Kenmore 795.583*.410 Service Manual Download Page 57

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9-2. Troubleshooting With Error Display

Symptom

Check Point

1. Er FS

1. Check for a loose connection

2. Check Sensor Resistance

Resistance [Ω]

CON8

pin ~ 11

Short

Open

OFF

Other

Normal

2-1 Freezer Sensor Error (Er FS)

CON8

pin ~ 11

Resistance [Ω]

-22ºF / -30ºC

40k

-13ºF / -25ºC

30k

-4ºF / -20ºC

23k

5ºF / -15ºC

17k

14ºF / -10ºC

13k

23ºF / -5ºC

10k

32ºF / 0ºC

CON8

Summary of Contents for 795.583*.410

Page 1: ...nds Management Corporation Hoffman Estates IL 60179 U S A www sears com MFL62078253 Printed in Mexico Sears Canada Inc Toronto Ontario Canada M5B 2B8 www sears ca www kenmore com CAUTION BEFORE SERVICING THE PRODUCT READ THE SAFETY PRECAUTION IN THIS MANUAL 795 5183 410 ...

Page 2: ...ION 6 3 HOW TO INSTALL THE REFRIGERATOR 7 4 HOW TO DISASSEMBLY AND ASSEMBLE 10 5 MICOM FUNCTION 23 6 ICEMAKER AND DISPENSER OPERATION AND REPAIR 31 7 CIRCUIT DIAGRAM 33 8 TROUBLEDIAGNOSIS 34 9 PCB 56 113 10 TROUBLESHOOTING COMPRESSOR 11 COMPONENT TESTING INFORMATION 125 ...

Page 3: ...touch metal products in the freezer with wet hands This may cause frost bite 6 Prevent water from spiling on to electric elements or the machine parts 7 Before tilting the refrigerator remove all materials from on or in the refrigerator 8 When servicing the evaporator wear gloves to prevent injuries from the sharp evaporator fins 9 Service on the refrigerator should be performed by a qualified tec...

Page 4: ...rpretation of this information nor can it assume any liability in connection with its use Freezer temperature control Middle setting 6 F to 8 F Defrost Control DefrostThermostat Electrical Rating 115VAC 60Hz Maximum Current Leakage Maximum Ground Path Resistance Energy Consumption Automatic 41 F 5 C 1 7A 0 5mA 0 1Ohms 26 09cu ft 715kWh yr And ambient of 70 F 90 F Fresh Food F 33 F to 41 F 33 F to ...

Page 5: ...ITIONS 1 7 REPLACEMENT PARTS 1 8 AIR FLOW 6750CL0001D EBD61246710 5300JB1114Z EAU62064601 TCA35911903 ADL74760901 ACG73064501 5851JA2008X 4681JB1029V EBR79329404 EBR78931604 Overload Defrost Thermostat Defrost Heater Evaporator Fan Compressor Hi Side Evaporator Lo Side Condenser Dryer Condenser Fan Temperature Control Main Control Capacitor Running compressor EAE32501017 5 ...

Page 6: ...hased may have some or all of the items listed below The locations of the features shown below may not match your model B C D A E G K J H I F Automatic Icemaker Freezer Light LED Freezer Shelves Freezer Door Bins Freezer Drawers Refrigerator Light LED Water Filter Refrigerator Shelves Door In Door Refrigerator Drawers Refrigerator Door Bins A B C D D E J F G K I H 6 ...

Page 7: ...and check to make sure that they close easily If the doors do not close easily tilt the refrigerator slightly more to the rear by turning both leveling legs counterclockwise It may take several more turns and you should turn both leveling legs the same amount If the doors are still uneven after the refrigerator has been leveled finish adjusting the doors by following the instructions below DOORALI...

Page 8: ...llon amount continuously Depress and release the dispenser pad for cycles of 30 seconds ON and 60 seconds OFF NOTE To purchase a replacement water filter visit a Sears store or call 1 800 4 MY HOME You may also order on line at www sears com partsdirect 1 Remove the old water filter 2 Replace with a new water filter 3 REFRIGERATOR FREEZER SHELVES The shelves in your refrigerator and freezer are ad...

Page 9: ...ter leakage The water tank is not a removable part If you need to remove the ice storage bin do so as follows 4 ICEMAKER ICE STORAGE BIN NOTE Use both hands to remove the ice bin to avoid dropping it Hold the ice storage bin as shown in the figure pull it out while slightly lifting it The ice bin stores the ice cubes made by the ice maker Tank Crisper compartment 9 ...

Page 10: ...im the part away Disconnecting the tube under the door causes about 0 13 gallons 0 5 liters water to flow out Put a large container at end of tube to prevent water from draining onto the floor CAUTION NOTE Removing the left freezer door with water line connection Pull up the water feed tube while pressing area 1 Open the door Remove the top hinge cover screw 1 2 Use a flat blade screwdriver to pry...

Page 11: ...screw 4 and connect all the wire harnesses 3 4 Hook tab on door switch side of cover 2 under edge of wire opening in cabinet top Position cover into place Insert and tighten cover screw 1 1 Feed the water tubes through the lower hinge pin and place the door onto the lower hinge pin 5 Reconnect the water tubes by inserting the tubes into NOTE Regardless of hinge lever type removal process is the sa...

Page 12: ...er to release the 1 hook of the cover LED under the direction CAUTION When removing the cover LED hook will broke So change new Cover LED always when service LED both inner Refrigerator and Freezer 2 Using a flat blade screwdriver to release LED Module from the case LED as shown in the pictures 3 Disconnect the wire LED and remove it NOTE To reinstall the LED repeat the same steps but in the oppos...

Page 13: ...rrectly placed 3 Connect the wire harness 4 Place the top hinge cover 5 Using a phillips screwdriver insert a screw in the top hinge cover 1 Open the refrigerator door Then remove the top hinge cover screw 2 Lift up the cover 3 Disconnect the wire harnesses 4 Release the smart diagnosis from the locks 5 Finally remove the smart diagnostic 13 ...

Page 14: ... pull forward and disconnect housing A and B 5 Check for foam sticking conditions around a shroud upper freezer and lower freezer during assembling If damaged torn or badly stuck assemble with a new one afer sealing well Shroud F U Housing B Housing A Grille Fan U Motor Fan Evaporator 4 REED S W Remove screw Disassemble Housing Check Resistance of Reed S W if it is NG change it Number3 Assemble Re...

Page 15: ...pin 09 10 at CON6 and pin 11 12 at CON8 Refrigerator and Freezer Check the Reed S W resistance No Magnet Magnet Near the Switch Magnet must be center of Switch Resistance Service Action Magnet Center Switch Center O Good position Bad position X Magnet Center Switch Center Status Result SVC Action Close 5V Other Go to the 4 Change the PCB Status Resistance Result SVC Action Ω OK Go to 3 10Ω NG Go t...

Page 16: ...ater to purge water system Then turn off power from refrigerator Open the F Door 2 Place a container on the floor and get ready to pour water from the water tubes Then press the collet to separate the tube from the connector and pour out the water until emptied Refer to the label attached on Front L on how to separate the tube 3 Lock the water being supplied Then separate the Water connection conn...

Page 17: ...er filter tube Out to the Water valve ⓑ ⓐ ⓑ ⓓ ⓒ 3 Connect the Ice maker tube to the Water valve ⓒ 4 Connect the Water Tank tube to the Water valve ⓓ Water valve 4 Insert Clip on the valve 4EA Note For a successful connection Insert the tubes to the water valve until you can see only a line Tubes Water valve 17 ...

Page 18: ...ove guide fan screw using a screwdriver 3 Pushing guide fan hook using a flat head screwdriver and then pushing guide fan in direction of the arrow 4 Separate the housing 5 Remove guide fan from tray drip and then remove cover motor screws using a screwdriver 6 take out fan motor 18 ...

Page 19: ...ed by the hooking part When you cannot pull out the fresh compartment any more lift it up slightly to pull it out completely to the front side outer side 2 Hold the front of the Cover TV and Pull it out completely 3 Loosen 1 Screw on the Water Tank 4 Pull the water supply tube 1 is under the Freezer door and 2 is on the water valve 1 Hold the front of the Drawer and Pull it out completely Under th...

Page 20: ...cting screws are loosened with a phillips driver 5 To install the duct cap assembly insert one end of the spring into the right hole of the dispenser lever and insert the other end into the right hole in the top part of the dispenser Then attach the holder at the solenoid switch 1 Remove the display pulling out with tools such as Flat tip screwdriver on one side and repeat the process on the other...

Page 21: ...ER DISPLAY 3 DECO DISPLAY 4 PCB ASSEMBLY DISPLAY 5 FRAME FUNNEL ASSEMBLY 6 SWITCH 7 FRAME FUNNEL 8 LEVER DISPENSER BUTTON 9 FUNNEL 10 BUTTON LEVER 11 MOTOR ASSEMBLY 12 SPRING 13 HOLDER LEVEL 14 CAP DUCT 15 DISPENSER LEVER CAP DUCT 16 RUBBER CAP 9 10 7 5 6 12 8 15 14 16 21 ...

Page 22: ...nge But be careful not to drop the home bar as it is heavy 3 Hold the home bar with 2 hands and separate the home bar by lifting it up from the door 1 Separate the H Bar Gasket adjacent to the Holder Lever and then unscrew three screws 2 Hold the Holder Lever and then pull left firmly to separate the Cover Front It is able to separate the Holder Lever if two screws placed on the back of the separa...

Page 23: ...re adjustment button for Freezer section Dispensing selection button Cubed Ice Crushed Ice Water Temperature adjustment button for Refrigerator section Ice maker on off button ULTRA ICE function selection button Dispenser light button B C A F E D B G G F E D C A Key lock button 23 ...

Page 24: ...can be changed from F to C or C to F by pressing and holding the FREEZER TEMP and the REFRIGERATOR TEMP keys at the same time for over 5 seconds 1 Any Door must be opened to enter in this mode 2 To activate this mode press and hold ULTRA ICE and REFRIGERATOR TEMP button over 5 seconds 3 The display will show the word OFF 4 In this mode all loads are turned off Compressor Heater Fans etc 5 Lamps an...

Page 25: ...e six months 3 Initial filter icon condition is OFF 4 After six months of use change filter icon LED will be turned ON 5 Once filter cartridge has been replaced press and hold CHANGE FILTER button for more than 3 seconds 6 Icon LED will be turned OFF by a 6 months period 1 Function is repeat Ice Maker ULTRA ICE icon whenever press and hold this button for 3 seconds 2 ULTRA ICE function automatical...

Page 26: ...e speed MICOM variably controls he freezer fan motor at the high RPM speed and standard RPM 2 MICOM only operates in the input of initial power ULTRA ICE First cylce after defrosting Test mode 1 for the high RPM speed and operates in the standard RPM and low RPM in other general operation 3 If opening doors of freezing cold storage room while fan motor in the freezing room operates the freezing ro...

Page 27: ...built in product Built in components such as the compressor defrost removal heater freezer compartment fan Cooling Fan and step motor damper are sequentially operated as follows to prevent noise and part damage from occurring during testing procedure Function Load Operation Sequence Remark It si a load movement sequence in case of the F R room closed If error occurs during operation initial operat...

Page 28: ...onnection of Room Temp Sensor 7 Icing Sensor Error Er lS Short or Disconnection of the sensor about Icemaker Icing Sensor Icemaker sensor 8 Poor Defronsting F dH Even though it is passed 1 hour since then Defrosting if defrosting sensor is not over 41 F 5 C it is caused Temperature Fuse Disconnection Heater disconnection DRAIN Jam Poor Relay for Heater 9 Abnormality of BLDC FAN Motor for Freezer E...

Page 29: ...pulsory frost removal mode Defrosting Sensor 5 C Defrosting Heater ON Defrostin Sensor 5 C Return to the original status COMP is operated after 3 minutes 1 19 Filter cartridge status reset button 1 While the Freezer Door is opened Dispenser function can not be used 2 There are one dispenser pad 3 You can select 3 options to be dispensed Cubed ice crushed ice water 4 Push the dispensing pad and the...

Page 30: ...e compensation value Remarks JCR3 JCR4 JCR1 JCR2 at refrigerator 0 C In shipment from factory CUT 1 C 1 8 F CUT 1 C 1 8 F CUT 1 C 1 8 F CUT 1 C 1 8 F CUT CUT 2 C 3 6 F CUT CUT 2 C 3 6 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT 0 C 0 F CUT CUT CUT 1 C 1 8 F CUT CUT CUT 1 C 1 8 F CUT CUT CUT CUT 0 C 0 F T emperature compensation in CUT JCR1 1 C 1 8 F 2 C 3 6 F JCR2 1 C 1 8 F JCR3 1 C ...

Page 31: ...ng the SOLENOID in ICE VALVE With the detect lever checks if the ICE BIN is full To operate LINE and SERVICE press and hold the Test Button for 3 seconds The icemaker will run through 3 stages Start Position with power on Ice Making Mode Harvest Fill Icemaking ICE MAKING STATUS INDICATOR Shows Ice making status While the indicator lights on Icemaker stops making ice Press and hold the ICE ON OFF b...

Page 32: ...us problem 2 This is a forced operation for TEST Service cleaning etc It is operated by pressing and holding the Test Button for 3 seconds 3 The test works only in the Icemaking Mode This test works when the ejector and stainless lever is at the their original position It cannot be entered from the Harvest or Fill mode 4 After water is supplied the mormally CYCLE is followed Icemaking Checking ful...

Page 33: ...7 CIRCUIT DIAGRAM 33 ...

Page 34: ...ction between plug and adapter faulty plug The distance between pins Pin outer diameter No power on power cord PTC is off No electric power on compressor Faulty compressor Faulty OLP Disconnected copper wire Internal electrical short Faulty terminal contact Disconnected Capacity of PTC is small Characteristics of PTC is wrong Bad connection Weak connection Short inserted cord length Worn out tool ...

Page 35: ...igeration oil Caps are missed Air blowing During transportation During work Not performed Performed Too short time Low air pressure Less dry air Air Blowing Leave it in the air Caps are missed Short pipe insert Pipe gaps T oo much solder T oo large Damaged pipes Not dried in the compressor Elapsed more than 6 months after drying Caps are missed No pressure when it is open During rest time After wo...

Page 36: ...ration Cap drain is not disconnected Inject through the hole Seal with drain Adiabatics lump input Damage by a screw or clamp Other foreign materials input Parts disconnected Wire is cut Lead wire Heating wire Contact point between heating and electric wire Heating wire is corroded Water penetration Bad terminal connection Check visually Check terminal Conduction OK No conduction NG If wire is not...

Page 37: ...ructural fault Gasket gap Air inflow through the fan motor Bad insulation of case door Sheath Heater rated Gap Bad attachment Contraction Bad adhesion Weak binding force at hinge Fan motor Door switch Self locked Wire is cut Bad terminal contact Contact distance Button pressure Melted contact Contact Poor door attachment Door liner dimension Contraction inner liner Misalignment Bad terminal connec...

Page 38: ...als on rotating parts Fan shroud contact Clearance Damping evaporator contact Accumulated residual frost Fan misuse Bad shape Loose connection Not tightly connected Insert depth Rating misuse Small capacity Low valtage Malfunction of charging cylinder Wrong setting of refrigerant Insufficient compressor Faulty compressor Fan overload Fan misuse Bad low termperature RPM characteristics Rated power ...

Page 39: ...ty contact Faulty temperature characteristics External air inflow Bushing installed incorrectly Door opens but not closes Gap around gasket Contraction distortion loose door twisted corner not fully inserted Food vapor Storing hot food Unsealed food Door opens but not closes Gasket gap Cool air leak and transmitted High ambient temperature Space is secluded Different rating Small capacity Store ho...

Page 40: ... 1 Compressor compartment operating sounds Compressor sound Sound from machine itself inserted Sound from vibration Restrainer Bushing T oo hard seat Distorted Aged Burnt Stopper Bad Stopper Not fit assembly inner diameter of stopper Tilted Not Compressor base not connected Bad welding compressor stand fallen Foreign materials in the compressor compartment COMBO sound Chattering sound Insulation p...

Page 41: ...t screw connection Bad assembly Distortion Foreign materials inside Bad connection Partly damaged Not connected Bad pipe caulking Normal operating sound Vibration sound Aged rubber seat Bad torque for assembling motor bracket Fan guide contact Shroud burr contact Damping evaporator contact Residual frost contact Unbalance Ice on the fan Air intake opposite to motor bushing assembly Supporter disor...

Page 42: ... reversed Travlel distance Bad connection Bad terminal contact Adiabatics liquid leak 1 Lead wire is damaged Wire damage when assembling Bracket Cover Outlet burr in the bottom plate Pressed by sheat heater lead wire evaporator pipe 2 Exposed terminal Compressor Compartment terminal T ouching other components Freezer compartment terminal T ouching evaporator pipe 3 Faulty parts Transformer Coil co...

Page 43: ...ment is opened when freezer compartment is closed faulty stopper High Faulty damper control Button is set at weak Door is open interference by food No deodorizer Poor capacity Seal condition Storage of fragrant foods Long term storage Odors from cleaners or items which shroud not be stored in a refrigerator Bigger door foam Hinge Pin tilted Poor flatness No washer No grease Stopper worn out Bad fr...

Page 44: ...use with tester Find and remove the cause of Replace with ra ted Low voltage products are or visually problem ex short high voltage fuse after confirming connected to high voltage Check the input volt are with tester low voltage its specification Short circuit by insects between power cord and products Replace with rated fuse Electricity leakage Check the resistance of power cord If fuse blowns ou...

Page 45: ...operation Confirm icing causes and repair switch operation Press button to check Replace door switch Faulty button pressure and contact Press button to check operation Door cannot press door switch Door sag fix door button Check visually Door liner bent replace door or attach sheets Bad radiation conditions in Check the clearance between the Keep clearance between The fan may be compressor compart...

Page 46: ...de 3 Check silver soldered parts Cu Fe Fe Fe 4 Check bending area of wire condenser pipe in compressor compartment cracks can happen during bending 5 Check other parts compressor compartment and evaporators in freezer compartment Shortage of refrigerant Check frost formation on the surface Find out the leaking area repair Drier must be replaced of evaporator in the freezer evacuate and recharge th...

Page 47: ... warm OK joints might be clogged If it is not condenser outlet weld Disconnect with torch remove the joints might be colgged causes evacuate and recharge seal refrigerant Leak at loop pipe weld joint Check sequence Replace the compressor weld Drier must be replaced discharge in compressor 1 Manually check whether evacuate and recharge refrigerant condenser is warm It is not warm and the frost form...

Page 48: ...tacts 0 Short Cut is cut Tens to thousands Short Suction tube and discharge orifice 1 Confirm foreign materials In case 1 Push out impurities by inserting 1 Impurities of ice insert the copper line copper wire Turn off more than 2 Ice through the hole to check 3 hours and pour in hot water if 2 Put hot water into the drain frost is severe check drains outside 2 Put in hot water to melt down frost ...

Page 49: ...oft copper wire into the duct soft and thin copper not to impair heating wire Bad cool air inflow and discharge 1 Turn on power open or close the 1 Check the faulty connector of and bad defrosting due to faulty door check that motor fan housing and reassemble wrongly contact and insertion bad connector operates If it operates motor fan assembled parts insertion into housing of heater is OK 2 If th...

Page 50: ...eplacement should compartment Check door assembly conditions conditions and replace it be done when it Faulty gasket Door assembly and replacement cannot be repaired Faulty assembly 3 Overcooling in the refrigerator Check refrigerator compartment Replace faulty parts compartment is overcooled when button Faulty damper in the refrigerator pressed on weak compartment Check parts are faulty Faulty MI...

Page 51: ...Check gasket attachment Correct the gasket attachement Replace when it can n ot Icing in the Faulty gasket conditions conditions and replace it be repaired shute Faulty assembly Check door assembly conditions Door assembly and replacement 3 Over freezing in the freezer Refrigerator operates pull down Replace defective parts compartment Check if it is operated Faulty MICOM intermittently The Temper...

Page 52: ...place defective fan and fan conditions in pipes motor 2 3 Touch pipes with hands or screw 6 Adjust fan to be in the center of driver check the change of the fan guide sound 7 Leave a clearance between interfering parts and seal gaps in 3 Fan operation sound in the freezer 3 1 Check fan insertion depth and the structures compartment blade damage 8 Reassemble the parts which make 3 2 Check the inter...

Page 53: ...ing 4 Moving wheel vibration 2 2 Check capillary tube touches and restrainer if it is severe 5 Other structure and parts cover back especially compressor and pipe vibration 3 1 Check compressor stopper 4 Replace compressor stopper if it Vibration vibrates severely 4 1 Check vibration of front and rear moving wheels 5 1 Touch other structures and parts Irregular sound 1 It is caused by heat expansi...

Page 54: ...ciples of freezing cycles Water boiling or It happens when refrigerant passes Check the sound when compressor is Explain the principles of freezing cycles flowing sound orifice in accumulator internal pipes by turned on and refrigerant flowing phenomenon by the pressure difference between Check the sound when compressor is internal pressure difference condenser and evaporator turned off If sound i...

Page 55: ...th plastic wrap Clean the refrigerator and set Chedk food cleanliness button at strong Plastic Odor Odors of mixed food and plastic Check wet food is wrapped with Clean the refrigerator odors plastic bowl and bag Persuade customers not to use It happens in the new refrigerator plastic bag or wraps with wet food or odorous foods Odor from the Odor from the old deodorizer Check the deodorizer odors ...

Page 56: ...9 MAIN PCB P N EBR789316 9 1 Main PCB CON3 CON9 CON6 CON201 CON1 CON7 CON8 CON5 P N EBR793294 9 2 Display PCB CON101 56 ...

Page 57: ... a loose connection 2 Check Sensor Resistance Resistance Ω CON8 10th pin 11th pin Short 0 Open OFF Other Normal 2 1 Freezer Sensor Error Er FS CON8 10th pin 11th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 5ºF 15ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k CON8 57 ...

Page 58: ...o Change the Sensor 3 Check the Sensor resistance Is resistance OFF Sensor open Yes No Replace the refrigerator 4 Check the Sensor resistance Is resistance normal Yes 5 Check the Temperature and resistance refer to the table No problem Yes CON8 10th pin 11th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 5ºF 15ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k 6 Explain to customer CON8 CON8...

Page 59: ... connection 2 Check Sensor Resistance Resistance Ω CON6 5th pin 6th pin Short 0 Open OFF Other Normal 2 2 Refrigerator Sensor Error Er rS CON6 5th pin 6th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON6 59 ...

Page 60: ...nsor short Yes No Change the Sensor 3 Check the Sensor resistance Is resistance OFF Sensor open Yes No Replace the refrigerator 4 Check the Sensor resistance Is resistance normal Yes 5 Check the Temperature and resistance refer to the table No problem Yes 6 Explain to customer CON6 5th pin 6th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON6 CON6 60 ...

Page 61: ... connection 2 Check Sensor Resistance Resistance Ω CON6 7th pin 8th pin Short 0 Open OFF Other Normal 2 2 Refrigerator Sensor Error Er r2 CON6 7th pin 8th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON6 61 ...

Page 62: ...l Yes 5 Check the Temperature and resistance refer to the table No problem Yes 6 Explain to customer CON6 7th pin 8th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k 2 Check the Sensor resistance Is resistance 0Ω Sensor short Yes No Change the Sensor 3 Check the Sensor resistance Is resistance OFF Sensor open Yes No Replace the refrigerator CON6 CON6 62 ...

Page 63: ... Point 1 Er RT 1 Check for a loose connection 2 Check Sensor Resistance Resistance Ω CON7 11th pin 12th pin Short 0 Open OFF Other Normal CON7 11th pin 12th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON7 63 ...

Page 64: ...pin 12th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k 1 Reconnect or repair the connector Is the Connector disconnected or loose between Main PCB and sensor Yes No 2 Check the Sensor resistance Is resistance 0Ω Sensor short Yes No Change the Sensor 3 Check the Sensor resistance Is resistance OFF Sensor open Yes No Replace the refrigerator CON7 CON7 64 ...

Page 65: ...k Sensor Resistance Resistance Ω CON9 1st pin 8thpin Short 0 Open OFF Other Normal 2 3 Icing Sensor Error Er IS CON9 1st pin 8thpin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 13ºF 25ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k CON9 Ice Maker Connector 65 ...

Page 66: ...ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 13ºF 25ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k 1 Reconnect or repair the connector Is the Connector disconnected or loose between Main PCB and sensor Yes No 2 Check the Sensor resistance Is resistance 0Ω Sensor short Yes No Change the Sensor 3 Check the Sensor resistance Is resistance OFF Sensor open Yes No Replace the refrigerator CON9 CON9 Ice Maker C...

Page 67: ...e connection 2 Check Sensor Resistance Resistance Ω CON8 12th pin 13th pin Short 0 Open OFF Other Normal 2 4 Defrost Sensor Error F dS CON8 12th pin 13th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON8 67 ...

Page 68: ...13th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k 1 Reconnect or repair the connector Is the Connector disconnected or loose between Main PCB and sensor Yes No 2 Check the Sensor resistance Is resistance 0Ω Sensor short Yes No Change the Sensor 3 Check the Sensor resistance Is resistance OFF Sensor open Yes No Replace the refrigerator CON8 CON8 68 ...

Page 69: ... the Defrost control part 3 Check the PCB output voltage Part Resistance Ω FUSE M 0 Defrost Heater 48 54 Defrost Sensor 22k 2 6 Defrost Heater Error F dH TEST MODE 2 Voltage V CON3 5nd pin 6th pin 112V 116V TEST MODE 1 Voltage V CON3 5nd pin 6th pin 0V CON3 69 ...

Page 70: ...nce 48 54Ω No Yes Change Fuse M 4 Check the Heater Voltage Is voltage 112 116V Yes 3 Check the Defrost control part Is Defrost Sensor resistance 22kΩ or OFF OFF 22kΩ Replace product Input Test 2 Mode Push the button 2 times Replace Main PCB NO TEST MODE 2 Voltage V CON3 5nd pin 6th pin 112V 116V 5 Check the Heater Voltage Is voltage 0V Yes Input Test 1 Mode Push the button 1 times Replace Main PCB...

Page 71: ...int 1 Er FF 1 Check the air flow 2 Check the Fan Motor 2 Check the PCB Fan motor voltage 2 7 Freezer Fan Error Er FF TEST MODE 1 Voltage V CON8 18th pin 20th pin 8 14V CON8 18th pin 22th pin Not 0V 5V Fan Motor CON8 71 ...

Page 72: ...Is Fan Motor voltage 8 14V Yes 3 Check the Fan motor Rotate fan using hand It feel sticky Yes Change the Fan motor Replace Main PCB No Reset the unit and Input Test1 Mode Push the button 1 time Go to 4 Fan Motor TEST MODE 1 Voltage V CON8 18thpin 20th pin 8 14V 5 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V No Change the motor Yes 6 Explain to customer CON8 CON8 72 ...

Page 73: ...nt 1 Er CF 1 Check the air flow 2 Check the Connector 2 Check the PCB Fan motor voltage 2 9 Condenser Fan Error Er CF TEST MODE 1 Voltage V CON8 15th pin 14th pin 8 14V CON8 15nd pin 16th pin Not 0V 5V Fan Motor CON8 73 ...

Page 74: ...it and Input Test1 Mode Push the button 1 time Go to 4 Fan Motor Fan Motor TEST MODE 1 Voltage V CON8 15nd pin 16th pin Not 0V 5V Check the Fan Motor voltage Is Fan Motor voltage 8 14V Yes Replace Main PCB No TEST MODE 1 Voltage V CON8 15th pin 14th pin 8 14V No Change the motor Yes 6 Explain to customer CON8 CON8 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V 4 5 74 ...

Page 75: ...tion 2 Check the Hinge connection 2 10 Communication Error Er CO Voltage V CON101 3rd pin 4th pin 12V CON101 3rd pin 1st pin Not 0V 5V CON101 3rd pin 2nd pin Not 0V 5V CON7 9th pin 8th pin Not 0V 5V CON7 9th pin 10th pin Not 0V 5V Display CON7 CON101 75 ...

Page 76: ...V or 5V Yes No Housing Voltage V CON101 3rd pin 2nd pin Not 0V 5V Change the Main PCB 4 Check the voltage Is CON101 3rd pin 1st pin voltage 0V or 5V Yes No Housing Voltage V CON101 3rd pin 1st pin Not 0V 5V Change the Display PCB 5 Check the voltage Is CON7 9th pin 10th pin voltage 0V or 5V Yes No Housing Voltage V CON7 9th pin 10th pin Not 0V 5V Change the Main PCB 6 Check the voltage Is CON7 9th...

Page 77: ...ymptom Check Point 1 Er It 1 Check for a loose connection 2 Check Sensor Resistance 2 11 Ice Maker Motor Error Er lt CON9 Housing Resistance Ω CON9 3rd pin 4th pin 374 456 CON9 5th pin 6th pin 374 456 77 ...

Page 78: ... of Main PCB And check resistance between Pink and blue wires Is Motor resistance 374 456Ω No Change the ICE Maker Unit CON9 Is the Connector disconnected or loose between Main PCB and ICE Maker Reconnect or repair the connector No Yes Disconnect housing of Main PCB And check resistance between Purple and yellow wires Is Motor resistance 374 456Ω No Change the ICE Maker Unit Yes Change the Main PC...

Page 79: ...oubleshooting Without Error Display Symptom Check Point 1 Cube mode doesn t work 1 Check the loose connection 2 Check the resistance 3 1 Cube mode doesn t work Auger Motor Dispenser SW Ice Maker Duct Motor 79 ...

Page 80: ... ICE Lever SW CON7 19th pin 20th pin Pushing 0 2V Not Pushing 3 5 5V Duct Motor CON7 22th pin 24th pin Pushing 9 12V Not Pushing 0 2V Auger Motor CON3 2nd pin 8th pin Pushing 112 115V Not Pushing 0 2V Motor Type Resistance Ω Auger Motor 33 37 Duct Motor 9 9 12 1 80 ...

Page 81: ...e 9 9 12 1Ω No Yes Replace Geared Motor Resistance Ω Dispenser Motor 9 9 12 1 Dispenser Motor CON7 INSPECTION POINT LEVER S W RESULT ICE Lever SW CON7 19th pin 20th pin Pushing 0 2V Not Pushing 3 5 5V 5 Check the voltage while pushing the lever S W Is voltage correct compared with table No Yes Change the PCB CON3 INSPECTION POINT LEVER S W RESULT Auger Motor CON3 2nd pin 8th pin Pushing 112 115V N...

Page 82: ...Symptom Check Point 1 Crush mode doesn t work 1 Check the loose connection 2 Check the resistance 3 2 Crush mode doesn t work Auger Motor Dispenser SW Ice Maker Duct Motor 82 ...

Page 83: ... 20th pin Pushing 0 2V Not Pushing 3 5 5V Duct Motor CON7 22th pin 24th pin Pushing 9 12V Not Pushing 0 2V Auger Motor CON3 2nd pin 7th pin Pushing 112 115V Not Pushing 0 2V Motor Type Resistance Ω Auger Motor 23 27 Duct Motor 9 9 12 1 3 2 Crush mode doesn t work 83 ...

Page 84: ...esistance 23 27Ω No Yes Replace Geared Motor Geared Motor Resistance Ω Black White Harness 23 27 6 Explain to customer 2 Check the voltage while pushing the lever S W Is voltage correct compared with table No Yes 1 Check the loose connection 3 Check the voltage Is Duct Motor voltage correct compared with table No Yes Duct Motor Voltage V Duct Motor CON7 22th pin 24th pin Pushing 9 12V Not Pushing ...

Page 85: ...450 Water valve 330 390 CON3 1 2 3 4 Pilot Valve Machine Room Water Valve INSPECTION POINT Water LEVER S W Result Water Lever SW CON7 17th pin 18th pin Pushing 0 2V Not Pushing 3 5 5V Pilot Valve CON3 2nd pin 11th pin Pushing 112 115V Not Pushing 0 2V Water valve CON3 2nd pin 10th pin Pushing 112 115V Not Pushing 0 2V Ground BL Water Valve RD Pilot Valve GY 85 ...

Page 86: ...er LEVER S W Result Pilot Valve CON3 2nd pin 11th pin Pushing 112 115V Not Pushing 0 2V Water valve CON3 2nd pin 10th pin Pushing 112 115V Not Pushing 0 2V Water mode doesn t work 2 Check the voltage while pushing the lever S W Is voltage correct compared with table No Yes 1 Check the loose connection 3 Check the voltage Is Valves voltage correct compared with table No Yes INSPECTION POINT LEVER S...

Page 87: ...icky 2 Check the door S W resistance 3 Check the LED Lamp 3 4 Refrigerator room led doesn t work Resistance Ω Door S W Open Infinity Closed 0 Door S W LED Lamp Voltage V Blue Black Closed 0 2V Open 12V R Led Lamp CON6 INSPECTION POINT DOOR Voltage V CON6 3rd pin 4th pin Close 0 2V Open 12V 87 ...

Page 88: ...resistance Is it correct compared with table No Yes Change the Door S W Door S W 3 Check the PCB Voltage Is CON6 3rd pin 4th pin voltage 12V No Yes Change the PCB 4 Check the LED Lamp voltage Is it 0 2V While door closed No Yes Change the Door S W 5 Check the LED Lamp voltage Is it 12V While door open No Yes Change the LED Lamp CON6 INSPECTION POINT DOOR Voltage V CON6 3rd pin 4th pin Close 0 2V O...

Page 89: ...sticky 2 Check the door S W resistance 3 Check the LED Lamp 3 5 Freezer room lamp doesn t work Door S W CON8 F Led Lamp LED Lamp Voltage V Blue Black Closed 0 2V Open 12V Resistance Ω Door S W Open Infinity Closed 0 INSPECTION POINT DOOR Voltage V CON8 4th pin 9th pin Close 0 2V Open 12V 89 ...

Page 90: ...oor S W 3 Check the PCB Voltage Is CON8 4th pin 9th pin voltage 12V No Yes Change the PCB CON8 6 Explain to customer 4 Check the LED Lamp voltage Is it 0 2V While door closed No Yes Change the Door S W 5 Check the LED Lamp voltage Is it 12V While door open No Yes Change the LED Lamp INSPECTION POINT DOOR Voltage V CON8 4th pin 9th pin Close 0 2V Open 12V Resistance Ω Door S W Normal Infinity Door ...

Page 91: ... motor voltage 3 6 Poor Over cooling in Fresh food section CON6 R1SNR 5th pin 6th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k Duct Status Air Flow Windy Air Temperature Cold R1Sensor Duct Fan Motor R Damper F Fan motor CON8 CON6 TEST MODE 1 Voltage V CON8 18th pin 20th pin 8 14V CON8 18th pin 22th pin Not 0V 5V 91 ...

Page 92: ...re Is it cold No Yes Check the Compressor and sealed system 5 Check the Fan Motor voltage Is Fan Motor voltage 8 14V Yes Replace Main PCB No 6 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V No Change the motor Yes Go to 7 CON6 R1SNR 5th pin 6th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON6 CON8 CON8 TEST MODE 1 Voltage V CON8 18th pin 22th p...

Page 93: ...heck the Fan motor voltage 3 7 Poor cooling in Freezer compartment Duct Duct Status Air Flow Windy Air Temperature Cold Fan Motor CON8 10th pin 11th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 5ºF 15ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k F fan motor F Sensor TEST MODE 1 Voltage V CON8 18th pin 20th pin 8 14V CON8 18th pin 22th pin Not 0V 5V CON8 93 ...

Page 94: ...ure Is it cold No Yes Check the Compressor and sealed system 5 Check the Fan motor Rotate fan using hand It feel sticky Yes Change the Fan motor Fan Motor No CON8 CON8 10th pin 11th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 5ºF 15ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k 2 Open the fresh food door and Check the air flow D amper No Yes Check the damper Go to 4 94 ...

Page 95: ... Fan Motor voltage 8 14V Yes Replace Main PCB No 7 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V No Change the motor Yes CON8 CON8 TEST MODE 1 Voltage V CON8 18th pin 22th pin Not 0V 5V TEST MODE 1 Voltage V CON8 18thpin 20th pin 8 14V 8 95 ...

Page 96: ...d discharge outlet 2 Check whether the C FAN is operating PS Check the voltage during C Fan operation About AC 10V AC 230V BLACK RED 3 Check the COMP connector voltage Measure without pulling the HOUSING When the COMP FAN are not operating simultaneously force operate from the MAIN PCB in TEST MODE to check whether it is operating and then check the power of the COMP end to reset the power 3 COMP ...

Page 97: ...1 replace the PCB 3 When the same symptom occurs again after taking action for 2 replace the COMP component 7 LED blinking 7 time repeatedly PCB part defect IPM 1 After resetting the power check normal operation 2 When the same symptom occurs again after taking action for 1 replace the PCB 8 LED blinking 8 time repeatedly Communication error 1 After resetting the power check normal operation 2 Whe...

Page 98: ...r to TEST MODE Display Response in TEST MODE 1 If refrigerator is in NORMAL MODE press twice TEST S W in Main PCB if you are in TEST MODE 1 press again Display Response in TEST MODE 2 To exit from TEST MODE 2 press TEST S W once Display Returns to Normal Operation Refrigerator must be cold to perform test mode 2 C F C F C F C F TEST 1 TEST 2 TEST MODE 1 TEST MODE 2 98 ...

Page 99: ...rd OFF 4 In this mode all loads are turned off Compressor Heater Fans etc 5 Lamps and Dispenser Functions works normally even in demonstration mode the refrigerator Lamp automatic off function works normally 6 To exit Demonstration mode open any door then press and hold Ice Maker ULTRA ICE and REFRIGERATOR TEMP button over 5seconds Display return to normal mode To enter to this mode in Elite 3 pre...

Page 100: ...to remove Terminal Position Assurance TPA After measure the values you should put in the TPA again 3 Wire Color BL Blue GN Green WH White SB Sky Blue BO Bright Orange GY Gray BK Black BL WH Blue White BN Brown WH RD White Red PR Purple YL BK Yellow Black RD Red 100 ...

Page 101: ...34 23 F 5 C 37 55 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C 68 F 20 C 77 F 25 C 30 00 24 13 19 53 15 91 13 03 10 74 86 F 30 C 95 F 35 C 104 F 40 C 8 90 7 41 6 20 Voltage 4 48 4 33 4 16 396 3 73 3 49 3 22 2 95 2 67 2 40 2 14 1 89 1 67 1 46 1 27 1 11 0 96 Temperature Chart 2 Apply for Refrigerator sensor 1 and 2 Defrost sensor and Ice maker sensor Temperature Resistance KÙ 40 F 40 C 225 10 31 F 35 C 22 ...

Page 102: ... while compressor operates electronic scales pinch off Weld carefully after pinching off the inlet pipe plier gas welding machine Check leak at weld joints Electronic Leak Detector Minute leak Use electronic leak detector Driver Ruler Big leak Check visually Note Do not use soapy water for check Check cooling capacity 1 Check radiator manually to see if warm 2 Check hot line pipe manually to see i...

Page 103: ...THE OIL FROM BEING FORCED OUT The use of piercing type valves will allow future servicing and eliminates the possibility of a defective pinch off 3 Replacement of drier 1 Be sure to replace drier with R134a only when repairing pipes and injecting refrigerant 4 Nitrogen blowing 1 Use pressurized nitrogen to prevent oxidation inside the piping welding Nitrogen pressure 0 1 0 2 kg cm 2 5 Others 1 Onl...

Page 104: ...blowing welding 3 Replacement of drier Inserting a capillary tube Measure distance with a ruler and put a mark on the capillary tube Insert tube to the mark and weld it KEY POINT Observe the sequence for removal of refrigerant If not compressor oil may leak KEY POINT Welding without nitrogen blowing produces oxidized scales inside a pipe which affect performance and reliability of a product KEY PO...

Page 105: ...measure the weight Calculate the weight of refrigerant charged into the charging canister by subtracting the weight of an evacuated charging canister KEY POINT If power is applied during vacuum degassing vacuum degassing shall be more effective Run the compressor while charging the system It is easier and works better KEY POINT Be sure to charge the refrigerant at around 25 C 77 F Be sure to keep ...

Page 106: ...he cover of the mechanical area Compressor Condenser Drier Hot Line Evaporator Charging Canister 1 Observe the safety precautions for gas handling 2 Use JIG or a wet towel in order to prevent electric wires from burning during welding In order to prevent insulation break and accident 3 The inner case will melt and the insulation will burn 4 The copper piping will oxidize 5 Do not allow aluminum an...

Page 107: ...er Brazing Copper Brazing Silver Brazing Pipe Assembly Hot Line Freezer Capi tube Drier assembly Pipe assembly suction Copper Brazing Pipe Assembly Joint Copper Brazing Copper Brazing Copper Brazing Pipe assembly joint Silver Brazing Wire Condenser Silver Brazing 107 ...

Page 108: ...he refrigerator compartment expand and contract as the temperature changes during the refrigerator operation This sound also happens during defrosting twice a day when the ice on the evaporator melts Clunksound Explain that it comes from the compressor when the refrigerator starts When the refrigerator operates the piston and motor in the compressor rotate at 3600 RPM This sound is caused by the v...

Page 109: ...wing also makes sound When water Noise from motor sounds Hiss freezes clicking sounds are heard When ice is being ejected sounds like Hiss produced by a motor to rotate an ice tray and ice dropping and hitting ice bin sounds are also heard Noise when supplying water Explain the principles of water supplied to dispenser When the water supply button in the dispenser is pressed the water supply valve...

Page 110: ...eam The freezing point of ice cream is below 15 C 5 F Therefore ice cream may melt if it is stored in the door rack Store ice cream in a cold place or set the temperature control button of a freezer at position strong Refrigeration is too strong Check the position of temperature control button Check if refrigeration is strong in whole area of the refrigerator or partly near the outlet of the cooli...

Page 111: ...g Frost in the freezer compartment Explain the basic principles of frost formation The main causes for frosting Door was left open Air penetration through the gasket T oo frequent door opening parties etc Hot foods are stored before they are cooled down The temperature of freezer is 19 C 2 2 F if temperature is set at MID If hot air comes into the refrigerator fine frost forms as cold air mixes wi...

Page 112: ...d at damp area door is compartment and the cover of frequently opened and wet foods are not stored in the air tight container or properly vegetable drawer wrapped Be sure to store wet foods in airtight containers or securely covered in plastic wrap You can connect the power immediately after installation However if the refrigerator was laid flat before or during installation you must stand it upri...

Page 113: ...oval There are two types of controllers used in the linear compressor system The A inverter system is used with the FLB075LANA compressor Name Plate Size 90mm X 20mm VVVF Variable Voltage Variable Frequency CVCF Constant Voltage Constant Frequency A Inverter System Controls the algorithm according to various conditions Inverter VVVF Stroke Modulation FLB075LANA 113 ...

Page 114: ...r fist 30 seconds Step 2 Ramp up Stroke increases every 0 8sec until maximum stroke length is reached about 3 min 15 sec Step 3 CVCF interval 180V 60Hz Step 1 Start up Half stroke interval for fist 20 seconds Step 2 Ramp up Stroke increases until maximum stroke length is reached about 1 min 40 sec Step 3 VVCF interval target voltage and frequency controlled by Control Board signals Inverter Error ...

Page 115: ...OK Replace Driver PCB N Y Timeo 30sec V 200 Con201 Disconnect A inverter Test 1Mode Protection logic Ref Comp FLB075 A Inverter Refer Forced starting TDC Full Stroke Display Sound Display ON Buzz 1 time Check voltage about 200V past 30 second after turn on 115 ...

Page 116: ...er Check to make sure compressor is receiving voltage from IPM In order to determine whether the compressor is operating normally check the output voltage during the refrigeration cycle After initial power up when the compressor begins too operate wait 10 minutes before checking The compressor is operating normally if the voltage is greater than 80V Measure the voltage between the POWER and COMM p...

Page 117: ...ion at capillary tube or refrigerant leak Logic Compressor is forced to off and then tries to restart after 1 minute Prevent abnormally long piston strokes Blink OFF Blink OFF Y N Replace Driver PCB Protection Logic GND Voltage Protection logic Check B Blink time 1 FCT 0 Check B1 Blink time 1 FCT 0 Check B1 Reset Power Out of spec 2 2 2 8V Y Y Y N N Fix harness N PCB Y Y N Y N OK NG Protection log...

Page 118: ... 43 C and or refrigerator s condenser air movement is restricted Condenser Fan is stopped restricted discharge line compressor is damage or IPM device is defective N Y N Y Protection logic Check B Repeat check procedure Reset power Replace compressor Sealed system repair hi Side restriction Compressor doesn t work Compressor doesn t work Blink 5 times Lock Piston Trip Check B4 Blink Blink OFF OFF ...

Page 119: ...ic Compressor is forced off and tries to restart in 20 seconds Prevent high current due to IPM short Damaged IPM dead short point A Protection logic Check B Blink 7 times lock piston trip Check B5 Compressor doesn t works Power reset Check IPM visual inspection turn off Compressor Damaged Check C3 replace drive PCB repeat check procedure Replace Compressor short test point A A 119 ...

Page 120: ...sor runs reference value before occurring communication Error Blink Blink Blink Blink Blink Blink Blink Blink OFF 1 Check Tem Sound Pressure of comp and D pipe 2 Check whether or not C Fan Works Y N Protection logic Check Blink 8 times Communication Error Check B7 Check Comp Starting When C Fan doesn t work Power reset Repeat check procedure Repeat check procedure 120 ...

Page 121: ... resistance at each point except point C Dead short check measure the resistance between power line in compressor and earth ground in refrigerator Inf Ohm Y N N Y Y Y N N Y N Power Off Check capacitor spec Resistance at point A 6 8 ohm Check wiring to compressor Harness Connecting OK Harness problem check compressor terminals Replace Compressor Resistance at point D 6 8ohm Resistance at point B 6 ...

Page 122: ...side pressure is normal to slightly higher than normal conditions This is because condenser cannot condense the air that is trapped in the condenser The high side pressure and temperature will not mimic the low side pressures and temperatures Customer complains of longer run times and poor cooling performance lack of refrigerant can in some incidents cause piston over travel Pressure of refrigeran...

Page 123: ...LG Linear Compressor 6 8 6 8 Inf Inf GN GND NOTE Any terminal to ground should read Inf 123 ...

Page 124: ...ises after the second action replace compressor on on on on off on on on on off repeating on on on on on off on on on on on off repeating repeating repeating 1 After resetting power check if it is running normal 2 If the same symptom arises after the first action replace PCB 3 If the same symptom arises after the second action replace compressor 1 After resetting power check if it is running norma...

Page 125: ...rature Sensor give temperature information to Micom Measure the 2 pin connected to Fuse M If the ohmmeter indicate below 0 1 ohm fuse m is a good condition But infinitely great ohm Fuse M is disconnection Set a ohmmeter to the 2 housing pin Measure the 2 pin connected to sensor If the ohmmeter indicate 11kΩ at room temperature sensor is not a defect When check the ohm at other temperature check th...

Page 126: ...s connected to only one line So we can decide part is defect or not when we check the resistance 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 260W Voltage 1115V R 115x115 260 51Ω But the ohmmeter indicate infinitely great Sheath heater is disconnection 1 2 126 ...

Page 127: ... is designed to prevent the raising dew from door and cap duct Standard 13 3 DOOR and Chute HEATER ASSEMBLY How to measure Check the Red White to Grey Red at CON8 on the Main PCB Test Point Result 17 To 19 27 31 Ohms 127 ...

Page 128: ...he heater is designed to prevent the raising dew from H Bar door Standard 13 4 H BAR DOOR HEATER ASSEMBLY How to measure Check the Brown to Blue at CON5 on the Main PCB Test Point Result 1 To 7 2060 2370Ohms 128 ...

Page 129: ...ion to Micom When the door open internal contact operate on and off moving 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 Push Hook Push Hook How to measure Status Result No magnet near the switch Ω Magnet is near the switch 1Ω 129 ...

Page 130: ... Dispenser DC Motor Test Points 1 to 2 Result 9 9 12 1 1 2 13 6 DISPENSER DC MOTOR Function Standard How to measure Dispenser DC Motor When customer push the dispenser button pull duct door and abstract from ice bank 130 ...

Page 131: ...ale housing Measure the resistance between 1 and 2 1 2 3 1 1 2 Take out the male housing from female housing Measure the resistance between 1 and 3 1 2 13 7 AC MOTOR ASSEMBLY Function Standard How to measure Check the resistance between connectors In door motor 1 2 and In door motor 1 3 It means check whether or not applying an electric current If there is resistance it means the geared motor or s...

Page 132: ...unction Standard How to measure The damper supplies the cold air at freezer room to chillroom by using the damper s plate Chillroom is coolder than before when damper s plate is open When damper s plate is close chillroom s temperature will rise 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 damper ...

Page 133: ... 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 1 800 469 4663 Call anytime day or night 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 your nearest Sears Parts Re...

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