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LG LFC25776SB, Руководство по обслуживанию

LG LFC25776SB - холодильник с двумя дверями 24 куб. фута с функцией Smart Cooling. На нашем сайте вы можете скачать бесплатный сервисный мануал для этой модели. Узнайте все особенности и настройки этого холодильника, загрузив руководство по эксплуатации с manualshive.com.

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CONTENTS

SAFETY PRECAUTIONS

Please read the following instructions before servicing your refrigerator.
1. Unplug the power before handling any elctrical componets.
2. Check the rated current, voltage, and capacity.
3. Take caution not to get water near any electrical components.
4. Use exact replacement parts.
5. Remove any objects from the top prior to tilting the product.

SAFETY PRECAUTIONS  ............................................................................................................................... ........................ 2
1. SPECIFICATIONS  ............................................................................................................................... ............................... 3
2. PARTS IDENTIFICATION ..................................................................................................................................................  4

4. ADJUSTMENT ..................................................................................................................

COMPRESSOR  ............................................................................................................................... .................................. 13

5. CIRCUIT DIAGRAM  ............................................................................................................. ............................................ 14
6. TROUBLESHOOTING ....................................................................................................................................................... 15

ERROR CODE SUMMARY ................................................................................................................................................ 15

7. PCB PICTURE ............................................................................................................................................................. 16-17

MAIN PCB  .......................................................................................................................................................................... 16
DISPLAY PCB & SUB PCB  ............................................................................................................................................... 17

8. TROUBLESHOOTING WITH ERROR DISPLAY ........................................................................................................ 18-25
9. TROUBLESHOOTING WITHOUT ERROR DISPLAY  ................................................................................................ 26-31
10. REFERENCE  ............................................................................................................................................................. 32-35
11. COMPONENT TESTING INFORMATION   ................................................................................................................ 36-44
12. TROUBLESHOOTING ............................................................................................................................................... 45-56
13. ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR  ................................................................ 57-60
14. EXPLODED VIEW & REPLACEMENT PARTS LIST ................................................................................................ 61-65

3.DISASSEMBLY------------------------------------------------------------------------------------------------------------------

---------------------5-12

   REMOVING AND REPLACING REFRIGERATOR DOORS -------------------------------------------------------------------------------5-6

   DOOR -------------------------------------------------------------------------------------------------------------------------------------------------------7

  DOOR ALIGNMENT -------------------------------------------------------------------------------------------------------------- -----------------------8

  LAMP------------------------------------------------------------------------------------------------------------------------- --------------------------------8

  MULTI DUCT------------------------------------------------------------------------------------------------------------------- ----------------------------8

  MAIN PWB--------------------------------------------------------------------------------------------------------------------- -----------------------------8

  HOW TO REMOVE AND REINSTALL THE PULLOUT DRAWER-----------------------------------------------------------------------9-10

  WATER VALVE DISASSEMBLY METHOD-------------------------------------------------------------------------------------------------------11

  FAN AND FAN MOTOR DISASSEMBLY METHOD--------------------------------------------------------------------------------------------11

  PULLOUT DRAWER------------------------------------------------------------------------------------------------------------------------------------12

                                    13

................................................

Содержание LFC25776SB

Страница 1: ...R SERVICE MANUAL CAUTION BEFORE SERVICING THE PRODUCT READ THE SAFETY PRECAUTIONS IN THIS MANUAL MODELS LFC25776SW LFC25776SB LFC25776ST WESTERN BLACK SB COLORS SUPER WHITE SW STAINLESS ST LFCS25426 Diamond Black ...

Страница 2: ...IRCUIT DIAGRAM 14 6 TROUBLESHOOTING 15 ERROR CODE SUMMARY 15 7 PCB PICTURE 16 17 MAIN PCB 16 DISPLAY PCB SUB PCB 17 8 TROUBLESHOOTING WITH ERROR DISPLAY 18 25 9 TROUBLESHOOTING WITHOUT ERROR DISPLAY 26 31 10 REFERENCE 32 35 11 COMPONENT TESTING INFORMATION 36 44 12 TROUBLESHOOTING 45 56 13 ICE MAKER AND DISPENSER WORKING PRINCIPLES AND REPAIR 57 60 14 EXPLODED VIEW REPLACEMENT PARTS LIST 61 65 3 D...

Страница 3: ...ater Defrost PCM VCM Stainless Bar ABS Resin Polyurethane Foam DOOR DESIGN DIMENSIONS inches NET WEIGHT pounds COOLING SYSTEM TEMPERATURE CONTROL DEFROSTING SYSTEM DOOR FINISH HANDLE TYPE INNER CASE INSULATION ITEMS 25cu ft SPECIFICATIONS Description LFC25776 Depth w Handles Depth w o Handles Depth w o Door Depth Total with Door Open Height to Top of Case Height to Top of Door Hinge Width Width do...

Страница 4: ...rol Refrigerator Light Shelves Modular Door Bin Glide N Serve Ice Bin Durabase Divider Dairy Bin Modular Door Bin Bottle Holder Modular Door Bin Pullout Drawer Optibin Crisper Keeps fruits and vegetable fresh and crisp AUTOMATIC ICEMAKER Mullion ...

Страница 5: ... latch be careful that the door does not fall forward Lift the door from the middle hinge pin and remove the door Place the door inside facing up on a nonscratching surface To remove the right refrigerator door Open the door Remove the top hinge cover screw 1 Use a flat blade screwdriver to lift the tabs on the front underside of the cover 2 Lift up the cover Rotate hinge lever 3 clockwise Lift th...

Страница 6: ...ft side door Lower the door onto middle hinge pin Fit the top hinge 1 over the hinge lever latch 2 and into place Rotate the lever 3 clockwise to secure the hinge Install the grounding screw 4 and connect all the wire harnesses 5 Fit the top hinge 1 over the hinge lever latch 2 and into place Rotate the lever 3 counterclockwise to secure the hinge Insert and tighten the cover screw 4 2 1 2 3 4 6 6...

Страница 7: ...n up carefully 3 Disconnect wire harness Door Gasket Replacement 1 Insert gasket into channel Press gasket into channels on the four remaining sides of door 2 Insert mullion into the channel Insert the cover assembly into bracket door Mullion Replacement 1 Connect wire harness 3 Assemble 2 screws Figure 1 Figure 2 Figure 3 Figure 4 Figure 5 Figure 6 Figure 7 Figure 8 7 ...

Страница 8: ...e 15 Figure 16 Figure 13 1 Unplug refrigerator power cord form outlet 2 Remove screw with driver 3 Grasp the cover Lamp pull the cover downward 3 4 2 Freezer Compartment Lamp 3 5 MULTI DUCT 1 Romove the upper and lower caps with a flat screwdriver and remove 2 screws Figure 19 2 Disconnect the lead wire on the bottom position Figure 14 Figure 10 3 4 LAMP Unplug or disconnect power at the circuit b...

Страница 9: ...rom the guide rails one from each side Step 2 Remove the lower basket Step 4 Removal of the freezer door is done by lifting clear of the rail support Fully extend both rails Step 6 Remove 2 screws of both side of supporter covers tv and disassemble the supporter cover tv Step 5 Remove only 1 screw of gearice and disassemble the bar and gearice ...

Страница 10: ...nstall the freezer door by inserting the rail tabs into the guide rail Step 8 Reinstall the lower basket and close the freezer door Step 5 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 7 Reinstall the two screws into the guide rails one from each side Step 2 Assemble a bar and gear ice with screw Push the ...

Страница 11: ... the clip and press the collet to separate the tube from the connector Note there maybe some water in the line Mechanical Cover Housing MOTOR COVER 2 Separate the Fan Assembly and Motor turn counter clockwise to remove from the motor shaft FAN ASSEMBLY MOTOR Assemble in reverse order Taking care to avoid 1 Do not to bend the tube during assembly 2 Press the Water Dispenser button letting water pou...

Страница 12: ...3 10 PULL OUT DRAWER 12 To remove the freezer drawer pull the drawer open to full extension Remove the lower DuraBase basket by lifting the basket from the rail system ...

Страница 13: ...shaped flap tooll to pry off the cover 4 Assembly in reverse order of disassembly 4 2 3 Compressor protection logic Since linear Comp conducts linear reciprocating motion we have protection logic for compressor motor and PCB as the below Stroke Trip During the operation if stroke is above the target value decrease the target volt by 3V Current Trip Current trip is set in order to protect compresso...

Страница 14: ... 8 5 CIRCUIT DIAGRAM 14 ...

Страница 15: ...aused 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 Mechanic Room Er CF It is caused when feedback signal isn t over 65 seconds during BLDC FAN motor operating Poor BLDC Motor connection DRIVE IC and TR 9 10 11 12 Communication Error Er Er Er CO Communication Error between Micom of Main PWB ...

Страница 16: ... 8 16 7 PCB Picture 7 1 Main PCB P No MFG Picture CON7 CON5 CON201 CON4 CON3 CON2 CON1 EBR74796405 2013 03 ...

Страница 17: ... 8 7 2 Display PCB Sub PCB P No Display PCB Picture CON01 17 EBR42479314 2013 03 ...

Страница 18: ...C Action 18 0 Short Open Normal Change the sensor Replace the refrigerator Check the Temp and resistance Table 1 Result SVC Action Temperature table 1 1 To 2 22 F 30 C 13 F 25 C 4 F 20 C 5 F 15 C 14 F 10 C 23 F 5 C 32 F 0 C Result 40 5 38 5 30 5 28 5 23 21 5 17 5 16 5 13 5 12 5 10 5 9 5 8 7 5 The sensor is determined by the temperature For example 23 indicates 4 F ...

Страница 19: ...8 2 Refrigerator Sensor Error Er rS No 1 2 Checking flow Check for a loose connection Check the White to White Result SVC Action 19 Temperature table 2 1 To 2 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C Result 38 5 36 5 30 5 29 5 24 5 23 5 20 19 16 15 5 The sensor is determined by the temperature For example 30 indicates 32 F CON7 ...

Страница 20: ...o 1 2 Checking flow Check for a loose connection Check the Red to Bright Orange Result SVC Action Temperature table 1 1 To 2 22 F 30 C 13 F 25 C 4 F 20 C 5 F 15 C 14 F 10 C 23 F 5 C 32 F 0 C Result 40 5 38 5 KΩ 30 5 28 5 KΩ 23 21 5 KΩ 17 5 16 5 KΩ 13 5 12 5 KΩ 10 5 9 5 KΩ 8 7 5 KΩ The sensor is determined by the temperature For example 23 KΩ indicates 4 F CON4 20 ...

Страница 21: ...Error Er dS No 1 2 Checking flow Check for a loose connection Check the Orange to Orange Result SVC Action Check the Brown to Brown The sensor is determined by the temperature For example 23 KΩ indicates 4 F CON7 Temperature table 3 1 To 2 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C Result 38 5 36 5 KΩ 30 5 29 5 KΩ 24 5 23 5 KΩ 20 19 KΩ 16 15 5 KΩ 21 ...

Страница 22: ...ecking flow Check the Door gasket Check the Defrost control part 3 Input Test 3 Mode Push the button 3 times 4 Check the Blue to Orange Result SVC Action Fuse M Def Heater Def Sensor 5 Release the test mode Push the button 1 times Normal CON3 CON3 Result 112 116 V 0 V SVC Action Go to the 5 Replace Main PCB 6 Check the Blue to Orange Result 0 V 112 116 V SVC Action Explain to customer Replace Main...

Страница 23: ...e an error code is displayed the fan is not working 3 Check the Fan motor Rotate fan using your hand It feel sticky change the motor Cause of ice or rust inside of motor 4 Check the Fan motor voltage Result SVC Action Below 7 V 0 or 5 V 2 3 1 3 Change the PCB Change the motor Point Result SVC Action CON7 Status No windy Windy SVC Action Go to 3 Go to 4 1 2 3 23 ...

Страница 24: ...ating While an error code is displayed the fan is not working 3 Check the Fan motor and surrounding Rotate fan using your hand It feel sticky change the motor Result SVC Action 4 Check the Fan motor voltage Below 7 V 0 or 5 V 2 3 1 3 Change the PCB Change the motor Point Result SVC Action Status No windy Windy SVC Action Check motor Go to the 4 ...

Страница 25: ...ange CON5 6 Check the White Red to White Black CON5 CON101 Display 3 Check the Orange to Brown Result 0 V or 5 V Other SVC Action Change the Display PCB Go to the 4 4 Check the Orange to Red Result 0 V or 5 V Other SVC Action Change the Main PCB Go to the 5 Result 0 V or 5 V Other SVC Action Change the Display PCB Go to the 6 Result 0 V or 5 V Other SVC Action Change the Main PCB Explain to custom...

Страница 26: ...ky blue 4 Check the Blue to Black Check the Blue to Black Closed Open 0 2 V Other 115 V Other Explain to customer Change the Main PCB Change the F Lampe Change the PCB Status Result SVC Action Closed Open 5 V Other 0 V Other Go to the 4 Change the Door S W Go to the 4 Change the Door S W Status Result SVC Action Normal Push S W 0 Ω Infinity Infinity 0 Ω Go to the 3 Change door S W Go to the 3 Chan...

Страница 27: ...losed Open 0 2 V Other 12 V Other Explain to customer Change the Door S W Explain to customer Change the LED Lamp Status Result SVC Action Normal Push S W 0 Ω Infinity Infinity 0 Ω Go to the 3 Change door S W Go to the 3 Change door S W Status Result SVC Action Normal 12 V Other Go to the 4 Change the PCB Status Result SVC Action Normal 12 V Other Go to the 5 Change the LED Lamp Status Result SVC ...

Страница 28: ...ined by the temperature For example 30KΩindicates 32 F Result SVC Action CON7 1 To 2 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C Result 38 5 36 5KΩ 30 5 29 5KΩ 24 5 23 5KΩ 20 19KΩ 16 15 5KΩ Status Windy No windy SVC Action Go to the 4 Check the R Fan motor Check the damper Go to the 6 4 Check the air temperature Cold or not Status Cold Not cold SVC Action Explain to customer Check the Compresso...

Страница 29: ... Fan motor voltage 1 3 2 4 Open Closed Not working 1 Mode 2 Mode 1 2 mode Damper is normal Explain to customer Change the damper Test Mode Damper State SVC Action 1 to 2 3 to 4 270 330 Ω Other 270 330 Ω Other It s normal Change damper It s normal Change damper Test Point Result SVC Action Below 7 V 0 or 5 V 2 3 1 3 Change the PCB Change the motor Point Result SVC Action Sticky Motor Change the mot...

Страница 30: ... the temperature For example 23KΩ indicates 4 F Result SVC Action Status Windy No windy SVC Action Go to the 4 Check the F Fan motor 4 Check the air temperature Cold or not Status Cold Not cold SVC Action Explain to customer Check the Compressor And sealed system 1 To 2 22 F 30 C 13 F 25 C 4 F 20 C 5 F 15 C 14 F 10 C 23 F 5 C 32 F 0 C Result 40 5 38 5KΩ 30 5 28 5KΩ 23 21 5KΩ 17 5 16 5KΩ 13 5 12 5K...

Страница 31: ...erator door and Check the air flow The sensor is determined by the temperature For example 30KΩindicates 32 F Result SVC Action 1 To 2 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C Result 38 5 36 5KΩ 30 5 29 5KΩ 24 5 23 5KΩ 20 19KΩ 16 15 5KΩ Status Windy No windy SVC Action Go to the 4 Check the R Fan Check the damper Go to the 5 4 Input Test 2 Mode and Check the air flow Push the button 1 time 5...

Страница 32: ...make TEST MODE If you push the test button on the Main PCB the refrigerator will be enter the TEST MODE 2 How to remove Terminal Position Assurance TPA 1 time Comp Damper All FAN on All things displayed 2 times Damper closed 22 22 displayed 3 times Forced defrost mode 33 33 displayed Main PWB A P T C D A P T C A 32 ...

Страница 33: ...5 C 50 F 10 C 59 F 15 C 68 F 20 C 77 F 25 C 86 F 30 C 95 F 35 C 104 F 40 C RESISTANCE 73 29KΩ 53 63KΩ 39 66KΩ 29 62KΩ 22 33KΩ 16 99KΩ 13 05KΩ 10 10KΩ 7 88KΩ 6 19KΩ 4 91KΩ 3 91KΩ 3 14KΩ 2 54KΩ 2 07KΩ 1 69KΩ 1 39KΩ VOLTAGE 4 09 V 3 84 V 3 55 V 3 23 V 2 89 V 2 56 V 2 23 V 1 92 V 1 63 V 1 38 V 1 16 V 0 97 V 0 81 V 0 67 V 0 56 V 0 47 V 0 39 V 33 ...

Страница 34: ...2 F 0 C 41 F 5 C 50 F 10 C 59 F 15 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 16 V 3 95 V 3 734 V 3 487 V 3 22 V 2 95 V 2 67 V 2 40 V 2 14 V 1 89 V 1 64 V 1 45 V 1 27 V 1 10 V 0 96 V 34 ...

Страница 35: ... is a fan motor malfunction this process is repeated 3 times If the fan motor is determined to be defective the error code will be shown in the display for 30 minutes At this point the process will be repeated until the fan motor operates normally If normal operation is achieved the error display is erased and the MICOM is reset automatically No signal Error Display 15s 10s 15s 10s 15s Normal driv...

Страница 36: ...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 11 at room temperature Sensor is not a defect When check the ohm at other temperature...

Страница 37: ...istance How to Measure Set a ohmmeter connect to The 2 housing pin Measure the 2 pin connected to Sheath Heater If the ohmmeter indicate V øV Watt R is good condition ex when watt 350w voltage 115v R 115 ø115 350 38Ω But the ohmmeter indicate infinitely great Sheath heater is disconnection Standard Sheath heater at all temperature Test Point 1 to 2 Ressult 34 42Ω 1 2 37 ...

Страница 38: ...11 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 9Ω 1 2 3 5 8 9 4 6 7 38 ...

Страница 39: ...d 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 3 4...

Страница 40: ...Motor Function Dispenser DC Motor When customer push the dispenser button Pull duct door and abstract from ice bank How to Measure Standard Dispensor DC Motor Dispenser DC Motor Test Points 1 to 2 Result 9 9 12 1Ω 1 2 40 ...

Страница 41: ... to 3 Result 31 1 42 09Ω Take out the male housing from female housing Measure the resistance between 1 and 2 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 solenoid is not inferiority 1 2 3 1 1 2 Take out the male housing from female housing Measure the r...

Страница 42: ...rature 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 Check t...

Страница 43: ...embly The lamp socket supply electric source to lamp also How to Measure Standard Check the resistance between connector of housing and connector of lamp socket It means check whether or not applying an electric current If there is resistance it means the lamp socket is not inferiority Test Points 1 to 2 and 3 to 4 Result 0Ω 1 2 3 4 43 ...

Страница 44: ...or Function Flow Sensor in machine room Count the water quantity from city water to water filter in refrigerator How to Measure Standard Flow Sensor in machine room Test Points Red wire to Black wire Result 4 30Ω 44 ...

Страница 45: ...eset Reset Reset Reset LED blink 1 LED blink 7 Replace Driver PCB Comp Check Replace Driver PCB LED blink 5 LED blink2 Heavy Repair Heavy Repair Comp Work Comp Check Replace Comp Comp Work Comp Check Harness Check Leakage Recheck Reset LED blink6 Heavy Repair k c e h c e R r i a p e R y v a e H Replace Driver PCB Comp Work Comp Check Refrigerant leak IPM output 80V 20 Refrigerant leak Recheck Fix ...

Страница 46: ... Check A There is PC Board located in the PCB case The control driver is PC board for the compressor This step shows the source voltage of the driver PC board Step1 Open PCB Cover Step2 Check Driver PCB 46 ...

Страница 47: ...rip Check B2 Compressor Doesn t work Y N Compressor Works Intermittently Capacitor Spec Check C Compressor Damage Check C Replace Capacitor Replace Compressor N N Reset Power Stroke Trip Occur Y Repeat Check Procedure Harness Connecting Check C Fix Harness N N Cycle Check E Fix Cycle Replace Driver PCB OK NG Purpose Prevent abnormally long piston strokes Case 1 If compressor doesn t work and LED b...

Страница 48: ...f and tries to restart within 2 5 minutes B4 LED blinks six times then repeats Current Trip A E Inverters Blink Blink Blink Blink Blink Blink OFF Protection logic Check B Blink 6 time Current Trip Check B4 Compressor Intermittently works Y Capacitor Spec Check C2 Compressor Damage Check C3 Replace Capacitor Replace Compressor NG NG Reset Power Y Current trip Occur Y Repeat Check Procedure IPM Chec...

Страница 49: ...on Trip Check B5 Compressor Doesn t work Y N Repeat Check Procedure Replace Drive PCB N Y Check IPM visual inspection turn off Short Test Point A Power Reset Compressor Damage Check C3 Replace Compressor NG Y Modify Purpose Prevent high current due to IPM Short Cause Damaged IPM Dead Short Test for a dead short at Point A with a VOM Logic Compressor is forced off and tries to restart in 20 minutes...

Страница 50: ...ting OK Problem A B Check Capacitor Spec Resistance at Point B 6 8ohm Resistance at Point D 6 8ohm Replace Compressor Problem B D Check wiring to compressor Y N N Y Y Y N N Check Compressor terminals Harness Problem Y N Y Measure the 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 Caution Turn...

Страница 51: ...ut with the refrigerant at leak point Temp of compressor and discharge line is normal to slightly higher High 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 Over charging Refrigerant Low side Refrigeratio...

Страница 52: ...leshooting Step 1 Open PWB cover Step 2 Check for blinking frequency of LED PWB If compressor is normal it does not blink Refer to the next page to find out what actions to take according to how many times LED blink 52 ...

Страница 53: ...he second action replace compressor Circuit over current error Or cycle error 1 After resetting power check if it is running normal 2 If the same symptom arises after the first action 3 If the same symptom arises after the second action replace compressor PCB parts defect IPM 1 After resetting power check if it is running normal 2 If the same symptom arises after the first action replace PCB 1 LED...

Страница 54: ... 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 the ...

Страница 55: ... of the Refrigerant MOISTURE CLOG Cooling operation stops periodically Flowing sound of refrigerant is not heard and frost melts Lower than ambient temperature Cooling operation restarts when heating the inlet of the capillary tube CLOGGED BY DUST COMP RESSION Freezer and Refrigerator don t cool Low flowing sound of refrigerant is heard and frost forms in inlet only A little higher than ambient te...

Страница 56: ... 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 has ...

Страница 57: ...tating ice ejection motor in normal and reverse direction and eject ice into the ice bucket if ice bucket is not full Conduct Ice Making Control after supplying water into the ice maker cube mould by operating water valve This is for refrigerator assembly line and service When ice making test switch is pressed it operates in the following steps initial ice ejection water supply control steps 1 Tur...

Страница 58: ...tion control is completed and ice maker mould is even 2 The quantity of water supplied is determined by DIP switch and time 3 If water supply quantity setting is changed while power is on water supplies for the amended time If DIP switch is changed during water supply water shall be supplied for the previous setting time But it will supply for the amended time from the next supply 4 When water sup...

Страница 59: ...direction If there is no change in Hall IC signals within 1 minute after ice ejection motor operates ice ejection motor stops as ice ejection motor or hall IC is out of order 5 If ice ejection motor or Hall IC is abnormal ice ejection motor rotates in normal direction to exercise initial operation It resets the ice maker if ice ejection motor or Hall IC is normal 6 The mould stops for 1 second at ...

Страница 60: ...d conditions Water shall be splashed if test switch is pressed before the water in the mould freezes Water shall be supplied while the mould returns to the horizontal conditions after ice ejection Therefore the problems of ice ejection returning to the horizontal conditions and water supply can be checked by test switch When test function performs normally buzzer sounds and water supply shall carr...

Страница 61: ...62H 313A 262B B02 106A 315A 103C S01 407B 610E 500A 411A 103A 103B 315B 315B 315C 315C S20 329C 319A 319C 309B 420A 503C 106A 207B 207A 402A 402A 312C B01 271B S03 S01 S01 B04 302B 408A 323B 300A 314A 105A 318A 317A 312A 310B 405F 404A 405C 405B 329A 135C 610C 332A 120A 282G 145A 282F 406B 207C 503E 409D 410G 501F 303A 304A 303C 500P 316A 316B 316A 316B 332C S16 B02 610F 503F 158B 409E ...

Страница 62: ...FREEZER PARTS CAUTION Use the part number to order part not the position number 145F 133B 136B 136A 133A 145C 136C 237C ...

Страница 63: ...TOR PARTS CAUTION Use the part number to order part not the position number 141C 141C 141C 154A 151B 161A 162B 146E 151A 161B 145D 141B 141E 141A 141B 141E 141A 141B 141E 141A 141B 141C 141E 141A 162A 161C 141D ...

Страница 64: ... position number 241D 203A 201A 212D B06 B06 250B 250B 249F 250A 249G 249E 249J 253A 200A 249H 249K 241D 241E 241D 241D 241D 241E 241C 241B 241A 233B 231B 235A B06 B06 243C 243B B06 243A 243E 233A 231A 212G B06 262C 262C 243D 230A 230B 262E 267A 244A 244A 132P 132P ...

Страница 65: ...WATER AND ICEMAKER PARTS CAUTION Use the part number to order part not the position number 619A 627A 600B 600F ...

Страница 66: ......

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