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1. SPECIFICATIONS

1-1

LFXS28566*

DOOR DESIGN

DIMENSIONS (inches)

NET WEIGHT (pounds)

COOLING SYSTEM

TEMPERATURE CONTROL

DEFROSTING SYSTEM

DOOR FINISH

HANDLE TYPE

INNER CASE

INSULATION

ITEMS

Side Rounded

35

3/4

X 36

1/4

X 69

3/4

(WXDXH) 2

7

.7cu.ft.

143kg (316lb)

Fan Cooling

Micom Control

Full Automatic

Heater Defrost

PCM, Stainless

Bar

ABS Resin

Polyurethane Foam

SPECIFICATIONS

●

2

8

cu.ft.

VEGETABLE TRAY

COMPRESSOR

EVAPORATOR

CONDENSER

REFRIGERANT

LUBRICATING OIL

DEFROSTING DEVICE

ITEMS

Clear Drawer Type

Linear

Fin Tube Type

Sparial Condenser

R-134a (140 g)

ISO10 (280 ml)

SHEATH HEATER

LED Module(20)

LED

SPECIFICATIONS

LAMP

REFRIGERATOR

FREEZER

●

DIMENSIONS

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Содержание LFXS28566 Series

Страница 1: ...ans publication modification copying or transmission of this Service Manual is STRICTLY PROHIBITED unless you have obtained the prior written consent of the LG Electronics entity from which you received this Service Manual The material covered by this prohibition includes without limitation any text graphics or logos in this Service Manual Copyright 2016 2017 LG Electronics Inc All rights reserved...

Страница 2: ...AWER REMOVAL 16 4 ADJUSTMENT 17 5 CIRCUIT DIAGRAM 18 6 TROUBLESHOOTING 19 7 PCB PICTURE 20 21 8 TROUBLESHOOTING WITH ERROR DISPLAY 22 30 9 TROUBLESHOOTING WITHOUT ERROR DISPLAY 31 39 10 REFERENCE 40 43 11 COMPONENT TESTING INFORMATION 44 52 12 COMPRESSOR TROUBLESHOOTING 53 64 13 ICEMAKER OPEARTING AND TROUBLE SHOOTING METHOD 65 68 14 DESCRIPTION OF FUNCTION CIRCUIT OF MICOM 69 72 SAFETY PRECAUTION...

Страница 3: ...3 4 WXDXH 27 7cu ft 143kg 316lb Fan Cooling Micom Control Full Automatic Heater Defrost PCM Stainless Bar ABS Resin Polyurethane Foam SPECIFICATIONS 28 cu ft VEGETABLE TRAY COMPRESSOR EVAPORATOR CONDENSER REFRIGERANT LUBRICATING OIL DEFROSTING DEVICE ITEMS Clear Drawer Type Linear Fin Tube Type Sparial Condenser R 134a 140 g ISO10 280 ml SHEATH HEATER LED Module 20 LED SPECIFICATIONS LAMP REFRIGER...

Страница 4: ...s Crisper Fixed Door Bin Auto Closing Hinge In Door Ice Bin Door in Door Case Cheese Butter and Condiment Bins Adjustable Refrigerator Shelf Modular Door Bin Glide N Serve Pullout Drawer Durabase and Durabase Divider 4 ...

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

Страница 6: ...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 ...

Страница 7: ... 7 ...

Страница 8: ...fter cutting the Tie Wrap Figure 13 Figure 12 Figure 13 GRILLE ASSEMBLY DEFROST CONTROL ASSEMBLY 3 4 Door Alignment If the space between the door are uneven follow the instructions to align them Remove the Base Grillie Turn the leveling legs counter clock wise to raise or clock wise to lower the height of the front of the refrigerator by using flat blade screw driver or 11 32 wrench Use the wrench...

Страница 9: ... 5 Replace LED assembly 6 Assembly the cover in reverse order 4 Remove the LED assembly from connector LAMP Unplug or disconnect power at the circuit breaker If necessary remove top shelf or shelves Refrigerator Compartment Lamp 1 Pull out cover lamp as using sharp edged tool 2 To remove the LED assembly LED Assembly Figure 17 Figure 14 MULTI DUCT 1 Removethe screw at the Center of Duct Multi 2 Re...

Страница 10: ...1 0 3 8 MAIN PWB 1 Loosen 3 screws on the PWB cover 2 Remove the PWB cover 3 Disconnect wire harness and replace the main PWB in the reverse order of removal 3 9 DISPLAY PCB Figure 20 Figure 21 Figure 22 ...

Страница 11: ... the hinge with one hand 3 Pull out the Ice Corner Door with the other hand hinge 3 11 ICEMAKER REPLACEMENT 1 Remove 4 screws as shown 2 Grasp the bottom of motor cover assembly and pull slowly 3 Disconnect wire harness from wall of compartment In door motor Figure 32 Figure 35 Figure 33 Figure 34 ...

Страница 12: ... duct and the link for proper fit Link Duct Door Cap Duct Motor NG Position 2 Unscrew 3 screws to disassemble the motor 4 Insert 2 screws 5 Push housing aside CAUTION Make sure that the motor housing is taped to the mold if not positioned correctly the cover will not fit properly Figure 36 Figure 43 Figure 42 Figure 41 Figure 40 Figure 39 ...

Страница 13: ... handles as shown 2 Tilt and lift slightly as shown 3 18 HOW TO INSERT A ICE BIN 1 Insert the Ice Bin slightly tilting to avoid touching the Icemaker Especially Ice Detecting Sensor 3 Remove ice bin slowly Figure 44 Figure 45 Figure 46 Figure 47 ...

Страница 14: ...from 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 15: ... Reinstall 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 ...

Страница 16: ... from the valve 2 Remove cover and 1 screw from the valve 3 Separate the housing and remove the valve 4 Remove the clip and press the collet to separate the tube from the connector Note there maybe some water in the line Mechanical Cover Housing Figure 60 Figure 61 Figure 62 Figure 63 3 22 ...

Страница 17: ...7 3 23 Drawer Removal Fully extend the drawer and lift from the front pulling straight out To install the drawer back into the frame tilt the front sightly and pushingt back into place Figure 66 Figure 67 ...

Страница 18: ...le box 1 While the refrigeration chamber doors are open wide remove all of the Magic Space cover and shelves Refer to page 27 28 2 Remove left right side vegetable chambers 3 Support the bottom of the shelf with one hand and hold the front of the vegetable chamber with the other hand and pull forward about 3cm while lifting the chamber so that the inner side fixing part can be taken out Leftside e...

Страница 19: ...For every 416 7us check whether FO signal is LOW The trip occurs if it is found three times during the five periods 83ms 4 ADJUSTMENT 4 1 1 Role 4 1 COMPRESSOR The compressor intakes low temperature and low pressure gas from the evaporator of the refrigerator and compresses this gas to high temperature and high pressure gas It then delivers the gas to the condenser 4 1 2 Note for Usage 1 Be carefu...

Страница 20: ...r 6 PBB PBDE 并且要完全符合LG 61 A 9101基准 MEZ66414011 Label Circuit 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 FU LED LAMP R LED LAMP YL YL WH 7 YL WH BN YL WATER PIPE HEATER 1 RD WH BL WH 2 CON103 CON802 4 PK BO SB WH 3 2 1 WI FI MODEM BK RD chauffage à l eau MEZ66414011 PR RD SB BK BETA DUCT HEATER beta du chauffage ...

Страница 21: ...re Fuse Disconnection Heater disconnection DRAIN Jam Poor Relay for Heater 8 Ice maker kit defect It Other Electric system error such as moter gear Hall IC operation circuit within I M kit When the ice does not drop even when the I M Test S W is pressed 9 Flow Meter Sensor Defect gF Error of flow meter or water input or low water pressure Error of flow meter or water input or low water pressure or...

Страница 22: ... P N EBR841464 7 PCB Picture 7 1 Main PCB 7 2 Display PCB P N EBR838450 CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 CON102 CON101 CON103 CON802 ...

Страница 23: ... P N EBR76468403 7 PCB Picture 7 3 Sub PCB CON1 CON2 ...

Страница 24: ...8 Trouble Shooting 8 1 Freezer Sensor Error FS E CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 Resistance Ω CON7 17th pin 20th pin Short 0 Open OFF Other Normal CON7 17th pin 20th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 5ºF 15ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k ...

Страница 25: ...es 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 CON7 17th pin 20th 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 CON7 ...

Страница 26: ... Sensor Resistance 8 2 Refrigerator Sensor Error rS E CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 Resistance Ω CON7 15th pin 18th pin Short 0 Open OFF Other Normal CON7 15th pin 18th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k ...

Страница 27: ...Sensor 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 CON7 15th pin 18th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON7 ...

Страница 28: ...Resistance Resistance Ω CON5 15th pin 17thpin Short 0 Open OFF Other Normal 8 3 Icing Sensor Error IS E CON5 15thpin 17th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 13ºF 25ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 ...

Страница 29: ...s 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 CON5 15thpin 17th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 13ºF 25ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k CON5 ...

Страница 30: ...eck Sensor Resistance 8 4 Defrost Sensor Error dS F CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 Resistance Ω CON7 19th pin 22th pin Short 0 Open OFF Other Normal CON7 19th pin 22th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k ...

Страница 31: ...istance Is resistance 0Ω Sensor short or resistance Infinity Ω Sensor open Yes No Change the Sensor 3 Check the Sensor resistance Is resistance normal Yes 4 Check the Temperature and resistance refer to the table No problem Yes 5 Explain to customer CON7 19th pin 22th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON7 Change Main PCB No ...

Страница 32: ...Symptom Check Point 1 It E 1 Check the Ice maker rotation 2 Check the motor voltage 8 5 Ice Maker Motor Error It E CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 ...

Страница 33: ...the ice maker forward status The voltage 1 2 point 11 12V Yes OR Change the Ice maker kit 3 Check the ice maker reverse status The voltage 1 3 point 11 12V Yes Change the Ice maker kit 4 Check the ice maker forward status The voltage 1 2 point 0V Yes Change the Main PCB 5 Check the ice maker reverse status The voltage 1 3 point 0V Yes No Change the Main PCB OR OR ...

Страница 34: ...rol part 3 Check the PCB output voltage Part Resistance Ω FUSE M 0 Defrost Heater 34 42 Defrost Sensor 22k 8 6 Defrost Heater Error dH F TEST MODE 3 Voltage V CON3 2nd pin 9th pin 112V 116V TEST MODE 1 Voltage V CON3 2nd pin 9th pin 0V CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 ...

Страница 35: ...es Change Defrost Heater 4 Check the Heater Voltage Is voltage 112V 116V Yes 3 Check the Defrost control part Is Defrost Sensor resistance 22kΩ or OFF OFF 22kΩ Replace product Input Test 3 Mode Push the button 3 times Replace Main PCB NO TEST MODE 3 Voltage V CON3 2nd pin 9th pin 112V 116V 5 Check the Heater Voltage Is voltage 0V Yes Input Test 1 Mode Push the button 1 times Replace Main PCB No 6 ...

Страница 36: ...eck the Fan Motor 3 Check the PCB Fan motor voltage 8 7 Freezer Fan Error FF E TEST MODE 1 Voltage V CON7 12th pin 14th pin 12V CON7 16th pin 14th pin 0V Voltage 5V CON7 10th pin 14th pin 0V Voltage 5V Fan Motor CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 ...

Страница 37: ...ticky 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 CON7 12thpin 14th pin 12V 5 Check the Fan Motor voltage Is Fan control signal voltage between 0V and 5V No Replace Main PCB No 7 Explain to customer CON7 CON7 TEST MODE 1 Voltage V CON7 10th pin 14th pin 0V Voltage 5V Check the Fan Motor voltage Is F...

Страница 38: ...ow 2 Check the Connector 3 Check the PCB Fan motor voltage 8 8 Icing Fan Error IF E Fan Motor TEST MODE 1 Voltage V CON7 3rd pin 5th pin 12V CON7 7th pin 5th pin 0V Voltage 5V CON7 1st pin 5th pin 0V Voltage 5V CON6 CON1 CON201 CON5 CON7 CON2 CON3 ...

Страница 39: ...ODE 1 Voltage V CON7 7th pin 5th pin 0V Voltage 5V 4 Check the Fan Motor voltage Is Fan Motor voltage 12V Yes Replace Main PCB No TEST MODE 1 Voltage V CON7 3rd pin 5th pin 12V 5 Check the Fan Motor voltage Is Fan control signal voltage between 0V and 5V No Replace Main PCB No 7 Explain to customer CON7 CON7 TEST MODE 1 Voltage V CON7 1st pin 5th pin 0V Voltage 5V Check the Fan Motor voltage Is Fa...

Страница 40: ... 2 Check the Connector 3 Check the PCB Fan motor voltage 8 9 Condenser Fan Error CF E Fan Motor TEST MODE 1 Voltage V CON7 4th pin 6th pin 12V CON7 8th pin 6th pin 0V Voltage 5V CON7 2nd pin 6th pin 0V Voltage 5V CON6 CON1 CON201 CON5 CON7 CON2 CON3 ...

Страница 41: ... 8th pin 6th pin 0V Voltage 5V 4 Check the Fan Motor voltage Is Fan Motor voltage 12V Yes Replace Main PCB No TEST MODE 1 Voltage V CON7 4th pin 6th pin 12V 5 Check the Fan Motor voltage Is Fan control signal voltage between 0V and 5V No Replace Main PCB No 7 Explain to customer CON7 CON7 TEST MODE 1 Voltage V CON7 2nd pin 6th pin 0V Voltage 5V Check the Fan Motor voltage Is Fan feed back voltage ...

Страница 42: ...ection 2 Check the Hinge connection 8 10 Communication Error CO E Voltage V CON101 7th pin 6th pin 12V CON101 5th pin 6th pin Not 0V 5V CON101 4th pin 6rd pin Not 0V 5V CON5 3th pin 6th pin 5V Display CON6 CON1 CON201 CON5 CON7 CON2 CON3 CON101 CON101 ...

Страница 43: ...voltage Is CON101 5th pin 6th pin voltage 0V or 5V Yes No Housing Voltage V CON101 5th pin 6th pin Not 0V 5V Change the Main PCB 4 Check the voltage Is CON101 4th pin 6th pin voltage 0V or 5V Yes No Housing Voltage V CON101 4th pin 6th pin Not 0V 5V Change the Display PCB 5 Check the voltage Is CON5 4th pin 6th pin voltage 0V or 5V Yes No Housing Voltage V CON5 4th pin 6th pin Not 0V 5V Change the...

Страница 44: ...eck Point 1 Cube mode doesn t work 1 Check the loose connection 2 Check the resistance 8 11 Cube mode doesn t work Ice Maker Geared Motor Dispenser Motor CON1 CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 CON2 BK SB ...

Страница 45: ... mode doesn t work LEVER S W Voltage V CON2 4th pin A Pushing 112 115V Not Pushing 0 2V CON1 3rd pin 13th pin Pushing 9 12V Not Pushing 0 2V Resistance Ω Geared Motor 31 1 42 1 Dispenser Motor 9 9 12 1 CON1 CON2 ...

Страница 46: ...e pushing the lever S W Is voltage correct compared with table No Yes LEVER S W Voltage V CON3 3rd pin 13th pin Pushing 9 12V Not Pushing 0 2V Change the PCB 4 Check the resistance value Is Geared Motor resistance 144 176Ω No Yes Replace Geared Motor Resistance Ω Geared Motor 31 1 42 1 5 Check the resistance value Is Dispenser Motor resistance 9 9 12 1Ω No Yes Replace Geared Motor Resistance Ω Dis...

Страница 47: ...ck Point 1 Crush mode doesn t work 1 Check the loose connection 2 Check the resistance 8 12 Crush mode doesn t work Ice Maker Geared Motor Dispenser Motor CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 CON1 CON2 BK SB ...

Страница 48: ... mode doesn t work Resistance Ω Geared Motor 31 1 42 1 Dispenser Motor 9 9 12 1 CON1 CON2 LEVER S W Voltage V CON2 12th pin A Pushing 112 115V Not Pushing 0 2V CON1 3rd pin 13th pin Pushing 9 12V Not Pushing 0 2V ...

Страница 49: ...nge the PCB 4 Check the resistance value Is Geared Motor resistance 87 107Ω No Yes Replace Geared Motor Geared Motor Resistance Ω Geared Motor 31 1 42 1 5 Check the resistance value Is Dispenser Motor resistance 9 9 12 1Ω No Yes Replace Geared Motor Dispenser Motor Resistance Ω Dispenser Motor 9 9 12 1 LEVER S W Voltage V CON2 12th pin A Blue Pushing 112 115V Not Pushing 0 2V CON2 A LEVER S W Volt...

Страница 50: ...esn t work 1 Check the loose connection 2 Check the resistance valve 8 13 Water mode doesn t work LEVER S W Voltage V CON2 11th pin A Pushing 112 115V Not Pushing 0 2V Resistance Ω Pilot Valve 360 420 Water valve 360 420 CON1 CON2 CON2 A ...

Страница 51: ... PCB 3 Check the resistance value Is Pilot Valve resistance 360 420 Ω No Yes Replace Water Valve Pilot Valve Resistance Ω Pilot Valve 360 420 4 Check the resistance value Is Water Valve resistance 360 420 Ω No Yes Replace Water Valve Water Valve Resistance Ω Water valve 360 420 CON2 A LEVER S W Voltage V CON2 11th pin A Blue Pushing 112 115V Not Pushing 0 2V ...

Страница 52: ...witch sticky 2 Check the door S W resistance 3 Check the LED Lamp 8 14 Refrigerator room lamp doesn t work S W Resistance Ω Door Open Infinity Close 0 Voltage V CON7 33th pin 34th pin 12V Door S W LED Lamp Voltage V White Yellow Closed 0 2V Open 12V CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 ...

Страница 53: ...tage V CON7 33th pin 34th pin 12V 2 Check the door S W resistance Is it correct compared with table No Yes Change the Door S W Door S W 3 Check the PCB Voltage Is CON7 33th pin 34th 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 CON7 ...

Страница 54: ...eck the door S W resistance 3 Check the LED Lamp 8 15 Freezer room upper lamp doesn t work S W Resistance Ω Door Open Infinity Close 0 Voltage V CON7 31th pin 32th pin 12V F Door LED Lamp Voltage V Open White Black 12V Close White Black 0 2V F U LED PCB Door S W CON6 CON1 CON201 CON4 CON5 CON7 CON2 CON3 ...

Страница 55: ...he LED Lamp voltage Is voltage 12V While door open No Yes Change the LED Lamp Voltage V CON7 31th pin 32th pin 12V 2 Check the door S W resistance Is it correct compared with table No Yes Change the Door S W Door S W 3 Check the PCB Voltage Is CON7 31th pin 32th pin voltage 12V No Yes Change the PCB CON6 S W Resistance Ω Door Open Infinity Close 1 ...

Страница 56: ...r cooling in Fresh food section CON7 15th pin 18th 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 Duct Fan Motor TEST MODE 1 Voltage V CON7 12th pin 14th pin 12V CON7 16th pin 14th pin 0V Voltage 5V CON7 10th pin 14th pin 0V Voltage 5V CON6 CON1 CON201 CON5 CON7 CON2 CON3 R Sensor F Fan motor ...

Страница 57: ...oor and Check the air flow Damper No Yes Check the damper Go to 5 4 Check the air temperature Is it cold No Yes Check the Compressor and sealed system 5 Check the Fan Motor voltage Is Fan Motor voltage right 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 TEST MODE 1 Voltage V CON7 12th pin 14th pin 12V CON7 16th pin 14th pin 0V ...

Страница 58: ...r cooling in Freezer compartment Duct Fan Motor CON7 17th pin 20th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 13ºF 25ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k TEST MODE 1 Voltage V CON7 12th pin 14th pin 12V CON7 16th pin 14th pin 0V Voltage 5V CON7 10th pin 14th pin 0V Voltage 5V CON6 CON1 CON201 CON5 CON7 CON2 CON3 F Sensor F Fan motor Duct Status Air Flow Windy Air Temperatur...

Страница 59: ... 1 Check the sensor resistance 3 Open the fresh food door and Check the air flow Windy No Yes Check the F Fan Motor Go to 5 4 Check the air temperature 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 2 Reset the unit and Input Test1 Mode Push the button 1 time ...

Страница 60: ...ace Main PCB No 7 Check the Fan Motor voltage Is Fan Feed Back voltage right Yes Change the motor No 8 Explain to customer TEST MODE 1 Voltage V CON7 12th pin 14th pin 12V CON7 16th pin 14th pin 0V Voltage 5V TEST MODE 1 Voltage V CON7 10th pin 14th pin 0V Voltage 5V ...

Страница 61: ...r cooling in Freezer compartment Duct Fan Motor CON7 17th pin 20th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 13ºF 25ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k TEST MODE 1 Voltage V CON7 12th pin 14th pin 12V CON7 16th pin 14th pin 0V Voltage 5V CON7 10th pin 14th pin 0V Voltage 5V CON6 CON1 CON201 CON5 CON7 CON2 CON3 F Sensor F Fan motor Duct Status Air Flow Windy Air Temperatur...

Страница 62: ...2ºF 0ºC 8k Over cooling in Freezer compartment 1 Check the sensor resistance 2 Check the air flow in test mode 1 3 Push the button 1 or 3 time 3 Check the Fan motor Rotate fan using hand It feel sticky Yes Change the Fan motor Fan Motor No 4 Change the Main PCB Test1 Air Flow Test3 No Air Flow NG OK Explain to customer ...

Страница 63: ...he Main PCB 2 Check the Home Bar Heater Part Resistance Ω Defrost Heater 1912 2314 8 18 Home Bar Heater do not work TEST MODE 3 Voltage V CON3 7th pin 10th pin 112V 116V TEST MODE 1 Voltage V CON3 7th pin 10th pin 0V CON6 CON1 CON201 CON5 CON7 CON2 CON3 ...

Страница 64: ...onnect the housing 4 Check the Heater Voltage Is voltage 112 116V Yes 3 NO Change The door Input Test 3 Mode Push the button 3 times Replace Main PCB NO TEST MODE 3 Voltage V CON3 7th pin 10th pin 112V 116V 5 Check the Heater Voltage Is voltage 0V Yes Input Test 1 Mode Push the button 1 times Replace Main PCB No 6 Explain to customer Check Heater part Heater resistance 1912 2314 Ω Yes ...

Страница 65: ...om Check Point 1 Hygiene fan doesn t work 1 Check Hygiene Fan motor voltage 2 Main PCB 8 19 Hygiene fan doesn t work Voltage V CON6 2nd pin 5th pin 12V Hygiene Fan motor CON6 CON6 CON1 CON201 CON5 CON2 CON3 ...

Страница 66: ...PCB 3 Check the Hygiene voltage Is voltage 12V While door open No Yes Change the Fan motor Voltage V CON6 2nd pin 5th pin 12V 2 Is the connector loose Yes No Connect the housing Choose the Hygiene Max in display Check the PCB Voltage Is CON6 2nd pin 5th pin voltage 12V ...

Страница 67: ...esn t work 1 Check connector 2 Display PCB 3 Wi Fi modem PCB 8 20 Wi Fi modem doesn t work Wi Fi ON Voltage V CON802 1st pin 4th pin 5V CON802 2nd pin 4th pin Not 0V 5V CON802 3rd pin 4th pin Not 0V 5V Display PCB CON802 CON802 Wi Fi PCB ...

Страница 68: ...i Fi function is on No Yes Change the display 2 Check the Wi Fi PCB output While Wi Fi function is on No Yes Choose the connectors in the display and lead wire Is it loose Wi Fi modem Voltage V 5th pin 6th pin Not 0V 5V Change Wi Fi modem Display CON802 Voltage V 1st pin 4th pin 5V 2nd pin 4th pin Not 0V 5V CON802 ...

Страница 69: ...PA 1 How to enter the TEST MODE Push the test button on the Main PCB to enter the TEST MODE 2 How to remove Terminal Position Assurance TPA 1 time Comp Damper All FAN on Everything is 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 ...

Страница 70: ...F 5 C 32 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 73 29 53 63 39 66 29 62 22 33 16 99 13 05 10 10 7 88 6 19 4 91 3 91 3 14 2 54 2 07 1 69 1 39 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 ...

Страница 71: ... C 32 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 ...

Страница 72: ... there is a fan motor malfunction this process is repeated 3 times If the fan motor is determined to be defective the error code will be shown in the display for 30 minutes At this point the process will be repeated until the fan motor operates normally If normal operation is achieved the error display is erased and the MICOM is reset automatically No signal Error Display 15s 10s 15s 10s 15s Norma...

Страница 73: ...t 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 if infinite the part is bad 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 good When check the ohm at other temperatures Check the sensor manual Standard...

Страница 74: ...esistance 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 if the ohm meter indicate infinity the Sheath heater is bad Standard Sheath heater at all temperature Test Point 1 to 2 Ressult 34 42Ω 1 2 ...

Страница 75: ... 75 11 3 Door Heater Assembly 1 9 2 2KΩ ...

Страница 76: ...DC 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 ...

Страница 77: ...Result 31 1 42 09Ω 31 1 42 09Ω Separate the 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 Separate the housing Measure the resistance between 1 and 3 1 2 ...

Страница 78: ...the damper is closed the chill rooms temperature 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 to see if there is electrical current if there is resistance the damper is good 1 Blue 3 White 1 3 Check the 1 2 Check the 3 4 1 BLUE 2 WHITE 3 YELLOW 4 RED ...

Страница 79: ...ensor 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 30 kΩ ...

Страница 80: ...nk record LED blink record LED blink record Reset 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 IP...

Страница 81: ...ge between the POWER and COMM pins of the connector as shown below 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 to operate wait 10 minutes before checking The compressor is operating normally if the voltage is gr...

Страница 82: ... 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 blinks Cau...

Страница 83: ... off and tries to restart within 2 5 minutes B4 LED blinks six times then repeats Current Trip 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 Check B5 Y Repl...

Страница 84: ...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 seconds A ...

Страница 85: ...ecting 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 μ Caution ...

Страница 86: ...ow out 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 Refriger...

Страница 87: ...ARNING HIGH VOLTAGE 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 LED Lamp ...

Страница 88: ... 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 five time repetiton Piston Lock Trip on on on on on off on on on on on off repeating 2 LED six time repetiton Current Trip on on on on on on off on on on on on...

Страница 89: ...led properly 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 n...

Страница 90: ...ing 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...

Страница 91: ...Test 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 ...

Страница 92: ...N Supply water to the ice tray by operating the solenoid valve To force water to supply to the ice tray or check icemaker s condition press and hold the FILL Key for about 3seconds In the test mode The icemaker will run through 3 stages step by step Harvest Fill water Ice making To reset the icemaker s operation set the power switch OFF position and back it to ON position Icemaker Unit Power Switc...

Страница 93: ...e passed to make one series of ices after water comes into icemaker Test Mode should not be carried out before checking below 13 2 3 Fill Park Position Once the normal harvest mode has been completed the water solenoid will be activated Not making ice Water Yes Yes No No No Temperature Time Is Icemaker s tray filled with water or Ice Is measured temperature below 10 F in the icemaker compartment H...

Страница 94: ...agnosed Follow the procedure step by step to check to see if icemaker and Ice detecting sensor is working normally 1st STEP Icemaker Unit Diagnosis Press the fill key for about 3sec If the icemaker runs 2 stages of harvest and filling water step by step It means icemaker s mechanism is normal Caution Be sure that the ice tray is not filled with water before pressing fill key Icemaker Unit Fill Key...

Страница 95: ...arm air could get into the compartment and make ices get stuck Replace the cap duct with new one In door geared motor doesn t work Resolution Change the in door geared motor and test it The water comes out of fill cup and the water get into the ice bin Resolution The water pressure from shutoff valve is too high Recommend to use regulator to the customer and close the shutoff valve slightly Clogge...

Страница 96: ... setting is F and the display temperature mode can be changed from F to C or C to F by pressing and holding the FRZ TEMP and the REF TEMP keys at the same time for over 5 seconds 14 1 3 Lock function dispenser and display button lock 1 When the refrigerator is first turned on the buttons are not locked LOCK is deactivated with no light on 2 To lock the display the dispenser and the control panel p...

Страница 97: ...ion press Ice plus Energy saving Button for more than 3 seconds 6 We recommend using energy saving function when you go out for quite a long time and are out of the rainy season 14 1 6 Dispenser use selection You can select water or ice by separated pad switch When you press ice type button ice type will be changed Crush or Cube Hold your cup in the dispenser for a few seconds after dispensing ice...

Страница 98: ...ear the filter installed on the multi duct is turned on when the R door is opened and off when closed 14 1 8 AUTO Mode 1 Fan installed on the multi duct on the rear side of the filter operates 2 Fan is repeatedly turned on for 10 minutes and then off for 5 minutes for 4 hours and then automatically switches over to AUTO Mode 3 If the R door is opened while the fan is operating the fan will be turn...

Страница 99: ...after the balance of the delay time 6 For the rest of the 23 hours the Ice room will be controlled at the lowest temperature 14 1 14 How to set the display mode and cancel it 1 With the refrigerator door open keep pressing the Refrigerator Temp Button and ICE PLUS Button more than 5 seconds then it goes to the display mode with Special Beep Sound With Special Beep Sound 2 Perform the same way agai...

Страница 100: ...lly start upon the selected Auto Pantry temperature control 2 You can adjust the Pantry control with three different temperature ranges by pressing the Temp Selector button 14 1 16 Defect Diagnosis Function 1 Automatic diagnosis makes servicing the refrigerator easy 2 When a defect occurs the buttons will not operate but the tones such as ding will sound 3 When the defect CODE removes the sign it ...

Страница 101: ... 405H 405P 332C 405C 405F 407A 315B 106A 106A 249C 249D 317A 318A 312C 303A 404A 146G 315B 315C B01 410J 105A 271D 406D B01 207A 329A 313A 410G 411A 500A S10 610E 262B 262H 302B 406B CASE PARTS CAUTION Use the part number to order part not the position nu mber 250F 400A 316A 316B 402A 402A 610F 610D 626A 624G 624C 145B 120B 150D 120A 158B 158D ...

Страница 102: ...133B 131A 133B 145F 133B 136B 136A 133A 132P 145C 136C 237C FREEZER PARTS CAUTION Use the part number to order part not the position nu mber ...

Страница 103: ...REFRIGERATOR PARTS CAUTION Use the part number to order part not the position nu mber 141A 141A 139A 140A 162A 145D 162B 146C 151A 151B 161C 141D 146B ...

Страница 104: ...mber 250W 312F 207D 281H 281H 232A 281B 631A 241B 241B 241A 241E 233A 241J 402A 231C S14 243A 406F 243K 241C 241C 233C 241M 279M 271E 212G 231A 244F 406E B06 276D 406H 406J S14 406I 262F 203A 206L 206K 212D B06 B06 200A 201A 243B 615A 243C 619B 262C 241K 241K 241K 241G 312B 231B 233B 235A 244A 409B 158C B02 245A ...

Страница 105: ...DISPENSER PARTS CAUTION Use the part number to order part not the position nu mber 405A 276A 279H 279J 402C 406A 503A 275A 612B 612C ...

Страница 106: ...617A VALVE WATER TUBE PARTS C AU TI O N U se t he par t num ber t o or der par t not t he posi t i on nu m ber 625A 616J 623B 616J 627B 623B 616H 627A 619A 616H ...

Страница 107: ...ICE MAKER ICE BIN PARTS CAUTION Use the part number to order part not the position number 600A 630F 630B 630A 630H 630G 630C 630Q 630E 630D 611A 612A 630J 606A 630J ...

Страница 108: ...Jun 2017 Printed in China ...

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