Kenmore 795.72032 Service Manual Download Page 70

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14. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM

14-1 FUNCTION

14-1-1 Function

1. When the appliance is plugged in, it is set to 37°F for Refrigerator and 0°F for freezer.

You can adjust the Refrigerator and the Freezer control temperature by pressing the ADJUST button.

2. When the power is initially applied or restored after a power failure, it is set to Control temperature Previously.
3. If you do not press any button after turning on the power, only the water, Ice type, lock Icon that has been selected will

be turned on and all other LEDs on the Dispenser Panel will be turned off Within 60 seconds. (Power Save Mode)

4. If you press a button, only the water, Ice type, lock Icon that has been selected will be turned on and all other LEDs on

the Dispenser Panel will be turned off Within 20 seconds. (Power Save Mode)

14-1-2 How to Toggle the Display between °F & °C

1. The initial 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 Alarm/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 control buttons,
and the dispenser are deactivated.

4. To release from the locked state, press and hold the LOCK

button again for 3 seconds.

5. If you don

’

t hold the Alarm/Lock button more than 3 seconds,

Alarm function will be changed and alarm for opened door will be on/off
same as alarm icon indicating.

14-1-4 Filter condition display function

1. There is a replacement indicator light for the filter

cartridge on the dispenser.

2. Water filter needs replacement once six months or of

using water filter.

3. When the Water Filter Icon lights on, you must exchange

the filter.

4. After replacing the filter, press and hold the lock

button for more than 3 seconds .
After then water Filter icon turn off with reset status.

Ex) In selecting

"LOCK"

Ex) In selecting

"LOCK" again

In initial Power On

/ Filter RESET

Filter Status

Display

Classification

Appliantology.org

Summary of Contents for 795.72032

Page 1: ...CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL Model s REFRIGERATOR SERVICE MANUAL 795 72033 795 72039 795 72032 795 72036 795 72034 P No MFL62188049 Appliantology org ...

Page 2: ...OOTING 20 ERROR CODE SUMMARY 20 7 PCB PICTURE 21 22 MAIN PCB 21 DISPLAY PCB SUB PCB 22 8 TROUBLESHOOTING WITH ERROR DISPLAY 23 31 9 TROUBLESHOOTING WITHOUT ERROR DISPLAY 32 40 10 REFERENCE 41 44 11 COMPONENT TESTING INFORMATION 45 53 12 COMPRESSOR TROUBLESHOOTING 54 65 13 OPERATION PRINCIPLE AND REPAIR METHOD OF ICEMAKER 66 69 ICEMAKER S BASIC OPERATING METHOD 66 ICE MAKER FUNCTIONS 67 TROUBLE SHO...

Page 3: ...on is intended for use by individuals possessing adequate backgrounds of electrical electronic and mechanical experience Any attempt to repair 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 Temperat...

Page 4: ...Open Height to Top of Case Height to Top of Door Hinge Width Width door open 90 deg w o handle Width door open 90 deg w handle A B C D E F G H I 34 1 4 in 31 3 4 in 27 7 8 in 46 1 2 in 68 3 8 in 69 3 4 in 35 3 4 in 39 1 4 in 44 1 4 in Description 795 7203 Appliantology org ...

Page 5: ... Door Basket Dairy Bin Water Tank Cover Articulating Mullion I J K L M N O A B F O D D N G H I L M E C D J K Use this page to become more familiar with the parts and features Page references are included for your convenience NOTE This guide covers several different models The refrigerator you have purchased may have some or all of the items listed below The locations of the features shown below ma...

Page 6: ...ift 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 hinge lever latch 5 4 ...

Page 7: ...oor Gasket 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 Appliantology org ...

Page 8: ...the Fan Motor and Bracket BRACKET MOTOR Ice fan assembly GRILLE FAN FAN MOTOR Ice Fan Scroll Assembly Replacement 1 Remove the plastic guide for slides on left side by unscrewing phillips head screws 2 Pull the grille forward as shown in the second picture 3 Disconnect wire harness of the grille 4 Remove the scroll assembly by loosening all screws 3 4 3 5 DEFROST CONTROL ASSEMBLY Defrost Control a...

Page 9: ...plug refrigerator power cord from outlet 2 Remove screw with driver 3 Grasp the cover Lamp pull the cover downward 3 6 2 Freezer Compartment Lamp 4 As shown 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 PW...

Page 10: ...NT 1 Pull 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 an...

Page 11: ... Duct Motor 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 han...

Page 12: ... pull 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 Appliantology org ...

Page 13: ... handles 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 Appliantology org ...

Page 14: ...uide rails 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 Appliantology org ...

Page 15: ...l 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 other...

Page 16: ...lp Then 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 ...

Page 17: ...ail Next gently lift the rear left and right sides of the drawer and pull it out To reinstall pull out both rails to full extension Insert the end of rib in the bracket at left and right Making sure that the guides at the front are lined up properly gently push down on both sides Bracket Appliantology org ...

Page 18: ...M is LOW 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 ...

Page 19: ... 19 5 CIRCUIT DIAGRAM 19 Appliantology org ...

Page 20: ...on 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 or water input or low water pressure Error of flow meter or water input or low wat...

Page 21: ... 21 7 PCB Picture 7 1 Main PCB P No MFG EBR73304201 2011 03 Picture CON1 CON5 CON7 CON201 CON2 CON3 Appliantology org ...

Page 22: ... 22 7 2 Display PCB Sub PCB P No Display PCB EBR65768602 2011 03 Sub PCB EBR60070704 2011 03 Picture CON2 CON1 CON103 CON102 CON101 Appliantology org ...

Page 23: ...8 1 Freezer Sensor Error Er FS No 1 2 Checking flow Check for a loose connection Check the Blue White to Blue White at CON7 on the main PCB Result SVC Action CON7 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 30 23 17 13 10 8 The sensor is determined by the temperature For example 23 indicates 4 F Appliantology org ...

Page 24: ...efrigerator Sensor Error Er rS No 1 2 Checking flow Check for a loose connection Check the White to White at CON7 on the main PCB Result SVC Action 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 30 24 19 5 16 The sensor is determined by the temperature For example 30 indicates 32 F CON7 Appliantology org ...

Page 25: ...C Action No 1 2 Checking flow Check for a loose connection Check the Blue to Blue of Ice maker connection 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 30 23 17 13 10 8 The sensor is determined by the temperature For example 23 indicates 4 F CON101 Display CON101 Appliantology org ...

Page 26: ...or Error F dS No 1 2 Checking flow Check for a loose connection Check the Orange to Orange Result SVC Action Check the Brown to Brown at CON7 on the main PCB 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 30 24 19 5 16 The sensor is determined by the temperature For example 30 indicates 32 F Appliantology org ...

Page 27: ...w Check the Door gasket Check the Defrost control part 3 Input Test 3 Mode Push the button 3 times 4 Check the Blue Pin4 to Orange Pin9 at CON3 on the main PCB Result SVC Action Def Heater Fust M Def Sensor 5 Release the test mode push the button 1 times normal CON3 Result 112 116 V 0 V SVC Action Go to the 5 Replace Main PCB 6 Check the Blue Pin4 to Orange Pin9 at CON3 on the main PCB Result 0 V ...

Page 28: ...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 Status No windy Windy SVC Action Go to 3 Go to 4 CON7 1 Pin8 2 Pin10 3 Pin12 Appliantology org ...

Page 29: ...n error code is displayed the fan is not working 3 Check the Connector Frozen caused the PCB short Result SVC Action Status No windy Windy SVC Action Go to the 3 4 Go to the 5 4 Check the Fan motor Frozen Lock ect 5 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 CON7 1 Pin1 2 Pin3 3 Pin5 Appliantology org ...

Page 30: ... 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 Status No windy Windy SVC Action Go to the 3 Go to the 4 Below 7 V 0 or 5 V 2 3 1 3 Change the PCB Change the motor Point Result SVC Action CON7 1 Pin2 2 Pin4 3 Pin6 Appliantology org ...

Page 31: ...hite Red to White Black CON101 3 Check the Orange to White Red Result 0 V or 5 V Other SVC Action Change the Display PCB Go to the 4 4 Check the White Black to White 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 customer CON101 Display CON...

Page 32: ...tance value CON1 CON3 Ice Maker AC Indoor Motor Dispenser Motor 2 1 3 4 Pushing Not pushing 112 115 V Other 0 2 V Other Go to the 3 Change Dispenser PCB Go to the 3 Change Dispenser PCB Ice Button Result SVC Action Pushing Not pushing 9 12 V Other 0 2 V Other Go to the 4 Change Dispenser PCB Go to the 4 Change Dispenser PCB Ice Button Result SVC Action 1 to 2 3 to 4 31 1 42 1 Ω Other 9 9 12 1 Ω Ot...

Page 33: ... CON3 Ice Maker AC Indoor Motor Dispenser Motor 2 1 3 4 1 to 2 3 to 4 31 1 42 1 Ω Other 9 9 12 1 Ω Other Explain Replace Geared Motor Explain Replace Geared Motor Point Result SVC Action Pushing Not pushing 112 115 V Other 0 2 V Other Go to the 3 Change Dispenser PCB Go to the 3 Change Dispenser PCB Ice Button Result SVC Action Pushing Not pushing 9 12 V Other 0 2 V Other Go to the 4 Change Dispen...

Page 34: ...Valve In door 1 to 2 3 to 4 360 420Ω Other 360 420Ω Other Explain Replace Pilot Valve Explain Replace Water Valve Point Result SVC Action 1 2 Dispenser Ice Maker Pushing Not pushing 112 115 V Other 0 2 V Other Go to the 3 Change Dispenser PCB Go to the 3 Change Dispenser PCB Ice Button Result SVC Action Pushing Not pushing 9 12 V Other 0 2 V Other Go to the 4 Change Dispenser PCB Go to the 4 Chang...

Page 35: ...Check the Blue to Black Normal Push S W 0Ω not Infinity Go to the 3 Change door S W Go to the 3 Change door S W Status Result SVC Action Closed Open 5V Other 0V Other Go to the 4 Change the Door S W Go to the 4 Change the Door S W Status Result SVC Action Closed Open 0 2V Other 115V Other Explain to customer Change the Main PCB Change the F Lamp Change the main PCB Status Result SVC Action CON7 CO...

Page 36: ... Open 0 2V Other 12V Other Explain to customer Change the Door S W Explain to customer Change the LED Lamp Status Result SVC Action Normal Push S W 0Ω Other Infinity Other 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 Action 5 ...

Page 37: ... determined by the temperature For example 30 indicates 32 F Result SVC Action Temperature 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C Result 38 30 24 19 5 16 Status Windy No windy SVC Action Go to the 4 Check the F Fan motor Check the Damper Go to the 5 4 Check the air temperature Cold or not Status Cold Not cold SVC Action Explain to customer Check the Compressor And sealed system CON7 Applia...

Page 38: ...mode Closed Open Not working Damper is normal Go to the 7 Change the damper Damper state SVC Action Test Mode 1 To 2 3 To 4 270 330 Ω Other 270 330 Ω Other It s normal Change damper It s normal Change damper Result SVC Action Test Point CON7 1 Pin8 2 Pin10 3 Pin12 Sticky Motor Change the motor Point Result SVC Action 7 Check the F Fan motor voltage Below 7 V 0 or 5 V 2 3 1 3 Change the Main PCB Ch...

Page 39: ...F Sensor is determined by the temperature For example 23 indicate 4 F Result SVC Action 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 30 23 17 13 10 8 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 CON7 Applianto...

Page 40: ...Action 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 more time Status Windy No windy SVC Action Go to the 5 It s normal 5 Check the damper resistance CON7 Temperature 23 F 5 C 32 F 0 C 41 F 5 C 50 F 10 C 59 F 15 C Result 38 30 24 19 5 16 1 4 3 2 1 To 2 3 To 4 270 330 Ω Other 270 330 Ω Other It ...

Page 41: ... 1 How to 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 AC TPA DC TPA Appliantology org ...

Page 42: ...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 Appliantology org ...

Page 43: ...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 Appliantology org ...

Page 44: ... 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 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...

Page 45: ... 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 Check...

Page 46: ...ce 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 Appliantology org ...

Page 47: ... 47 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 Appliantology org ...

Page 48: ...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 Appli...

Page 49: ...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 Appliantology org ...

Page 50: ...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 resista...

Page 51: ...e 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 the 1 ...

Page 52: ... 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 Appliantology org ...

Page 53: ...nction 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 Appliantology org ...

Page 54: ...ink2 LED blink6 Reset Reset Reset Reset LED blink 1 LED blink 7 Replace PCB Comp Check Replace 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 Heavy Repair Recheck Replace PCB Comp Work Comp Check Refrigerant leak IPM output 80V 20 Refrigerant leak Recheck Fix Harness Comp Work C...

Page 55: ...5 12 1 Check A There is PCB located in the PCB case The control driver is PCB for the compressor This step shows the source voltage of the driver PCB Step1 Open PCB Cover Step2 Check PCB Appliantology org ...

Page 56: ... Check B2 Compressor Doesn t work Y N Compressor Works Intermittently Capacitor Spec Check C Comp 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 Check D Rework Cycle Replace Driver PCB OK NG Purpose Prevent abnormally long piston strokes Case 1 If compressor doesn t work and LED blinks Cause ...

Page 57: ...f and tries to restart within 2 5 minutes B4 LED blinks six times then repeats Current Trip A Inverter 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 C Comp Damage Check C Replace Capacitor Replace Compressor NG NG Reset Power Y Current trip Occur Y Repeat Check Procedure IPM Check B5 Y Repl...

Page 58: ... Compressor Work N Y Repeat Check Procedure Replace PCB NG OK Check IPM visual inspection turn off Short Test Point A Power Reset Compressor Damage Check C3 Replace Compressor NG OK 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 Appliantology org ...

Page 59: ...lem A B Check A B Check Capacitor Spec Resistance at Point B 6 8ohm Resistance at Point D 6 8ohm Replace Compressor Problem B D Check B C D Check wiring to compressor OK NG N OK 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...

Page 60: ...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...

Page 61: ...tep 1 Open PCB cover Step 2 Check for blinking frequency of LED On the main PCB 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 Appliantology org ...

Page 62: ...ond 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 five ...

Page 63: ...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 unit p...

Page 64: ...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 RESTRICTION COMP RESSION Freezer and Refrigerator don t cool Low flowing sound of refrigerant is heard and frost forms in Evaporator inlet only A little higher than ambi...

Page 65: ...st 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 ha...

Page 66: ...r 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 Switch Ice Tray Ic...

Page 67: ... 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 How long has customer waited for ice...

Page 68: ...ollow 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 Ice dete...

Page 69: ...d 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 Ices In th...

Page 70: ...3 Alarm 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 o...

Page 71: ...PM of 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 hig...

Page 72: ...for more 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 t...

Page 73: ...icing 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 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 o...

Page 74: ... 1 Part No MFL62188049 VALVE WATER TUBE PARTS 617A 625A 616G 623B 616J 616G 623B 616J 603C 616D 616D S31 616F 627B S31 619E 627A S31 603B 619A Appliantology org ...

Page 75: ...20A 120B 282G 145A S08 610D 500A 410G 411A 313A 410J S02 271D S10 610A 145B S12 S12 105A 318A 316A 314A 300A 303C 304A 303A 317A 310B 312A 262H 250F 406B B02 S14 249D 249C B02 S14 262B 302B 400A 316B 408A 329A S16 407A 332C 610C S17 103C 315A 315C 315B 405B 405C 404A 405F 407B 106A 106A 315B 315C B01 S14 158A 503D 409D 503E 500P 409B 146G 158B 312C 323B 329C 319A 319C 309B 420A S20 Appliantology o...

Page 76: ... 3 CASE PARTS Appliantology org ...

Page 77: ... 4 CASE PARTS Appliantology org ...

Page 78: ... 5 FREEZER PARTS CAUTION Use the part number to order part not the position number 250C 145C 250D 145G 145J 145K 136B 250E 250D 250C 145M 145J 145H 136A 237C 145F 131A Appliantology org ...

Page 79: ... 6 REFRIGERATOR PARTS 141A 141B 141C 141A 141B 141C 154A 151B 161A 162A 145D 162B 146E 151A 161B 161C 141D 141C 141B 141A 141A 141B 141C Appliantology org ...

Page 80: ...er 233B 231B 235A B06 B06 243C 244A 243B B06 243D 243A 262E 244A 233A 231A 212G B06 619B 603B 603C 262C 262C 615A 312B 241A 241B 241C 241E 241D 241D 203A 201A 200A 212D B06 B06 250B 250B 249H 249G 249K 249J 249E 249F 205B 205A 205C 241G 241K 241K 267A 250A 253A Appliantology org ...

Page 81: ... 8 DOOR PARTS Appliantology org ...

Page 82: ... 9 DISPENSER PARTS 405A 278D 279J 278C 402C 276B 275A 276A 278B 278F 279A 501A 500C 281A 276F 276G 278A Appliantology org ...

Page 83: ... 10 ICE MAKER ICE BANK PARTS 600A 630F 630B 630A 630H 630G 630C 630Q 630E 630D 611A 612A 630J 606A 630J 607A Appliantology org ...

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