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KitchenAid KOST100ESS Technical Education

27-inch & 30-inch built-in single and double wall ovens.
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KAC - 57
Multimedia
Enhanced
TECHNICAL EDUCATION
27 & 30" Built-In Single and Double
Wall Ovens
JOB AID W10807512

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   Summary of Contents for KitchenAid KOST100ESS

  • Page 1 KAC - 57 Multimedia Enhanced TECHNICAL EDUCATION 27 & 30” Built-In Single and Double Wall Ovens JOB AID W10807512...
  • Page 2 FORWARD This KitchenAid Job Aid, 27 & 30” Single and Double Wall Ovens (Part No. W10807512), provides the In-Home Service Professional with information on the installation, operation, and service of the “Built- In Single and Double Wall Ovens. For specific operating information on the model being serviced, refer to the “Tech Sheet”...
  • Page 3: Table Of Contents

    TABLE OF CONTENTS Built-In Single and Double Ovens SECTION 1 — GENERAL INFORMATION OVEN SAFETY INFORMATION ..................1-2 MODEL/SERIAL NUMBER BREAKDOWN ..............1-3 SALES SPECIFICATION ....................1-4 INSTALLATION ELECTRICAL REQUIREMENTS ...................1-8 FIT SYSTEM ............................SECTION 2 — OPERATION HOW THE OVEN WORK ....................2-2 WIRING DIAGRAM AND LOGIC CIRCUITS ..............
  • Page 4 TABLE OF CONTENTS SECTION 5 — WIRING DIAGRAMS SINGLE OVEN - NON-CONVECTION ................5-2 SINGLE OVEN - CONVECTION ..................5-3 DOUBLE OVEN - NON CONVECTION ................5-4 DOUBLE OVEN - SINGLE CONVECTION ..............5-5 DOUBLE OVEN - DOUBLE CONVECTION ..............5-6 WIRING DIAGRAM LEGEND ..................5-6 PRODUCT SPECIFICATIONS &...
  • Page 5: Section 1 - General Information

    GENERAL INFORMATION Section 1: General Information This section provides general Oven Safety & Service information, Sales Specifications and some Installation guidelines used for servicing the Built-In Single and Double Wall Ovens. n Oven Safety Information n Model/Serial Number Breakdown n Sales Specifications n Installation •...
  • Page 6: Oven Safety

    GENERAL INFORMATION OVEN SAFETY 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.
  • Page 7 GENERAL INFORMATION Electrical Requir KitchenAid Model Numbering System If codes permit and a separate ground wire is used, it is recommended that a qualified electrical installer determine that the ground path and the wire guage are in accordance with local codes.
  • Page 8: Sales Specification

    GENERAL INFORMATION Sales Specifications Built-In Single and Double Wall Ovens...
  • Page 9 GENERAL INFORMATION Sales Specifications Built-In Single and Double Wall Ovens...
  • Page 10 GENERAL INFORMATION Sales Specifications Built-In Single and Double Wall Ovens...
  • Page 11 GENERAL INFORMATION Sales Specifications Built-In Single and Double Wall Ovens...
  • Page 12: Electrical Requirements

    GENERAL INFORMATION Electrical Requirements Electrical Requirements If codes permit and a separate ground wire is used, it is Models rated from 7.3 to 9.6 kW at 240 volts (5.4 to 7.4 kW at recommended that a qualified electrical installer determine that 208 volts) require a separate 40-amp circuit.
  • Page 13: Fit System

    GENERAL INFORMATION Installation - FIT System Single Ovens The positioning of the oven feet allow a single oven to be installed in a cutout height between 2615⁄16" and 297⁄16" (68.4 cm and 74.8 cm). Single Oven Double Ovens The positioning of the oven feet allow a double oven to be installed in a cutout height between 487⁄8"...
  • Page 14 GENERAL INFORMATION NOTES 1-10 Built-In Single and Double Wall Ovens...
  • Page 15: Section 2 - Operation

    OPERATION Section 2: Operation This section provides a breakdown of all electrical circuits on the wiring diagram. It also shows all electrical power operations of each circuit. n How the Oven Works n Wiring Diagram and LOGIC circuits n Receiving and Distributing Electricity •...
  • Page 16 We’ll talk about error codes and see how they can make your job a lot easier and less time consuming. All information we talk about is in the TECH SHEET which is located behind the Control Panel in every oven KitchenAid produces. NOTE: Circuit shown in STANDBY/OFF mode with oven door closed.
  • Page 17 OPERATION Wiring Diagram & LOGIC Circuits The wiring diagram shown, on the previous page, is for a single Built-In oven with Convection cooking. Let’s point out a couple of interesting circuits that could easily catch a seasoned tech off guard. Check out the NOTE at the bottom of the diagram about the position of the door.
  • Page 18: Receiving And Distributing Electricity

    OPERATION Receiving and Distributing Electricity The 120 VAC section Once the oven is plugged in 120 VAC is supplied to the Appliance Manager at the J8 connector. This 120 VAC input is constant anytime the oven is plugged in. With the Appliance Manager powered up and the connection between the Appliance Manager connector P1 and the User Interface connector J4, the two electronic controls are able to speak to each other.
  • Page 19 OPERATION The 240 VAC section This diagram shows the 240 VAC components. All the cooking elements are included in this section. Notice all of these components go through the Temperature Limiter to the L2 side of the circuit. The operation of all these components are controlled by the Temperature Limiter (Safety), the Oven and Meat Probe Sensors (Cooking results) and the User Interface (Customer’s request).
  • Page 20: Oven Appliance Manager

    OPERATION Oven Appliance Manager Below is the Applaince Manager showing relay locations. If you compare the wiring diagrams from the previous pages and the appliance manager pinouts below you can see how the board and the wiring diagram come together. •...
  • Page 21 OPERATION User Interface and Keypad Here we provide information about the User Interface, Keypad and Appliance Manager connections. The User Interface and KeyPad are connected and communicate with each other through the J1 connections. The User Interface & Keypad assembly (J4) communicate with the Appliance Manager (P1).
  • Page 22 OPERATION User Interface and Keypad 5 VDC at the keypad J1 connection and 14 VDC at the User Interface J4 connection tell use that all the components are work and communicating. 120 VAC should be available at the Appliance Manager (J8) anytime the oven in plugged in.
  • Page 23 OPERATION User Interface and Keypad Remember if you are working on a Double or Single oven the operation is the same. Both Appliance Managers in a double oven receive 120 VAC from the same power source. The LOGIC circuits are common on both Appliance Manager boards and the customer uses the Keypad and user interface the same way.
  • Page 24 OPERATION NOTES 2-10 Built-In Single and Double Wall Ovens...
  • Page 25 ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Section 3: Electronic Control Diagnostic Mode and other Component Testing This section provides a look at using the Diagnostic Mode and Failure/Error Codes. The Relay Logic and Component Testing Chart can be very helpful. n Safety n Using the Diagnostic Mode n Failure/Error Codes...
  • Page 26: Safety

    ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Safety 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.
  • Page 27 ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Safety Built-In Single and Double Wall Oven...
  • Page 28: Using The Diagnostic Mode

    ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Using the Diagnostic Mode The KitchenAid Ovens provide a Diagnostic program This is the first screen displayed for a Double Oven that can help diagnose concerns with the oven. The diagnostic program will need to be accessed anytime the User Interface is replace because the Oven Cavity size (27 or 30”) needs to be...
  • Page 29 ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Using the Diagnostic Mode General Procedure: ERROR CODES Note: All error codes are stored in the failure history. To check if the error code is still present, start a cooking function and wait one minute to see if the error code appears.
  • Page 30: Failure/error Codes

    ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Failure/Error Codes The following two pages contain information about error codes and what to look for when you encounter a specific condition. This information is a portion of the information that is in the Tech Sheet, but provides a more direct picture of the repair.
  • Page 31 ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Failure/Error Codes Built-In Single and Double Wall Oven...
  • Page 32: Relay Logic Chart

    ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Failure/Error Codes Relay Logic Chart The chart below provides information about how the relays react in any cooking mode. The Legend at the bottom of the chart shows what each symbol means. During each of the convection modes the convection fan and convection element cycle on and off to maintain proper heat - no big surprise there.
  • Page 33: Component Testing Chart

    This chart provides pin locations and Voltage/Resistance values for all components used in the oven. It should be used to confirm that a component is operating properly. This chart is also available in the Tech Sheet that is provided with every oven KitchenAid produces. Component Testing Chart - Oven To properly check for voltage, complete the following steps: Unplug oven or disconnect power.
  • Page 34 ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING NOTES 3-10 Built-In Single and Double Wall Oven...
  • Page 35: Section 4 - Component Access

    COMPONENT ACCESS Section 4: Component Access Multimedia This section provides service parts access, removal, and replacement instructions for the “KitchenAid Enhanced Built-In Wall ovens. How to remove the: • Control Panel • Exhaust Blower Motor and Fan Assembly • Components at the back of a Double or Single wall Oven •...
  • Page 36 COMPONENT ACCESS WARNING REMOVING THE CONTROL PANEL THERMAL FUSE The thermofuse is located just behind the control panel. Remove the control panel and locate the fuse in the center front of the controls section. Electrical Shock Hazard Remove electrical connections and release two Disconnect power before servicing.
  • Page 37 COMPONENT ACCESS Remove the mounting screws and remove both WARNING covers. 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. Remove electrical connections and remove 2 mounting screws on the left side of the board.
  • Page 38 COMPONENT ACCESS WARNING REMOVING THE OVEN SHUTDOWN THERMAL FUSE FROM THE UPPER OVEN OF A DOUBLE OVEN, OR A SINGLE OVEN 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.
  • Page 39 COMPONENT ACCESS WARNING 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. REMOVING THE CONVECTION FAN MOTOR From the back of the oven disconnect the two electrical connections to the fan motor.
  • Page 40 COMPONENT ACCESS WARNING REMOVING THE HIDDEN BAKE ELEMENT At the back of the oven locate the bake element terminals. Remove the two electrical connections from the element. 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.
  • Page 41 COMPONENT ACCESS WARNING It may be easier servicing the next few components with the oven door and oven racks removed. 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.
  • Page 42 COMPONENT ACCESS WARNING REMOVING THE OVEN SENSOR The Broil Element will need to be removed to access the Sensor mounting bracket. Remove the screw mounting the oven sensor and pull the sensor into the oven far enough that the sensor quick disconnect plug enters the Electrical Shock Hazard oven cavity.
  • Page 43 COMPONENT ACCESS WARNING 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. Must clear mounting tab Picture shown with the Appliance Manager mounting support removed for clarity REMOVING THE DOOR LATCH AND OVEN LIGHT SWITCH ASSEMBLY Push the Latch Assembly back and up to release it...
  • Page 44 COMPONENT ACCESS NOTES 4-10 Built-InSingle and Double Wall Ovens...
  • Page 45: Single Oven - Convection

    Wiring Diagrams Section 5: Wiring Diagrams n This section provides a look at all the Wiring Diagrams being used in the KitchenAid Single and Double Built-In Wall Ovens. Single Oven - Non Convection Single Oven -Convection Double Oven - Non Convection...
  • Page 46: Wiring Diagrams

    Pin 1 Wiring Diagrams Wiring Diagrams NOTES: End of line tester (EOL) is for manufacturing purposes Circuit shown in STANDBY/OFF mode with oven door only. closed. Dots indicate connections or splices. All voltages in the wiring diagrams are designated as 120/240 VAC.
  • Page 47 FOR SERVICE TECHNICIAN’S USE ONLY Wiring Diagrams Single Oven Models - Convect User Interface Keypad N L2 L1 Wide/Power 1 2 3 4 RD/WH RD/WH 1 2 3 4 5 Thermal Fuse Copernicus 170°F (77°C) Appliance Manager Broil - 4000W Bake - 2800W Oven Temperature Sensor...
  • Page 48 HS Cooling Fan GY/BK Wiring Diagrams Double Oven Models - Non-Convect Keypad User Interface N L2 L1 N L1 Wide/Power 1 2 3 4 RD/WH RD/WH 1 2 3 4 5 1 2 3 4 5 Thermal Fuse Lower Copernicus Upper Copernicus 206°F (93°C) Appliance Manager...
  • Page 49 FOR SERVICE TECHNICIAN’S USE ONLY Wiring Diagrams Double Oven Model - Single-Convect User Interface Keypad N L2 L1 N L1 Wide/Power 1 2 3 4 RD/WH RD/WH 1 2 3 4 5 1 2 3 4 5 Thermal Fuse Upper Copernicus Lower Copernicus 206°F (93°C) Appliance Manager...
  • Page 50 FOR SERVICE TECHNICIAN’S USE ONLY Wiring Diagrams Double Oven Models - Double-Convect User Interface Keypad N L2 L1 N L1 Wide/Power 1 2 3 4 RD/WH RD/WH 1 2 3 4 5 1 2 3 4 5 Thermal Fuse Upper Copernicus Lower Copernicus 206°F (93°C) Appliance Manager...
  • Page 51: Product Specifications

    WARRANTY INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL: FOR WHIRLPOOL PRODUCTS: 1-800-253-1301 FOR KITCHENAID PRODUCTS: 1-800-422-1230 FOR ROPER PRODUCTS: 1-800-447-6737 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-832-7174...

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