEZER REFRIGERATOR DOORisclosed FANMOTORispoor Passageofcoolairis blocked EVAfrozen Doorlinerdamaged HEATERdisconnection TEMPERATUREFUSE disconnection Connectionispoor DEFROST SENSORis poor HEATERRELAYispoor DRAINPIPEisblocked Connectionispoor DOORdoesnotclose properly MakesuretheDOOR isattached ReplaceFANMOTOR ...

Страница 83: ...10 4 MAIN PWB ASSEMBLY AND PARTS LIST 10 4 1 Main PWB Assembly CON1 CON2 CON3 EBR419564 CON4 CON5 CON6 83 ...

Страница 84: ...10 4 2 Dispenser Drive PWB Assembly Display PWB Dispenser PWB CON103 CON101 CON102 CON4 CON3 CON2 CON1 CON4 84 ...

Страница 85: ...0 LE FOYERSM 1 888 533 6937 www sears ca The model number of your refrigerator is found on the serial plate inside All repair parts listed are available for immediate purchase or special order when you visit your nearest Sears Service Center or the Service Department at most Sears stores To order parts by phone call the toll free parts number listed to the left When requesting service or ordering ...

Страница 86: ...C 408A B03 B04 S17 S15 145B B03 106A 610A 103C 402A S10 S12 S11 S19 S20 603B S03 S03 S14 262B B02 310B 327A 610B 610B 301A 406D 207C 402A 405F 404A 405C 407B 405B 329A 135D 407A S16 332C 158A 503D 503E S11 409D 120B 145A S08 282G 282F 120A S14 262H 249M 249L 249D 249C 610B B03 S14 262H 503F 158B 409E CASE PARTS CAUTION Use the part number to order part not the position number 271A 271B 271C 271D ...

Страница 87: ...301 MEG42262301 Holder Rail 262B 4775JJ2017P 4775JJ2017F Hinge Assembly Center 262H 4775JJ2017R 4775JJ2017H Hinge Assembly Center 271A 4775JJ2014B 4775JJ2014B Hinge Assembly Upper 271B 4510JA3004A 4510JA3004A Lever Hinge 271C 4775JJ2014A 4775JJ2014A Hinge Assembly Upper 282F 5006JA3111A 5006JA3111A Cap Duct 282G MBL38019501 MBL38019501 Cap Duct 283B 4774JJ3002A 4774JJ3002A Hinge Lower 300A 2521JA1...

Страница 88: ...1411J 6871JB1411J PCB Assembly MAIN 501F 3551JA2144C 3551JA2144C Cover Assembly PCB 503D MBN38018601 MBN38018601 Case Lamp 503E ACQ33676502 ACQ33676502 Cover Assembly Lamp 603B 4930JA3091A 4930JA3091A Holder Bracket 610A 3550JA2247A 3550JA2247A Cover Sensor 610B MCK39131501 MCK39131501 Cover Sensor 624A 5231JA2006A 5231JA2006A Filter Assembly Water 624C 3550JD1128B 3550JD1128B Cover Filter 624D 52...

Страница 89: ... 131B MJS42266201 MJS42266201 Tray Quick Freezer 136A AJP36764801 AJP36764801 Tray Assembly Drawer 136B MJS42262501 MJS42262501 Tray Drawer 203B MDS42267901 MDS42267901 Gasket Door 203C MDS42267902 MDS42267902 Gasket Door 237C MEA42263801 MEA42263801 Guide Drawer 250G MJH48434601 MJH48434601 Support Holder FREEZER PARTS CAUTION Use the part number to order part not the position number ...

Страница 90: ...42A AHT36963703 AHT36963703 Shelf Assembly Refrigerator 142B AHT36963801 AHT36963801 Shelf Assembly Refrigerator 142D 5027JJ2012H 5027JJ2012H Shelf Assembly Net 145D MJS42244701 MJS42244701 Tray Fresh Room 146A J469 00030A J469 00030A Wine Rock Only 7878 Model 146E ACQ36701703 ACQ36701703 Cover Assembly Tray 147A 5074JJ1016A 5074JJ1016A Bucket Dairy 147C 3550JJ1084A 3550JJ1084A Cover Bucket 151A A...

Страница 91: ...S25 243B 234B 234D 244A B06 B06 244A B06 B06 203A B06 B06 250A 250B 249E 249A 249J 250B 249E 249A 249J 249F 249B 250B 249K 212D 201A 200A 200B 203B B06 B06 250A 249F 249B 250B 249K 212D 201B 619B 603D 615A 603C 312B DOOR PARTS CAUTION Use the part number to order part not the position number Only for the service 241G 241H 241J ...

Страница 92: ...02E 4931JJ2002E Holder Assembly Gasket 234D 4931JJ2002F 4931JJ2002F Holder Assembly Gasket 241A AAP33683603 AAP33683603 Basket Assembly Door 241B MAN38142901 MAN38142901 Basket Door 241C MAN39723202 MAN39723202 Basket Window 241D AAP36817401 AAP36817401 Basket Assembly Door 241F AAP36817601 AAP36817601 Basket Assembly Door 241G AAP33726606 AAP33726606 Basket Assembly Door 243A 4620JJ3006D 4620JJ30...

Страница 93: ...penser 278D MDR42340501 MDR42340504 Funnel 278F 6871JB2074A 6871JB2074A PCB Assembly Display 279A ACQ36820505 ACQ36820504 Cover Assembly Dispenser 279B MCK42340001 MCK42340001 Cover Dispenser 279D 3550JB1001A 3550JB1001A Cover Display 279E MCR42340901 MCR42340901 Décor Cover Display 280B 4930JA2074B 4930JA2074B Holder Button 280C 5020JA2040E 5020JA2040L Button Lever 281A MCR42338202 MCR42338201 Dé...

Страница 94: ...mbly 630A ADC33751102 ADC33751102 Door Assembly Freeze Room 630B ADD33178702 ADD33178702 Door Foam Assembly 630C 4987JA2012B 4987JA2012B Gasket Assembly Door 630D MEB49049002 MEB49049002 Handle Home Bar 630E MCR42600501 MCR42600501 Décor Handle 630F 4775JA2101A 4775JA2101A Hinge Assembly Upper 630G 4775JA2102A 4775JA2102A Hinge Assembly Lower 630H MCK38202501 MCK38202501 Cover Home Bar 630J 4987JA...

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