LG LTCS24223B /04 Скачать руководство пользователя страница 58

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REFRIGERATOR PARTS

CAUTION: Use the part number to order part, not the position number

167F

143F

143A

155F

#EV#

167B

170A

151A

154A

151D

151C

155B

Содержание LTCS24223B /04

Страница 1: ...MODELS LTCS24223B 04 LTCS24223S 04 LTCS24223W 04 REFRIGERATOR SERVICE MANUAL CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ...

Страница 2: ...e 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 technician Sealed system repa...

Страница 3: ... MICOM control Full Automatic Heater Defrost Polyurethan 2 full 1 small Yes No Plastic 2 LED 1 Glass 1 7 40 Hours PCM Fin Tube Type 4 Hours Fan Cooling BMA069LAMV 115V 60Hz Climate class MODELS SPECIFICATIONS Capacity Refrigerant Net Weight Dimensions W D H GENERAL FEATURES Color Anti freezing Heater Cooling System Rated Rating Insulation Compressor Temperature Control Defrosting System Evaporator...

Страница 4: ...tems listed below The locations of the features shown below may not match your model Custom Cube Icemaker Ice Bin Ice Tray Freezer Shelf Freezer Temperature Control Refrigerator Temperature Control Shelves Refrigerator Light LED Pantry Drawer Crispers Freezer light LED Freezer Door Bins On some models A B C D E F G H J K L I Dairy Bin M A O B C D E F G H L N I J M K Refrigerator Door Bins N F Deco...

Страница 5: ... to do so can result in back or other injury for bottom door hinge Remove the top hinge cover by gently prying it with a flat head screwdriver the three bolts and lift off the top hinge Set parts aside Electrical Shock Hazard before installing Failure to do so could result in serious injury or death injured or receive an electrical shock REMOVING THE REFRIGERATOR DOOR Loosen and remove the two bol...

Страница 6: ...phillips screwdriver to refasten the middle hinge bracket and door to the refrigerator housing Set the freezer door onto the Middle Hinge pin Place the upper hinge pin in the top of the freezer door and line up the upper hinge with the holes on top of the refrigerator Use the three bolts to replace the hinge Carefully force fit the top hinge cover back into place over the hinge Remove food and any...

Страница 7: ...tion and move the Hinge Pin Insert into the hole on the left side of the bracket Reverse the Door Closer Stop by flipping it over Place it on top of the Hinge Pin Insert Bracket and tighten both down with the screw Pry off the cover on the top left side of the refrigerator to uncover the screw holes Set the freezer door and top hinge parts to the side and remove the refrigerator door REVERSING THE...

Страница 8: ...screw and remove the Bottom Hinge from right side of the housing Fig 21 Remove the Decorative Caps on the bottom of the refrigera tor housing You will need these holes for the Bottom Hinge Move the Bottom Hinge to the left side of the housing keeping the same orientation and reattach with the two bolts and one screw The flat screw must be placed on the exterior side of the hinge Move the Decorativ...

Страница 9: ...4 in socket wrench NOTE Bracket has been flipped but Hinge Pin stays in the same orientation with its hexagonal end facing upward Insert the Decorative Screw into the outer hole on the right side of the housing Attach cover on the right side Cover is force fitted 9 Fig 29 Fig 30 Middle Hinge Bracket Flange Fig 31 Decorative Screw Fig 32 Fig 33 Fig 34 Fig 35 Cover on top of refrigerator Fig 36 REAT...

Страница 10: ... clockwise to lower it It may take several turns to adjust it to the inclination you would like NOTE Having someone push against the top of the refrigerator takes some weight off the leveling screws This will make it easier to adjust the screws 3 Open both doors again and check to make sure that they close easily If not tilt the refrigerator slightly more to the rear by turning both Leveling Screw...

Страница 11: ...N PCB and perform power RESET after checking the voltage on COMP side 11 3 4 2 Open back cover Check disconnection in OLP and Comp connection U V W Black Blue Yellow 2 Check wheter C Fan operates 1 CHECK COMP and Discharge PIPE temperature Check the number of LED blinking Refer to the next chapter for actions for each number of LED blinking If COMP is normal it will not blink Tes mode Button ...

Страница 12: ...heck again Leakage Replace Comp Replace PCB Is Comp in operation Check Comp Check C Compressor SVC Manual 1 Check LED Trip 1 Separate PCB COVER and check number of LED blinking 2 Verify the actions for each number of blinking Check when it is not RESET Before turning off the power of the refrigerator 3 Write the service information according to the number of LED blinking 4 Write SVC information an...

Страница 13: ...ED 7 times repeated Blink Blink Blink Blink Blink Blink Blink Off Blink Blink Blink Blink Blink Blink Blink Off Repeated PCB defect part IPM 1 Check normal operation after power reset 2 If same error occurs after 1 replace PCB 2 s p i T e c i v r e S e s u a C s u t a t s n o i t a r e p o D E L o N LED 1 time repeated Blink Off Blink Off Blink Off Blink Off Blink Off Blink Off Blink Off Blink Off...

Страница 14: ...FF Blink OFF Check protection logic LED blinking 1 time AD offset Error Is it out of Spec 2 2 2 8V Replace PCB Power Reset QCause PCB Short sensing part defect Objective to detect Motor voltage or current sensing defect Actions check CC310 voltage and if it is outside 2 2 2 8V replace PCB Q Q 14 ...

Страница 15: ...ff on within 3 min 1 If it blinks 6 times but there is no significant difference between the temperature inside the refrigerator and the set temperature there is no problem in PCB Compressor or Cycle 2 If it blinks 6 times and problem such as no cooling occurs it means cycle leakage or cycle clogged moisture trash Cause Cycle leakage or clogging excessive Compressor temperature increase compressor...

Страница 16: ... burn Power Reset 3 LED blinking 7 times IPM Fault Actions for each TRIP and the number of LED blinking F F O k n i l B Blink Blink Blink Blink Blink Blink Cause IPM Short defect burned or damaged Objective Protection of the over current caused by IPM short or defect Actions Visual verification of IPM burn when COMP is not in operation Check whether there is a short circuit in U V or W part Replac...

Страница 17: ...rost are sticked to the EVAPORATOR Replace each component Replace each component Replace each component U W V Multi Tester U W V Compressor terminal Motor resistance 7 96 1 Compressor BMA069LAMV There may be difference of several in the resistance value according to the ambient temperature or operation condition Cooling ability is poor Check COMPRESSOR HARNESS QMeasure COMP connector resistance Po...

Страница 18: ...et becomes dirty Did you keep smelly foods without wrapping It smells plastic Plug to the outlet Set the switch to ON Replace a regular fuse If voltage is low wire newly Place the set with the space of about 10cm Place the set apart from these heat appliances Make the ambient temperature below Put in foods after they get cold cold Don t open the door too often and close it firmly Set the control t...

Страница 19: ...ect Contact Defect CON201 Housing Contact Defect Harness Disconnection If the resistance value measured at B point also shows infinity or several hundred disassemble Cover PTC of the Compressor connector and check the locking status of the terminal at D point in the figure If it is normal check the contact status of O L P fixed inside Cover PTC The problem in O L P may be judged by the resistance ...

Страница 20: ...in 4 Vacuum degree must be same to the value described item 2 above for more than 20 min 1 The pressure of dry air must be more than 12 16Kg cm2 2 Temperature must be more than 20 70 C 3 Keep the pressure to 12 6Kg cm2 also when substituting dry air for Nitrogen Gas 1 Check if gas leaks with soapy water 2 Replace Quick Coupler in case of leakage Put all Joint Pipe in a clean box and cover tightly ...

Страница 21: ...6 CIRCUIT DIAGRAM Models without Dispenser Lay Out of PCB 21 ...

Страница 22: ...r from compressor and measure voltage between T erminal C of compressor and terminal 5 or 6 of PTC Check resistance of two terminals in PTC Starter Check resistance of two terminals in OLP Check the power supply under load Compressor attempting to re start after being off for 5 minutes Check resistance of PTC Starter Check OLP Check starting state Check resistance of motor compressor Check the res...

Страница 23: ...een No 5 and 6 of PTC Starter with a T ester Figure 1 Separate OLP from Compressor and check resistance value between two terminals of OLP with a T ester Figure 2 Observation value is 115V 60Hz 6 8 20 The resistance value short or 8 at 25 c open Check another electric component Replace OLP Replace PTC Starter Figure 1 Figure 2 at room temperature 25 c PTC 23 ...

Страница 24: ...en contact Shorted Lack of capacity Replace indicated component Advise customer that the Power supply needs to be checked by an electrician Replace indicated component Cause Check voltage at starting devices Check current flowing in sub coil of Compressor Check rating of OLP Fan motor doesn t run Heavy frost buildup on EVAPORATOR Wire is open or shorted Coil is shorted or open Open Open Replace De...

Страница 25: ...r fan motor not operating 1 Check condenser fan motor and wiring circuit 2 Condenser coils blocked 2 Check air flow across condenser 3 Evaporator fan motor not operating 3 Check evaporator fan motor and wiring circuit 4 Internal air flow blocked 4 Check air ducts 5 Sensor not operating properly 5 Check refrigerator and freezer sensors 6 Door not sealing 6 Check for proper door seal 7 Evaporator fr...

Страница 26: ...nt Lower than Cooling operation restarts RESTRICTION stops periodically is not heard and frost melts ambient when heating the inlet of the temperature capillary tube COMP Freezer and Low flowing sound of A little higher Low pressure at high side RESSION Refrigerator refrigerant is heard and ambient of compressor due to low don t cool frost forms in inlet only temperature refrigerant level NO COMP ...

Страница 27: ...e Waits until water becomes cold after starting the Icemaking operation Runs MOTOR to drop ice from the tray into the ICE BIN Performs after supplying water by operating Icemaking Mode the SOLENOID in ICE VALVE To operate the TEST MODE insert pin at hole located at front press internal button and hold 3 seconds Harvest Fill Icemaking With the detect lever checks if the ICE BIN is full Power On Adj...

Страница 28: ...ing function will be completed in 4 hours NOTE After icemaker power is ON the icemaker heater will be on for test for 9 seconds 8 2 3 Harvest Mode 1 Harvest Ice removing refers to the operation of dropping cubes into the ice bin from the tray when icemaking has Completed 2 Harvest mode 1 The heater is ON for 30 seconds then the motor starts 2 After performing Step 1 the heater is turned OFF the ej...

Страница 29: ...or fill as illustrated in the table below Water supply amount TABLE S K R A M E R S N O I T A C I D N I Y L P P U S O T E M I T E G A T S 1 2 3 6 sec 7 sec 8 sec The water amount will vary depending on the water control switch setting as well as the water pressure of the connected water line NOTE Below is an example used by another vendor as an explanation of what is taking place NOTE The water mo...

Страница 30: ...Ice Maker water supply control panel ERROR indicators in table can be checked only in TEST mode S K R A M E R R O T A C I D N I S M E T I E G A T S 1 2 3 4 5 6 HEATER MOTOR HALL IC TRAY SOLENOID VALVE HALL IC LEVER Reset Five seconds after heater starts heater will go off if temperature recorded by sensor is 10 C or lever is in up position Five seconds after heater starts you can confirm that moto...

Страница 31: ...re reaches 50 F 10 C or more If the sensor doesn t reach the 50 F 10 C in 1 hour the defrost mode is malfunctioning Refer to the defect diagnosis function Defrosting won t function if the sensor if defective wires are cut or short circuited 9 1 3 Electrical Parts Operation in Sequence Electrical parts such as COMP defrost heater freezer FAN etc Operate in the following order to prevent noise and p...

Страница 32: ... the front Display is pushed Ding sound is produced and it works as follows 1 Defrosting starts each time the compressor running time reaches between 7 50 hours and 50 hours according to door open time 2 For initial power on or for restoring power defrosting starts when the compressor running time reaches 4 hours 3 Defrosting stops if the sensor temperature reaches 10 C or more If the sensor doesn...

Страница 33: ...e passed press and hold down TEMP AJUST button ERROR CODE on Refrigerator Temperature panel ON OFF NO Item Error Code Contents Product Operation Status in Failure Compressor Freezer Motor Defrost Heater R1 R2 R3 R4 R5 1 Failure of Refrigerator Sensor Ref Sensor Open or Short circuit wire 15min ON 15 min OFF 15min ON 15 min OFF Normal 2 Failure of Defrost Sensor Defrost Sensor Open or Short circuit...

Страница 34: ... the WATER LOCK LED on the Display will Be turned OFF 9 1 11 Filter Condition Display Function 1 There is a replacement indicator light for the water filter cartridge on the dispenser 2 Water filter needs replacement once six months 3 For reset the counter or turn OFF the filter change indicator press the lock button 3 sec and the counter will start from 0 and the filter change indicator will be O...

Страница 35: ...the appliance 5 If an error such as a sensor failure is detected while in the test mode the test mode is cleared and the error code is displayed 6 While an error is detected the test mode will not be activated even if the test button is pushed 1 Comp OFF 2 Freezer fan OFF 3 Defrosting heater ON 4 Temperature display part show as bellows Reset if the temp of the defrosting sensor is 10 C or above L...

Страница 36: ...ispenser not working 6 Freezer Room LED Module doesn t work 7 Refrigerator Room LED Module doesn t work 8 Poor cooling in Refrigerator room 9 Over cooling in Refrigerator room 10 Freezer BLDC FAN Motor Error 11 Cooling BLDC FAN Motor Error 1 Temperature compensation 2 TEST MODE and Removing TPA 3 TEMPERATURE CHART REF AND DEFROST SENSOR 4 TEMPERATURE CHART RT SENSOR CONTENTS 36 ...

Страница 37: ...AN Hygiene Optional V LED Optional CON 6 Tactile Display or Inner Display PCB CON 8 Sensors LED Lightning and door switch CON 10 CON 202 Programming Port CON 11 Dispenser Switch Smart Buzzer Optional and Dispenser LED Optional CON102 OLP CON 7 Touch Display PCB CON 9 Ice Maker twisting CON8 CON11 CON2 CON6 CON5 CON202 CON201 CON1 37 ...

Страница 38: ...Part Name 1 1 MAIN PCB Picture P N EBR80757401 PCB PJT QT 24CU 100 127V P N EAD61445253 Power Cord PJT Plug A2 127V 115V 38 ...

Страница 39: ...r a P P N EBR59400502 P N EBR59400503 1 2 DISPLAY PCB LED Lighting Basic Models Tact and Inner Display Dispenser Models Tact and Inner Display P N EAV48995122 P N EAV61573112 F Room LED Module R Room Right Lefth LED Module 39 ...

Страница 40: ... C 68 F 20 C 77 F 25 C 86 F 30 C 95 F 35 C 104 F 40 C RESISTANCE 225 1 169 8 129 3 99 30 76 96 60 13 47 34 37 55 30 24 13 19 53 15 91 13 03 10 74 8 89 7 40 6 20 VOLTAGE 4 48 V 4 33 V 4 641 V 4 54 V 4 425 V 4 287 V 4 128 V 3 948 V 3 75 V 3 535 V 3 307 V 3 070V 2 829 V 2 589 V 2 354 V 2 128V 1 914 V Check for loose connection in CON8 2 1 Unplug connector from CON8 2 Check resistance in wires Brown t...

Страница 41: ...or Check the resistance of the sensor wires back to the main PCB if they are open between the main PCB and connector it will be necessary to replace the refrigerator Check the Temp and resistance Table 1 Result SVC Action Check for loose connection in CON8 2 1 Unplug connector from CON8 2 Check resistance in wires White to White Firmly plugged Loose Go to step 2 Plug firmly then check again Proble...

Страница 42: ...y are open between the main PCB and connector it will be necessary to replace the refrigerator Check the Temp and resistance Table 2 Result SVC Action 1 Check for loose connection in CON8 2 1 Unplug connector from CON8 2 Check resistance in wires Orange to Orange 3 Check for loose connection in evaporator heater connector 4 1 Unplug evaporator heater connector 2 Check resistance in wires Orange to...

Страница 43: ...VAC 10VAC 0 V SVC Action Go to the 5 Replace Main PCB Result 0 V 115VAC 10VAC SVC Action Nomal Replace Main PCB 1 Check the Door Gasket 2 Check the Defrost control part Fuse M Defrost Heater 3 Input Test 2 Mode Push the button 2 times 4 Check voltage in wires Brown to Blue in connector CON2 5 Release the test mode Push the button 1 times normal 6 Check voltage in wires Brown to Blue in connector C...

Страница 44: ...3 Check resistance in switch 1 2 3 Normal Push S W 0 Other Infinity Other Go to the 5 Go to the 4 Go to the 5 Go to the 4 Status Result SVC Action Normal Push S W 0 Other Infinity Other Go to the 5 Change the dispenser switch Go to the 5 Status Result SVC Action Change the dispenser switch Firmly plugged Loose Go to step 2 Plug firmly then check again Problem persist YES Go to step 2 NO Explain to...

Страница 45: ...oor 1 to 2 3 to 4 330 390 Other 330 390 Other It s normal Replace Water Valve It s normal Replace Water Valve Point Result SVC Action 1 2 3 4 Ice Maker Dispenser 7 Check the resistence value Pushing Not pushing 112 115 V Other 0 2 V Other Go to the 6 Change PCB Go to the 6 Change PCB Lever s w Result SVC Action Pushing Not pushing 112 115 V Other 0 2 V Other Go to the 7 Change PCB Go to the 7 Chan...

Страница 46: ...inuity between the terminals of magnetic switch replace the switch If there is not continuity go to step 3 Door Magnetic Switch Status Result SVC Action Status Result SVC Action Normal Infinity Resistence Place the magnet near to the magnetic switch 0 Disconnect the magnetic switch and confirm if continuity between the terminals exists or not Is there continuity when you close magnetic switch with...

Страница 47: ...he 3 Change door S W Status Result SVC Action Closed Open 12 V Other 0 V Other Normal Change the PCB Normal Change the PCB Status Result SVC Action 4 1 Unplug connector from CON8 2 Check resistance in wires Pink to Pink 5 Plug in CON8 check voltage in wires Pink to Pink 6 Plug in CON8 check voltage in wires Pink to Pink 7 Check voltage in Freezer LED Connector Open Closed 12 V Other 0 V Other Chan...

Страница 48: ...ntinuity between the terminals of magnetic switch replace the switch If there is not continuity go to step 3 Door Magnetic Switch Status Result SVC Action Status Result SVC Action Normal Infinity Resistence Place the magnet near to the magnetic switch 0 Disconnect the magnetic switch and confirm if continuity between the terminals exists or not Is there continuity when you close magnetic switch wi...

Страница 49: ...the 3 Change door S W Status Result SVC Action Closed Open 12 V Other 0 V Other Normal Change the PCB Normal Change the PCB Status Result SVC Action 4 1 Unplug connector from CON8 2 Check resistance in wires Gray to Gray 5 Plug in CON8 check voltage in wires Gray to Gray 6 Check voltage in wires from CON8 Red to Black 7 Check voltage in Refrigerator LED Connector Open Closed 12 V Other 0 V Other C...

Страница 50: ... F C Result 38 30 24 19 5 16 Status Windy No windy SVC Action Go to the 4 Check the Fan motor Next page Status Cold Not cold SVC Action Normal Check the Compressor And sealed system 4 Check the air temperature Cold or not 1 1 Unplug connector from CON8 2 Check resistance in wires White to White Release Motor Point Result SVC Action 5 Check the Fan motor Rotate fan using your hand It feel sticky ch...

Страница 51: ...the temperature For example 30 indicates 32 F Result SVC Action Temperature 23 F C 32 F C 41 F C 50 F C 59 F C Result 38 30 24 19 5 16 Status Windy No windy SVC Action Go to the 4 Check the PCB Status Windy No windy SVC Action Change the PCB It s normal 4 Input Test 2 Mode and Check the air flow push the button 1 time 1 1 Unplug connector from CON8 2 Check resistance in wires White to White 51 ...

Страница 52: ... 1 Push the TEST Mode Check the loose connection Input Test 1 Mode push the button 1 times 2 Open the freezer door and Check the Air flow While an error code is displayed the fan is not working d n a h r u o y g n i s u n a f e t a t o R r o t o m n a F e h t k c e h C 3 It feel stuck or locked up change the motor F FAN 4 5 6 5 4 3 1 2 3 CON5 CON5 4 Check the FAN Motor Voltage in wires Gray to Whi...

Страница 53: ... PCB Status SVC Action 1 Push the TEST Mode Check the loose connection Input Test 1 Mode push the button 1 times d n a h r u o y g n i s u n a f e t a t o R r o t o m n a F e h t k c e h C 3 It feel stuck or locked up change the motor 2 Check the Fan motor rotate in machine room While an error code is displayed the fan is not working 4 Check the FAN Motor Voltage in wires Sky Blue to Brown 5 Check...

Страница 54: ...ou want to raise or drop basic temperature cut the jump wire on the Main PCB CUT OPTION Temperature compensation Over cooling compensation Poor cooling compensation JCR1 JCR2 JCR3 JCR4 Refrigerator Room JCR1 cuts 1 JCR2 cuts 1 JCR3 cuts 1 JCR4 cuts 1 3 Reference 54 ...

Страница 55: ... MODE 2 How to remove Terminal Position Assurance TPA 1 time Comp ON F fan ON Defrost Heater OFF Display ALL ON 2 times Comp OFF F fan OFF Defrost Heater ON 2 displayed Main PCB AC TPA DC TPA 2 TEST MODE and Removing TPA All LED turn on TEST MODE 2 After measure the values you should put in the TPA again 55 ...

Страница 56: ...number 103A S01 103A 281A 281B 301A 401A 418A 282E 501F 411A S01 304A 282B S13 406B 282H 283B 120A 120A 120A 120A 105A 318A 323B 420A 405G 405D 329C 319D 319F 106A 106A EV 305B 305C 315A 305C 305B S01 S01 10 EXPLODED VIEW 317A 120A 120E 501B 279A 120B LD1 158B LD1 LD3 158D 158C 404X 503G 410A B01 S38 501A 311A ...

Страница 57: ...FREEZER PARTS CAUTION Use the part number to order part not the position number 405C 404A 319E 330B S01 332A 284A 329A 110D EV 405F 404Z 149F S16 332B ...

Страница 58: ...REFRIGERATOR PARTS CAUTION Use the part number to order part not the position number 167F 143F 143A 155F EV 167B 170A 151A 151A 154A 151D 151C 155B ...

Страница 59: ...DOOR PARTS CAUTION Use the part number to order part not the position number 241A 230A 231A 233A 281E 241C 241C 241D 286A EV 205A 205A 200A 201A 203A 212G 286A 210B 210C 210A ...

Страница 60: ...ICE MAKER PARTS CAUTION Use the part number to order part not the position number 131A 600A 602A 600C 619C 623A 627A EV S01 618A ...

Страница 61: ...July 2015 P No MFL31442314 ...

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