KitchenAid Architect Series II KURO24LSBX Technical Education Download Page 49

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5-5

See Page 4-23 for access and removal pro-

cedures for the ambient thermostat.

Touch the leads of an ohmmeter to the two

terminals of the ambient thermostat.

The meter should indicate continuity when the

temperature is above ________ degrees F.

AmBIENT THERmOSTAT

(UW, BC)

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.

See page 4-11 for access and removal pro-

cedures for the defrost bimetal.

Touch the leads of an ohmmeter to the two

terminals of the defrost bimetal.

The bimetal opens at 4 degrees C, 40 de-

grees F. and closes as -4 degrees C, 25 de-

grees F.

DEFROST BImETAL

Summary of Contents for Architect Series II KURO24LSBX

Page 1: ...KUWS24RSBS KUWS24LSBS KUWS24RSSS KUWO24RSBX KUWO24LSBX Beverage Center Models KBCS24RSBS KBCS24LSBS KBCS24RSSS KBCO24RSBX KBCO24LSBX Undercounter Refrigerator Models KURS24RSBS KURS24LSBS KURS24RSSS KURO24RSBX KURO24LSBX KitchenAid Undercounter Refrigeration Suite ...

Page 2: ...iring Diagrams used in this Job Aid are typical 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 properly diagnose malfunctions and repair the Wine Cellar Beverage Center Undercounter Refrigerator The objecti...

Page 3: ...4 2 Remove the Separator UW BC 4 3 Remove the Evaporator Cover 4 4 Remove the Evaporator Fan and Motor 4 5 Remove the Main Thermostat UW BC 4 6 Remove the Main Thermostat UR 4 8 Wiring Connector Block 4 9 Remove the Defrost Heater 4 10 Remove the Defrost Thermostat and Thermal Fuse 4 11 Remove the Evaporator 4 12 Remove the Base Grille 4 13 Remove the Door Switch or the Light Switch 4 14 Accessing...

Page 4: ...lay Transformer 5 3 Defrost Timer 5 4 Compressor 5 4 Ambient Thermostat UW BC 5 5 Defrost Bimetal 5 5 DIAGNOSIS TROUBLESHOOTING 6 1 The UW BC UR Will Not Operate 6 1 The Lights Do Not Work 6 1 There is Water in the Defrost Drain Pan 6 1 The Motor Seems to Run Too Much 6 1 Temperature is Too Warm 6 2 There is Interior Moisture Buildup 6 2 The Door is Difficult to Open 6 2 The Door Will Not Close Co...

Page 5: ...ce the chance of injury and tell you what can happen if the instructions are not followed Your safety and the safety of others are very important We have provided many important safety messages in this manual and on your appliance Always read and obey all safety messages This is the safety alert symbol This symbol alerts you to potential hazards that can kill or hurt you and others All safety mess...

Page 6: ... DOOR L LEFTHAND DOOR YEAR OF INTRODUCTION S 2006 T 2007 V 2008 COLOR BS STAINLESS DOOR BLACK CABINET SS STAINLESS DOOR STAINLESS CABINET BX OVERLAY DOOR BLACK CABINET ENGINEERING CHANGE 0 1 2 ETC SERIAL NUMBER EK T 12 12345 ENGINEERING RESPONSIBILITY EK EVANSVILLE IN YEAR OF PRODUCTION T 2006 U 2007 WEEK OF PRODUCTION 12 12th week of the year PRODUCT SEQUENCE NUMBER Model Number Designations Seri...

Page 7: ...1 3 Model Serial Number Label Wiring Diagram Locations Wiring Diagram Model Serial Number Label Location On Upper Right Side of Liner ...

Page 8: ...me 8 Repairs to parts or systems resulting from unauthorized modifications made to the appliance 9 Expenses for travel and transportation for product service in remote locations 10 The removal and reinstallation of your appliance if it is installed in an inaccessible location or is not installed in accordance with published installation instructions DISCLAIMER OF IMPLIED WARRANTIES LIMITATION OF R...

Page 9: ... grille Before you move the UW BC or UR into its final location it is important to make sure you have the proper electrical connection Recommended grounding method A 115 Volt 60 Hz AC only 15 or 20 amp fused grounded electrical supply is required It is recommended that a separate circuit serv ing only the unit be provided Use an outlet that cannot be turned off by a switch Do not use an extension ...

Page 10: ...eveling screws to the right It may take several more turns and you should turn both leveling legs the same amount 1 2 3 4 Remove the Packaging Remove tape and glue residue from surfaces before turning on the unit Rub a small amount of liquid dish soap over the adhesive with your fingers Wipe with warm water and dry Do not use sharp instruments rubbing alco hol flammable fluids or abrasive cleaners...

Page 11: ...o screws Push both tabs in toward the center to release the base grille from the unit Remove the base grille 1 2 3 Replace the base grille Open the unit door Position the base grille so that both tabs align and the base grille snaps into place Replace the two screws Tighten the screws 1 2 ...

Page 12: ...2 4 NOTES ...

Page 13: ...W has two temperature zones and the BC has three temperature zones It is important to remember that on the BC UW the coldest zone will be at the top and the warmest zone at the bottom This is due to the fan forced evaporator airflow pattern Airflow from the evaporator is first directed into the top of the compartment The bottom zone on the BC and UW is cooled primarily by conduction and to a small...

Page 14: ...3 2 NOTES ...

Page 15: ...racks To remove the bottom rack lift the rear edge of the rack to move the rubber stop over the stop at the back left corner of the unit and pull the rack out of the unit 3 4 Remove the Racks UW BC WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Release Lever Rack Stop ...

Page 16: ...e track from the slots in the back of the unit Remove the track from the unit 1 2 Lay the tracks in order of removal to assist in reassembly There are two different tracks for different positions in the unit and the tracks from the left side and right side are different Make sure that the track with the narrow spacing is installed in the lowest posi tion of the unit 3 Narrow Wide Slot Hook Hook ...

Page 17: ...unit 1 2 Remove the two screws one at each side that secure the separator to the unit To remove the separator grasp the front edge with both hands and pull to release the separator and remove it from the unit Remove the last two rack tracks that support the separator 3 4 5 Remove the Separator UW BC WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in de...

Page 18: ...e left the separator display on UW BC is on the right and one ground wire from the evaporator is on the right on all models See page 4 9 Components accessible with the evaporator cover removed are Evaporator Fan Motor Page 4 5 Main thermostat Pages 4 6 4 7 4 8 Defrost heater Page 4 9 Defrost thermostat thermal fuse Page 4 10 Evaporator Page 4 11 6 7 Remove the Evaporator Cover WARNING Electrical S...

Page 19: ...motor shaft out of the fan blade to remove the motor Be sure to reinstall the rubber grommets into the brackets When reassembling the motor to the fan push the shaft of the motor through the hole of the fan blade until the shaft is flush with the front of the fan Be sure to reinstall both the ground wires removed earlier 4 5 6 Remove the Evaporator Fan and Motor WARNING Electrical Shock Hazard Dis...

Page 20: ... and is protected with an insulated sleeve Pull the bulb out from beside the evaporator Take careful note of the positioning of the bulb and insulating sleeve for proper reinstallation otherwise the thermostat may be adversely affected by the evaporator The thermostat bulb runs through the inte rior liner and is sealed in place with a mastic sealant around the bulb Be sure to replace the sealant w...

Page 21: ...e thermostat bulb through the liner into the component compartment from the back of the unit Remove the base grill See page 4 13 Remove the two screws that secure the Con trol box to the bottom of the unit Lower the front of the control box and slide the rear tabs out of the slots that hold the back of the control box 6 7 8 9 Tabs Screws ...

Page 22: ...eal the hole from leaking cold air 1 2 3 Remove the Main Thermostat UR WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Thermostat Bulb Pull the thermostat bulb through the liner into the component compartment from the back of the unit Remove the base grill See page 4 13 Remove t...

Page 23: ...nnection for UW BC models 1 2 3 4 Wiring Connector Block 1 2 3 4 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Remove the control knob Remove the ther mostat control by rotating the back of the thermostat up and out of the control box NOTE The rocker light switch shown is not ...

Page 24: ...he evaporator Cut the two wire ties on the top and two on the right side of the evaporator Note the location of the wire ties and the routing of the wires for proper replacement during reassembly Disconnect the wire connector to the defrost heater from the connector block in position 3 See page 4 9 Carefully move the wires to the defrost heat er out from around the evaporator Remove the defrost he...

Page 25: ...o Remove the defrost thermostat and ther mal fuse begin by removing the evaporator cover See page 4 4 Unclip the metal bracket that secures the thermostat to the top left of the evaporator 1 2 Remove the Defrost Thermostat and Thermal Fuse Wiring connector Thermal fuse Metal Thermostat Bracket WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or...

Page 26: ...s that secure the evaporator to the back wall of the unit Photo show screws already removed so the brackets could be seen better Access the sealed system and discharge the refrigerant into an approved recovery sys tem Unbraze the suction and discharge lines and remove the evaporator from the unit 6 7 8 Remove the Evaporator WARNING Electrical Shock Hazard Disconnect power before servicing Failure ...

Page 27: ...nts accessible with the base grille removed are Condenser Thermostat control Door switch Rocker light switch not included on the Un dercounter refrigerator 4 5 Remove the Base Grille WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Screws Tabs Thermostat Knob Condenser Rocker Lig...

Page 28: ...e back of the control box 1 2 3 Disconnect the wire connectors attached to the switch Press in on the tabs on the switch body and push the switch out of the hole in the control box 4 5 Remove the Door Switch or the Light Switch WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Tab...

Page 29: ...nser Fan Motor 3 Ambient Thermostat 4 Relay Overload 5 Run Capacitor 6 Compressor 7 Filter Drier 8 Temperature Display Transformer 1 2 Accessing the Unit Compartment Remove 7 Screws 7 6 3 4 2 1 5 8 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating ...

Page 30: ...ve the two screws that secure the de frost timer to the mounting plate Disconnect the 4 wire connector from the de frost timer 3 4 Remove Defrost Timer WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Screw Screws 4 Wire Connector ...

Page 31: ...ire Black Connector 3 wire White Connector 2 wire 1 2 3 4 5 Unit Compartment Wire Connectors 1 2 3 4 5 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating ...

Page 32: ...Overload 1 2 3 Remove the Relay Overload Run Capacitors Pull the Run capacitor and the Relay Over load off the terminals of the compressor Pull the Run capacitor off the support rod of the Relay Overload 4 5 WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating ...

Page 33: ...he slots in the condenser fan bracket and remove the drain pan from the unit 3 4 Remove the unit compartment cover see page 4 15 Pull the drain tube out of the drain pan 1 2 Remove Drain Pan Pry up corner WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Retainer Pin Tab in Slot D...

Page 34: ...nt cover see page 4 15 Remove the drain pan see page 4 19 Remove three wire connectors from the con denser fan 1 2 3 Remove Condenser Fan WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Two Screws ...

Page 35: ...ove the condenser fan see page 4 20 Remove the two screws that secure the tem perature display transformer to the unit 1 2 3 4 Remove Temperature Display Transformer WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Remove Two Screws Disconnect Two Wire Connectors ...

Page 36: ... discharge lines from the compressor Cut the filter drier do not use a torch from the system Remove the three bolts that secure the com pressor to the unit Lift the compressor out of the unit 3 4 5 6 7 Remove Compressor WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating Remove the ...

Page 37: ... thermostat bulb back through the hole in the unit When reassembling the unit be sure to replace the sealant that surrounds the thermostat bulb in the unit compartment Disconnect the three wire connectors from the thermostat 4 5 6 Remove Ambient Thermostat UW BC WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all pa...

Page 38: ...2 3 Open the unit door Remove the two screws that secure the ac tuator to the bottom of the door 1 2 Remove Interior Light Bulb Remove Door Switch Actuator UW BC WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating One Screw Two Screws ...

Page 39: ... surface 1 2 Remove the door See page 4 25 Remove the four screws at the bottom of the door Lift the door skin off of the inner door Turn the door skin over and lay it on a pro tected surface Remove the two screws that secure the door handle to the door skin 1 2 3 4 5 Remove the Door Remove the Door Skin and Handle Three Screws Two Screws Four Screws ...

Page 40: ...s lift and pull the shelf out as one piece Remove Door Gasket Open the door of the unit Starting at one of the corners carefully pull the gasket away from the door Allow the rubber tab to slide out of the channel in the door Replace the gasket by starting at one of the corners and pressing the rubber tab of the new gasket into the channel in the door Work your way around the door in one con tinuou...

Page 41: ...nd three clips on the top and bottom Open the two halves of the evaporator cov er 1 2 3 Upper Compartment Temperature Display Thermistor Inside Evaporator Cover BC The upper compartment thermistor is hang ing on a stud inside the evaporator halves 4 Upper Compartment Thermistor Clip ...

Page 42: ...ay thermistor UW Lift the foam insert to access the up per zone temperature display thermistor BC This will be the thermistor for the mid zone on the Beverage Center 3 4 Disassemble Separator UW BC Separator Screws WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels before operating ...

Page 43: ...ape them in the same po sitions during reassembly BC The Beverage Center connector plugs A 2 pin feed wire from the back wall of unit B 3 pin connector for the top thermistor This will not be present on the Wine Cellar C 3 pin connector for the bottom thermistor 5 6 B C A ...

Page 44: ...4 30 NOTES ...

Page 45: ...ing any of the components perform the following checks The most common cause for control failure is corrosion on connectors Therefore dis connecting and reconnecting wires will be necessary throughout test procedures All tests checks should be made with a VOM or DVM having a sensitivity of 20 000 ohms per volt DC or greater Evaporator Fan Motor See Page 4 10 for access and removal pro cedures for ...

Page 46: ...ty open circuit When the switch is pressed on the I side the meter should indicate continuity closed circuit 1 2 3 4 5 6 7 Light Switches 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 See Page 4 18 for access and removal pro cedures for the Relay Overload Touch one lead of an ohmmeter...

Page 47: ...al shock See Page 4 21 for access and removal pro cedures for the temperature display trans former The long wire shown on the left connects to the primary winding Touch the leads of an ohmmeter to the termi nals of the long wire shown on the left The meter should indicate 225 ohms The short wire shown on the right connects to the secondary winding Touch the leads of an ohmmeter to the termi nals o...

Page 48: ...e defrost timer 1 2 3 4 5 Defrost Timer 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 See Page 4 22 for access and removal pro cedures for the compressor Touch the leads of an ohmmeter to the Com mon and Run terminals of the compressor The meter should indicate 15 ohms Touch the leads...

Page 49: ... 2 3 Ambient Thermostat UW BC 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 See page 4 11 for access and removal pro cedures for the defrost bimetal Touch the leads of an ohmmeter to the two terminals of the defrost bimetal The bimetal opens at 4 degrees C 40 de grees F and closes as ...

Page 50: ...5 6 NOTES ...

Page 51: ...r humid The Motor Seems to Run Too Much Is the temperature outside hotter than nor mal Expect the motor to run longer under warm conditions At normal temperatures expect the motor to run about 40 to 80 of the time Under warmer conditions expect it to run even more of the time Is the door opened often Expect the motor to run longer when this occurs In order to conserve energy try to get everything ...

Page 52: ... the door is opened humidity from the room air enters the unit The more often the door is opened the faster humidity builds up especially when the room itself is very humid Is it humid It is normal for moisture to build up inside the unit when the air is humid Is the control set correctly for the surround ing conditions The Door is Difficult to Open Is the gasket dirty or sticky Clean the gas ket ...

Page 53: ...7 1 WIRINGDiagrams Wine Cellar Wiring Diagram ...

Page 54: ...7 2 Beverage Center Wiring Diagram ...

Page 55: ...7 3 Undercounter Refrigerator Wiring Diagram ...

Page 56: ...7 4 NOTES ...

Page 57: ...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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KitchenAid Architect Series II KURO24LSBX, Technical Education

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