Whirlpool WOC75EC7H Service Manual Download Page 63

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For Service Technician Use Only

COMPONENT TESTING

Whirlpool

Smart Wall Ovens

3-15

Component Location

Microwave Oven

Component Testing Chart - Microwave Oven

Component

Serviceable

Side

Procedure

Results-Resistance

Component

Location

ACU

Top

Check wiring to MW ACU

Unplug microwave oven or disconnect power.

Visually inspect connectors on the microwave

ACU, P1, P2, P8, P21, P22, P23, P26, P354,

P355, and the top connectors (relays 4903,

4904, and 4905) to see whether there are

signs of overheating or any signs of failure due

to loose wires, bad crimping, etc.

Reassemble all parts and panels before

operating.

Plug in microwave oven or reconnect power.

A. Turntable Motor

B. Secondary Interlock Switch

C. Magnetron Fan Motor

D. Humidity Sensor

E. Cavity Thermostat

F. Line Filter

G. Cavity Temprature Sensor

H. Inverter

I. Microwave Light Transformer

J. Magnetron Thermistor

K. Magnetron

L. ACU

M. Monitor Interlock Switch

N. Primary Interlock Switch

O. Halogen Lamp

Not shown: Monitor Fuse, Line Fuse

Summary of Contents for WOC75EC7H

Page 1: ...ANUAL Whirlpool Smart Wall Ovens Model No WOC54EC0H WOC54EC7H WOC75EC0H WOC75EC7H WOC97EC0H WOCA7EC0H WOD51EC0H WOD51EC7H WOD77EC0H WOD77EC7H WOD97EC0H WODA7EC0H WOS51EC0H WOS51EC7H WOS72EC0H WOS72EC7H WOS97EC0H WOSA2EC0H W11174422 ...

Page 2: ...efer to the Use and Care Guide or Installation Instructions provided with the oven GOALS AND OBJECTIVES The goal of this Service Manual is to provide information that will enable the In Home Service Professional to properly diagnose malfunctions and repair the Whripool Smart Wall Ovens The objectives of this Service Manual are to Understand and follow proper safety precautions Successfully trouble...

Page 3: ...ODES 2 5 SECTION 3 COMPONENT TESTING 3 1 SAFETY 3 2 WIRING DIAGRAM 3 3 COMPONENT TESTING 3 13 COMPONENT LOCATION 3 15 SECTION 4 COMPONENT ACCESS 4 1 REMOVING THE MICROWAVE HMI 4 2 ACCESSING THE MICROWAVE APPLIANCE MANAGER 4 3 ACCESSING THE MICROWAVE INVERTER BOARD 4 5 ACCESSING THE MICROWAVE MAGNETRON 4 6 REMOVING THE OVEN DOOR 4 9 ACCESSING THE OVEN DOOR LATCH 4 10 OVEN ACCESSING THE APPLICATION ...

Page 4: ...iv n Whirlpool Smart Wall Ovens ...

Page 5: ...GENERAL INFORMATION Whirlpool Smart Wall Ovens 1 1 Section 1 General Information Product Features Microwave Features Model Serial Label Model Nomenclature Back to Table of Contents ...

Page 6: ...u what can happen if the instructions are not followed 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 All safety messages will follow the safety alert s...

Page 7: ...Warm Setting Off Cancel Language Conversion Popcorn Rapid Preheat Reheat Sabbath Mode Soften Melt Start Time Sound On Off Stop Time Steam Temperature Sensor Baking Timer Timer Warm Hold Controls Exterior Control Type Touch Screen Door Lock Yes Door Removable Yes Door Type Metal Glass Electronic Display Type LCD Screen Flush Installation Approved Yes Handle Color Black Number of Keypads 1 Handle Ma...

Page 8: ...d Preheat Sabbath Mode Start Time Stop Time Temperature Sensor Baking Timer Warm Hold Details Automatic Shut Off Yes Oven Cooking System Thermal Bake Element Power 2800 W Hidden Bake Element Yes Number of Bake Elements 1 Broiler Element Power 3600 W Broiler Location Top of Oven Door Broil Position Closed Number of Broil Elements 1 Interior Coating Porcelain Interior Color Grey Light Control Oven L...

Page 9: ... Color Electronic Display Type LCD Screen Exterior Door Lock Yes Door Removable Yes Door Type Metal Glass Handle Color Black Handle Material Plastic Oven Window Size Extra Large Dimensions Capacity FT3 cubic feet 10 Cutout Depth IN inches 24 Cutout Height IN inches 501 4 Cutout Width IN inches 281 2 Depth Closed Excluding Handles IN inches 241 2 Depth Closed Including Handles IN inches 267 16 Dept...

Page 10: ...on Reheat Rapid Preheat Soften Melt Sabbath Mode Sound On Off Start Time Steam Stop Time Timer Temperature Sensor Baking Timer Warm Hold Temperature Conversion Yes Microwave Details Oven Details Microwave Capacity cu ft 1 4 Oven Capacity cu ft 5 Cooking Power Watts 900 Automatic Shut Off Yes Convection Yes Oven Cooking System True Convection Bake Element Power 2800 W Convection Power Watts 1600 Hi...

Page 11: ...inches 19 Oven Interior Height IN inches 18 Oven Interior Width IN inches 25 Oven Self Cleaning Self Cleaning Exterior Door Lock Yes Door Removable Yes Door Type Metal Glass Handle Color Black Handle Material Plastic Oven Window Size Extra Large Dimensions Capacity FT3 cubic feet 6 4 Cutout Depth IN inches 24 Cutout Height IN inches 415 16 Cutout Width IN inches 281 2 Depth Closed Excluding Handle...

Page 12: ...losed press the Oven Light keypad to turn the light on and off When the oven door is opened the oven light will automatically turn on Favorites The Favorites keypad allows the user to save the cycles that they use on a frequent basis Tools Enables you to personalize the audible tones and oven operation to suit your needs See the Tools and More Modes sections Upper Lower The Upper and Lower keypad ...

Page 13: ...s Assisted Cooking Scroll through the Assisted Cooking menu until the desired food selection is reached Follow the prompts on the screen to customize the settings for Assisted Cooking The microwave oven sensor adjusts the cooking times and power levels for various foods and quantities NOTE The microwave oven may prompt user to input weight to help optimize the settings Favorites The Favorites feat...

Page 14: ...se in the recipe Position food on grid in a broiler pan and then place it in the center of the oven rack Close the oven door to ensure proper broiling temperature NOTE Odors and smoke are normal the first few times the oven is used or if the oven is heavily soiled Changing the temperature when broiling allows more precise control when cooking The lower the broil setting the slower the cooking Thic...

Page 15: ...in oven and connect the temperature probe to the jack Keep probe as far away from heat source as possible Close oven door NOTE The temperature probe must be inserted into the food item before the mode is selected Use the Assisted Cooking feature for guidance and step by step instructions on inserting the probe and selecting target food internal temperatures Plug the probe into the oven s port or p...

Page 16: ... THERMAL Wall Oven s 2 TRUE CONVECTION Wall Oven s 3 UPPER TRUE CONVECTION LOWER THERMAL 4 MICRO WAVE UPPER LOWER THERMAL 5 MICRO WAVE UPPER LOWER TRUE CONVECTION KEY FEATURE E ELECTRIC G GAS I INDUCTION M STANDARD CLEAN W STEAM CLEAN S SELF CLEAN H HE SELF CLEAN C STEAM CLEAN SELF CLEAN 0 30 WIDTH 7 27 WIDTH YEAR PF MARKET INTRODUCTION G 2017 H 2018 J 2019 SERIAL NUMBER D 7 47 03117 DIVISION RESP...

Page 17: ...GENERAL INFORMATION Whirlpool Smart Wall Ovens n 1 13 Tech Sheet Location Tech Sheet Location For Combo Unit side of oven shroud Tech Sheet Location For Single and Double Wall Oven top panel ...

Page 18: ...GENERAL INFORMATION 1 14 n Whirlpool Smart Wall Ovens ...

Page 19: ...DIAGNOSTICS TROUBLESHOOTING Whirlpool Smart Wall Ovens 2 1 Section 2 Diagnostics Safety Back to Table of Contents ...

Page 20: ...R or WARNING These words mean follow instructions instructions DANGER WARNING DANGER Electrical Shock Hazard Only authorized technicians should perform diagnostic voltage measurements After performing voltage measurements disconnect power before servicing Failure to follow these instructions can result in death or electrical shock WARNING Electrical Shock Hazard Disconnect power before servicing F...

Page 21: ...be displayed Press ENTER 2 If the control does not enter Diagnostics continue repeating the keypad sequence from Step 1 All the keypads will light up when the control enters Diagnostics 3 From the Diagnostic Menu scroll to the desired selection using the touchscreen Error Diagnostics View and clear the failure history Component Activation Manually activate each relay Sensors Switches View the trad...

Page 22: ...Relay Lower Convection Fan Lower Cavity Convection Fan Relay Lower Cooling Fan High Speed Lower Cooling Fan High Speed Relay Lower Cooling Fan Low Speed Lower Cooling Fan Low Speed Triac Lower Oven Light Lower Oven Light Triac Lower Door Latch Motor Lower Door Latch Motor Relay Microwave Oven Combination Lower Oven Selection Relay MW Light MW Light Relay MW Turntable MW Turntable Relay MW Cooling ...

Page 23: ...sion Diagnostics Entries Number of times Diagnostic Menu has been entered General Procedure Model Selection NOTE When a new User Interface is installed you will be prompted to select a new model number upon power up To change the model number on an existing UI follow the steps below 1 Plug in microwave oven or connect power 2 Enter Diagnostics mode 3 Touch or scroll to System Information in the Di...

Page 24: ... Central UI board Control Panel Assembly and repeat steps 5 through 7 F1 Internal E0 Oven User Interface UI Failure NOTE Before starting any test cycle power to the oven power off wait 10 seconds then power on PROCEDURE Before proceeding verify the error code by entering the Diagnostics Menu and selecting Error Diagnostics NOTE If other error codes are stored troubleshoot those other error codes f...

Page 25: ...er off wait 10 seconds then power on After powering on be sure that a load such as a microwave safe cup of water is present in the microwave oven cavity and start a microwave cooking function Wait 1 minute then verify that the failure happens again 1 Make sure that all interlock switches work properly When door is open microwave light is on when door is closed microwave light is off 2 Unplug the o...

Page 26: ...l present be sure that a load such as a microwave safe cup of water is present in the microwave oven cavity and start a cooking function in the microwave oven Wait 1 minute to check if the error appears If error remains then go to Step 9 If not go to Step 17 9 Unplug the oven or disconnect power 10 Replace the Magnetron 11 Reassemble all parts and panels before operating 12 Plug in microwave oven ...

Page 27: ... microwave safe cup of water is present in the microwave oven cavity and start a cooking function in the microwave oven Wait 1 minute to check if the error appears If error remains then go to Step 8 If not go to Step 16 8 Unplug the oven or disconnect power and replace the Inverter Board 9 Reassemble all parts and panels before operating 10 Plug in the oven or reconnect power 11 To check if the er...

Page 28: ...o clear the error history F2 Keypad E1 Stuck shorted key F3 Sensors E0 Main oven sensor open or shorted NOTE Before starting any test cycle power to the oven power off wait 10 seconds then power on PROCEDURE Before proceeding verify the error code by entering the Diagnostics Menu and selecting Error Diagnostics 1 Unplug the oven or disconnect power 2 Disconnect connector P3 from Oven ACU and measu...

Page 29: ...s and panels before operating 6 Plug in the oven or reconnect power 7 Verify operation is normal Enter the Diagnostics Menu select Error Diagnostics and clear the history F4E2 Magnetron Temperature Sensor Error NOTE Before starting any test cycle power to the oven power off wait 10 seconds and then power on After powering on be sure that a load such as a microwave safe cup of water is present in t...

Page 30: ...n the oven or reconnect power 7 Verify operation is normal Enter the Diagnostics Menu select Error Diagnostics and clear the history F4E8 Inverter Over Temperature NOTE Before starting any test cycle power to the oven power off wait 10 seconds then power on After powering on be sure that a load such as a microwave safe cup of water is present in the microwave oven cavity and start a microwave cook...

Page 31: ... loose connectors b Oven installation and make sure there is no air blockage at the bottom vent 3 Reassemble all parts and panels before operating 4 Plug in microwave oven or reconnect power 5 To check if the cooling fan is stalled be sure that a load such as a microwave safe cup of water is present in the microwave oven cavity and start a cooking function in the microwave oven Make sure the fan i...

Page 32: ...or from Copernicus ACU 4 Measure the resistance between connectors J8 2 and P5 1 It should be 500Ω to 3000Ω at 77 F 25 C 5 If the resistance check is outside the range replace the affected door latch assembly Verify that the error is gone 6 Reassemble all parts and panels 7 Plug in microwave oven or reconnect power 8 Enter the Diagnostics Menu and select Component Activation Check the door status ...

Page 33: ...disconnect power replace Copernicus ACU and go to Step 6 2 If latch status on screen is open unplug microwave oven or disconnect power and check for loose harness connection between motor latch switch and P3 5 and P3 7 3 Disconnect connector J8 from Copernicus ACU 4 Measure the resistance between connectors J8 2 and P5 1 It should be 500 Ω to 3000 Ω at 77 F 25 C 5 If the resistance check is outsid...

Page 34: ...and P1 5 to P1 4 Check for continuity between P1 1 and P1 2 3 If continuity has been confirmed plug in the oven or reconnect power 4 If the error reappears open door and check if light is on 5 If light is off unplug the oven or disconnect power and replace ACU If light is on unplug the oven or disconnect power and replace HMI Central UI board Control Panel Assembly 6 Reassemble all parts and panel...

Page 35: ...f there is a shorted relay replace the Copernicus ACU Go to Step 9 6 If everything is correct disconnect connector P3 from the Copernicus ACU 7 Measure the resistance of the oven sensor It should be 1000Ω to 1200Ω at 77 F 25 C 8 Check sensor for short to ground If checks on sensor are not correct replace the sensor and repeat the checks 9 Reassemble all parts and panels before operating 10 Plug in...

Page 36: ...nostics mode and remove error code s F6E8 Lost communications with microwave oven ACU NOTE Before starting any test cycle power to the microwave oven power off wait 10 seconds and power on PROCEDURE Before proceeding verify the error code by entering the Diagnostics Menu and selecting Error Diagnostics 1 Make sure the oven is plugged in Open microwave door to check if the light comes on 2 Check th...

Page 37: ... seconds 3 Plug in the oven or reconnect power 4 Enter Diagnostics mode and navigate to the Component Activation list 5 Turn on the Cooling Fan Low Speed 6 Check for proper voltage input at P5 5 and neutral for high speed fan P5 4 and neutral for low speed fan when cooling fan should be running by completing following steps 7 Unplug the oven or disconnect power 8 Connect voltage measurement equipm...

Page 38: ...on is loose reconnect and proceed to Step 5 4 Replace HMI Central UI board Control Panel Assembly 5 Reassemble all parts and panels before operating 6 Plug in the oven or reconnect power and follow the on screen prompts for a model selection 7 Confirm operation of the speaker If problem persists unplug the oven or disconnect power replace HMI Central UI board Control Panel Assembly and repeat step...

Page 39: ...normal Enter Diagnostics mode select Error Diagnostics and clear the history If the HMI Central UI board Control Panel Assembly was replaced there is no need to clear the error history F2 Keypad E0 Keypad disconnected NOTE Before starting any test cycle power to the oven power off wait 10 seconds and power on PROCEDURE Before proceeding verify the error code by entering the Diagnostics mode and se...

Page 40: ...nsor are not correct replace sensor and repeat the checks 3 Reassemble all parts and panels before operating 4 Plug in the oven or reconnect power 5 Enter Diagnostics mode and select Sensors Switches to verify if the temperature shown in the Cavity Temp display is correct ambient temperature If it is go to Step 8 NOTE On the status screen the unit of measurement is Celsius 6 If not unplug the oven...

Page 41: ...nce check is not correct replace the affected door latch assembly 7 Verify that the resistance between connectors J8 2 and P5 1 is 500 Ω to 3000 Ω at 77 F 25 C 8 Reassemble all parts and panels before operating 9 Plug in the oven or reconnect power 10 Enter the Diagnostic mode and select Sensors Switches Check the door status on the screen by opening and closing the oven door 11 If status does not...

Page 42: ...h status on screen is open unplug the oven or disconnect power 5 Check for loose harness connection between motor latch switch and P3 5 and P3 7 6 Disconnect connector J8 from the Copernicus ACU Measure the resistance between connectors J8 2 and P5 1 It should be 500Ω to 3000Ω at 77 F 25 C 7 If the resistance check is outside the range replace the door latch assembly 8 Verify that the resistance b...

Page 43: ...m the Copernicus ACU and measure the resistance of the oven sensor It should be 1000Ω to 1200Ω at 77 F 25 C Check sensor for short to ground If checks on sensor are not correct replace the sensor and repeat the checks 8 Reassemble all parts and panels before operating 9 Plug in the oven or reconnect power 10 Enter the Diagnostics mode and select Sensors Switches to verify that the corresponding ov...

Page 44: ...s open door and check if light is on 5 If light is off unplug the oven or disconnect power and replace ACU If light is on unplug the oven or disconnect power and replace HMI Central UI board Control Panel Assembly 6 Reassemble all parts and panels before operating 7 Plug in the oven or reconnect power 8 Follow the on screen prompts to select the model number 9 Verify operation is normal Enter diag...

Page 45: ...d neutral for high speed fan P5 4 and neutral for low speed fan when cooling fan should be running by completing following steps 7 Unplug the oven or disconnect power 8 Connect voltage measurement equipment 9 Plug in the oven or reconnect power Measure voltage and confirm voltage reading is 120 V If it is not unplug the oven or disconnect power and go to Step 13 If it is go to Step 10 10 Check for...

Page 46: ...tics 1 Unplug the oven or disconnect power 2 Access the electrical wiring from the house power supply to the oven 3 Check house wiring to the product Check to see if the neutral connection is switched with L1 or L2 refer to the Installation Instructions for product wiring 4 Verify correct power supply to unit L1 to L2 240 V L1 to Neutral 120 V and L2 to Neutral 120 V 5 Reassemble all parts and pan...

Page 47: ...For Service Technician Use Only DIAGNOSTICS TROUBLESHOOTING Whirlpool Smart Wall Ovens n 2 29 ...

Page 48: ...For Service Technician Use Only DIAGNOSTICS TROUBLESHOOTING 2 30 n Whirlpool Smart Wall Ovens ...

Page 49: ...COMPONENT TESTING Whirlpool Smart Wall Ovens 3 1 Section 3 Component Testing Safety Wiring Diagram Back to Table of Contents ...

Page 50: ... in death or electrical shock Replace all parts and panels before operating Voltage Measurement Safety Information When performing live voltage measurements you must do the following Verify the controls are in the off position so that the appliance does not start when energized Allow enough space to perform the voltage measurements without obstructions Keep other people a safe distance away from t...

Page 51: ... CN703 E701 CN702 90 R 91 R F FA Magnetron GN 19 YL K4 K7 K8 YL WH WH GY Motor Door Latch GY BK LS Cooling Fan BK P5 BK BU HS Cooling Fan RD RD PX4 PX1 PX3 BU Broil 3600W BU RD Bake 2800W RD RD WH K11 K10 K3 Copernicus Temperature Limiter Open Temp 338ÀF 170ÀC YL OR BK WH J8 V P3 V Appliance Manager BU TN Sensor Oven Temperature BR Motor Latch Switch GN OR RD WH YL Door Switch OR BK EOL Keypad J1 ...

Page 52: ... BR 8 BU Transformer 32 YL 71 BR 22 BR 52 BU Primary Switch Interlock 21 BR Line 31 YL 20A Fuse 42 WH 43 BU Monitor 51 BU Switch Interlock Cavity Magn Thermostat Humidity Thermistor Sensor 1600 Switch 61 WH Secondary Interlock 4903 MW Relay 9 BU 63 WH PWM 90 RD 91 RD Magnetron MW Inverter 15 BK 19 YL GN Line Filter L1 11 WH N Keypad MW Appliance Manager RD K14 K2 K3 P11 P3 P2 P1 1 2 1 3 4 1 3 4 1 ...

Page 53: ...BU PWM 90 RD 91 RD MW Inverter Magnetron 19 YL GN 15 BK 11 WH Line Filter L1 N MW Keypad Appliance Manager RD K14 K2 K3 P11 P3 P2 P1 1 2 1 3 4 1 3 4 1 1 2 2 1 2 K1 P15 P4 1 2 7 8 9 5 6 K12 3 4 K10 P5 1 2 7 8 9 5 6 3 4 P13 10 11 12 Oven Sensor 1 Temperature 2 7 8 9 5 6 3 4 10 11 12 17 18 19 15 16 13 14 20 P12 1 P10 2 3 4 1 2 5 3 4 P9 1 2 7 5 6 P7 3 4 P6 1 2 5 3 4 J1 J2 1 2 3 4 5 1 2 3 4 1 2 1 2 3 4...

Page 54: ...oil 3600W BU Bake 2800W RD RD YL YL RD RD Convect 2500W PX4 PX1 PX3 RD WH K11 K10 K2 K3 ACU YL OR Copernicus BK WH J8 P3 VT VT Temperature Limiter Open Temp 338ÀF 170ÀC BU Sensor TN Oven Temperature BR Motor Latch Switch GN OR RD WH YL Door Switch OR BK EOL Keypad J1 User Interface P1 YL BR Win Power OR BR OR YL P1 RD YL N L2 L1 BK P4 8 BU Hall Sensor WH Oven Lights WH BK TR1 P7 1 2 3 4 Thermo Fus...

Page 55: ...atch WH LS Cooling Fan WH BK Lower Oven Sensor M Temperature M M V V TN LO Motor Latch Switch P3 1 BR Lower Door Switch OR BK 2 3 4 5 6 7 8 9 10 K4 K7 K8 1 2 3 4 5 6 7 P5 YL GY GY BK M M M LO HS Cooling Fan LO LS Cooling Fan K11 K10 Lower Motor Door Latch K3 1 2 PX4 1 2 PX3 1 2 3 4 PX1 BU RD WH BU Lower Broil 3600W BU RD Lower Bake 2800W RD Win Power Lower Temperature Limiter Open Temp 338 F 170 C...

Page 56: ... Door Latch WH Convect Fan WH WH BK Lower Oven Sensor M Temperature M M M V V TN LO Motor Latch Switch P3 1 BR Lower Door Switch OR BK 2 3 4 5 6 7 8 9 10 K4 K6 K7 K8 1 2 3 4 5 6 7 P5 YL OR GY GY BK M M M M LO HS Cooling Fan LO LS Cooling Fan K11 Lower Motor Door Latch Lower Convect Fan K10 K2 K3 1 2 PX4 1 2 PX3 1 2 3 4 PX1 BU RD WH BU Lower Broil 3600W BU RD Lower Bake 2800W RD YL Lower Convect 25...

Page 57: ...r Oven Sensor Temperature M M M M VT VT TN LO Motor Latch Switch P3 1 BR Lower Door Switch OR BK 2 3 4 5 6 7 8 9 10 K4 K6 K7 K8 1 2 3 4 5 6 7 P5 YL OR GY GY BK M M M M LO HS Cooling Fan LO LS Cooling Fan K11 Lower Motor Door Latch K10 Lower Convect Fan K2 K3 1 2 PX4 1 2 PX3 1 2 3 4 PX1 BU RD WH BU Lower Broil 3600W BU RD Lower Bake 2800W RD YL Lower Convect 2500W YL Win Power Lower Temperature Lim...

Page 58: ... 2 BK WH 3 4 5 6 7 GY BK M HS Cooling Fan GY YL M M WH Motor Door Latch LS Cooling Fan RD WH RD RD Temperature Limiter Open Temp 338 F 170 C BU BU Bake 2800W Broil 3600W RD BU RD BK N L2 L1 Win Power R YL BK Hall P4 Sensor WH WH Oven Lights BK TR1 P7 1 2 3 4 Thermo Fuse LEGEND Indicator Light Thermistor Non Resettable Fuse Connection No Connection On Some Models In Line Connection Connector P2 Pos...

Page 59: ...WH WH 3 4 5 6 7 GY BK M HS Cooling Fan GY OR YL M M M WH LS Cooling Fan Motor Door Latch RD WH Convect Fan RD YL RD BU Temperature Limiter Open Temp 338 F 170 C BU YL Convect 2500W Broil 3600W Bake 2800W RD BU RD BK BK N L2 L1 Win Power R YL BK P4 Hall Sensor WH WH Oven Lights BK TR1 P7 1 2 3 4 Thermo Fuse LEGEND Indicator Light Thermistor Non Resettable Fuse Connection No Connection On Some Model...

Page 60: ...GY BK M HS Cooling Fan GY OR YL M M M WH LS Cooling Fan Motor Door Latch RD WH Convect Fan RD YL RD Temperature Limiter Open Temp 338 F 170 C BU BU YL Convect 2500W Bake 2800W Broil 3600W RD RD BU BK BK N L2 L1 Win Power RD YL BK Hall P4 Sensor WH WH Oven Lights BK TR1 P7 1 2 3 4 Thermo Fuse LEGEND Indicator Light Thermistor Non Resettable Fuse Connection No Connection On Some Models In Line Conne...

Page 61: ...or Low Speed Rear P5 4 to N J8 2 15 Ω to 23 Ω 120 VAC motor running Thermal Limiter Rear PX3 1 to L2 Main line Closed circuit 0 V closed N A open Thermal Fuse only for single double Front PX1 1 to PX3 2 Closed circuit 0 V closed N A open Convection Fan Rear P5 3 to N J8 2 20 Ω to 28 Ω 120 VAC motor running Convection Element Front PX1 3 to PX3 2 21 3 Ω to 24 7 Ω 240 VAC Convection cycle operating ...

Page 62: ...erating Broil Element Front PX4 2 to PX3 2 13 5Ω to 14 92Ω 240 VAC Broil cycle operating User Interface Board Front P1 4 TO P1 1 N A 14 VDC Copernicus ACU Top single double Side combo P1 2 to P1 5 N A 14 VDC NOTES Disconnect the harness from the board before performing measurements See the following table for connector pin identification Copernicus ACU Harness Connector Pin Copernicus ACU Pin PX1 ...

Page 63: ...op connectors relays 4903 4904 and 4905 to see whether there are signs of overheating or any signs of failure due to loose wires bad crimping etc 3 Reassemble all parts and panels before operating 4 Plug in microwave oven or reconnect power L L N I K J M E D A H G F C B O A Turntable Motor B Secondary Interlock Switch C Magnetron Fan Motor D Humidity Sensor E Cavity Thermostat F Line Filter G Cavi...

Page 64: ...cale Rx1 4 Replace wire leads 5 Reassemble all parts and panels before operating 6 Plug in microwave oven or reconnect power Normal 2500Ω approximately Abnormal Infinite A Monitor Fuse Top 1 Unplug microwave oven or disconnect power 2 Remove wire leads 3 Measure resistance 4 Replace wire leads 5 Reassemble all parts and panels before operating 6 Plug in microwave oven or reconnect power Normal Con...

Page 65: ... 2 Door Open Continuity Door Closed 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 normally open terminal white wire 4 Reconnect the wires at the Secondary Interlock Switch 5 Reassemble all parts and panels before operating 6 Plug in microwave oven or reco...

Page 66: ...e leads 5 Reassemble all parts and panels before operating 6 Plug in microwave oven or reconnect power P31 to P32 P33 to P34 Normal 300 kΩ Abnormal 100 kΩ P31 to P34 P32 to P33 Normal 0 Ω Abnormal 100 kΩ F Humidity Sensor Top 1 Unplug microwave oven or disconnect power 2 Remove the 3 pin connector from MW ACU 3 Measure resistance across pins 1 and 3 and across pins 2 and 3 4 Replace the 3 pin conn...

Page 67: ...For Service Technician Use Only COMPONENT TESTING Whirlpool Smart Wall Ovens n 3 19 ...

Page 68: ...For Service Technician Use Only COMPONENT TESTING 3 20 n Whirlpool Smart Wall Ovens ...

Page 69: ...ction 4 Component Access Microwave HMI Removal Accessing the Microwave Appliance Manager High Voltage System Magnetron Door Removal Accessing the Door Latch Remove the Rear Panel Thermal Limiter Light assembly right side light Back to Table of Contents ...

Page 70: ...ure to reinstall HMI 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 A B C A Wiﬁ Antenna Back to Table of Contents WARNING Excessive Weight Hazard Use two or more people to move and install oven Failure to do so can result in back or other injury ...

Page 71: ...power harness conduit may need to be removed to access one of the rear 6 4 mm screws 2 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 WARNING Excessive Weight Hazard Use two or more people to move and install oven Failure to do so can result in back or other injury Back to Tabl...

Page 72: ...ver to the microwave 4 cover and set aside 5 Microwave Appliance Manager Microwave light transformer Magnetron fan motor 20 A Line Fuse Humidity sensor Panel A B C D E G F A Microwave Appliance Manager D Line ﬁlter F 20 A Line Fuse G Humidity sensor Back to Table of Contents ...

Page 73: ...bly 3 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 Back to Table of Contents WARNING Excessive Weight Hazard Use two or more people to move and install oven Failure to do so can result in back or other injury ...

Page 74: ...outer panel aside 2 Remove nine 9 T10 Torx screws and four 4 6 4 mm aside 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 WARNING Excessive Weight Hazard Use two or more people to move and install oven Failure to do so can result in back or other injury Back to Table of Contents...

Page 75: ...COMPONENT ACCESS Whirlpool Smart Wall Ovens 4 7 3 Microwave Door Hinge 4 Remove four 4 15 Torx magnetron A C B Back to Table of Contents ...

Page 76: ...COMPONENT ACCESS 4 8 Whirlpool Smart Wall Ovens 5 6 7 accessible and can be removed Back to Table of Contents ...

Page 77: ...ng the Oven Door IMPORTANT ovens repeat the process for each door 1 Prior to removing the oven door prepare a surface where material 2 Fully open the oven door 3 4 5 6 Pull the oven door toward you and then remove it You may 7 A B Back to Table of Contents ...

Page 78: ...r opening 2 Remove the four 4 Phillips screws and remove the vent trim panel from the oven 3 4 aside 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 Back to Table of Contents ...

Page 79: ...ess to the following components Copernicus Appliance Manager Oven Line Fuse 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 B A A Copernicus Appliance Manager B Oven Line Fuse Back to Table of Contents WARNING Excessive Weight Hazard Use two or more people to move and install ov...

Page 80: ...ve access to the Copernicus Appliance Manager s NOTE Single wall ovens have one Copernicus where the 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 A B A Lower Oven Copernicus B Upper Oven Copernicus Back to Table of Contents WARNING Excessive Weight Hazard Use two or more peop...

Page 81: ...element Bake element 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 E H A J F G D B C I A Conv Fan B Light assembly C Thermal limiter D Oven temp sensor E Light assembly right side light F Cooling Fan E Broil element H Bake element I Hall E ect Sensor J Conv nt Back to Table of...

Page 82: ...COMPONENT ACCESS 4 14 n Whirlpool Smart Wall Ovens ...

Page 83: ...UMBER READY TO IDENTIFY YOU AS AN AUTHORIZED IN HOME SERVICE PROFESSIONAL FOR LITERATURE ORDERS CUSTOMER EXPERIENCE CENTER PHONE 1 800 851 4605 FOR TECHNICAL INFORMATION AND SERVICE POINTERS www servicematters com IN CANADA FOR PRODUCT SPECIFICATIONS AND WARRANTY INFORMATION CALL 1 800 461 5681 FOR TECHNICAL ASSISTANCE WHILE AT THE CUSTOMER S HOME CALL THE TECHNICAL ASSISTANCE LINE 1 800 488 4791 ...

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