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13-3-2 Icemaker not making ice or not making enough ice

(Icemaker Unit & Ice-detecting sensor Diagnosis)

Icemaker Unit and Ice-detecting sensor Diagnosis

The icemaker unit and Ice-detecting sensor is programmed for diagnostics.
Follow the procedure step by step to check to see if icemaker and Ice-detecting sensor is working normally.

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.

※

NOTE : tray is tilted slightly during most of the freeze cycle.

Caution : Be sure that the ice tray is not filled with water before pressing fill key.

Icemaker Unit

Fill Key

Ice-detecting sensor

https://appliancetechmanuals.com

Содержание 795.70332410

Страница 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Model s REFRIGERATOR SERVICE MANUAL 795 70332 410 795 70333 410 795 70339 410 https appliancetechmanuals com ...

Страница 2: ...HOD OF ICEMAKER 71 74 ICEMAKER S BASIC OPERATING METHOD 71 ICE MAKER FUNCTIONS 72 TROUBLE SHOOTING ICE WATER SYSTEM ISSUES 72 14 DESCRIPTION OF FUNCTION CIRCUIT OF MICOM 75 78 FUNCTION 75 15 EXPLODED VIEW 79 88 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...

Страница 3: ...epair a major appliance may result in personal injury and property damage The manufacturer or seller cannot be responsible for the interpretation of this information nor can it assume any liability in connection with its use 1 3 ELECTRICAL SPECIFICATIONS Temperature Control Freezer Compartment 6 F to 8 F Defrost Control Total Comp Running Time 7 hrs 50 hrs Defrost Thermistor 46 F Electrical Rating...

Страница 4: ...Durabase https appliancetechmanuals com ...

Страница 5: ... 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 hinge 4 free of hin...

Страница 6: ...sket Removal 2 Lift pillar 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 pillar into channel Inserting pillar assy into bracket door Pillar Replacement 1 Connect wire harness 3 Assemble 2 screws https appliancetechmanuals com ...

Страница 7: ...he height of the front of the refrigerator by using flat blade screw driver or 11 32 wrench Use the wrench Included with the User Manual to adjust the bolt in the door hinge to adjust the height CW to raise or CCW to lower the height The Left refrigerator door has an adjustable nut located on the bottom hinge to raise and lower them to align properly If the space between your doors is uneven follo...

Страница 8: ...its temperature At 46 F 8 C it turns the Defrost Heater off Fuse M is a safety device for preventing over heating of the Heater when defrosting 1 Pull out the grille assembly Figure 4 2 Separate the connector with the Defrost Control assembly and replace the Defrost Control assembly after cutting the Tie Wrap Figure 5 Figure 4 Figure 5 GRILLE ASSEMBLY DEFROST CONTROL ASSEMBLY https appliancetechma...

Страница 9: ...below use a flat tool to remove the cover lamp 3 7 MULTI DUCT 1 Remove the upper and lower Caps by using a flat screwdriver and remove 2 screws Figure 6 2 Disconnect the lead wire on the bottom position 3 8 MAIN PWB 1 Loosen 3 screws on the PWB cover Figure 6 2 Remove the PWB cover 3 Disconnect wire harness and replace the main PWB in the reverse order of removal 8 1 Unplug refrigerator power cord...

Страница 10: ...ll up and out on the dispenser cover to remove 2 Remove 2 screws 3 Disconnect the wire harness 4 Replace in reverse order 3 Hold the bottom side of the Cover Assembly dispenser as shown in the picture and pull and remove it The cover dispenser is attached with a hook CAUTION When replacing the dispenser cover in the reverse order of removal be careful that the lead wire does not come out and the w...

Страница 11: ...otor 2 Unscrew 3 screws to disassemble the motor 4 Assemble on the screws 5 Contract the Housing 3 When replacing to a new Motor always check position of the Duct Door and Link to install the Motor Link Duct Door Cap Duct Motor 3 15 ICE CORNER DOOR REPLACEMENT 1 Loosen the front screw as shown in the picture 2 Lift up the hinge with one hand 3 Pull out the Ice Corner Door with the other hand hinge...

Страница 12: ...it out slowly 3 Disconnect wire harness from wall of compartment In door motor CAUTION Make sure that the wire harness shown below is positioned properly in the clips on the back of the cover and taped in place If this harness is loose it will not allow the motor housung assembly to fit flush to the door liner https appliancetechmanuals com ...

Страница 13: ...es as shown in the picture 2 Lift the lower part slightly 3 18 HOW TO INSERT THE ICE BIN 1 Insert the Ice Bin slightly tilting it to avoid touching the Icemaker Especially Ice Detecting Sensor 3 Take the Ice Bin out slowly https appliancetechmanuals com ...

Страница 14: ...ils one from each side Step 5 Remove only 1 screw of gear ice and disassemble the bar and gear ice 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 https appliancetechmanuals com ...

Страница 15: ...tall 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 Push the otherside of the gear ...

Страница 16: ... press the collet to separate the tube from the connector and pour out the water until emptied Cover Back M C Housing MOTOR COVER 2 Pull and separate the FAN ASSEMBLY and MOTOR turning counterclockwise based on the MOTOR SHAFT The assembly is in the reverse order of the disassembly and take special care for the following details 1 Be careful not to bend the tube during assembly 2 Press the WATER D...

Страница 17: ... 17 3 22 FREEZER DRAWER 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 https appliancetechmanuals com ...

Страница 18: ...r Baskets of Homebar are removable for easy cleaning and adjustment 1 To remove the Door Baskets of Homebar simply lifts the Door Baskets of Homebar up and pulls straight out 2 To replace the Door Baskets of Homebar slides it in above the desired support and push down until it snaps into place NOTE Some Door Baskets of Homebar may vary in appearance and will only fit in one location The Home Bar i...

Страница 19: ... Cover 2 Remove two Wire connectors 3 Rotate the hinge lever clockwise 5 Pull THE DOOR FOAM ASSEMBLY REFRIGERATOR up and out 4 Separate the Home Bar 3 23 4 HOW TO REMOVE AND REINSTALL THE HOMEBAR DOOR 1 Remove three Screws on the Top of Frame Door 2 Pull Frame Door up and out https appliancetechmanuals com ...

Страница 20: ... 20 3 25 HOW TO REMOVE FRAME DOOR SWITCH OF DOOR FOAM 1 Remove Cap Cover on Cap assembly Décor 2 Remove a wire connecting for change https appliancetechmanuals com ...

Страница 21: ...ocated on the top of hinge 2 Remove the cap hinge upper 4 Pull out the bar thought the top hinge 3 Remove the bar by pushing it up from the bottom through the SVC hole bottom hinge Cap Hinge Upper 5 Separate the Cover Bar SVC Hole https appliancetechmanuals com ...

Страница 22: ...OW For every 416 7 check whether FO signal is LOW The trip occurs if it is found three times during the five periods 83ms 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 careful not to all...

Страница 23: ... 23 5 CIRCUIT DIAGRAM https appliancetechmanuals com ...

Страница 24: ...s not over 46 F 8 C it is caused Temperature Fuse Disconnection Heater disconnection DRAIN Jam Poor Relay for Heater 8 Ice maker kit defect Er 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 same as model applied Twisting Ice Maker before 9 Flow Meter Sensor Defect Er gF Error of flow meter ...

Страница 25: ...7 PCB Picture 7 1 Main PCB 7 2 Display PCB P N EBR747964 CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 P N EBR65768604 EBR65768614 https appliancetechmanuals com ...

Страница 26: ... P N EBR60070712 34 7 PCB Picture 7 3 Sub PCB CON2 CON1 https appliancetechmanuals com ...

Страница 27: ...N7 15th pin 16th pin Short 0 Open OFF Other Normal 8 Trouble Shooting 8 1 Freezer Sensor Error Er FS CON7 15th pin 16th pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 5ºF 15ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 28: ...e 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 15th pin 16th 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 https appliance...

Страница 29: ...nce Resistance Ω CON7 13th pin 14th pin Short 0 Open OFF Other Normal 8 2 Refrigerator Sensor Error Er rS CON7 13th pin 14th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 30: ...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 CON7 13th pin 14th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON7 https appliancetechmanual...

Страница 31: ...ON5 15th pin 17th pin Short 0 Open OFF Other Normal 8 3 Icing Sensor Error Er IS 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 CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 R R Door ICE Room https appliancetechmanuals com ...

Страница 32: ...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 1stpin 2nd pin Resistance Ω 22ºF 30ºC 40k 13ºF 25ºC 30k 4ºF 20ºC 23k 13ºF 25ºC 17k 14ºF 10ºC 13k 23ºF 5ºC 10k 32ºF 0ºC 8k https appliancetechm...

Страница 33: ...stance Resistance Ω CON7 17th pin 18h pin Short 0 Open OFF Other Normal 8 4 Defrost Sensor Error Er dS CON7 17th pin 18th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 34: ...nge 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 17th pin 18th pin Resistance Ω 23ºF 5ºC 38k 32ºF 0ºC 30k 41ºF 5ºC 24k 50ºF 10ºC 19 5k 59ºF 15ºC 16k Deforest SNR Fuse M Deforest Heater ht...

Страница 35: ...Symptom Check Point 1 Er It 1 Check for a loose connection 2 Check Sensor Resistance 8 5 Ice Maker Motor Error Er It CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 36: ...orward 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 https appliancetechmanuals com ...

Страница 37: ... the PCB output voltage Part Resistance Ω FUSE M 0 Defrost Heater 34 42 Defrost Sensor 22k 8 6 Defrost Heater Error Er dH TEST MODE 3 Voltage V CON3 2nd pin 9th pin 112V 116V TEST MODE 1 Voltage V CON3 2nd pin 9th pin 0V CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 38: ...r Voltage Is voltage 220 240V 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 Explain to customer Deforest SNR Fuse M Def...

Страница 39: ... 2 Check the Fan Motor 2 Check the PCB Fan motor voltage 8 7 Freezer Fan Error Er FF TEST MODE 1 Voltage V CON7 10th pin 12th pin 8 12V CON7 8th pin 12th pin Not 0V 5V Fan Motor CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 40: ...ltage 8 12V 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 CON7 10thpin 12th pin 8 12V 5 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V No Change the motor Yes 6 Explain to customer CON7 CON7 https appliancetechmanuals com ...

Страница 41: ...ow 2 Check the Connector 2 Check the PCB Fan motor voltage 8 8 Icing Fan Error Er IF TEST MODE 1 Voltage V CON7 3rd pin 5th pin 8 12V CON7 1st pin 5th pin Not 0V 5V Fan Motor CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 42: ...ltage 8 12V 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 CON7 3rd pin 5th pin 8 12V 5 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V No Change the motor Yes 6 Explain to customer CON7 CON7 https appliancetechmanuals com ...

Страница 43: ... 2 Check the Connector 2 Check the PCB Fan motor voltage 8 9 Condenser Fan Error Er CF TEST MODE 1 Voltage V CON7 4th pin 6th pin 8 12V CON7 2nd pin 6th pin Not 0V 5V Fan Motor CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 44: ...V 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 CON7 4th pin 6th pin 8 12V 5 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V No Change the motor Yes 6 Explain to customer Fan Motor CON7 CON7 https appliancetechmanuals com ...

Страница 45: ...onnection 8 10 Communication Error Er CO Voltage V CON101 5rd pin 6th pin 12V CON101 4th pin 5th pin Not 0V 5V CON101 5st pin 3rd pin Not 0V 5V CON5 4th pin 6th pin Not 0V 5V CON5 4th pin 8th pin Not 0V 5V CON1 CON201 CON4 CON5 CON6 CON7 CON2 CON3 https appliancetechmanuals com ...

Страница 46: ...or 5V Yes No Housing Voltage V CON101 4th pin 5th pin Not 0V 5V Change the Main PCB 4 Check the voltage Is CON101 5st pin 3rd pin voltage 0V or 5V Yes No Housing Voltage V CON101 5st pin 3rd 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 CON5 Change the Main PCB 6 Check the voltage Is CON5 4t...

Страница 47: ... 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 CON201 CON4 CON5 CON6 CON7 CON2 CON3 Dispenser Sub PCB https appliancetechmanuals com ...

Страница 48: ...rk LEVER S W Voltage V CON2 3rd pin 4th pin Pushing 112 115V Not Pushing 0 2V CON1 3rd pin CON1 13th pin Pushing 9 12V Not Pushing 0 2V Resistance Ω Geared Motor 31 1 42 1 Dispenser Motor 9 9 12 1 https appliancetechmanuals com ...

Страница 49: ...he lever S W Is voltage correct compared with table No Yes LEVER S W Voltage V CON1 3rd pin CON1 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 Dispenser...

Страница 50: ... 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 CON4 CON5 CON6 CON7 CON2 CON3 CON1 CON201 Dispenser Sub PCB https appliancetechmanuals com ...

Страница 51: ...rk Resistance Ω Geared Motor 31 1 42 1 Dispenser Motor 9 9 12 1 LEVER S W Voltage V CON2 3rd pin 12th pin Pushing 112 115V Not Pushing 0 2V CON1 3rd pin CON1 13th pin Pushing 9 12V Not Pushing 0 2V https appliancetechmanuals com ...

Страница 52: ...the lever S W Is voltage correct compared with table No Yes LEVER S W Voltage V CON1 3rd pin CON1 13th pin Pushing 9 12V Not Pushing 0 2V Change 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...

Страница 53: ... the resistance valve 8 13 Water mode doesn t work LEVER S W Voltage V CON2 2nd pin 11th pin Pushing 112 115V Not Pushing 0 2V CON3 2nd pin 11th pin Pushing 112 115V Not Pushing 0 2V Resistance Ω Pilot Valve 360 420 Water valve 360 420 Dispenser Sub PCB https appliancetechmanuals com ...

Страница 54: ...g 0 2V Change the PCB 3 Check the resistance value Is Pilot Valve resistance 360 420 Ω No Yes Replace Pilot 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 LEVER S W Voltage V CON3 2nd pin 11th pin Pushing 112 115V Not Pushing 0 2V Dispenser Sub PCB https appl...

Страница 55: ...itch sticky 2 Check the door S W resistance 3 Check the LED Lamp 8 14 Refrigerator room lamp doesn t work Resistance Ω Door S W Door Close 0 Door Open Infinity Voltage V CON6 20th pin 15th pin 12V Door S W LED Lamp Voltage V Blue Black Closed 0 2V Open 12V CON6 https appliancetechmanuals com ...

Страница 56: ... Is it correct compared with table No Yes Change the Door S W Door S W 3 Check the PCB Voltage Is CON6 20th pin 15th 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 Resistance Ω Door S W Door Close 0 Door Open Infinity https appliancetech...

Страница 57: ...the door S W resistance 3 Check the LED Lamp 8 15 Freezer room lamp doesn t work F room LED PCB Door S W CON6 Resistance Ω Door S W Normal 0 Push S W Infinity Voltage V CON6 19th pin 17th pin 12V F Switch LED Lamp Voltage V Push Red WH White 12V No Push Red WH White 0 2V https appliancetechmanuals com ...

Страница 58: ...s voltage 12V While door open No Yes Change the LED Lamp Resistance Ω Door S W Normal 0 Push S W Infinity Voltage V CON6 19th pin 17th 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 CON6 19th pin 17th pin voltage 12V No Yes Change the PCB CON6 https appliancetechmanuals com ...

Страница 59: ...or voltage 8 16 Poor cooling in Fresh food section CON7 13th pin 14th 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 TEST MODE 1 Voltage V CON6 10th pin 12th pin 8 12V CON6 8th pin 12th pin Not 0V 5V R Damper R Sensor Duct Fan Motor F Fan motor https appliancetechmanuals com ...

Страница 60: ...od door 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 TEST MODE 1 Voltage V CON7 8th pin 12th pin Not 0V 5V 5 Check the Fan Motor voltage Is Fan Motor voltage 8 12V Yes Replace Main PCB No TEST MODE 1 Voltage V CON7 10thpin 12th pin 8 12V 6 Check the Fan Motor voltage Is Fan Feed Back voltage 0V 5V...

Страница 61: ... motor voltage 8 17 Poor cooling in Freezer compartment Duct Duct Status Air Flow Windy Air Temperature Cold Fan Motor CON7 15th pin 16th 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 10th pin 12th pin 8 12V CON7 8th pin 12th pin Not 0V 5V F fan motor F Sensor https appliancetechmanuals com ...

Страница 62: ...nsor resistance 2 Reset the unit and Input Test1 Mode Push the button 1 time 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 https appliancetechmanuals com ...

Страница 63: ...k the Fan Motor voltage Is Fan Motor voltage 8 12V Yes Replace Main PCB No TEST MODE 1 Voltage V CON7 10thpin 12th pin 8 12V 7 Check the Fan Motor voltage Is Fan Feed Back voltage 1 5V No Change the motor Yes 8 Explain to customer https appliancetechmanuals com ...

Страница 64: ... motor voltage 8 17 Over cooling in Freezer compartment Duct Duct Status Air Flow Windy Air Temperature Cold Fan Motor CON7 15th pin 16th 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 10th pin 12th pin 8 12V CON7 8th pin 12th pin Not 0V 5V F fan motor F Sensor https appliancetechmanuals com ...

Страница 65: ... 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 https appliancetechmanuals com ...

Страница 66: ...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 PCB A P T C D A P T C A https appliancetechmanuals com ...

Страница 67: ...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 https appliancetechmanuals com ...

Страница 68: ... 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 https appliancetechmanuals com ...

Страница 69: ...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 3hours 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 drive No signa...

Страница 70: ...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 Check the ...

Страница 71: ... 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 38 But the ohmmeter indicate infinitely great Sheath heater is disconnection Standard Sheath heater at all temperature Test Point 1 to 2 Ressult 34 42 1 2 https appliancetechmanuals com ...

Страница 72: ... 52 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 1 9 2 2 1 2 https appliancetechmanuals com ...

Страница 73: ...g 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 0 Push the button Plunger None Button Plunger 1 2 3 4 3 4 2 1 1 2 3 4 https applian...

Страница 74: ...on 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 1 1 2 https appliancetechmanuals com ...

Страница 75: ... 20 42 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 resistance between ...

Страница 76: ... rise How to Measure Damper Circuit extension Check the Standard Damper Test Points Red and Yellow Result 373 456 Test Points Blue and White Result 373 456 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 the 1 3 3 Yell...

Страница 77: ... 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 https appliancetechmanuals com ...

Страница 78: ...set 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 Harness...

Страница 79: ...cated in the PCB case The control driver is PC board for the compressor This step shows the source voltage of the driver PC board Driver PCB located in machine room Step1 Open PCB Cover Step2 Check Driver PCB https appliancetechmanuals com ...

Страница 80: ... 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 Cause ...

Страница 81: ...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 Check B5 Y Repla...

Страница 82: ... 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 A https appliancetechmanua...

Страница 83: ...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 off power during check C Because of ambient tempera...

Страница 84: ...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 Refrigeration leak Locke...

Страница 85: ...tep 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 https appliancetechmanuals com ...

Страница 86: ...tion 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 five time r...

Страница 87: ... 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 unit positio...

Страница 88: ...igerant 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 temperature Lo...

Страница 89: ...one 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 been operati...

Страница 90: ...he 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 Switch Ice Tray Ice dete...

Страница 91: ...r needs below 0 F to drop ices to ice bin 13 3 Trouble Shooting Ice Water system Issues 13 3 1 Icemaker not making ice or not making enough ice Environmental Diagnosis Not making ice Water Yes Yes No No No Temperature Time Is the icemaker s tray filled with water or Ice Is the temperature below 10 in the icemaker compartment Advise the customer on how long it takes to make ice 4 Check for Kinked w...

Страница 92: ...heck 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 NOTE tray is tilted slightly during most of the freeze cycle Caution Be sure that the ice tray is not filled with water before pressing fill key Icemake...

Страница 93: ... 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 Clogged I...

Страница 94: ...m Lock function dispenser and display button lock 1 When the refrigerator is first turned on the buttons are not locked LOCK is deactivated with light off 2 To lock the display the dispenser and the control panel press and hold the LOCK button for 3 seconds LOCK is activated with light on 3 The LOCK button is the only control feature that remains active in the locked state The buzzer sound other c...

Страница 95: ...the freezer fan motor change from normal speed to high 4 High speed 2700RPM Initial power on or load corresponding operation Ultra Ice Normal speed 2400RPM General working conditions 14 1 8 Cooling Fan Motor 1 The cooling fan is switched ON and OFF in conjunction with the compressor 2 The cooling fan Motor has high and standard speeds When room temper rapture more high then 38 C speed is high 3 Th...

Страница 96: ...e than 30 minutes Ultra ICE will run for 40 minutes after the defrost is completed 3 If Ultra ICE is pressed during defrost Ultra ICE Icon is on but this function will start seven minutes after defrost is completed and it shall operate for one hours 4 If Ultra Ice is selected within seven minutes after compressor has stopped the compressor compressor delays seven minutes shall start after the bala...

Страница 97: ...he 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 returns to normal operation RESET 4 The defect CODE shows on the Refrigerator and Freezer Display LED check function If simultaneously pressing Ultra Ice button and freezing temperature adjustment button for a second display LED graphics on If re...

Страница 98: ...617A 625A 616G 623B 616J 616G 623B 616J 616D 616D 616F 627B 627A 619A 603B VALVE WATER TUBE PARTS https appliancetechmanuals com ...

Страница 99: ... 406D 207B 610D 500A 410G 271D S10 610A 145B S01 271B 402A 603E 603C 626A 624E 624G 624C 282F 120A S08 503D 409D 503E B01 B01 411A 624A S03 S03 120B S01 282G 145A 313A 105A 318A 314A 300A 303C 317A 310B 312A 302B 408A 329A 407A 332A 103C 315A 315C 315B 405B 405C 404A 405F 407B 106A 315B 315C 312C 323B 329C 319A 319C 309B 420A 610E 332C 503F 158B 409E https appliancetechmanuals com ...

Страница 100: ...https appliancetechmanuals com ...

Страница 101: ...https appliancetechmanuals com ...

Страница 102: ...FREEZER PARTS CAUTION Use the part number to order part not the position number 145F 133B 136B 136A 133A 145C 136C 237C https appliancetechmanuals com ...

Страница 103: ...REFRIGERATOR PARTS 141C 141B 141E 141A 141E 141C 141C 141B 141A 141B 141E 141A 141B 141C 141E 141A 154A 151B 161A 162A 145D 162B 146E 151A 161C 161B 141D https appliancetechmanuals com ...

Страница 104: ...53A 132P 132P DOOR PARTS CAUTION Use the part number to order part not the position number 230B 262E 267A 241A 241B 232A 281H 207D 241B 250W 312F 312E 631A 312G 281B 281H 241N 212G 231A B06 B06 244F 406E 241E 231C 233C 279L 241C 241F 232B 233A 271E 241M 241J 402A S14 243A 406F S14 S08 S03 276D 406H 406J S14 406I 262F 243K 230A https appliancetechmanuals com ...

Страница 105: ...DOOR PARTS https appliancetechmanuals com ...

Страница 106: ...DOOR PARTS https appliancetechmanuals com ...

Страница 107: ...DISPENSER PARTS 279J 279A 405A 278D 278C 402C 276B 275A 276A 276F 276G 278A 278B 278F 500C 281A 501A 279C https appliancetechmanuals com ...

Страница 108: ...ICE MAKER ICE BANK PARTS 600A 630F 630B 630A 630H 630G 630C 630Q 630E 630D 611A 612A 630J 606A 630J 607A https appliancetechmanuals com ...

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