Technical Service Manual Wall Ovens © WOLF APPLIANCE COMPANY, LLC 2005 ALL RIGHTS RESERVED JOB AID #802984 (Revision C - April 2005)
General Information Wall Ovens SECTION 1 GENERAL INFORMATION 1-1
General Information Wall Ovens INTRODUCTION This Wolf Wall Oven Technical Service Manual, Part #802984, has been compiled to provide the most recent technical service information about the Wolf Wall Ovens. This information will enable the service technician to troubleshoot and diagnose malfunctions, perform necessary repairs and return a Wolf Wall Oven to proper operational condition.
General Information Wall Ovens TABLE OF CONTENTS Page # Page # Section 1 - General Information Fan and Motor Testing................................................. 3-22 RTD Testing................................................................... 3-23 Temperature Probe Testing............................................3-23 Introduction......................................................................... 1-2 Important Safety Information..............................................
General Information Wall Ovens Section 5 -Troubleshooting Guide General Troubleshooting Guide Layout............................. 5-2 Troubleshooting Guide Table of Contents.......................... 5-2 Initiating Diagnostic Mode...................................................5-3 Error Code Chart................................................................ 5-4 Testing The Oven Relay Board.......................................... 5-5 Element Testing..................................................
General Information Wall Ovens WARRANTY INFORMATION This page contains a summary of the 2 & 5 Year Warranty that is supplied with every Wolf product, followed by details and notes about the warranties. TWO & FIVE YEAR Warranty Summary • Two year TOTAL PRODUCT warranty, *parts and labor.
General Information Wall Ovens MODEL NUMBER KEY Refer to this key for an example of the model numbers.
General Information Wall Ovens MODEL CONFIGURATIONS Single Ovens 30” Single Oven Framed 36” Single Oven Unframed Model Number Description Model Number Description SO30F/S Single Oven 30” Framed Stainless SO36U/S SO36U/P SO36U/B Single Oven 36” Unframed Stainless Single Oven 36” Unframed Platinum Single Oven 36” Unframed Carbon Model Number Description SO30U/S SO30U/P SO30U/B Single Oven 30” Unframed Stainless Single Oven 30” Unframed Platinum Single Oven 30” Unframed Carbon 1-7
General Information Wall Ovens Double Ovens 30” Double Oven Framed 30” Double Oven Unframed Model Number Description Model Number Description DO30F/S Double Oven 30” Framed Stainless DO30U/S DO30U/P DO30U/B Double Oven 30” Unframed Stainless Double Oven 30” Unframed Platinum Double Oven 30” Unframed Carbon 1-8
General Information Wall Ovens OVEN FEATURES • Two door styles Traditional Framed (30”) Contemporary Unframed (30” & 36”) • Framed door finish Classic Stainless Steel • Unframed door finishes Classic Stainless Steel Platinum Stainless Steel Carbon Stainless Steel • Dual Convection Logic Control System • Rotating Control Panel • Touch Control Panel • Door Hinge with Hydraulic Damper System • Large Viewing Window • Triple Pane Window • Dual Halogen Lighting • Temperature Probe and Receptacle • Six Level Rack
General Information Wall Ovens 1-10
Installation Information Wall Ovens SECTION 2 INSTALLATION INFORMATION 2-1
Installation Information Wall Ovens INSTALLATION INFORMATON This section of the manual covers some of the installation issues a service technician may need to know when servicing a Wolf Wall Oven. If additional information is needed after reviewing this section of the manual, please refer to the Installation Guide or contact the Wolf Appliance Customer Service Department. Electrical Requirements: Single Oven • 208/220-240 volts AC, 60 Hertz, 30 Ampere fused electrical supply.
Installation Information Wall Ovens Oven Installation Use the upper edge of the cavity opening and the bottom of the oven chassis side as gripping points to lift the oven into the cabinet cutout. Slide the oven into the recessed area until the unit is approximately six inches from being fully installed. This will allow for installation of the oven trim kit. Flat Washers NOTE: The oven door(s) may be removed to reduce the weight of the oven when lifting into cabinet opening.
Installation Information Wall Ovens WALL OVEN DIMENSIONS 27 1/2" (699mm) 24" (610mm) 29 7/8" (759mm) 50" (1269mm) Figure 2-3. 30” Single Oven Overall Dimensions 24 3/8" (619mm) 24" (610mm) 24" (610mm) 35 5/8" (905mm) 29 7/8" (759mm) Figure 2-5. 30” Double Oven Overall Dimensions Figure 2-4.
Installation Information Wall Ovens CABINET CUTOUT DIMENSIONS Single 30 Inch Wall Oven NOTE: Dimensions in parentheses are in millimeters . 33" (838) RECOMMENDED CABINET WIDTH 30" min (762) 3 3 /4" min (95) 3 3/4" min (95) E 4" (102) 5" (127) 5" (127) ELECTRICAL LOCATION IN ADJACENT RIGHT SIDE CABINET 36" (914) STANDARD FLOOR TO 27 3/16" (691) COUNTER HEIGHT E 4" (102) 27 3/16" (691) 28 1/2" (724) 24" min (610) 4 3/4" min (121) 4 3/4" min (121) Figure 2-6.
Installation Information Wall Ovens CABINET CUTOUT DIMENSIONS Single 36 Inch Wall Oven NOTE: Dimensions in parentheses are in millimeters . 39" (991) RECOMMENDED CABINET WIDTH 36" min (914) 3 3/4" min (95) E 4" (102) 3 3/4" min (95) 5" (127) 5" (127) 36" (914) ELECTRICAL LOCATION IN STANDARD ADJACENT RIGHT FLOOR TO SIDE CABINET 24 1/16" COUNTER (611) HEIGHT E 4" (102) 24 1/16" (611) 24" min (610) 34 1/2" (876 ) 7 3/4" (197) rec 4 3/4" (121) min 7 3/4" (197) rec 4 3/4" (121) min Figure 2-9.
Installation Information Wall Ovens CABINET CUTOUT DIMENSIONS Double 30 Inch Wall Oven NOTE: Dimensions in parentheses are in millimeters. 33" (838) RECOMMENDED CABINET WIDTH 30" min (762) 28 1/2" (724) 67" max (1702) 24" min (610) 49 5/8" (1260) 4" (102) 5" E (127) RIGHT SIDE CABINET VIEW Figure 2-12. Front Cutout Dimensions and Electrical Placement 2-7 Figure 2-13.
Installation Information Wall Ovens CABINET CUTOUT DIMENSIONS Side-by-Side Wall Oven NOTE: Dimensions in parentheses are in millimeters .
Electronic Control System Wall Ovens SECTION 3 ELECTRONIC CONTROL SYSTEM 3-1
Electronic Control System Wall Ovens ELECTRONIC CONTROL TERMINOLOGY & COMPONENT DESCRIPTIONS All Wolf wall ovens utilize an electronic control system. The electronic control system monitors, regulates and controls a variety of functions. The control system also displays error codes to identify possible problems with the unit. The table below defines some of the basic electronic control system terminology and describes some of the electronic system components.
Electronic Control System Wall Ovens UNIQUE ELECTRONIC CONTROL INPUT OPERATIONS The following few pages illustrate electronic control input operations that you would not expect a customer to perform everyday. The input operations described are: Field Option Mode, Sabbath Mode, Delayed Start Mode, Probe Mode and Self-Clean Mode.
Electronic Control System Wall Ovens Sabbath Feature Sabbath Feature was incorporated into the electronic control system for the observance of certain religious holidays. Once Sabbath Mode has been entered, all of the oven functions have been disabled except the OFF key. To initiate Sabbath feature, the oven must be OFF. Press UPPER or LOWER OVEN ON key for a double oven or OVEN ON key for a single oven. (See Figure 3-3). Turn on the interior oven lights by pressing the OVEN LIGHT ON key (Optional).
Electronic Control System Wall Ovens Time Cook Feature Time Cook Feature controls the automatic timing of the oven(s) ON and OFF function by setting the cooking time to start immediately and turn off when the desired cooking is complete. To accomplish time cook, the time of day clock is used and therefore the correct time must be displayed prior to programming. To initiate Time Cook, the oven must be OFF. First press the Oven ON key. (See Figure 3-7).
Electronic Control System Wall Ovens Delayed Start Feature This feature controls the automatic timing of the oven(s) ON and OFF function by setting the cooking mode to start later in the day and turn off when the cooking is complete. It can also be set to turn off at a preset time. To accomplish delayed start and/or stop, the time of day clock is used and therefore the correct time must be displayed prior to programming.
Electronic Control System Wall Ovens Temperature Probe Feature The Temperature Probe Feature is used to measure internal temperatures of the food being cooked. It is an accurate way to achieve the perfect doneness regardless of the type, cut or weight of food. When using the Temperature Probe Mode, program the recommended internal carving temperature, as found in the Use and Care Information Guide. (See Figure 3-16).
Electronic Control System Wall Ovens Self-Clean Mode In Self-Clean Mode, the oven is heated in graduated stages to a preset high temperature. In Stage One, the bake element cycles for 0 - 36 seconds and the broil element cycles for 18 - 60 seconds. The cycling of the bake and broil elements in Stage One last for the first twelve minutes. In Stage Two, the bake element cycles for 0 - 12 seconds and the broil element cycles for 12 - 60 seconds.
Electronic Control System Wall Ovens ELECTRONIC CONTROL INPUT OPERATIONS The following few pages illustrate electronic control input operations that you might expect a customer to perform everyday. The input operations described are: Bake, Convection, Convection Bake, Broil, Convection Broil, Roast, Convection Roast and Bake Stone Mode. Bake Mode In Bake Mode both the hidden bake element and the broil element are used to heat the air and cycle to maintain temperature.
Electronic Control System Wall Ovens Convection Mode The Convection Mode uses dual convection fans, each with heating elements mounted on the back wall of the oven cavity. The convection fans move air sequential, throughout the entire oven cavity creating uniform air movement. This air movement makes it possible to cook on all six levels of the cooking racks simultaneously. The heating elements and convection fans are cycled sequentially (on and off), resulting in even browning.
Electronic Control System Wall Ovens Convection Bake Mode Convection Bake Mode combines heat from two convection heating elements with some heat from the hidden bake element. The two convection fans and convection elements operate sequentially (on and off), to circulate the heat within the oven cavity. The added heat from the hidden bake element make this an ideal cooking mode for pie baking.
Electronic Control System Wall Ovens Broil Mode In Broil Mode the top broil element is used to conduct an intense radiant heat which browns one side of the food being cooked. Food cooked in any of the Broil Modes must be turned to finish cooking and browning the other side. There are three Broil Level temperatures that can be used in this mode, Hi Broil, Medium Broil and Lo Broil. NOTE: Preheat is never used in Broil Mode. NOTE: The oven door MUST be closed during this mode.
Electronic Control System Wall Ovens Convection Broil Mode Convection Broil Mode uses intense radiant heat from the top broil element. The convection fans also operate continuously to maintain air movement. Convection Broil Mode shortens broiling times for thicker cuts of meat. The intense radiant heat browns and sears the surface of the meat, while the convection fans keep the interior of the meat moist. NOTE: Preheat is never used in Convection Broil Mode.
Electronic Control System Wall Ovens Roast Mode In Roast Mode both the hidden bake element and the broil element are cycled to maintain the desired temperature. The hidden bake element operates 75 percent of the time and the broil element operates 25 percent of the time. This mode is especially designed for roasting tender cuts of meat that need to be covered. NOTE: The oven should always be preheated in this mode. The oven will chime after the oven reaches preheat temperature.
Electronic Control System Wall Ovens Convection Roast Mode In Convection Roast Mode the dual convection fans with each convection element operate sequentially (on and off), along with the cycling of the top broil element. The convection elements are on 46 percent of the time and the broil element is on 16 percent of the time. The convection fans are on 100 percent of the time. This mode intensifies the convective and radiant heating.
Electronic Control System Wall Ovens Bake Stone Mode In the Bake Stone Mode a specially designed oven rack and heating element are used along with a ceramic stone. Mounted directly underneath the ceramic bake stone is a heating element. This bake stone element along with the convection fans and the broil element help produce a hot enough environment necessary to cook on the ceramic stone. In this mode the bake stone element is on 58 percent of the time and the broil element is on 42 percent of the time.
Electronic Control System Wall Ovens Panel Lock When the electronic control panel is visible, the oven is operational. When initiating the panel lock feature all modes and key pads will be non functional except oven OFF touch pad and PANEL LOCK touch pad. This keeps it child safe and prevents oven from accidentally being turned on. Setting Panel Lock: • Press and hold Panel Lock touch pad for 3 seconds. Two beeps will be heard and oven display will show PANEL LOCKED for 5 seconds.
Electronic Control System Wall Ovens INITIATING DIAGNOSTIC MODE UPPER OVEN To initiate Diagnostic Mode for the Upper Oven, the oven must be OFF. Then press and hold the TEMPERATURE key and the 0 “ZERO” key for 3 seconds, then release both keys. (See Figure 3-57). NOTE: Diagnostic Mode will end 2 minutes after last key stroke or when the CLEAR key is pressed. LOWER OVEN To initiate Diagnostic Mode for the Lower Oven, the oven must be OFF.
Electronic Control System Wall Ovens POSSIBLE ERROR INDICATORS The last occurring error will be shown in the text area of the Display board. Pressing the ENTER key will cycle through the last occurring seven errors for the oven. The Double Wall Oven stores a total of 14 errors, seven for the upper oven and seven for the lower oven. Pressing the COOK TIME and STOP TIME keys will clear the last seven errors for the oven. 3 :00 CLOCK 0 75 1.07 f1 OFF TIMER ° OVEN ON TEMPERATURE BAKE CONV.
Electronic Control System 3 :00 CLOCK 75 0 OFF OVEN ° 1.07 key comm TIMER Wall Ovens ON TEMPERATURE BAKE CONV. BAKE 1 2 3 ROAST CONV. ROAST 4 5 6 COOK TIME STOP TIME BROIL CONV. BROIL 7 8 9 SELF CLEAN PANEL LOCK BAKE STONE CONVECTION ENTER 0 CLEAR PROBE ON/OFF LIGHT ON/OFF Figure 3-65. Keyboard Reporting Errors on Key(s) - This error indicates a failure between the Oven Controller and the Head Assembly. (Reported by Display) 3 :00 CLOCK 75 0 1.
Electronic Control System Wall Ovens 3 :00 CLOCK 75 0 1.07 sensor cal OFF TIMER OVEN ° ON TEMPERATURE BAKE CONV. BAKE 1 2 3 ROAST CONV. ROAST 4 5 6 COOK TIME STOP TIME BROIL CONV. BROIL 7 8 9 SELF CLEAN PANEL LOCK BAKE STONE CONVECTION ENTER 0 CLEAR PROBE ON/OFF LIGHT ON/OFF Figure 3-70. Analog to Digital Error during Calibration Phase - This error indicates an Oven Controller failure. 3 :00 CLOCK 75 0 1.
Electronic Control System Wall Ovens TESTING THE OVEN RELAY BOARD Element Testing First access Diagnostic Mode. Once in Diagnostic Mode, the Technician can press a key to activate an element. The element relay and the double line breaker(dlb) will close to complete a 240/208 VAC circuit through a specific element. If the Oven Controller detects the current running through the closed circuit, OVEN ON will be illuminated on the corresponding display.
Wall Ovens Electronic Control System RTD Testing First access Diagnostic Mode. Once in Diagnostic Mode, the RTD temperature as read by the Oven Controller is shown in the corresponding display. NOTE: Diagnostic Mode will end 2 minutes after last key stroke or when the CLEAR key is pressed. Probe Testing First access Diagnostic Mode. Once in Diagnostic Mode, the Probe temperature as read by the Oven Controller is shown in the Stop Cook digits in the corresponding display.
Electronic Control System Wall Ovens 3-24
Wall Ovens Component Access and Removal SECTION 4 COMPONENT ACCESS AND REMOVAL 4-1
Component Access and Removal Wall Ovens COMPONENT ACCESS AND REMOVAL This section explains how to access and remove components from a Wolf wall oven. Depending on which component you are going to access or remove in the following sections, you may have to remove other components first. Refer to the appropriate section in this manual that explains how to access and remove those various components. When reassembling, just reverse the steps that were used to access and remove the components.
Wall Ovens Component Access and Removal CONTROL PANEL COMPONENTS: TURN OFF THE ELECTRICAL POWER GOING TO THE OVEN BEFORE SERVICING. IN ORDER TO REMOVE THE CONTROL PANEL AND COMPONENTS BEHIND IT, THE OVEN WILL HAVE TO BE PULLED OUT APPROXIMATELY 12 INCHES FROM ITS INSTALLATION AND THE FRONT OVEN TOP PANEL WILL NEED TO BE REMOVED. Figure 4-1. Control Panel Removal. Control Panel Assembly Removal Unplug the control panel flex strip from the oven controller.
Component Access and Removal Wall Ovens C-Channel Top and Bottom Removal Unplug the switch actuator wire harness connector from the stepper motor control board and pull the wire harness out from its routing. Next, extract the screws that secure the c-channels to the mounting bracket. (See Figure 4-5). Now, tilt the c-channels down slightly and lift off the mounting pins and remove from the unit. (See Figure 4-6). Now, you can separate the top and bottom c-channel by sliding the two apart.
Wall Ovens Component Access and Removal COMPONENTS BEHIND CONTROL PANEL: TURN OFF THE ELECTRICAL POWER GOING TO THE OVEN BEFORE SERVICING. IN ORDER TO REMOVE THE CONTROL PANEL AND COMPONENTS BEHIND IT, THE OVEN WILL HAVE TO BE PULLED OUT APPROXIMATELY 12 INCHES FROM ITS INSTALLATION AND THE FRONT OVEN TOP PANEL WILL NEED TO BE REMOVED. Figure 4-9. Latch Cover Removal. Latch Cover Removal Extract the two screws that mount the latch cover to the mounting plate. (See Figure 4-9).
Component Access and Removal Wall Ovens Oven Controller Removal The oven control board is located next to the control panel drive motor assembly. Remove all wire connectors mounted to the control board. NOTE: You may want to mark the wire connectors to ensure their proper location when reattaching to the board. Now, extract the four screws that secure the control board and lift out. (See Figure 4-13).
Wall Ovens Component Access and Removal Relay Board Removal Extract the screw located at the front of the relay board. (See Figure 4-16). Then, lift the front of the relay board up slightly and slide the relay board towards the front of the unit. This will disengage the tabs of the relay mounting bracket from the mounting plate. (See Figure 4-17). NOTE: If working on a double oven, you may have to remove both relay boards to have enough room to disconnect the wiring.
Component Access and Removal Wall Ovens Upper Cooling Fan Removal First, remove the air diverter bracket located in front of the cooling fan. (See Figure 4-20). Next, extract the three screws at the rear of the unit which secures the cooling fan to the unit. (See Figure 4-21). Now, lift the cooling fan up and disconnect the wiring from the fan motor terminals and remove. (See Figure 4-22).
Wall Ovens Component Access and Removal OVEN CAVITY COMPONENTS: TURN OFF THE ELECTRICAL POWER GOING TO THE OVEN BEFORE SERVICING. Left and Right Rack Guide Removal First, remove oven racks. Then, extract the screws in each corner, top and bottom of the rack guide and lift guide out. (See Figure 4-24). Figure 4-24. Rack Guide Removal. Oven Lights Removal To remove the oven lights you will need to remove the oven racks and guides.
Component Access and Removal Wall Ovens Probe Cover and Probe Switch Removal To remove the probe cover, first you will need to raise the probe cover up. Now, using a wrench, loosen and remove the nut. Now, the cover can be removed. (See Figure 4-27). NOTE: To remove the probe switch the unit will need to be pulled from its installation approximately 8 inches. Next, extract the screw and remove the access panel for the probe switch.
Wall Ovens Component Access and Removal Convection Fan Assembly Removal The racks, rack guides and convection baffle plate will need to be removed first. Then, extract the seven screws around the convection fan and the top screw located between the element (where the element goes through the oven cavity). (See Figure 4-31). Now, pull fan assembly into oven cavity and disconnect wiring and remove. DO NOT remove convection fan by pulling on the fan blade. The fan blade may bend resulting in misalignment.
Component Access and Removal Wall Ovens IN ORDER TO REMOVE THE FOLLOWING COMPONENTS, THE ENTIRE OVEN WILL HAVE TO BE REMOVED FROM ITS INSTALLATION. Bake Stone Receptacle Removal First remove the ceramic receptacle plug from inside the oven cavity. Now, from the rear of the oven, extract the two nuts which secure the receptacle to the cavity and remove. (See Figure 4-35). The retainer plate can now be removed from the inside oven cavity. Figure 4-35. Bake Stone Receptacle Removal.
Wall Ovens Component Access and Removal OVEN DOOR COMPONENTS: Oven Door Removal First, open the door to its fully opened position. Next, extract the screw and remove the plate from each side of the door hinges. Now, install the pin (this pin is initially shipped with the unit and taped to the inside of the oven door) through the hole in the left hinge arm. 9See figure 4-36). If the pin devise is too long, it will rub against the inner door liner and chip the porcelain.
Component Access and Removal Wall Ovens Glass Pack Removal NOTE: There are different screws sizes. Make sure the proper length screws are in the correct places when reassembling. To begin, remove oven door assembly and outer door skin assembly. Now, extract the screw at the bottom center of the door liner. Next, extract the seven screws at the top of the heat shield and remove. (See Figure 4-39). Now, carefully remove insulation from around glass pack.
Wall Ovens Component Access and Removal COMPONENTS BEHIND BACK PANEL: IT IS NECESSARY TO REMOVE THE UNIT FROM ITS INSTALLATION, REMEMBER THAT THE UNIT COULD TIP FORWARD WHEN PULLED BEYOND ITS INSTALLATION. TO AVOID ELECTRIC SHOCK, POWER TO THE UNIT MUST BE DISCONNECTED WHENEVER SERVICING AND/OR ACCESSING COMPONENTS. Back Panel Removal Figure 4-44. Back Panel Removal. Extract all the screws that secure the back panel to the unit and remove. (See Figure 4-44).
Component Access and Removal Wall Ovens OVEN SIDE COMPONENTS: IT IS NECESSARY TO REMOVE THE UNIT FROM ITS INSTALLATION, REMEMBER THAT THE UNIT COULD TIP FORWARD WHEN PULLED BEYOND ITS INSTALLATION. TO AVOID ELECTRIC SHOCK, POWER TO THE UNIT MUST BE DISCONNECTED WHENEVER SERVICING AND/OR ACCESSING COMPONENTS. Channel Venting Removal Figure 4-48. Channel Venting Removal. The channel is held in place by tabs at the rear and screws at the front. To remove, extract the screws around the channel.
Wall Ovens Component Access and Removal OVEN BASE COMPONENTS: Fan Apparency Switch Removal First, remove the bottom trim from under the door. Extract the screws which secure the fan apparency switch to its mounting bracket. (See Figure 4-52). Next, slide the fan switch over to clear it from the mounting bracket and remove. (See Figure 4-53). Figure 4-52. Fan Apparency Switch Removal. Figure 4-52. Fan Apparency Switch Removal.
Component Access and Removal Wall Ovens 4-18
Troubleshooting Guide Wall Ovens SECTION 5 TROUBLESHOOTING GUIDE 5-1
Troubleshooting Guide Wall Ovens TROUBLESHOOTING GUIDE This section of the manual contains the General Troubleshooting Guide which will help the Service Technician troubleshoot a Wolf Wall Oven. How to Use the Troubleshooting Guide The troubleshooting guide table of contents shows how the troubleshooting guide is laid out. The troubleshooting guide is organized into component areas with the most common problems listed first.
Troubleshooting Guide Wall Ovens INITIATING DIAGNOSTIC MODE Diagnostic Mode allows the Service Technician to inspect the functionality of the Oven Controller and Relay boards. Entering a key combination on the oven touch pad will allow the Service Technician to enter Diagnostic Mode. In Diagnostic Mode the last seven errors that have occurred to the oven controlling all the relays on the relay board and controller feedback of temperature and switches will be displayed.
Troubleshooting Guide Wall Ovens ERROR CODE CHART ERROR CODE F1 OVER TEMP POSSIBLE CAUSE Door Lock or Unlock Switches not sensed within 60 seconds while driving the door lock motor TEST / ACTION Ohm door lock switches. Replace MDL (Motor Door Lock) Assembly Ohm RTD sensor, replace if bad. If RTD good Over temperature occurs when the oven replace Relay board.
Troubleshooting Guide Wall Ovens TESTING THE OVEN RELAY BOARD Element Testing First access Diagnostic Mode. Once in Diagnostic Mode, the Technician can press a key to activate an element. The element relay and the double line breaker(dlb) will close to complete a 240/208 VAC circuit through a specific element. If the Oven Controller detects the current running through the closed circuit, OVEN ON will be illuminated on the corresponding display.
Troubleshooting Guide Wall Ovens Fans and Motors First access Diagnostic Mode. Once in Diagnostic Mode, the technician can press a key to activate a fan or a motor. The fan and motor relays will close to complete a 120 VAC circuit through a specific fan or motor. If the Oven Controller detects the functionality through switches, an indicator will be illuminated on the corresponding display. NOTE: Diagnostic Mode will end 2 minutes after last key stroke or when the CLEAR key is pressed.
Troubleshooting Guide Wall Ovens PROBLEM POSSIBLE CAUSE TEST / ACTION No power, circuit breaker tripped Reset circuit breaker.
Troubleshooting Guide PROBLEM Wall Ovens POSSIBLE CAUSE TEST / ACTION H. DOOR WILL NOT LOCK IN SELF-CLEAN MODE Loose or defective wiring Check for error codes in diagnostic mode. Perform testing procedure. Repair or replace wiring I. Defective MDL (Motor Door Lock) Ohm switches and motor. Replace if defective Air flow not hitting fan apparacly switch Check for bowing bottom pan.
Troubleshooting Guide Wall Ovens Troubleshooting Flow Chart Step 1. Check Wire Connections (Disconnect power to unit) Check wire connections J4 and J5 on oven controller to J1 connector of relay board. Unplug both ends and reseat. DISCONNECT POWER TO UNIT BEFORE UNPLUGGING WIRE(S) AND CONNECTIONS Check flex ribbon cable at J11A connector on oven controller, unplug at oven controller and reseat.
Troubleshooting Guide Wall Ovens Head Assembly Doesn’t Rotate Troubleshooting Flow Chart Wall Oven Head Assembly Doesn’t Rotate Troubleshooting Flow Chart WHEN PERFORMING CONTINUITY CHECKS, POWER TO THE UNIT MUST BE DISCONNECTED Using a volt/ohm meter set to read AC voltage, at connector J1 on the Stepper Motor Control Board, place one meter probe to pin 1 and one meter probe to pin 3.
Technical Data Wall Oven SECTION 6 TECHNICAL DATA 6-1
Technical Data Wall Ovens Technical Data Chart Part Description Part Number Voltage Motorized Latch 800263 120 Temperature Sensor 800306 Oven Light 800307 12 Element, Convection 800341 240 208 Element, Convection Amperage Watts Ohms 4 2900 1091 @ 75°F 20 .6 9.09 to 10.52 2182 to 2526 22.80 to 26.39 7.87 to 9.12 1638 to 1897 22.80 to 26.39 Fan, Convection CCW 800345 120 55 8.8 Fan, Convection CW 800350 120 55 8.8 Element, Bake Outer 800360 240 1572 to 1737 33.
Technical Data Wall Oven Operation Time Chart Mode Element(s) Operation Time Hidden Bake Broil 80% 10% Convection* Convection (2) 100% Sequential 100% Sequential Convection Bake* Hidden Bake Convection (2) 90% 45% Sequential 100% Sequential Broil Broil 100% Convection Broil Broil 100% Hidden Bake Broil 75% 25% Convection (2) Broil 46% 16% 100% Bake Stone Broil 58% 42% 42% Sequential Bake Roast* Convection Roast* Bake Stone* Convection Fan 100% * Pre Heat Required Operation T
Technical Data Wall Ovens 6-4
Wiring Diagrams Wall Ovens SECTION 7 WIRING DIAGRAMS 7-1
87654321 J3 12 LF MDL J2 Upper Relay Board (RB) J1 96 E14 52 RCF 52-RC CF F 55- 51-LCF 51-LC F 87654321 166 Rcvt c EPR5 P 5 J3 12 J2 34-L2 Lower Relay Board (RB) Lower Right Convection Fan 2 Lt 2-Lt 33-L 2 2 Upper Motor Door Lock Lo Lower Left Convection Fan Outer Bake Elemen t 26-L2 L1-A 7 E14 7-E14 4 32 L2 32-L2 Inner Bake Elemen t 1 1 Power Supply 75 RTD 75-RTD D Display Cabl e 96 Labels 1-MP 2-MP Rotating Control Panel Motor Stepper Motor Control Board Name Meat Pro
L1 L2 Upper Oven Display 9 1 1 J2 Stepper Motor 6 Motor Control Logic 1 2 3 4 J4 1 1 2 22 1 J4 1 2 3 4 5 J11A J11B Oven Controller 22 J2 Stepper Motor Control Board 9 3 1 9 8 7 6 5 4 3 2 1 6 8 9 10 1 3 1 9 8 7 6 5 4 3 2 1 6 8 9 10 3 J1 J5 1 1 6 2 3 8 4 9 5 10 3 Push Button Activation Switch 1 2 3 4 5 NEUTRAL Oven Sensors 1 22 1 22 J1 K14 1 2 1 2 1 4 1 K13 NO J2 1 K12 NO K11 K10 NO K9 NO Molex Connector NO L.Cvt Fan MDL Latched Switch NO GND R.
87654321 J3 12 MDL LF J2 Upper Relay Board (RB) J1 96 E14 52 RCF 52-RC CF F 55- 51-LCF 51-LC F 87654321 166 Rcvt c EPR5 P 5 J3 12 J2 34-L2 Lower Relay Board (RB) Lower Right Convection Fan 2 Lt 2-Lt 33-L 2 2 Upper Motor Door Lock Lo Lower Left Convection Fan Outer Bake Elemen t 26-L2 L1-A 7 E14 7-E14 4 32 L2 32-L2 Inner Bake Elemen t 1 1 Power Supply 75 RTD 75-RTD D Wall Ovens Upper Oven Display Flat Cabl e 74 RTD 74-RTD D 3 Oven Control Board (CB) Lower Motor Door Lock
L1 L2 Upper Oven Display 9 1 1 12 1 12 1 12 1 12 Stepper Motor 1 2 3 4 5 1 2 3 4 5 1 1 6 2 3 8 4 9 5 10 1 6 2 3 8 4 9 5 10 3 Push Button Activation Switch 3 J5 J1 Lower Oven Display 6 1 8 9 10 1 2 1 Motor Control Logic 1 2 3 4 J4 J2 1 J4 1 Stepper Motor Control Board 1 22 J5 22 3 1 9 8 7 6 5 4 3 2 1 J2 8 9 10 6 1 2 3 4 5 J3 6 1 2 3 4 5 J11A J11B Oven Controller 22 9 1 22 3 1 9 8 7 6 5 4 3 2 1 6 6 8 9 10 8 9 10 1 22 1 22 J1 K14 NO NO NO NO 1
Rig Ove Backview of Oven J3 12 J2 4-E 4 E 13- 12 E14 12-E14 38 MRC 38-MRC CP Motor Door Lock Block N -M ML P 32-MDL Power Supply Fu 14-L2 27 27- 1 E1 1-E1 3-E122 32 MDL 32-MDL 27 DS 27-D S 1 2 onn .
L1 L2 Upper Oven Display 9 1 1 J2 Stepper Motor 6 1 3 1 9 8 7 6 5 4 3 2 1 6 8 9 10 Motor Control Logic 1 2 3 4 J4 1 1 2 22 1 J4 1 2 3 4 5 J11A J11B Oven Controller 22 J2 Stepper Motor Control Board 9 3 1 9 8 7 6 5 4 3 2 1 6 8 9 10 3 J1 J5 1 1 6 2 3 8 4 9 5 10 3 Push Button Activation Switch 1 2 3 4 5 NEUTRAL Oven Sensors 1 22 1 1 2 1 2 K14 J1 22 4 1 K13 NO J2 1 K12 NO K11 NO K10 NO K9 NO 1 1 2 2 Molex Connector NO L.
