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FORWARD This Whirlpool Service Manual (Part No. W11387992), provides the In-Home Service Professional with service information for the “Low Profile Microwave Hood Combination.” The Wiring Diagram used in this Service Manual is typical and should be used for training purposes only. Always use the Wiring Diagram supplied with the product tech sheet when servicing the oven.
GENERAL INFORMATION Section 1: General Information This section provides general safety, parts, and information for the “Low Profile Microwave Hood Combination.” ■ Microwave Hood Combination Safety ■ Product Specifications ■ Model & Serial Label • Location • Model Nomenclature ■ Wiring Diagram Location Low Profile Microwave Hood Combination...
GENERAL INFORMATION (Cont.) Microwave Hood Combination 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.
GENERAL INFORMATION (Cont.) Product Specifications Whirlpool® Low Profile Microwave Hood Combination Dimensions Capacity (Cu. Ft.) Depth With Door Open 90 Degree (IN, inches) Depth (IN, inches) Height (IN, inches) Width (IN, inches) Microwave Details Interior Depth Interior Height Interior Width...
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GENERAL INFORMATION (Cont.) Microwave Selections Add 30 Seconds, Auto Cook, Beverage, Control Lock, Cook/ Start, Cook Power, Cook Time, Defrost, Dinner Plate, End of Cycle Signal, Fresh Vegetable, Frozen Entree, Frozen Vegetable, Languages - English/French, Off/Cancel, Pause, Pizza, Popcorn, Reheat, Sound On/Off, Soup, Steam, Timer Ventilation System Blower Type Centrifugal...
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GENERAL INFORMATION (Cont.) KitchenAid® Low Profile Microwave Hood Combination Dimensions Capacity (Cu. Ft.) Depth With Door Open 90 Degree (IN, inches) Depth (IN, inches) Height (IN, inches) Width (IN, inches) Microwave Details Interior Depth Interior Height Interior Width Door Release Touch to Open Cavity Finish Non-Stick...
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GENERAL INFORMATION (Cont.) Ventilation System Blower Type Centrifugal Filters Charcoal Odor Removing Filter Duct Direction Vertical or Horizontal Duct Type Rectangular CFM Motor Class Duct Outlet Size (IN, inches) x 10 Number of Speeds Vent Fan Location Side Ventilation Type Updraft Venting Exterior or Recirculating...
GENERAL INFORMATION (Cont.) Model & Serial Number Location Model & Serial Number Label Location (behind door) Low Profile Microwave Hood Combination...
GENERAL INFORMATION (Cont.) Model Nomenclature Whirlpool® Model Nomenclature MODEL NUMBER Brand W = Whirlpool Platform F = Freestanding Range G = Double Oven Range E = Slide-In Range L = Double Oven Slide-In Range X = Drop-In Range M = Microwave...
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GENERAL INFORMATION (Cont.) KitchenAid® Model Nomenclature MODEL NUMBER Brand K = KitchenAid Categories F = Freestanding Range C = Cooktop M = Microwave Oven O = Wall Oven S = Slide-In Range Configuration/Fuel C = Countertop (Microwave) H = Microwave Hood Combo B = Built-In (Microwave) L = Low Profile (Microwave) Product Details...
DIAGNOSTICS (Cont.) For Service Technician Use Only Safety WARNING DANGER Electrical Shock Hazard Electrical Shock Hazard Only authorized technicians should perform Disconnect power before servicing. diagnostic voltage measurements. Replace all parts and panels before operating. After performing voltage measurements, Failure to do so can result in death or disconnect power before servicing.
DIAGNOSTICS (Cont.) For Service Technician Use Only Diagnostics - Touch Panel Touch Panel and ACU Test The microwave hood combination is provided with a self-diagnostic routine that can be accessed through the touch keypad. To initiate this routine: 1. Plug in microwave oven or reconnect power, in idle mode, 3.
DIAGNOSTICS (Cont.) For Service Technician Use Only Error/Failure Codes Indications NOTE: Many of the problems listed in the chart below may be solved by power cycling. Unplug microwave oven or disconnect power. After 1 minute, plug in microwave oven or reconnect power. Display Likely Failure Recommended Repair Procedure...
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DIAGNOSTICS (Cont.) For Service Technician Use Only Primary, Secondary, Monitor and Door Switch Checkout Procedures IMPORTANT: Before checking the interlock switches, unplug microwave oven or disconnect power. Be sure to disconnect all of the wires at the switch being tested before making any continuity readings. NOTE: The Secondary Interlock Switch, Monitor Interlock Switch, Primary Interlock Switch and Door Interlock Switch are mounted in the door lock switch cradle.
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DIAGNOSTICS (Cont.) For Service Technician Use Only Not Heating Troubleshooting Instruction IMPORTANT: High-voltage is present at the magnetron and high- n Check for loose terminals. (Refer to the wiring diagram.) voltage capacitor terminals. Avoid direct contact when power Check all of the terminals on the main route from the is connected to these components to avoid serious injury or power supply to the high-voltage transformer.
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DIAGNOSTICS (Cont.) For Service Technician Use Only Pin Name Wire Color Power Power On, Hood Fan Hood Fan Hood Fan Hood Fan Hood Hood Microwave On, Door Door Open Motor— Motor— Motor— Motor— Light— Light— Oven Start Closed High Med-High Medium High P4-4 (FC...
COMPONENT TESTING (Cont.) For Service Technician Use Only Safety WARNING DANGER Electrical Shock Hazard Electrical Shock Hazard Only authorized technicians should perform Disconnect power before servicing. diagnostic voltage measurements. Replace all parts and panels before operating. After performing voltage measurements, Failure to do so can result in death or disconnect power before servicing.
COMPONENT TESTING (Cont.) For Service Technician Use Only Component Testing IMPOR TANT: Unplug microwave oven or disconnect power. Conduct a microwave energy test after performing any tests or repairs to the microwave oven. Discharge the high-voltage capacitor and remove the lead wires from the primary winding of the high-voltage transformer before Check that all wire leads are in the correct positions before conducting any of the following tests.
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COMPONENT TESTING (Cont.) For Service Technician Use Only Components Test/Results Hood Exhaust Fan Motor 1. Unplug microwave oven or disconnect power. 2. Remove wire leads. 3. Measure resistance: n High Speed—Normal: Red (RD) and Blue (BU) wires: 70 to 170 ohms (approximate); Blue (BU) and Black (BK) wires: 20 to 100 ohms (approximate) n Middle Speed-Normal: Grey (GY) and Blue (BU) wires: 50 to 130 (approximate) n Low Speed—Normal: White (WH) and Blue (BU) wires: 60 to 160 ohms (approximate);...
COMPONENT TESTING (Cont.) For Service Technician Use Only Output Test 1. Fill the measuring cup with 2 cups (500 mL) of 70°F (21°C) tap 7. Refer to the model serial tag on the microwave oven to water. acquire wattage output rating of the microwave oven. 2.
COMPONENT ACCESS Section 4: Component Access Multimedia This section provides service parts access, removal, and replacement instructions for the “Low Profile Microwave Hood Enhanced Combination.” n Accessing the control panel n Door Removal n Outer Wrapper Removal n Component Locations n Cooktop Fan and Light board and Techsheet location n Hood motor location n Interlock switch replacement...
COMPONENT ACCESS Accessing the Control Panel 2. Lift and pull out to access the control and components WARNING behind it. 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.
COMPONENT ACCESS Door Removal WARNING 3. Lift and pull out to remove the door. 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. Open the door and remove the small black plastic piece below the upper door hinge.
COMPONENT ACCESS Outer Wrapper Removal Component Locations WARNING WARNING Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before operating. Replace all parts and panels before operating. Failure to do so can result in death or Failure to do so can result in death or electrical shock.
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COMPONENT ACCESS A. Cavity Thermostat, Non-resettable. A. Motor Capacitor B. Humidity Sensor A. Magnetron Thermostat D. Hood Motor B. Magnetron E. H.V. Transformer C. H.V. Capacitor F. Cooling Fan Motor A. Cavity Light LED A. Cooktop Light LED Low Profile Microwave Hood Combination...
COMPONENT ACCESS Cooktop Fan and Light Board and Tech Sheet Location 2. Lift and pull out the panel, the board and tech sheet are WARNING located on the back of the panel. 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.
COMPONENT ACCESS Hood Motor location Interlock Switch Replacement WARNING WARNING Electrical Shock Hazard Electrical Shock Hazard Disconnect power before servicing. Disconnect power before servicing. Replace all parts and panels before operating. Replace all parts and panels before operating. Failure to do so can result in death or Failure to do so can result in death or electrical shock.
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COMPONENT ACCESS 3. Disconnect wires from the control panel to access the 5. When re-installing, make sure that cam is in this position. interlock. 6. Move the cam back to this position after the Torx screws have been tightened. 4. Pull the interlock assembly out to replace switches or assembly.
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INFORMATION SOURCES IN THE UNITED STATES: FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL: FOR WHIRLPOOL PRODUCTS: 1-800-253-1301 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER’S HOME CALL: THE TECHNICAL ASSISTANCE LINE: 1-800-832-7174 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN...