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KitchenAid KBFA20ER, Technical Education

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KitchenAid KBFA20ER Technical Education Download Page 44

4-22

REMOVING THE POWER SUPPLY CORD

Electrical Shock Hazard

Disconnect power before servicing.
Replace all parts and panels before    
operating.
Failure to do so can result in death or 
electrical shock.

1.  Unplug refrigerator or disconnect power.
2.  Pull the refrigerator away from the wall so 

that you can access the rear of the unit.

3.  Remove  the  six  hex-head  screws  from 

the unit compartment cover. Remove the 
cover  and  slide  the  power  supply  cord 
strain relief out of the slot in the cover.

  Cover Screws

  Power Supply Cord

4.  Release  the  locking  arms,  and  discon-

nect  the  power  supply  cord  connector 
from the main harness.

5.  Remove  the  hex-head  screw  from  the 

green ground wire and remove the power 
supply cord.

  Ground Screw

  Power Supply Cord Connector

Summary of Contents for KBFA20ER

Page 1: ...TECHNICAL EDUCATION JOB AID 4317387 KAR 16 FRENCH DOOR BOTTOM MOUNT REFRIGERATOR Models KBFA20ER KBFA25ER ...

Page 2: ...Refrigerator The Wiring Diagrams used in this Job Aid are wtypical and should be used for training purposes only Always use the Wiring Diagram supplied with the product when servicing the unit GOALS AND OBJECTIVES The goal of this Job Aid is to provide information that will enable the service technician to prop erly diagnose malfunctions and repair the French Door Bottom Mount Refrigerator The obj...

Page 3: ...ter Filter Connector 4 7 Removing The Flipper Mullion 4 9 Removing The Freezer Door Switch Light Socket 4 10 Removing The Freezer Thermistor 4 12 Removing The Ice Maker And Water Fill Tube 4 13 Removing The Evaporator Fan Motor Defrost Bimetal Defrost Heater Evaporator 4 14 Removing The Dual Water Valve 4 17 Removing The Main Electronic Control Board 4 19 Removing The Condenser Fan Motor 4 20 Remo...

Page 4: ... iv NOTES ...

Page 5: ...can kill or hurt you and others All safety messages will follow the safety alert symbol and either the word DANGER or WARNING These words mean All safety messages will tell you what the potential hazard is tell you how to reduce the chance of injury and tell you what can happen if the instructions are not followed You can be killed or seriously injured if you don t immediately follow instructions ...

Page 6: ... PRODUCTION 21ST WEEK PRODUCT SEQUENCE NUMBER MODEL NUMBER K B F A 2 5 E R W H 0 0 PRODUCT GROUP K KITCHENAID PRODUCT IDENTIFICATION BF BTM FREEZER FRENCH DOOR MERCHANDISING SCHEME SERIES A ARCHITECT CAPACITY 20 20 CU FT 25 25 CU FT MODEL FEATURES E INTERIOR WATER DISPENSER YEAR OF INTRODUCTION R 2005 COLOR CODE BL BLACK WH WHITE SS STAINLESS STEEL ENGINEERING CHANGE DIGITS 00 01 02 ETC ...

Page 7: ...1 3 Bottom Grille MODEL SERIAL NUMBER LABEL TECH SHEET LOCATIONS The Model Serial Number label location is shown below Model Serial Number Label The Tech Sheet location is shown below Tech Sheet ...

Page 8: ... 115VAC 0 085 amps 15 115VAC Evaporator fan motor Rotation facing end opposite shaft RPM Watt Note Fan blade must be fully seated on shaft to achieve proper airflow Clockwise 2940 RPM 4 6 15 watts 115 VAC Overload Relay Ult trip amps 158 F 70 C Close temperature Open temperature Short time trip seconds Short time trip amps 77 F 25 C 2 67 amps 15 142 F 9 284 F 9 10 seconds 5 11 amps 2amps Thermosta...

Page 9: ... the product KitchenAid will replace all Door Bins due to defective materials or workmanship KitchenAid will not pay for 1 Service calls to correct the installation of your refrigerator to instruct you how to use your refrigerator to replace house fuses or correct house wiring or plumbing to replace light bulbs or to replace water filters other than as noted above 2 Repairs when your refrigerator i...

Page 10: ...1 6 NOTES ...

Page 11: ... use only To ensure proper ventilation for the refrig erator allow for a 1 2 1 25 cm space at the top and behind the refrigerator If the refrigerator has an ice maker allow extra space at the back for the water line connections When installing the refrigerator next to a fixed wall leave 2 1 8 5 4 cm minimum on each side depending on the model to allow for the door to swing open NOTE It is recommen...

Page 12: ...ORTANT If you turn the refrigerator on before the water line is connected turn the ice maker OFF All installations must meet local plumbing code requirements Use copper tubing and check for leaks In stall copper tubing only in areas where the household temperatures will remain above freezing TOOLS NEEDED Gather the required tools and parts before starting installation Read and follow the instructi...

Page 13: ...ing a 3 32 Allen wrench loosen the two set screws located on the side of each handle see graphics 1 and 2 on page 2 4 2 Pull the handle straight out from the door Make sure you keep the screws for reat taching the handles 3 To replace the handles reverse the di rections Electrical Shock Hazard Disconnect power before removing doors Failure to do so can result in death or electrical shock IMPORTANT...

Page 14: ... Head Hinge Screws D Top Hinge B A C D A Shim C Hinge Screws B Bottom Hinge Bottom Hinges Wire Harness A B C 1 A 3 32 Set Screw A 3 32 Set Screw 2 A A 2 Replace the parts for the bottom hinge as shown in Bottom Hinge graphic Tighten screws Replace the refrigerator door NOTE Provide additional support for the refrigerator door while the hinges are be ing moved Do not depend on the door gasket magne...

Page 15: ...me weight off the adjustment screws and rollers so the screws are easier to turn To raise turn the roller adjustment screw to the right To lower turn the roller adjustment screw to the left A Roller adjustment screw B Stabilizing foot A B A Front adjustment screw B Rear adjustment screw C Stabilizing foot A B A B C C NOTE It may take several turns of the roller adjustment screw to adjust the tilt ...

Page 16: ...2 6 NOTES ...

Page 17: ... the freezer compartment but the evaporator fan motor can run without the compressor when the refrigerator is calling for cooling REFRIGERATOR DAMPER OPERATION When the refrigerator compartment warms and cooling is required power is applied to the YL RD wire on the damper switch The damper motor runs until the damper switch changes to the normally open N O position and the motor stops with the dam...

Page 18: ...EVAPORATOR FAN ASSEMBLY EVAPORATOR EVAPORATOR COVER FREEZER RETURN AIR THROUGH LOUVERS AT BOTTOM OF EVAPORATOR COVER FREEZER AIR SUPPLY GRILLE REFRIGERATOR RETURN AIR TUNNELS REFRIGERATOR AIR SUPPLY TUNNEL TO FRESH FOOD COMPARTMENT CONTROL DAMPER ...

Page 19: ...ER WATER RESERVOIR ICE MAKER 5 16 O D PLASTIC TUBING WATER SUPPLYCONNECTION 5 16 O D PLASTIC TUBING ROUTED THRU A FOAMED INCONDUIT THIS AREA 1 4 O D PLASTIC TUBING 5 16 OD x 5 16 ODCOMPRESSION UNION REMOVEWATER TUBING FROM CONDUIT FROMDISPENSER END ...

Page 20: ...ture OptimIce Filter Reset Holiday Mode Order Replace Temp Alarm Door Alarm Max Cool Freezer Refrigerator USER INTERFACE TEMP ALARM The Temperature Alarm combines power out age and warm alarm features POWER OUTAGE Duringapoweroutage ifthetemperaturesinthe refrigerator and freezer compartments exceed normal operating temperatures the highest temperature reached will be displayed Press the Temp Alar...

Page 21: ... the preference status 3 Set the preferences by pressing and holding the Door Alarm touchpad for 3 seconds or by closing the refrigerator compartment door ICE PRODUCTION RATE Normal Ice Production The ice maker shouldproduceacompletebatchoficeevery 3 hours If ice is not being made fast enough adjust the freezer control to a lower colder number in steps Wait 24 hours If neces sary gradually adjust ...

Page 22: ...3 6 NOTES ...

Page 23: ...efrigerator Thermistor Refrig Door Switch 2 Refrig Lights 2 Water Dispenser Switch Motorized Air Door Water Reservoir REFRIGERATOR COMPARTMENT FREEZER COMPARTMENT Ice Maker Freezer Lights 2 Freezer Door Switch Evaporator Fan Motor Evaporator Defrost Heater Bimetal Freezer Thermistor UNIT COMPARTMENT Main Electronic Control Board Dual Water Valve Condenser Fan Motor Overload Relay Motor Start Cap C...

Page 24: ... 4 Place the tip of a flat bladed screwdriver into each of the slots in the bottom of the user interface see the photos at the top right and twist the screwdriver to release the locking tabs from the interface Lower the interface assembly User Interface Slots 5 To remove the refrigerator thermistor a Pull the thermistor out of the user in terface housing clips b Cut the wires coming from the therm...

Page 25: ... the flange of the door switch press it firm ly against the locking tab of the switch and pry the switch out of the liner 8 To remove a refrigerator light socket a Place the tip of a flat bladed screw driver into the right slot of the light re flector to release the locking tab and lower the reflector assembly Pry Out Door Switch b Disconnect the wires from the refrigera tor door switch terminals ...

Page 26: ... bladed screwdriver into the slot of the motorized air door cover pry out to release the locking tabs and remove the cover User Interface Motorized Air Door Air Door Cover 4 Remove the two screws from the motor ized air door housing and remove the housing from the liner Air Door Housing Screws 5 Push out on the two tabs to release the motorized air door and remove the air door from the liner Motor...

Page 27: ...penser Water Dispenser Screw Cover 6 Pull the top of the water dispenser out and remove the water dispenser from the liner 7 Disconnect the two wires from the dis penser switch terminals 8 Push and release the locking tabs on the water dispenser switch and pull the switch off the housing pins Screw Water Dispenser Switch Tabs 2 RD WH YL 9 Disconnect the end of the water dispens er tube at the quic...

Page 28: ...the quick disconnect on the left side of the water reservoir and drain any water from the tube into a container 5 Pull the refrigerator away from the wall 6 Remove the hex head screw from the dual water valve tube clamp and remove the clamp from the tube 7 Pull the end of the water tube from the quick disconnect on the dual water valve Water Valve Access Cover Dual Water Valve Tube Clamp Water Res...

Page 29: ...lamp Water Tube Water Valve Access Cover Water Line Fitting Retainer 6 Squeeze the sides of the water line fit ting retainer and slide the retainer off its bracket then slide the fitting off the re tainer Water Line Fitting Retainer Fitting Bracket 7 Remove the hex head screw from the dual water valve tube clamp and remove the clamp from the tube see the lower left photo 8 Pull the end of the wate...

Page 30: ...ector Unhook Cover 12 Unhook the cover from the filter housing and remove the cover 13 Unsnap the left filter connector pin from the housing clip and remove the connec tor 14 Pull the water tubing through the liner opening and remove the water filter con nector Water Filter Filter Connector Pin Clip Pull Tubing Through Liner ...

Page 31: ... or disconnect power 2 Open the refrigerator compartment doors Flipper Mullion 3 Rotate the flipper mullion to its out posi tion see the top right photo 4 Remove the hex head screw from the mul lion bracket Rotate Flipper Mullion Out Mullion Screw 5 Lift the flipper mullion to unhook it from the door 6 Disconnect the 3 wire flipper mullion con nector from the harness Lift Flipper Mullion Flipper M...

Page 32: ...e servicing Replace all parts and panels before operating Failure to do so can result in death or electrical shock 1 Unplug refrigerator or disconnect power 2 Open the freezer compartment Freezer Door Switch Light Socket Pry Out Freezer Door Switch Freezer Door Switch Wires RD WH RD VI WH 4 To remove the freezer light socket a Pull the back of the freezer light cover forward to release the two tab...

Page 33: ...light socket terminals e Press the locking tab to release the light socket and remove the socket from the reflector NOTE If you are re moving the reflector from the freezer unclip the green ground wire Freezer Light Wires Tab Reflector Ground Wire Clip ...

Page 34: ...istor cover then move the screwdriver handle to the left to release the locking tab and pull out on the left side of the cover to release if from the evaporator cover Evaporator Cover Freezer Thermistor Cover 4 Unclip the freezer thermistor from the clips in the cover and remove the therm istor 5 Cut the freezer thermistor wires near the body 6 Splice the ends of the wires from the re placement th...

Page 35: ... the water fill tube a Remove the ice maker see step 3 b Turn off the water to the refrigerator c Pull the refrigerator away from the wall d Remove the two hex head screws from the water fill tube cover on the rear pan el e Pull the water fill tube out of the freezer liner f Release the tube from the clamp and pull the water tube off the fill tube 3 To remove the ice maker a Remove the three hex h...

Page 36: ...r the procedure 4 Remove the freezer basket and left and right freezer basket glides Press the re lease lever to remove the glides 6 Remove the three hex head screws from the left glide support and remove the sup port Left Glide Support Screws 5 Press the release arm on the left freezer basket glide and pull the glide out of its support Left Glide Release Arm 7 Press a screwdriver blade against th...

Page 37: ...lower left photo then pull the bottom of the fan motor out and remove the motor 11 To remove the defrost bimetal a Pull the bimetal and unclip it from the tubing Evaporator Defrost Heater Evap Fan Motor Defrost Bimetal Main Harness Connector Fan Motor Connector Fan Blade Fan Motor Clip b Cut the wires on the old bimetal near the body c Splice the ends of the wires from the replacement bimetal to t...

Page 38: ...forward to disengage the tubing from the plastic standoff see inset e Repeat the previous step and disen gage the left side of the evaporator tubing from its plastic standoff Evaporator Standoff Air Dam Adhesive Tape g Carefully pull the adhesive foam tape on the left and right air dams see the top left photo off the freezer liner h Continue to rotate the bottom of the evaporator up until it is hi...

Page 39: ... from the wall so that you can access the rear of the unit 4 Disconnect the water line from its fitting 5 Remove the four hex head screws from the water valve access cover but do not remove the cover at this time Water Valve Access Cover Cover Screw 1 of 4 Water Line Fitting Water Line Fitting Retainer Fitting Bracket 6 Squeeze the sides of the water line fit ting retainer and slide the retainer o...

Page 40: ...e water valve access cover out from the rear of the unit and position it so you can access the dual water valve 12 Remove the dual water valve from the access cover 13 Disconnect the yellow and brown wire connectors from the dual water valve ter minals NOTE The connectors and valve terminals are polarized so they cannot be interchanged 14 Pull the water tubing out of the dual water valve quick dis...

Page 41: ... screws from the water valve access cover remove the cover and position it out of the way Water Valve Access Cover Cover Screw 1 of 4 Water Line Fitting 6 Push down on the release arm and slide the main electronic control board housing out of the unit see the top right photo 7 Turn the housing over so you can access the board wire connectors 8 Remove the three wire connectors from the board at J2 ...

Page 42: ...u can access the rear of the unit 3 Remove the six hex head screws from the unit compartment cover Remove the cover and slide the power supply cord strain relief out of the slot in the cover Condenser Fan Motor Cover Screws Power Supply Cord 4 Disconnect the power connector from the condenser fan motor 5 Remove the three hex head screws from the condenser fan motor and remove the motor Condenser F...

Page 43: ...r 6 Access the sealed system and discharge the refrigerant into an approved recovery system 7 Unbraze the suction and discharge lines from the compressor 8 Cut the filter drier do not use a torch from the system 9 Remove the two 5 16 mounting bolts from the rubber grommets of the com pressor 10 Lift the old compressor off the refrigerator and install the new one Ground Wire Screw Motor Start Capac...

Page 44: ...rom the wall so that you can access the rear of the unit 3 Remove the six hex head screws from the unit compartment cover Remove the cover and slide the power supply cord strain relief out of the slot in the cover Cover Screws Power Supply Cord 4 Release the locking arms and discon nect the power supply cord connector from the main harness 5 Remove the hex head screw from the green ground wire and...

Page 45: ...ler you are removing 5 To remove a front roller a Tilt the refrigerator back approximately 3 and prop the front up b Turn the silver outer leveling screw to the left counterclockwise and re move the threaded end from the front roller Air Grille Front Roller Cover c Rotate the front roller so that the brack et tab aligns with the chassis slot and remove the roller Front Roller Bracket Tab In Slot F...

Page 46: ... left counterclockwise and re move the threaded rod from the rear roller you are removing Rear Roller Leveling Screw d Rotate the rear roller so that the brack et tab aligns with the chassis slot and remove the roller Rear Roller Bracket Tab In Slot ...

Page 47: ... Condensate Drain Pan Base Pan Condenser Fan Motor 6 Remove the rear torx screws from the base pan and the front torx screws from the bottom of the cabinet 7 Carefully lower the base pan Be careful not to kink the compressor or condenser tubing 8 To remove the condensate drain pan a Remove the hex head screws that mount the condenser fan motor hous ing to the base pan b Lift the condenser fan moto...

Page 48: ...4 26 NOTES ...

Page 49: ...ed circuit 0 Ω b C and NO open circuit infinite c Press the actuator arm and the meter indications in steps 5a and 5b should change states REFRIGERATOR FREEZER DOOR SWITCHES Check all connections before replacing components looking for broken or loose wires failed terminals or wires not pressed into connectors far enough Resistance checks must be made with power cord unplugged from outlet and with...

Page 50: ...witch and the meter should indicate a closed circuit 0 Ω Refer to page 4 9 for the procedure for access ing the flipper mullion 1 Unplug refrigerator or disconnect power 2 Disconnect the mullion connector from the wiring harness 3 Set the ohmmeter to the R x 1K scale 4 Touch the ohmmeter test leads to the mullion connector pins The meter should indicate between 1350 and 1500 Ω FLIPPER MULLION Elect...

Page 51: ...al water valve 1 Unplug refrigerator or disconnect power 2 Disconnect the wire connectors from the dual water valve terminals 3 Set the ohmmeter to the R x 1 scale 4 Touch the ohmmeter test leads to the in dicated water valve solenoid terminals The meter should indicate as follows a Small terminals yellow connector 200 to 300 Ω b Large terminals brown connector 150 to 250 Ω DUAL WATER VALVE Electr...

Page 52: ...ter should indicate as fol lows a Run R to common C 3 3 Ω b Start S to common C 4 3 Ω Electrical Shock Hazard Disconnect power before servicing Replace all parts and panels before operating Failure to do so can result in death or electrical shock R S C Compressor Pinouts Overload Relay Motor Start Capacitor Overload Relay Motor Start Cap 5 To test the motor start capacitor set the ohmmeter to the ...

Page 53: ...mal point indicates the selected digit Press the Freezer Temperature Up Keypad to select the next digit 9 Once the desired Program Code is entered press and hold the Freezer Temperature Down Keypad until the Program Code begins flashing indicating it has been saved NOTE If you attempt to enter an invalid Program Code the control will not save the new code but will beep The unit will NOT run with a...

Page 54: ...eypad and wait 3 seconds OptimIce Push for 3 seconds to reset water filter light Filter Reset Holiday Mode Order Replace Temp Alarm Door Alarm Max Cool Freezer Refrigerator 4 Press the Refrigerator Up Keypad again 5 Display will show 001 in left display and numeric or dashes in right display 6 Press Freezer Up Keypad and Freezer Down Keypad to toggle through Service Test num bers 7 Exit the test m...

Page 55: ... Keypad to toggle Mullion Heater Off and On SERVICE TEST 141 FRESH FOOD THERMISTOR Will show Fresh Food Temperature or OP for open thermistor or SH for shorted thermistor SERVICE TEST 142 FREEZER THERMISTOR Will show Freezer Temperature or OP for open thermistor or SH for shorted thermistor SERVICE TEST 143 MACHINE COMPARTMENT THERMISTOR Will show Machine Compartment Temperature or OP for open the...

Page 56: ...R PAD IF EQUIPPED Display shows the state of the Actuator Pad ON or OFF SERVICE TEST 172 SPORTS FILL IF EQUIPPED Display shows the state of the Sports Fill ON or OFF SERVICE TEST 173 AMBIENT LIGHT IF EQUIPPED Display shows light sensor measurement Hi or Lo Night light will turn on light sensor mea sures Lo By changing the sensor s exposure to ambient light you can control the sensor measurement SE...

Page 57: ...TS Press the Refrigerator Up Keypad or Refrigerator Down Keypad to change from showing ac tual temperature Off position showing temperature setpoints only On position SERVICE TEST 211 FRESH FOOD TEMPERATURE ADJUSTMENT Press the Refrigerator Up Keypad or Refrigerator Down Keypad to change calibration of Fresh Food Temperature plus or minus in 1 F increments up to 6 F NOTE Temperature will read in F...

Page 58: ...r Check compressor motor windings for opens shorts Perform compressor direct wiring test Replace if necessary Unit does not run Faulty overload Check overload for continuity NOTE Ensure compressor overload are below trip temperature before testing Replace if necessary Excessive door opening Consumer education Overloading of shelves Consumer education Warm or hot foods placed in cabinet Consumer ed...

Page 59: ...porator fan Check fan and wiring Replace if necessary Faulty control Test control Replace if failed Refrigerant shortage or restriction Check for leak or restriction Repair evacuate and recharge system Refrigerant overcharge Check for overcharge Evacuate and recharge system Unit runs continuously Air in system Check for low side leak Repair evacuate and recharge system Unit runs continuously Tempe...

Page 60: ...tions Check wiring and connections Repair as necessary Supply voltage out of specification Check input voltage Correct any supply problems Overload protector open Check overload protector for continuity If open replace overload NOTE Ensure overload compressor are below trip temperature before testing Faulty compressor motor capacitor some compressors do not require motor capacitor Check capacitor ...

Page 61: ...7 1 WIRING DIAGRAMS WIRING DIAGRAM 1 ...

Page 62: ...7 2 WIRING DIAGRAM 2 ...

Page 63: ...7 3 SCHEMATIC DIAGRAM ...

Page 64: ...7 4 NOTES ...

Page 65: ...7 5 NOTES ...

Page 66: ...7 6 NOTES ...

Page 67: ...RIZED SERVICER IN CANADA FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL 1 800 461 5681 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER S HOME CALL THE TECHNICALASSISTANCE LINE 1 800 488 4791 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN AUTHORIZED SERVICER FOR WHIRLPOOL PRODUCTS 1 800 253 1301 FOR KITCHENAID PRODUCTS 1 800 422 1230 FOR ROPER PRODUCTS 1 800 447 6737 FOR LITERATURE ORD...

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