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Jenn-Air JMW2430D, Technical Education

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Jenn-Air JMW2430D Technical Education Download Page 42

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Microwave Combination Wall Ovens

COMPONENT ACCESS                         

  

Pull oven out of the cabinet approximately 14” to 

expose the Lower Oven Appliance Manager Access 

cover on the left side of the oven cabinet.  Remove 

6 mounting screws from the 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.

Replace all parts and panels before operating.

Under the cover is the Lower Oven Appliance Man-

ager and the 20 amp line fuse.  Remove the electri-

cal connections and 4 mounting screws securing the 

Appliance Manager Board, remove Board

Summary of Contents for JMW2430D

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

Page 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...

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