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Jenn-Air JMW2427D, Техническое образование

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Microwave Combination Wall Ovens

OPERATION

Wiring Diagram - Microwave Oven

This diagram is just the microwave oven section.  It’s broken out of the complete wiring diagram so 

that we can take a closer look at the diagram without the clutter of the main oven.  Everything in the 

microwave operates at 120 VAC. You will notice the broil element’s is connected to the L2 side of the 

circuit but the broil circuit finishes at Neutral to create the 120 VAC circuit. This is done so that the oven 

can operate the broil (Grill) function when other cooking energy is operating (convection, microwave).  

Just like the main oven, the microwave control board operates when all the LOGIC circuits tell the 

control that everything is ready to start cooking

Содержание JMW2427D

Страница 1: ...JAC 3 JOB AID W10813197 27 30 Microwave Combination Wall Ovens Multimedia Enhanced TECHNICAL EDUCATION...

Страница 2: ...this Job Aid is to provide information that will enable the In Home Service Professional to properly diagnose malfunctions and repair the Jenn Air Built In Wall Ovens The objectives of this Job Aid a...

Страница 3: ...GRAM MICROWAVE OVEN 2 6 SAFETY SYSTEM LOGIC CIRCUITS MICROWAVE OVEN 2 7 RECEIVING AND DISTRIBUTING ELECTRICITY 2 8 THE ELECTRONIC CONTROL BOARD 2 8 USER INTERFACE 2 9 MAIN OVEN APPLIANCE MANAGER 2 10...

Страница 4: ...ICED FROM THE BACK OF THE MAIN OVEN 4 5 EXHAUST BLOWER MOTOR AND FAN ASSEMBLY 4 6 OVEN SHUTDOWN THERMAL FUSE 4 7 HIDDEN BAKE ELEMENT 4 7 MAIN OVEN CONVECTION COMPONENTS 4 8 CONVECTION FAN BLADE 4 8 CO...

Страница 5: ...rmation This section provides general Oven Safety Service information Sales Specifications and some Installation guidelines used for servicing the Microwave Combination Wall Oven Jenn Air Model Number...

Страница 6: ...ERAL INFORMATION Jenn Air Model Numbering System Z EhD Z s KE Z WKE dz z Z K WZK h d KE t K WZK h d KE WZK h d Yh E EhD Z Serial Numbering System t t K s E D D t t D D d E K W W h D t D t K d D E Z E...

Страница 7: ...GENERAL INFORMATION Microwave Combination Wall Ovensn 1 3 Sales Specifications t t K s E D D t t D D d E K W W h D t D t K d D E Z E h WZK h d dzW dhZ W z Z K EdZK h d KE K KZ...

Страница 8: ...to remove oven door 1 Prior to removing the oven door prepare a surface where you will place it This surface should be flat and covered with a soft blanket or use the corner posts from your packaging...

Страница 9: ...crowave Oven Receiving and Distributing Electricity The Electronic Control Board User Interface Main Oven Appliance Manager Main Oven Appliance Manager Connector Test Pins Microwave Oven Appliance Man...

Страница 10: ...uted throughout the system We can look at the Wiring Diagram to see how electricity flows and what information is required by the control board to make everything work and make the consumer s cooking...

Страница 11: ...itch is not turning the oven light on or Off it just provides the necessary LOGIC to the board and the AM operates the light Same thing with the oven LOGIC circuits to the AM The LOGIC circuits suppli...

Страница 12: ...Manager so that the necessary relays on the board open and close The Appliance Manager is also interpreting information from the LOGIC Circuits about the oven The Appliance Manager needs everything ab...

Страница 13: ...r 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...

Страница 14: ...ing in the microwave operates at 120 VAC You will notice the broil element s is connected to the L2 side of the circuit but the broil circuit finishes at Neutral to create the 120 VAC circuit This is...

Страница 15: ...ll open contacts 1 to 2 when the door is open If contacts 1 to 2 don t open when the door is open you would have a direct short through the Monitor switch to the Neutral side of the line The Secondary...

Страница 16: ...ven Appliance Manager and the Microwave Appliance Manager 120 VAC is also available to both Appliance Managers The diagram below provides the voltage information and the terminal pins where proper vol...

Страница 17: ...ctor is important because it receives 14 VDC from the SMPS board across pins J15 2 and J15 4 The J8 connection is for the speaker which is mounted off the board and available as a separate part The J4...

Страница 18: ...ram Compare the Appliance Manager with the main oven wiring diagram The three multi connectors P1 P3 and P5 are shown on the next page with test points P1 Terminal connection from the User Interface A...

Страница 19: ...2 11 Main Oven Appliance Manager Connector Test Pins The P1 Connector provides communications between the User Interface Logic circuits to the Lower Oven Appliance manager The P5 connection controls...

Страница 20: ...n Appliance Manager This is the layout of the Microwave Oven Appliance Manager It shows wire colors test results at each connector and the component each of the connectors control The chart on the nex...

Страница 21: ...on Wall Ovens n 2 13 Main Oven Appliance Manager Test Chart W t d Z W W W W d W W Z Z Dt D W W Dt d W W W dE dE D W W W W t t t d E E D W W W D d W W W Z t d W W W t W W Z t W W W KZ z s z E t d E Z z...

Страница 22: ...ehind the control panel next to the microwave appliance manager This board is supplied with 120 VAC and reduced the output voltage to 14 VDC The CON007 two terminal connector receives 120 VAC input fr...

Страница 23: ...rovides constant microwave energy and doesn t cycle on and off to produce the constant supply When testing this board you just check the 4 connection points CN701 CN702 CN703 and the ground lug No vol...

Страница 24: ...ostic 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 Safety Using th...

Страница 25: ...symbol and either the word DANGER or WARNING These words mean DANGER WARNING Voltage Measurement Safety Information When performing live voltage measurements you must do the following Verify the cont...

Страница 26: ...ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Microwave Combination Wall Oven n 3 3 Safety...

Страница 27: ...ntrol does not enter Diagnostics continue repeating the keypad sequence from Step 1 This is the first screen you will see as you enter Diagnostics Diagnostics Home 3 From the Diagnostic Menu scroll to...

Страница 28: ...he information that is in the Tech Sheet but provides a more direct picture of the repair Always reference the Tech Sheet when diagnosing error codes Follow all safety warnings When measuring resistan...

Страница 29: ...3 6 n Microwave Combination Wall Oven ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Failure Error Codes D W D W...

Страница 30: ...ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Microwave Combination Wall Oven n 3 7 Failure Error Codes...

Страница 31: ...3 8 n Microwave Combination Wall Oven ELECTRONIC CONTROL DIAGNOSTIC MODE AND COMPONENT TESTING Failure Error Codes...

Страница 32: ...t O Oven Self Clean O LEGEND Cold Cavity Temperature is less than 212 F 100 C Warm Cavity Temperature is between 212 F and 599 F 100 C and 315 C Hot Cavity Temperature is greater than 599 F 315 C Mode...

Страница 33: ...d Infinite Secondary Interlock Switch Top 1 Unplug microwave oven or disconnect power 2 Disconnect the wires at the Secondary Interlock Switch 3 Check from the common terminal blue wire to the normall...

Страница 34: ...e wire leads 5 Reassemble all parts and panels before operating 6 Plug in microwave oven or reconnect power Normal 15 Abnormal Infinite F Turntable Motor Bottom 1 Unplug microwave oven or disconnect p...

Страница 35: ...ed Infinite Secondary Interlock Switch Top 1 Unplug microwave oven or disconnect power 2 Disconnect the wires at the Secondary Interlock Switch 3 Check from the common terminal blue wire to the normal...

Страница 36: ...31 to P34 P32 to P33 Normal 0 Abnormal 100k D Humidity Sensor Top 1 Unplug microwave oven or disconnect power 2 Remove the 3 pin connector from MW Appliance Manager 3 Measure resistance across pins 1...

Страница 37: ...Reassemble all parts and panels before operating 6 Plug in microwave oven or reconnect power Normal 12 Abnormal Infinite C Cavity Temp Sensor Rear 1 Unplug microwave oven or disconnect power 2 Remove...

Страница 38: ...2 16 n Microwave Combination Wall Ovens OPERATION NOTES...

Страница 39: ...s at the back of the Main Oven Exhaust Blower Motor and Fan Assembly Oven Shutdown Thermal Fuse Hidden Bake Element Main Oven Convection Components Convection Fan Blade Convection Heating Element Conv...

Страница 40: ...move mounting screws and lift service cover up WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Replace all parts and panels b...

Страница 41: ...TOP SERVICE COVERS ARE REMOVED Cavity Thermostat Convection Thermoactuator Cooling Fan Motor Filter Board Grille Thermostat Humidity Sensor Inverter Board Line Fuse Magnetron Tube MW Light Transforme...

Страница 42: ...cover and remove the cover REMOVING THE LOWER OVEN APPLIANCE MANAGER BOARD WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in death or electrical shock Re...

Страница 43: ...Replace all parts and panels before operating COMPONENTS SERVICED FROM THE BACK OF THE MAIN OVEN Exhaust Blower Motor Oven Shutdown Thermal Fuse Convection Motors The oven will need to be completely r...

Страница 44: ...the electrical connec tion to the motor Remove two Blower Assembly mounting screws from each side of the assembly and remove the assembly REMOVING THE EXHAUST BLOWER MOTOR AND FAN ASSEMBLY WARNING El...

Страница 45: ...r the bottom of the oven Red Wires Remove the two electrical connections from the element REMOVING THE HIDDEN BAKE ELEMENT Under the cover you will locate and remove two bake element mounting screws B...

Страница 46: ...e the Convection cover and pull out of the oven Afteryouremovetheconvectioncoverfromtheback of the oven You can see that the heating element and fan blades are accessable Remove 4 screws from around t...

Страница 47: ...VING THE CONVECTION MOTOR Once the heating element and motor are disconnect ed pull the assembly out of the oven cavity At the back of the assembly you will see your convection motors The motors are m...

Страница 48: ...oven cavity unsnap the light lens and light bulb 3 interior lights and snap the light assemble out Pull fish the wire harness from the back REMOVING THE OVEN DOOR It may be easier servicing the next f...

Страница 49: ...ove two broil ele ment mounting screws Pull the element into the oven to get the wiring harness connections to enter the oven from the back Remove the electrical connections but make sure the harness...

Страница 50: ...connec tion Back of Oven with the rear service panel and the right side Insulation Cover panel removed WARNING Electrical Shock Hazard Disconnect power before servicing Failure to do so can result in...

Страница 51: ...WITCH ASSEMBLY Open the oven door to expose the vent trim located above the oven door opening Remove four mounting screws and remove the vent Locate and remove two Latch Assembly mounting screws at th...

Страница 52: ...ls before operating Remove the dome shaped panel that is held in place with two T10 Torx screws at the top of the panel and two tabs at the bottom The motor mounting panel has the fan motor and the Co...

Страница 53: ...s a D shaft cutout on the fan blade for easy re assembly The motor is held in place by the fan Blade cap nut and three retainer clips that fit into the motor tab cutout in the mounting panel Drop the...

Страница 54: ...remove the retainer clip and pull the sensor out Below from inside the oven cavity The Broil ele ment is shown at the top of the cavity and the Hu midity sensor is shown at the back of the oven sus pe...

Страница 55: ...ms This section provides a look at the 2 Wiring Diagrams being used for the Jenn Aire Microwave Combination Ovens 27 and 30 Electric Convection Self Clean Combination Ovens W10767736 30 Electric Conve...

Страница 56: ...e Oven Models Double Convect Keypad User Interface J1 J4 1 2 3 4 YL BR OR N L1 EOL 1 2 GN RD WH GN RD WH 2 1 2 1 BR OR YL P1 1 2 3 4 5 Thermal Fuse 206 F 93 C BK BK WH 1 2 J8 Upper Copernicus Applianc...

Страница 57: ...Wiring Diagrams Microwave Combination Wall Oven n 5 3 Models JMW2430DB 0 JMW2430DS 0 JMW2430DP 0 JMW2427DB 0 JMW2427DS...

Страница 58: ...5 4 n Microwave Combination Wall Oven Wiring Diagrams Models JMW3430DB 0 JMW3430DS 0 JMW3430DP 0...

Страница 59: ...ASSISTANCE LINE 1 800 832 7174 HAVE YOUR STORE NUMBER READY TO IDENTIFY YOU AS AN AUTHORIZED IN HOME SERVICE PROFESSIONAL FOR LITERATURE ORDERS PHONE 1 800 851 4605 FOR TECHNICAL INFORMATION AND SERV...

Страница 60: ......

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