Related Manuals for Whirlpool MH6140XKQ/B
Summary of Contents for Whirlpool MH6140XKQ/B
- Page 1 CONSUMER SERVICES TECHNICAL KM-27 EDUCATION GROUP PRESENTS MICROWAVE OVEN HOOD COMBINATION JOB AID Part No. 8178053...
- Page 2 This Job Aid, “Whirlpool Microwave Oven Hood Combination,” (Part No.8178053 ), provides the technician with information on the operation and service of the Whirlpool Microwave Oven Hood Combination. It is to be used as a training Job Aid and Service Manual. For specific information on the model being serviced, refer to the “Use and Care Guide,”...
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Page 3: Table Of Contents
Precautions To Be Observed Before And During Servicing To Avoid Possible Exposure To Excessive Microwave Energy ............1-3 R.F. Leakage Test ........................ 1-4 Whirlpool Model & Serial Number Designations ..............1-5 Model & Serial Number Label And Tech Sheet Locations ........... 1-6 Specifications ........................1-7 Whirlpool Microwave Oven Warranty ................. - Page 4 — NOTES — - iv -...
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Page 5: General
GENERAL IMPORTANT SAFETY INFORMATION Your safety and the safety of others is very important. For continued protection against radiation Important safety messages have been pro- emission, replace only with these types of vided in this Job Aid. Always read and obey all switches: Primary (Interlock) Switch: SZM-V16- safety messages. -
Page 6: Warning To Service Technicians
WARNING TO SERVICE TECHNICIANS To avoid possible exposure to microwave ra- Whirlpool microwave ovens have a monitoring diation or energy, visually check the oven for system designed to assure proper operation of damage to the door and door seal before the safety interlock systems. -
Page 7: Precautions To Be Observed Before And During Servicing To Avoid Possible Exposure To Excessive Microwave Energy
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY Do not operate or allow the oven to be the magnetron, wave guide or transmis- operated with the door open. sion line, and cavity for proper alignment, integrity, and connections. -
Page 8: R.f. Leakage Test
R.F. LEAKAGE TEST EQUIPMENT NOTE: Enter leakage readings in space BE- FORE and AFTER on the service document. • Electromagnetic energy leakage monitor (NARDA 81 00B, HOLADAY H 1501 ). All microwave ovens exceeding the emission level of 4 mw/cm must be reported to Dept. -
Page 9: Whirlpool Model & Serial Number Designations
WHIRLPOOL MODEL & SERIAL NUMBER DESIGNATIONS MODEL NUMBER MODEL NUMBER INTERNATIONAL SALES IND. OR MARKETING CHANNEL IF PRESENT PRODUCT GROUP G = WHIRLPOOL GOLD M = MICROWAVE PRODUCT IDENTIFICATION B = BROWNER C = CONVECTION G = GRILL / CRISPER... -
Page 10: Model & Serial Number Label And Tech Sheet Locations
MODEL & SERIAL NUMBER LABEL AND TECH SHEET LOCATIONS The Model/Serial Number label and Tech Sheet locations are shown below. Model & Serial Number Location Tech Sheet Location (Behind Grille) -
Page 11: Specifications
Window Size 18-1/4" W x 7-1/2" H 18-1/4" W x 7-1/2" H Door / Window Graphics Whirlpool Logo on Door; upper left corner Whirlpool Logo on Door; upper left corner Outer Door Stamped Steel with tempered cover Stamped Steel with tempered cover... - Page 12 MH6140XKQ/B MH6141XKQ/B MODEL EXTERIOR FEATURES Outside Dimensions 29-15/16" W x 16-7/16" H x 15-3/8" D 29-15/16" W x 16-7/16" H x 15-3/8" D Control and Door Frames One Piece Molded One Piece Molded Cooktop Light w/Touch Control One Lamp - 30 Watt Easy Access...
- Page 13 ROPER MHE14XKQ/B MODEL Size-Configuration 1.4 cu ft Feature Level/Series Basic Non Sensor DIMENSIONS / SPECIFICATIONS Outside Dimensions 29-15/16" W x 16-7/16" H x 15-3/8" D Interior Cavity Dimensions 19-7/8" W x 8-15/16" H x 14-3/16" D CONTROL SYSTEM Timer Type N / A Limits N / A...
- Page 14 MHE14XKQ/B MODEL EXTERIOR FEATURES Outside Dimensions 29-15/16" W x 16 7/16" H x 15-3/8"" D For Black Model: Black Textured VCM Wrapper Material For White Model: PCM NON-Textured Steel Cooktop Light w/Touch Control One Lamp - 30 Watt Easy Access Power Cord Length 3.28 Ft.
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Page 15: Whirlpool Microwave Oven Warranty
G. Replacement parts or repair labor costs for units operated outside the United States. WHIRLPOOL CORPORATION SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSE- QUENTIAL DAMAGES. Some states do not allow the exclusion or limitation of incidental or consequential damages, so this exclusion or limitation may not apply to you. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state. - Page 16 — NOTES — 1-12...
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Page 17: Theory Of Operation
THEORY OF OPERATION THE VENT MOTOR MOUNTING POSITIONS RECIRCULATING AIR AIRFLOW TOWARDS FRONT OF UNIT REAR VENTED AIR AIRFLOW TOWARDS REAR OF UNIT TOP VENTED AIR AIRFLOW TOWARDS TOP OF UNIT NOTE: All microwave ovens are shipped with the vent motor in the “Top Vented Air” position. -
Page 18: The Oven Thermostat & Vent Motor Capacitor
THE OVEN THERMOSTAT & VENT MOTOR CAPACITOR OVEN THERMOSTAT VENT MOTOR CAPACITOR The oven thermostat is located in the high volt- age section of the oven and is accessed by removing the control panel. The thermostat is The vent motor capacitor is located in the high normally-closed and will open at a set tempera- voltage area of the oven and is accessed by ture to disable the oven. -
Page 19: The Vent & Turntable Motors
THE VENT & TURNTABLE MOTORS THE VENT MOTOR THE TURNTABLE MOTOR The turntable motor is a synchronous motor The vent motor removes smoke and odors from that turns the food so that microwave energy the kitchen cooking area through outside vent- entering it is evenly distributed during cook- ing or by recirculation. - Page 20 — NOTES —...
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Page 21: Component Access
COMPONENT ACCESS This section instructs you on how to service each component inside the Model MH6140XK Microwave Oven Hood Combination. The components and their locations are shown below. COMPONENT LOCATIONS Oven Lamp Vent Motor Vent Motor Capacitor Line Fuse Magnetron Oven Thermostat Turntable Motor... -
Page 22: Removing The Turntable Motor & Cooktop Lamp Assembly
REMOVING THE TURNTABLE MOTOR & COOKTOP LAMP ASSEMBLY To remove the turntable motor: WARNING a) Remove the glass turntable, roller as- sembly, and spindle from inside the ELECTRICAL SHOCK HAZARD oven cavity. Disconnect power before servicing. Replace all panels before operating. Failure to do so could result in death or Spindle electrical shock. - Page 23 c) Remove the two screws from the turn- To remove the cooktop lamp assem- table motor and remove the motor. bly: a) Turn the cooktop lamp socket counter- clockwise and align the socket tabs with the cover slots, then remove the lamp assembly.
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Page 24: Removing The Control Panel & Control Board
REMOVING THE CONTROL PANEL & CONTROL BOARD Remove the screw from the top of the WARNING control panel and pull the top forward. Control Panel Screw ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Replace all panels before operating. Failure to do so could result in death or electrical shock. - Page 25 Place your fingertips under the ends of the Remove the two screws from the trans- ribbon cable connector locking rail and lift former bracket. the rail, then pull the end of the ribbon Transformer Bracket Screws cable out of the connector. Locking 10.
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Page 26: Removing The Door Switches
REMOVING THE DOOR SWITCHES To remove the primary interlock switch: WARNING a) Disconnect the wire connectors from the terminals. ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Raise Locking Arm Replace all panels before operating. Failure to do so could result in death or Primary 2 White electrical shock. -
Page 27: Removing The Oven Lamp Assembly
REMOVING THE OVEN LAMP ASSEMBLY Lift the oven lamp mounting bracket by its WARNING tab and remove the lamp assembly from the mounting location. NOTE: Be careful not to break the fragile wire socket con- ELECTRICAL SHOCK HAZARD nectors. Disconnect power before servicing. Replace all panels before operating. -
Page 28: Removing The Oven Thermostat, Line Fuse, & Power Cord
REMOVING THE OVEN THERMOSTAT, LINE FUSE, & POWER CORD To remove the oven thermostat: WARNING a) Remove the wires from the terminals. b) Position the terminals so they align with ELECTRICAL SHOCK HAZARD the air cover slot and slide the thermo- Disconnect power before servicing. - Page 29 To remove the power cord: a) Remove the black wire with clip from the line fuse. b) Remove the green ground wire screw. Black Wire Green Ground To Line Fuse Wire Screw Pull Power Cord Out Of Air Duct White Wire Connector To Oven Thermostat d) Slide the power cord out of the air duct holder slots.
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Page 30: Removing The Vent Motor Capacitor, The High Voltage Capacitor & Rectifier
REMOVING THE VENT MOTOR CAPACITOR, THE HIGH VOLTAGE CAPACITOR & RECTIFIER To remove the vent motor capacitor: WARNING a) Cut the wires near the body of the capacitor. ELECTRICAL SHOCK HAZARD b) Unsnap the capacitor from the holder Disconnect power before servicing. and lift it out of the holder. -
Page 31: Removing The High Voltage Transformer
REMOVING THE HIGH VOLTAGE TRANSFORMER Disconnect the white and black wires from WARNING the two terminals on the high voltage trans- former. ELECTRICAL SHOCK HAZARD Disconnect the 3-wire connector from the magnetron. Disconnect power before servicing. Replace all panels before operating. 3-Wire Connector Failure to do so could result in death or electrical shock. -
Page 32: Removing The Magnetron
REMOVING THE MAGNETRON Remove the high voltage capacitor and WARNING high voltage rectifier (see page 3-10 for the procedure), and the high voltage trans- former (see page 3-11 for the procedure). ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Magnetron Replace all panels before operating. Failure to do so could result in death or electrical shock. -
Page 33: Removing The Vent Motor
REMOVING THE VENT MOTOR Remove the vent motor mounting screw WARNING from the rear panel. ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Replace all panels before operating. Failure to do so could result in death or electrical shock. CAUTION: When you work on the microwave oven, be careful when handling the sheet metal parts. -
Page 34: Removing The Oven Door, The Switch Actuators, And The Outer Glass
REMOVING THE OVEN DOOR, THE SWITCH ACTUATORS, AND THE OUTER GLASS b) Use a putty knife and pry out along the WARNING inner edge of the choke cover. c) Pull out on the cover to release all of the ELECTRICAL SHOCK HAZARD locking tabs, and remove the cover from the door. - Page 35 To remove the switch actuators: d) Unhook the ends of the spring from the actuators. a) Remove the two inner door frame screws. Switch Actuators Inner Door Frame Door Frame Screw (1 of 2) Unhook Spring b) Start at the lower right corner of the e) Unhook the actuators from the slots in door and unclip the locking tabs along the inner door frame.
- Page 36 To remove the outer glass: a) Use a screwdriver and push the 10 locking tabs (see the arrows below) back so they are not over the glass. Outer Glass Tab Over Outer Glass b) Lift the glass and remove it from the door frame.
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Page 37: Component Testing
COMPONENT TESTING Before testing any of the components, perform • Perform a microwave energy test after com- the following checks: pleting any repairs to the microwave. • Disconnect the power supply cord from the • Make sure that all wires are properly con- outlet before removing the outer cabinet nected before operating the microwave oven. -
Page 38: The Turntable & Vent Motors
THE TURNTABLE & VENT MOTORS WARNING WARNING ELECTRICAL SHOCK HAZARD ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Disconnect power before servicing. Replace all panels before operating. Replace all panels before operating. Failure to do so could result in death or Failure to do so could result in death or electrical shock. -
Page 39: The Vent Motor Capacitor, Line Fuse, Oven Thermostat, & Door Switch
THE VENT MOTOR CAPACITOR, LINE FUSE, OVEN THERMOSTAT, & DOOR SWITCH To test the oven thermostat: WARNING a) Disconnect the wires from the termi- nals. ELECTRICAL SHOCK HAZARD b) Touch the ohmmeter leads to the ter- Disconnect power before servicing. minals. -
Page 40: The High Voltage Capacitor & Rectifier
THE HIGH VOLTAGE CAPACITOR & RECTIFIER (DIODE) To test the high voltage rectifier: WARNING a) Set the ohmmeter to the R x 1K scale. b) Touch the positive ohmmeter lead to ELECTRICAL SHOCK HAZARD the anode lead of the rectifier and the Disconnect power before servicing. -
Page 41: The High Voltage Transformer
THE HIGH VOLTAGE TRANSFORMER High Voltage Transformer WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Replace all panels before operating. Failure to do so could result in death or Secondary (White) electrical shock. To HV Capacitor Primary Refer to page 3-11 for the procedure for servic- (Blk &... -
Page 42: The Magnetron
THE MAGNETRON Magnetron WARNING ELECTRICAL SHOCK HAZARD Disconnect power before servicing. Replace all panels before operating. Failure to do so could result in death or electrical shock. Refer to page 3-12 for the procedure for servic- ing the magnetron. Disconnect the electrical power to the microwave oven. -
Page 43: Wiring Diagram & Strip Circuits
WIRING DIAGRAM & STRIP CIRCUITS WIRING DIAGRAM 120 VAC, 60 HZ SINGLE PHASE ONLY FUSE 20A MICROCOMPUTER BOARD OVEN THERMOSTAT (90°C/194°F OVEN LAMP L.V. TRANSFORMER VENT MOTOR CAPACITOR COOKTOP LAMP SECONDARY INTERLOCK SWITCH (BOTTOM) PRIMARY INTERLOCK SWITCH (TOP) MONITOR SWITCH (MIDDLE) THERMISTOR H.V. -
Page 44: Strip Circuits
STRIP CIRCUITS UNIT IS PLUGGED IN - CLOCK IS WORKING OVEN MICRO COMPUTER THERMOSTAT BOARD POWER TRANS FUSE 20A RELAY 7 DOOR IS OPEN - OVEN LAMP IS ON OVEN THERMOSTAT POWER TRANS FUSE 20A RELAY 7 OVEN LAMP RELAY 3 BR/BK WH/BL VENT MOTOR IS ON “LOW”... - Page 45 TURNTABLE MOTOR IS ON OVEN THERMOSTAT POWER TRANS FUSE 20A RELAY 7 TURNTABLE SECONDARY MOTOR INTERLOCK SWITCH RELAY 3 YL/WH COOKTOP LAMPS ARE ON “HIGH” OR “LOW” OVEN THERMOSTAT POWER TRANS FUSE 20A RELAY 7 COOKTOP LAMP RELAY1 RELAY 2 MICROWAVE COOKING IS ON OVEN THERMOSTAT...
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Page 47: Product Specifications
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: 1-800-253-2870... - Page 48 CORPORATION...