Kenmore 795.78733.806 Service Manual Download Page 31

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6-5 OPERATION PRINCIPLE

6-5-1 Operation Principle of IceMaker

Power On

Start Position

• Adjusts EJECTOR to

Start Position

with power on.

Icemaking

Mode

• Waits until water becomes ICE after starting the

icemaking operation.

Harvest

Mode

• Runs MOTOR to drop ice from the tray into the ICE BIN.

(During harvest mode, check if the ice bin is full)

Park Position

• Reaches Start Position

Fill

Test Mode

• 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

1. Turning the Icemaker stop switch off (O) stops the ice making function.
2. Setting the Icemaker switch to OFF and then turning it back on will reset the icemaker control.

Cube Size
Indicator Light

Cube Size
Selection Button

Automatic
Shut off Arm

Power
Switch

EJECTOR

Summary of Contents for 795.78733.806

Page 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Model s REFRIGERATOR SERVICE MANUAL 795 78733 806 795 78739 806 P No MFL55142408 Last Revision January 18 2010 ...

Page 2: ...ALL THE PULLOUT DRAWER 19 20 WATER VALVE DISASSEMBLY METHOD 21 FAN AND FAN MOTOR DISASSEMBLY METHOD 21 PULL OUT DRAWER 22 4 ADJUSTMENT 23 24 COMPRESSOR 23 PTC STARTER 23 OLP OVERLOAD PROTECTOR 24 TO REMOVE THE COVER PTC 24 5 CIRCUIT DIAGRAM 25 6 TROUBLESHOOTING 26 63 7 COMPONENT TESTING INFORMATION 64 73 SAFETY PRECAUTIONS Please read the following instructions before servicing your refrigerator 1...

Page 3: ...12K Compressor Hi Side TCA31748001 Evaporator Lo Side 5421JJ1003B Condenser ACG36653801 Dryer 5851JA2008U Condenser Fan Motor 4681JB1029D Temperature Control ABQ56655301 STS ABQ56655303 WB Dispenser Control ACQ67140901 STS ACQ67140903 WB Main Control EBR41956439 Ice Fan Motor 4681JB1027E 25cu ft 795 78733 806 795 78739 806 1 8 AIR FLOW CIRCULATION D AIR 1 3 ELECTRICAL SPECIFICATIONS Temperature Co...

Page 4: ... o Door Depth Total with Door Open Height to Top of Case Height to Top of Door Hinge Width Width door open 90 deg w o handle A B C D E F G H 34 1 4 in 31 3 4 in 27 7 8 in 46 1 2 in 68 3 8 in 69 3 4 in 35 3 4 in 39 1 4 in Description 795 787 806 ...

Page 5: ...ins C Fixed Door Bin D Fixed Door Bin E Refrigerator Shelves F Ice Room Ice Maker and Ice Bucket G Humidity Controlled Crisper H Glide N Serve I Use this page to become more familiar with the parts and features Page references are included for your convenience NOTE This guide covers several different models The refrigerator you have purchased may have some or all of the items listed below The loca...

Page 6: ... 4 5 Remove the grounding screw 5 6 Rotate hinge lever 6 counterclockwise and remove Lift the top hinge 7 free of the hinge lever latch 8 7 Lift the door from the middle hinge pin and remove the door 8 Place the door inside facing up on a nonscratching surface WARNING Electric Shock Hazard Disconnect electrical supply to the refrigerator before installing Failure to do so could result in death or ...

Page 7: ...acket 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 Figure 4 Correct Incorrect Gasket Bracket Clip Spring Door Frame Figure 5 Correct Incorrect 4 Push in remaining clip until you hear it snap securely into place Note Make sure that no part of gas...

Page 8: ...move the grille by removing one screw and pulling the grille forward 4 Remove the Fan Motor assembly by loosening 2 screws and disassembling the shroud 5 Pull out the fan and separate the Fan Motor and Bracket 3 3 DOOR ALIGNMENT If the space between your doors is uneven follow the instructions below to align the doors 1 With one hand lift up the door you want to raise at middle hinge 2 With other ...

Page 9: ...OST CONTROL ASSEMBLY Ice Fan Scroll Assembly Replacement 1 Remove the plastic guide for slides on left side by unscrewing phillips head screws 2 Pull the grille forward as shown in the second picture 3 Disconnect wire harness of the grille 4 Remove the scroll assembly by loosening all screws 3 4 3 5 DEFROST CONTROL ASSEMBLY Defrost Control assembly consists of Defrost Sensor and FUSE M The Defrost...

Page 10: ... flat screwdriver and remove 2 screws Figure 17 2 Disconnect the lead wire on the bottom position 3 8 MAIN PWB 1 Loosen the 4 screws on the PWB cover Figure 16 2 Remove the PWB cover 3 Disconnect wire harness and replace the main PWB in the reverse order of removal ...

Page 11: ...driver The cover will remain opened during the repair 2 Unscrew left and right side cross driver 3 All harness have to be removed before separation of cover 4 Unscrew 2 points and then remove connecter cover 5 Separate tube 5 16 from connecter clip have to be removed first 6 Cut the wire fixing the harness at the rib on the upper rib of the cass assembly harness outlet ...

Page 12: ... the Tray cover after pull them toward your body 9 Pull down funnel 11 Before separation of Bracket connecting rod have to be at back side position 12 Separate the Switch connection harness 10 Fix the left rib and the right rib at the marked spots correctly ...

Page 13: ...ssembly 14 Pull down and rotate toward your body duct assembly for separation 15 All harness have to be separated 16 Unscrew the 1 screw at the gear left and right 17 Separate gear left and right 18 Unscrew 2 point with short length driver ...

Page 14: ... 14 19 Pull motor box inside and then separate harness 20 Sensor box can be disassembled after removal of 3 screws in same case of motor box ...

Page 15: ...the hinge with one hand 3 Pull out the Ice Corner Door with the other hand hinge 3 11 ICEMAKER ASSEMBLY 1 Loosen two screws as shown in the first picture 2 Disconnect the wire harness ground screw replace theIcemaker assembly in the reverse order of removal 3 It separates a ground connection screw ...

Page 16: ... 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 Icemaker Power Full detection Signal ...

Page 17: ... remove 2 Unscrew one screw fixing the Cover Front and the Sub PCB 3 Pull the Cover Front to remove 4 Insert the screw driver into the center hole of the upper Sub PBC and remove the Sub PCB 5 Revove two housings connecting to the Sub PCB 6 Pull the Sub PCB to remove ...

Page 18: ...ture 2 Lift the lower part slightly 3 15 HOW TO INSERT A DOOR ICE BIN 1 Insert the Ice Bin slightly tilting it to avoid touching the Icemaker especially ice maker lever 1 2 Insert the ice bucket carefully avoid contacing the automatic shut off arm 3 Take the Ice Bin out slowly ...

Page 19: ...emove 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 PUSHED IN TO RELEASE THE GEAR Step 4 Lift the freezer door up to unhook it from the rail support and remove Pu...

Page 20: ...into the left side gear and insert the gear into the clip Step 4 The rail system will align itself by pushing the rails all the way into the freezer section Pull the rails back out to full extension Step 5 Reinstall the freezer door by inserting the rail tabs into the guide rail Step 6 Reinstall the two screws into the guide rails one from each side Step 7 Reinstall the lower basket and close the ...

Page 21: ...ut the Cilp Then press te collet to separate the tube from the connector and pour out the water until emptied Collet Tube Insert Line Clip Mechanical Cover Housing MOTOR COVER 2 Pull and separate the FAN ASSEMBLY and MOTOR turning counterclockwise based on the MOTOR SHAFT FAN ASSEMBLY MOTOR The assembly is in the reverse order of the disassembly and take special care for the following details 1 Be...

Page 22: ...Then gently lift the gear part of rear left and right side of the drawer and pull it out in direction To install reposition the gear part of rear left and right side of the drawer after pulling out both rails as much as possible and gently push down both left and right side while checking the hook on the front part Hook ...

Page 23: ...o 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 Use only approved substitute parts 4 1 2 Composition The compressor includes overload protection T...

Page 24: ...ing 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 2 For normal operation of the OLP do not turn the Adjust Screw of the OLP in any way 0 1 1 2 0 3 0 0 0 3 0 4 3 3 5 6 7 8 2 29 82 4 4 Figure 19 4 4 TO REMOVE THE COVER PTC 1 Remove the Cover...

Page 25: ... 25 5 CIRCUIT DIAGRAM ...

Page 26: ...nals in PTC Starter Replace Compressor The range of resistance is between 1 50 ok Open or short No Voltage OLP disconnected Applied voltage isn t in acceptable range 115V 10 Advise customer that power supply needs to be checked by an electrician Reference Page12 Check OLP Check resistance of two terminals in OLP Reference Page12 Check starting state Check the power supply under load Compressor att...

Page 27: ...ter Open Replace Defrost Heater Heavy frost buildup on EVAPORATOR Check current flow in the following components Sensor Fuse M Open Replace indicated component Check voltage at starting devices Poor or broken or open contact Check current flowing in sub coil of Compressor Shorted Check rating of OLP Lack of capacity Replace indicated component Check for open short or incorrect resistance readings ...

Page 28: ...rly Seal liquid foods with wrap Put in foods after they have cooled down Don t open the door too often and close it firmly Condensation forms in the Exterior Case Check if the ambient temperature and humidity of the surrounding air are high Is 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 Is t...

Page 29: ...ambient temperature Normal discharging of the refrigerant The capillary tube is faulty WHOLE CLOG Freezer compartment and Refrigerator don t cool Flowing sound of refrigerant is not heard and frost isn t formed Equal to ambient temperature Normal discharging of the Refrigerant MOISTURE CLOG Cooling operation stops periodically Flowing sound of refrigerant is not heard and frost melts Lower than am...

Page 30: ...est Very Slow None Equalization Test Very Fast Fast Very Fast Inefficient Compressor Partial Restriction Complete Restriction Condenser Temperature Cap Tube Sound Yes No Air Low Side Leak Loss of Change Very Slow Faint Hotter than Normal None to Weak Room Temperature Compressor Not Pumping Trace of Oil Undercharge The equalization test is trying to restart a compressor using a start kit after it h...

Page 31: ...ll Park Position Reaches Start Position Fill Test Mode 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 1 Turning the Icemaker stop switch off O stops the ice making function 2 Setting the Icemaker switch to OFF and then turning it...

Page 32: ...y of 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...

Page 33: ...he pre test setting STAGE ITEMS INDICATOR REMARKS 1 HEATER Five seconds after heater starts a heater will go off if the temperature by sensor is higher than 10 C Diagnosis TABLE 2 MOTOR Five seconds after heater starts you can confirm that a motor is moving 3 HALL IC I Check if Ice Bin is full or not If Ice bin is full the motor and heater are off and on stand by until Ice bin is empty 4 HALL IC I...

Page 34: ... ON alarm generated Every 10 Seconds Disturb the Tilt In Tilt In Reverse Rotation When the user cancels the Lock and closes the Dispenser manually the Error is canceled When the Tilt S W and Pad S W connects on PGM the Error is canceled Disturb the Tilt Out Motor On Tilt Out Direction Disturb the Tilt Out Display Button Button Tray When the user cancels the Lock and closes the Dispenser manually t...

Page 35: ...er will be open 2 When the Dispenser is open and when you press the Button Tray while the LED of Ice Button is on ice will be dispensed in the Dispenser 3 When the Dispenser is open and when you press the Ice Button while the LED of the Water Button is on the LED of the Ice Button will be turned on 6 9 4 Lock 1 When you press the Lock Button for 3 seconds while the Dispenser is closed the LED of t...

Page 36: ...assed 1 hour since then Defrosting if Defrosting sensor is not over 8 C it is caused Temperature Fuse Disconnection Heater disconnection DRAIN Jam Poor Relay for Heater 7 Abnormality of BLDC FAN Motor for Ice Making Er IF It is caused when feedback signal isn t over 65 seconds during BLDC FAN motor operating Poor BLDC Motor connection DRIVE IC and TR 8 Abnormality of BLDC FAN Motor for Freezer Er ...

Page 37: ...COM Reconnect Reconnect CON6 and Power ON If the ER FS appears Replace the main PWB Otherwise explain to the customer Disconnect CON6 and measure the value Is resistance value between pins 11 12 of CON6 as below BL to BL Replace Position No 610C F sensor No Yes No Yes Yes Test Point Pin11 to Pin12 Result 1 4 120 Pin11 Pin12 CON6 CON6 ...

Page 38: ...ct Reconnect CON6 and Power ON If the ER rS appears Replace the main PWB Othetwise explain to the customer Disconnect CON6 and measure the value Is resistance value between pins 9 10 of CON6 as below WH to WH Replace R sensor Position No 610B No Yes No CON6 CON6 Yes Yes Test Point Pin9 to Pin10 Result 6 300 Pin9 Pin10 ...

Page 39: ...osition No 500A Otherwise explain to the customer Is resistance value between pins 1 2 of Housing A as below BO to BO Replace D sensor Position No 400A No Yes No CON6 CON6 Yes Yes Test Point Pin1 To Pin2 Result 6 300 Pin2 Pin1 Disconnect CON6 and measure the value Is resistance value between pins 7 8 ofCON6 as below BO to BO Replace D sensor Position No 400A No Yes Test Point Pin7 to Pin8 Result 6...

Page 40: ...sistance value between pins 1 2 of Housing A as below BL to BL Is Er IS displayed Replace Icing sensor Position No 600B No Yes No CON9 CON9 Yes Yes Test Point 1 To 2 Result 1 4 120 Icing room Sensor Resistance Test Point Pin9 To Pin10 Result 1 156 141 5 Disconnect CON9 and measure the value Is resistance value between pins 9 10 of CON9 as below BL to BL Replace Main PWB Position No 500A No Yes Pin...

Page 41: ...L of CON3 0V AC Relay operation Enter the TEST 3 MODE Is the voltage value between pins 10 WH and 4 BL of CON3 115V AC Replace MAIN PWB Position No 500A No Replace MAIN PWB Position No 500A No Yes Yes Yes Yes Test Point Pin4 To Pin10 Result 115V Relay Open Test Point Reset Norm OP Result 0 2 V No CON6 CON3 CON3 CON3 Pin4 BL Pin10 WH Pin4 BL Pin10 WH ...

Page 42: ...alue of Fuse M like as below Replace Fuse M Position No 400A No No Yes Explain to the customer It can be occurred when the gasket is not stuck to product or when you put the high temperature loads hot foods a lot in the product Yes Test Point 1 To 2 Result 34 42 Ω Resistance Test Point Pin 4 to Pin 10 Result 34 42 Ω Open or Short of Fuse M Test Point 1 To 2 Result 0 Ω 30 20 10 0 Test Point X29 3 Ω...

Page 43: ...ck fan motor Connector Frozen Locked and Replace Position No 404A No Replace MAIN PWB Position No 500A No Yes Yes Yes Yes CON4 Feedback Voltages Test Point Pin3 To Pin4 Result 1 4 V Freezer Fan Voltages Test Point Pin2 To Pin3 Result 12 16 V Yes No CON4 Reset and Enter the TEST 1 MODE Is the output voltage between pin2 and pin3 of CON4 like as below Replace MAIN PWB Position No 500A Explain to the...

Page 44: ...otor Connector Locked mouse and replace Position No 420A No Replace MAIN PWB Position No 500A No Yes Yes Yes Yes Feedback Voltages Test Point Pin9 To Pin10 Result 1 4 V Condenser Fan Voltages Test Point Pin8 To Pin9 Result 10 16 V Yes No Reset and Enter the TEST 1 MODE Is the output voltage between pin8 and pin9 of CON4 like as below Replace MAIN PWB Position No 500A Explain to the customer No Pin...

Page 45: ... Check fan motor Connector Frozen Locked and replace Position No 407A No Replace MAIN PWB Position No 500A No Yes Yes Yes Yes Feedback Voltages Test Point Pin6 To Pin7 Result 1 4 V Icing Fan Voltages Test Point Pin5 To Pin6 Result 10 16 V Yes No Reset and Enter the TEST 1 MODE Is the output voltage between pin5 and pin6 of CON4 like as below Replace MAIN PWB Position No 500A Explain to the custome...

Page 46: ... PWB Position No 207C Yes Yes Yes No No Transmitter Voltages Test Point Pin2 To Pin4 Result 0 V or 5 V Receiver fail Voltages Test Point Pin2 To Pin3 Result 0 V or 5 V No No CON01 Top Display PWB Is the voltage between pins 2 and pin 3 of CON101 Replace the Top Display PWB Position No 207C Is the joint connection loose In the right Hinge Yes Reconnect Yes Pin2 BO Pin3 BN Pin2 BO Pin4 RD ...

Page 47: ...tage between pin2 and pin4 of CON5 0V or 5V Replace MAIN PWB Position No 500A Yes Reconnect Yes Main PWB Is the voltage between pin 2 and pin 3 of CON5 0V or 5V Replace MAIN PWB Position No 500A Yes No No Test Point Pin2 To Pin4 Result 0 V or 5 V Receiver Voltages Test Point Pin2 To Pin3 Result 0 V or 5 V No Pin2 BO Pin3 BN Pin2 BO Pin4 RD ...

Page 48: ...ect Yes In ICE Mode Is the voltage between pin3 and pin12 of CON2 like as below while pushing the ICE lever switch Replace Dispenser PWB Position No 155A No No CON2 Yes Relay open of cube solenoid Lever switch Pushing Normal Test Point Pin3 To Pin12 Pin3 To Pin12 Result 115 V 0 2V Pin3 WH Pin12 BK ...

Page 49: ...Resistance of Cube solenoid Is the resistance value between 1 and 2 of the cube solenoid like as below Replace Cube Solenoid Position No 614A No Yes Test Point 1 To 2 Result 32 40Ω 1 2 Output voltage of auger motor Lever switch Pushing Normal Test Point Pin3 To Pin4 Pin3 To Pin4 Result 115 V 0 2 V In CUBE Mode Is the voltage between pin3 and pin10 of CON2 like as below while pushing the ICE lever ...

Page 50: ...d Position No 405A Yes Yes No 1 2 1 To 2 Test Point Result 44 54 Ω After plug in explain to the customer Resistance of Dispenser solenoid Is the resistance between 1 and 2 of the Dispenser solenoid like as below Replace Micro Switch Position No 402C No 1 2 Normal Push the Lever Status Infinity Tester 0 Ω ...

Page 51: ...Is the voltage between pin2 and pin11 of CON2 in dispenser PWB like as below while pushing the Water lever switch Replace Dispenser PWB Position No 155A No No CON2 Yes Output voltage of Auger motor Lever switch Pushing Normal Test Point Pin2 To pin11 Pin2 To pin11 Result 115V 0V Pin2 BL Pin11 PR ...

Page 52: ...o 402C No Replace MAIN PWB Position No 500A No Replace First Water valve Position No 619A No First Water valve Is the resistance value between 1 and 2 of the First water valve like as below Yes Yes Yes Test Point 1 To 2 Result 360 420 Ω Checking resistance of First valve Test Point 1 To 2 Result 360 420 Ω Status Normal Push the Lever Tester Infinity 0 Ω Main PWB CON3 Pin11 GY Pin4 BL Output voltag...

Page 53: ...ion No 406B No Is the connection loose CON6 Reconnect Yes Is the voltage between pin 14 and pin15 of CON6 like as below Replace MAIN PWB Position No 500A No Yes No A B Yes Voltage of Freezer LED Door Don t Care Test Point Pin14 To Pin15 Result 12 V Status Normal Push the Switch Tester 0 Ω Infinity CON6 Pin14 GY Pin15 PK ...

Page 54: ... short No Is the voltage between pin 13 and pin15 of CON6 like as below Replace MAIN PWB Position No 500A Replace F LED Module Position No 409E No Yes Pin2 BK Pin1 RD Pin3 WH Pin2 BK Voltage of Freezer LED Door Don t care Test Point Pin1 To Pin2 Result 12 V Voltage of Door S W Signal Door Close Open Test Point Pin2 To Pin3 Pin2 To Pin3 Result 0 V 12 V Voltage of Door Switch Door Don t Care Test Po...

Page 55: ...ion No 402A Yes No Is the connection loose Reconnect Yes No Yes CON6 A B Status Normal Push the Switch Tester 0 Ω Infinity Is the voltage between pin 14 and pin15 of CON6 like as below Replace MAIN PWB Position No 500A No Pin14 GY Pin15 PK CON6 Voltage of Refrigerator LED Door Don t care Test Point Pin14 To Pin15 Result 12 V ...

Page 56: ...nect Yes Yes CON5 Voltage of Door S W Signal Door Close Open Test Point Pin6 To Pin7 Pin6 To Pin7 Result 0 V 12 V Is the connection loose Reconnect Yes No CON6 Is the voltage between pin 13 and 15 of CON6 like as below Replace MAIN PWB Position No 500A No Is the voltage between pin 6 and 7 of CON5 like as below Replace MAIN PWB Position No 500A No Yes No CON6 Pin13 SB Pin15 PK CON5 Pin6 BN Pin7 BL...

Page 57: ...Signal Door Close Open Test Point Pin2 To Pin3 Pin2 To Pin3 Result 0 V 12 V Is the voltage between pin 1 and 14 of CON4 like as below Replace MAIN PWB Position No 500A Replace R LED Module Position No 409D No Yes Is the voltage between pin2 and pin3 of Refrigerator LED Module Housing Check the harness open or short No Yes Pin3 WH Pin2 BK Pin1 BL WH Pin14 CON4 CON4 ...

Page 58: ...2 BK Pin4 BL Voltage of Compressor Test Point Pin4 To Pin12 Result 115 V Voltage of F fan Test Point Pin2 To Pin3 Result 12 16 V No Yes Is the voltage between pins 2 and pin 3 of CON4 like as below Replace MAIN PWB Position No 500A Yes No pin2 WH Pin3 BK Test Point Pin3 To Pin4 Result 1 4 V Feedback check Is the voltage between Pin 3 and pin 4 of CON4 like as below Replace MAIN PWB Position No 500...

Page 59: ... jumper wire Enter the TEST 2 MODE Does not cold air come out of the top of the main duct Check the Damper itself Yes No Checking Damper itself Is the resistance Values between 1 4 2 3 like as below Replace Damper Position No 120A No Yes 1 RD 3 BL 4 YL 2 WH Resistance of Damper Test Point 1 To 4 2 To 3 Result 373 456 Ω 373 456 Ω JUMP WIRE Cutting both jumpers affords a 2 temperature compensation T...

Page 60: ... 115 V No Yes Check the Fan operation by placing your hand in front of the vents to feel for any cold air flow Replace Fan Position No 404A Yes No Door Open Closed Fan Motor OFF ON Enter the TEST 2 MODE Does the cold air coming out of the top of the main duct Check the Damper itself No Yes Checking Damper itself Is the resistance Values between 1 4 2 3 like as below Replace Damper Position No 120A...

Page 61: ... Cutting of jumper wire JUMP WIRE Cutting both jumpers affords a 2 temperature compensation Temp Compensation 1 0 deg 1 0 deg JCR1 JCR2 Enter the TEST 3 MODE Is the voltage between Pins 4 and pin 12 of CON3 like as below Replace MAIN PWB Position No 500A Yes CON3 Pin12 BK Pin4 BL Voltage of Compressor Test Point Pin4 To Pin12 Result 0 2 V Yes ...

Page 62: ...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 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 TEST BUTTON NOTE ...

Page 63: ... there 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 Norma...

Page 64: ...e 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 Set a ohmmeter to The 2housing pin Measure the 2 pin connected to Sensor If the ohmmeter indicate 11k at room temperature Sensor is not a defect When check the ohm at other temperat...

Page 65: ...e resistance How to Measure Set a ohmmeter connect to The 2 housing pin Measure the 2 pin connected to Sheath Heater If the ohmmeter indicate VXV Watt R is good condition ex when watt 350w voltage 115v R 115X115 350 38 But the ohmmeter indicate infinitely great Sheath heater is disconnection Standard Sheath heater at all temperature Test Point 1 to 2 Ressult 34 42Ω 1 2 ...

Page 66: ... 66 1 2 4 3 6 7 8 5 7 3 Door Heater Assembly Function The heater is designed to prevent the raising dew from door How to Measure Standard Test Point 1 to 2 Ressult 2 3 2 9 kΩ ...

Page 67: ... and off moving plunger of door switch up and down How to Measure Switch Freezer Switch Refrigerator 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 Standard Beep Beep Multimeter beep Switch F R Nomal Beep or 0Ω Push the button Plunger None Ω Button Plunger 1 2 3 4 3 4 2 1 1 2 ...

Page 68: ...noid Function Dispenser solenoid When customer push the dispenser button Pull duct door and abstract from ice bank How to Measure Standard Dispenser Solenoid Dispenser Solenoid Test Points 1 to 2 Result 44 54Ω 1 2 ...

Page 69: ...lenoid Standard Geared Motor Test Points 1 to 2 Result 2 38 4 02Ω Cube Solenoid Test Points 3 to 4 Result 32 40Ω Take out the male housing from female housing Measure the resistance between 1 and 2 Check the resistance between connectors Geared 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 i...

Page 70: ...mperature will rise How to Measure Damper Circuit extension Check the Standard Damper Test Points Red and Yellow Result 373 456Ω Test Points Blue and White Result 373 456Ω 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 1 Blue 1 Blue 2 Red 3 White 3 White 1 3 Check the 2 4 Chec...

Page 71: ...ter from city water to water filter in refrigerator second Water Valve in door supply the water from water filter to icemaker and dispenser How to Measure Standard First water valve in machine room second water valve in door Dispense Ice Maker Test Points 1 to 2 Result 360 420Ω ...

Page 72: ... 72 7 9 Main PWB Assembly EBR41956404 CON6 CON5 CON4 CON9 CON1 CON2 CON3 ...

Page 73: ... 73 7 10 Display and Dispenser Drive PWB Assembly Top Display PWB CON01 Dispenser Display PWB CON106 CON104 CON105 CON103 CON101 CON102 Dispenser PWB CON1 CON3 CON2 ...

Page 74: ... 1 617A 625A 616D 616G 623B 616J 616G 623B 616J 603C 616D 627B 627A 619A 603B 619E 616F S31 S32 VALVE WATER TUBE PARTS ...

Page 75: ... B02 249C B02 S14 S12 S12 145B 610A 271D 406D 207C 271B 402A S03 207A 262H 106A 302B 400A 316B 408A 607A 402A 207B S01 103B 103A S01 S02 501F S02 410G 500A 411A 105A 318A 317A 303A 304A 303C 303B 300A 314A 312A 315B 315C B04 312C 106A 315B 315C 315A 407B 405F 404A 405C 405B 329A 103C S17 310B 316A 610D 329C 309B 420A 323B S20 249D 250F 406B 503F 409E 158B 332C 610C 407A S16 320A ...

Page 76: ... 3 CASE PARTS ...

Page 77: ... 4 CASE PARTS ...

Page 78: ... 5 FREEZER PARTS CAUTION Use the part number to order part not the position number 250C 145C 250D 145G 145J 145K 250E 136B 131A 250D 250C 145F 145M 145J 145H 136A 237C ...

Page 79: ...GERATOR PARTS CAUTION Use the part number to order part not the position number 145E 141A 141B 141A 141A 141B 141C 141D 161C 161B 151A 146E 162B 145D 162A 161A 151B 154A 142A 142B 142D 140A 141C 141B 141A 141C ...

Page 80: ...5 244A 615A 619B 603B 603C 603C 616H 321B 205C 250A 205A 205B 250B 249Q 249F 281F S34 281D 281G 249R 250B 249E 249G 249P 281G 281E S34 281F B06 212D B06 201A 203A 249H 244A 243B S25 243A 262C 243C 241F 155A 241D 241D 234A 233D 234C 233A 231A 212G B05 241A 241C 241B 241H 241J 241G B05 B05 B05 200A 230A 230B Only for the service ...

Page 81: ... 8 DOOR PARTS ...

Page 82: ... 9 DISPENSER PARTS 275C 405A 276B 275A 276A 275B 280F 407C 303F 303E 407D 402C 280E 280D 333A 616K 621A 412D 412C 412A 412B 280C 500B 279C 238D ...

Page 83: ... 10 ICE MAKER ICE BANK PARTS 612A 600B 630J 600A 606A 614A 611A 630C 630E 630D 630L 630N 630G 630H 630M 630K 630A 630B 630F ...

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