Thermador SMW272YB Training Program
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Thermador SMW272YB Training Program

Thermador SMW272YB Training Program

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Summary of Contents for Thermador SMW272YB

  • Page 1 Series Series Series Oven Oven Oven Training Training Training Program Program Program...
  • Page 2 SMW Series Oven SMW Series Oven SMW Series Oven Training Program Training Program Training Program Installation Installation Features and Operation Features and Operation Model Numbers Model Numbers Warranty Warranty Component Description and Access Component Description and Access Error Codes Error Codes How the Oven Works….Microwave Section How the Oven Works….Microwave Section How the Oven Works….Warming Drawer Section...

  • Page 3: Installation

    Installation Installation Electrical Power Connection Electrical Power Connection • Requires four wire supply L1, L2, Neutral and a bare ground • Requires four wire supply L1, L2, Neutral and a bare ground • 30 amp circuit breaker • 30 amp circuit breaker •...
  • Page 4 Installation…continued Installation…continued • Electrical conduit box The preferred location • Electrical conduit box The preferred location would be to install it 2-1/2 inches above the unit, in would be to install it 2-1/2 inches above the unit, in the center of the cabinet. However it may be the center of the cabinet.

  • Page 5: Features And Operation

    Features and Operation Features and Operation Features and Operation Upper oven Upper oven features a 2.1 cubic foot microwave features a 2.1 cubic foot microwave 1100 watts of power with sensor cooking & 10 power levels 1100 watts of power with sensor cooking & 10 power levels Language choice for display: English, French &...
  • Page 6 Features and Operation Features and Operation Features and Operation Lower oven Lower oven is a S Series convection oven with 4 modes of is a S Series convection oven with 4 modes of cooking cooking Bake, Variable Broil, Convection and Convection Roast Bake, Variable Broil, Convection and Convection Roast Sense-A-Touch glass control panel Sense-A-Touch glass control panel...
  • Page 7 Features Features Features Oven & door liner...fine grain porcelain Oven & door liner...fine grain porcelain enamel enamel Two 10W 12VAC Halogen lights per Two 10W 12VAC Halogen lights per cavity cavity Equivalent to a 60W incandescent Equivalent to a 60W incandescent bulb bulb...
  • Page 8 Features and Operation Features and Operation Features and Operation Panel Lock (child lockout) Panel Lock (child lockout) A 12 or 24 hour clock option A 12 or 24 hour clock option Centigrade or fahrenheit temperature display Centigrade or fahrenheit temperature display 3 Specialty Modes 3 Specialty Modes Proof...
  • Page 9 Features and Operation Features and Operation Features and Operation Sabbath…. Sabbath…. only available in bake cycle only available in bake cycle element indicator light cycles with heat element indicator light cycles with heat all other keys/functions are dead except off key all other keys/functions are dead except off key...

  • Page 10: Model Numbers

    Model Numbers 27” Integrated Electric Oven, Warming Drawer & 27” Integrated Electric Oven, Warming Drawer & Microwave Oven Microwave Oven 4 Models 4 Models SMW272YB………Black Glass SMW272YB………Black Glass SMW272YW………White Glass SMW272YW………White Glass SMW272YS……….Stainless Steel SMW272YS……….Stainless Steel SMW272YP……….Stainless Steel with Pro SMW272YP……….Stainless Steel with Pro...
  • Page 11 Model Numbers …. Model Numbers …. Continued Continued 27” Integrated Electric Oven & Microwave Oven 27” Integrated Electric Oven & Microwave Oven 3 Models 3 Models • SM272YB……………..Black Glass • SM272YB……………..Black Glass • SM272YW…………….White Glass • SM272YW…………….White Glass • SM272YS……………..Stainless Steel •...
  • Page 12 Model Numbers Model Numbers Model Numbers Example….SMW272YB Example….SMW272YB Example….SMW272YB S-Series convection oven S-Series convection oven Microwave oven Microwave oven Warming drawer Warming drawer 27 = 27” Oven 27 = 27” Oven Double oven Double oven 2000 Introduction Year 2000 Introduction Year The Y designates a change in form &...

  • Page 13: Warranty

    Warranty Warranty Warranty One full year from date of installation or One full year from date of installation or occupancy occupancy Service must be performed by an Service must be performed by an authorized service agent authorized service agent Warranty Claim must be submitted within 45 Warranty Claim must be submitted within 45...

  • Page 14: Microwave Oven Section

    Microwave Oven Section Microwave Oven Section ….. ….. component description & access component description & access Microwave section Microwave section Microwave vent-cover Microwave vent-cover membrane membrane Touch control door assembly… includes Touch control door assembly… includes switch & DPC switch & DPC Digital Programmer Control) Digital Programmer Control) Inverter board...
  • Page 15 Microwave Section… Microwave Section… Microwave Section… Removal Removal Removal To gain access to the To gain access to the microwave section microwave section Remove vent frame from Remove vent frame from around the microwave around the microwave unit. This frame is a one unit.
  • Page 16 Microwave Section… Microwave Section… Microwave Section… Removal Removal Removal Remove the 2 screws Remove the 2 screws which hold the microwave which hold the microwave base to the oven housing base to the oven housing Remove the spring catches, Remove the spring catches, which are secured with which are secured with two screws...
  • Page 17 Microwave Section… Microwave Section… Microwave Section… Removal Removal Removal Before removing Before removing section, remove section, remove warming drawer to warming drawer to avoid scratching avoid scratching Slide tabs on both Slide tabs on both sides of rails and sides of rails and drawer will pull out drawer will pull out...
  • Page 18 Microwave Section… Microwave Section… Microwave Section… Removal Removal Removal Slide section part way Slide section part way out leaving the right out leaving the right rear corner still inside rear corner still inside housing housing While holding front of While holding front of unit reach inside and unit reach inside and unplug the section...
  • Page 19 Microwave Section … Microwave Section … Microwave Section … Removal Removal Removal Section can now be Section can now be removed completely removed completely and set down on a and set down on a solid surface solid surface Note the exhaust duct Note the exhaust duct covers on the top of covers on the top of...
  • Page 20 Microwave Section… Microwave Section… Microwave Section… Access Duct Cover Access Duct Cover Access Duct Cover To gain access to the To gain access to the microwave components microwave components the duct exhaust parts the duct exhaust parts must first be removed must first be removed from the microwave from the microwave...
  • Page 21 Microwave Section… Microwave Section… Microwave Section… Access Outer Cover Access Outer Cover Access Outer Cover After removing the After removing the screws from the sides screws from the sides and rear, the cover slides and rear, the cover slides away from the front away from the front allowing access to most allowing access to most...

  • Page 22: Component Description

    Component Description & … Component Description & … Component Description & … Access Access Access tube & Mag tube thermal cutout tube & Mag tube thermal cutout tube & Mag tube thermal cutout Steam Sensor Location Steam Sensor Location ( inside cover) ( inside cover) Mag-tube thermal cutout Mag-tube thermal cutout...
  • Page 23 Component Description & Component Description & Component Description & Access…. Access…. Access…. Door switches and lamp assembly Door switches and lamp assembly Door switches and lamp assembly Lamp assembly Lamp assembly lamp is 20watts 120V lamp is 20watts 120V Primary latch switch N/O Primary latch switch N/O Secondary latch switch N/O Secondary latch switch N/O...
  • Page 24 Microwave Section…. Microwave Section…. Door Switch Locations & Adjustments Door Switch Locations & Adjustments...
  • Page 25 SMW Microwave switch & relay wiring SMW Microwave switch & relay wiring N/O Switch N/O Switch (W) White (Y) Yellow (R) Red (W) White (Y) Yellow (R) Red Switch Switch Switch Switch...
  • Page 26 Component Description & Component Description & Component Description & Access….Fuse Temp. Sensor & Noise Filter Access….Fuse Temp. Sensor & Noise Filter Access….Fuse Temp. Sensor & Noise Filter Fuse is rated at 18 amps Fuse is rated at 18 amps (Part # 35-00-787) (Part # 35-00-787) ( regular cartridge fuse ) ( regular cartridge fuse )
  • Page 27 Component Description & Component Description & Component Description & Access… Access… Access… Microwave Touch Control Door Assembly Microwave Touch Control Door Assembly Microwave Touch Control Door Assembly Before removing door Before removing door assembly disconnect the four assembly disconnect the four plug connectors, the ribbon plug connectors, the ribbon connector and the two relay...
  • Page 28 Component Description & Component Description & Component Description & Access….High Voltage Inverter Access….High Voltage Inverter Access….High Voltage Inverter To gain access to the Inverter To gain access to the Inverter Power Supply Board Power Supply Board disconnect the mag tube HV disconnect the mag tube HV wires wires...
  • Page 29 Component Description & Component Description & Component Description & Access…High Voltage Inverter Terminals Access…High Voltage Inverter Terminals Access…High Voltage Inverter Terminals CN702 …120VAC CN702 …120VAC input to transformer input to transformer CN701 …Signal CN701 …Signal voltage from DPC voltage from DPC circuit (3 wire plug) circuit (3 wire plug) Voltage varies from 0...
  • Page 30 Microwave Section….Inverter Power supply HV Area Microwave Section….Inverter Power supply HV Area Note Do not attempt to repair this inverter 120 VAC Input Note Do not attempt to repair this inverter 120 VAC Input board. Replace as a complete assembly board.
  • Page 31 Variable Power & Voltage readings from Variable Power & Voltage readings from DPC plug CN3 DPC plug CN3...
  • Page 32 Component Description & Component Description & Component Description & Access….. Access….. Access….. Stirrer Motor Stirrer Motor Stirrer Motor Remove base of unit or Remove base of unit or break off access cover and break off access cover and re-secure with screws re-secure with screws Stirrer motor is held in Stirrer motor is held in...
  • Page 33 Component Description & Component Description & Component Description & Access…. Access…. Access…. Stirrer Motor Stirrer Motor Stirrer Motor ‘D’ Slot ‘D’ Slot ‘D’ Shaft ‘D’ Shaft...
  • Page 34 Microwave Microwave Control Panel Control Panel...
  • Page 35 SMW How the Oven works…Microwave section SMW How the Oven works…Microwave section Microwave door closed, short switch is open, primary Microwave door closed, short switch is open, primary and secondary latch switches are closed. Unit is not and secondary latch switches are closed. Unit is not operating.
  • Page 36 SMW How the Oven works…Microwave section SMW How the Oven works…Microwave section Microwave door closed, short switch is open, primary Microwave door closed, short switch is open, primary and secondary latch switches are closed. Unit is not and secondary latch switches are closed. Unit is not operating.
  • Page 37 SMW How the Oven works…Microwave section SMW How the Oven works…Microwave section Microwave on high, power relay coil ‘B’ is energized Microwave on high, power relay coil ‘B’ is energized constantly during each 22 second cycle while calling constantly during each 22 second cycle while calling for heat for heat Low Voltage Supply...
  • Page 38 SMW How the Oven works…Microwave section SMW How the Oven works…Microwave section Microwave on, 20% power level, relay coil ‘B’ is energized 15 Microwave on, 20% power level, relay coil ‘B’ is energized 15 seconds on and 7 seconds off out of each 22 second cycle seconds on and 7 seconds off out of each 22 second cycle while calling for heat while calling for heat...
  • Page 39 Description of Operating Sequence Description of Operating Sequence...
  • Page 40 Description of Operating Sequence…. Description of Operating Sequence…. Sensor Sensor Cooking & Sensor Reheat Cooking & Sensor Reheat...
  • Page 41 Microwave Section…..Component Test Procedures Microwave Section…..Component Test Procedures...
  • Page 43 Troubleshooting Guide Troubleshooting Guide...
  • Page 44 Troubleshooting Guide…..continued Troubleshooting Guide…..continued...
  • Page 45 Microwave Section Troubleshooting HV Inverter Microwave Section Troubleshooting HV Inverter...
  • Page 46 Troubleshooting HV Inverter…continued Troubleshooting HV Inverter…continued...
  • Page 48 Trouble Related to Digital Programmer Circuit….continued Trouble Related to Digital Programmer Circuit….continued...
  • Page 50 Microwave Leakage Test….continued Microwave Leakage Test….continued...
  • Page 51 Warming Drawer Section…. Warming Drawer Section…. Features & Features & Benefits Benefits On Indicator Light can be On Indicator Light can be • • viewed through drawer front viewed through drawer front • 450 Watt Element • 450 Watt Element •...

  • Page 52: Component Description

    Component Description & Component Description & Access Access … … Element & Slides Element & Slides Slides are Slides are held in held in place with place with two screws two screws...
  • Page 53 Component Component Description & Description & Access….Element Access….Element & Slides & Slides Part # 16-10-728 Part # 16-10-728...
  • Page 54 Component Description & Component Description & Access Access …Thermostat & On light …Thermostat & On light Thermostat Control has three Thermostat Control has three settings…. settings…. Low..140 degrees F Low..140 degrees F Medium…170 degrees F Medium…170 degrees F High…210 degrees F High…210 degrees F Indicator light remains Indicator light remains...
  • Page 55 Component Description & Access... Component Description & Access... Thermostat Switch and on lamp Thermostat Switch and on lamp To access controls To access controls front frame of front frame of warming drawer has warming drawer has to be removed. Peel to be removed.
  • Page 56 Component Description & Component Description & Access…. Access…. Thermostat switch on lamp & gasket Thermostat switch on lamp & gasket Thermostat, Thermostat, switch, and the switch, and the ‘on’ indicator ‘on’ indicator light can now be light can now be accessed from accessed from right side of unit.
  • Page 57 Component Description & Component Description & Access Switch & Thermostat Access Switch & Thermostat...
  • Page 58 How the Oven works…. How the Oven works…. Warming Drawer Warming Drawer Unit in the off position Unit in the off position 3.75 amps 3.75 amps Temperature Heat Settings Temperature Heat Settings...
  • Page 59 How the Oven works…. How the Oven works…. Warming Drawer Warming Drawer Unit in the on position, Unit in the on position, thermostat contacts thermostat contacts cycling cycling 3.75 amps 3.75 amps Temperature Heat Settings Temperature Heat Settings...
  • Page 60 Lower Oven Features Lower Oven Features Lower Oven Features “Field Sensor” touch control “Field Sensor” touch control Digi-pad numeric control panel Digi-pad numeric control panel Centigrade or Fahrenheit temperature Centigrade or Fahrenheit temperature display display A 12 or 24 hour clock A 12 or 24 hour clock Child lock-out feature Child lock-out feature...
  • Page 61 Features Features Features Third Element Convection Third Element Convection Convection Roast mode Convection Roast mode Recessed 8 wrap broil element Recessed 8 wrap broil element Internal ventilation system Internal ventilation system End of cycle chime End of cycle chime To restore: Touch Upper oven “OFF” pad To restore: Touch Upper oven “OFF”...
  • Page 62 …..and Operation …..and Operation …..and Operation Window Display Number Pads Window Display Number Pads Cook Time Bake Cook Time Bake Timer 1 Broil Timer 1 Broil Clock Convection Clock Convection Stop Time Stop Time Timer 2 Self Clean Timer 2 Self Clean Oven Light Convection Roast...

  • Page 63: Test Mode

    …..and Operation Test Mode …..and Operation Test Mode …..and Operation Test Mode Electronic oven control test mode Electronic oven control test mode Power up unit Power up unit Do the following within 5 minutes, before Do the following within 5 minutes, before any other programming any other programming Hold the STOP TIME pad key for 10...
  • Page 64 …..and Operation Calibration …..and Operation Calibration …..and Operation Calibration Oven Temperature Calibration Oven Temperature Calibration Touch BAKE pad Touch BAKE pad Set Temperature between 500 and 550 Set Temperature between 500 and 550 Hold BAKE pad for 4 seconds Hold BAKE pad for 4 seconds 0 or last calibrated Temperature will display 0 or last calibrated Temperature will display Touch BROIL pad to toggle between + and -...
  • Page 65 Component Description Component Description Component Description Lower Oven Relay Sensor Lower Oven Relay Sensor Board Board Halogen Light Halogen Light Control Panel Control Panel Halogen Light Halogen Light Display Head Transformer Display Head Transformer Cooling Fans Cooling Fans...
  • Page 66 Component Description & Access…. Component Description & Access…. Component Description & Access…. Plenum Plenum Plenum Components Components Components (part # 16-20-101) (part # 16-20-101) Time delay fuse Time delay fuse rated at 20amp rated at 20amp Terminal Block Control Panel Terminal Block Control Panel Stalled Fan Relay...
  • Page 67 Component Description… Component Description… Component Description… Relay Board Relay Board Relay Board (Part # 16-10-660) (Part # 16-10-660) J2 Pin Connector Transfers J2 Pin Connector Transfers J5 Pin J5 Pin J10 Pin Connector J10 Pin Connector data between board, touch data between board, touch K6 Cooling K6 Cooling...
  • Page 68 Component Description Component Description Component Description Lower Oven Relay Board….Relays Lower Oven Relay Board….Relays Lower Oven Relay Board….Relays K8…Line Break K4…Convection Motor K8…Line Break K4…Convection Motor K1…Bake Element K9…Latch Motor K1…Bake Element K9…Latch Motor K2…Broil Element K6…Cooling Motor K2…Broil Element K6…Cooling Motor K3…Convection Element K7…Light Transformer...
  • Page 69 Component Description Component Description Component Description Lower Oven Relay Board…Pin connectors Lower Oven Relay Board…Pin connectors Lower Oven Relay Board…Pin connectors J1 is the power supply from the main relay board J1 is the power supply from the main relay board 20 VAC to the display head to light it up ( contacts 3-4...
  • Page 70 Component Description Component Description Component Description Lower Oven Relay Board…Pin connectors Lower Oven Relay Board…Pin connectors Lower Oven Relay Board…Pin connectors J2…transfers data between relay board, touch control J2…transfers data between relay board, touch control & display head & display head...
  • Page 71 Component Description…. Component Description…. Component Description…. Lower Lower Lower Oven Oven Oven Relay Board…Pin connectors Relay Board…Pin connectors Relay Board…Pin connectors J5 … Transfers signal voltage through the latch switches J5 … Transfers signal voltage through the latch switches J10 …Transfers signal voltage to sensor J10 …Transfers signal voltage to sensor Note Since this is a single S oven pin connectors J7,J8 and J9...
  • Page 72 Component Description Component Description Touch Control Panel Touch Control Panel Contains 22 touch Contains 22 touch control pads control pads Touching the glass Touching the glass disturbs the disturbs the Four pin plug Four pin plug electromagnetic field electromagnetic field contacts1-2 &...

  • Page 73: Touch Control Panel

    Touch Control Panel Touch Control Panel • Electromagnetic field effect • NOT membrane • NOT capacitive • 22 control pads • Programmable...
  • Page 74 Testing the touch control panel Testing the touch control panel Test points on touch control panel Test points on touch control panel One point is marked with a minus One point is marked with a minus Other point is marked with a plus Other point is marked with a plus Remove conforming coating on surface of Remove conforming coating on surface of...

  • Page 75: Display Head

    Component Description... Component Description... Display Head Display Head Displays Displays program program function function selected selected 4 Pin plug is 4 Pin plug is 17 Pin 17 Pin the 12 VDC & the 12 VDC & Connector Connector 20 VAC 20 VAC to the to the...
  • Page 76 Component Description Component Description Sensor Sensor (part # 35-00-306) (part # 35-00-306) 1050 OHMS at room 1050 OHMS at room temperature temperature Ohm out leads at Ohm out leads at relay board relay board F3 = open sensor F3 = open sensor circuit circuit F4 = short in sensor...
  • Page 77 Component Description Component Description Halogen Lights Halogen Lights Activated by 12VAC from Activated by 12VAC from transformer transformer Comes on when light pad is Comes on when light pad is selected selected Comes on when door is Comes on when door is opened opened Don’t touch bulb with...

  • Page 78: Halogen Light Transformer

    Component Description Component Description Halogen Light Transformer Halogen Light Transformer Secondary Secondary winding winding Step down Transformer Step down Transformer 120VAC to 12VAC 120VAC to 12VAC Activated by relay K7 on Activated by relay K7 on main relay board main relay board Supplies voltage for Supplies voltage for halogen lights...

  • Page 79: Cooling Fan

    Component Description Component Description Cooling Fan Cooling Fan Is energized by K6 relay when Is energized by K6 relay when ever a cooking mode or self- ever a cooking mode or self- clean is selected. Continues to clean is selected. Continues to run after oven is turned off until run after oven is turned off until cavity temperature drops below...

  • Page 80: Air Flow Pattern

    Air flow pattern Air flow pattern Air flow pattern Natural air enters oven frame at vent holes on both Natural air enters oven frame at vent holes on both sides as well as through front grills on oven frame sides as well as through front grills on oven frame Action of blower Action of blower Moves air across halogen light housings...
  • Page 81 Lower Oven….any questions at this Lower Oven….any questions at this Lower Oven….any questions at this point? point? point? Oven Relay Board Sensor Oven Relay Board Sensor Control Panel Halogen Light Control Panel Halogen Light Display Head Halogen Light Display Head Halogen Light Transformer Transformer...
  • Page 82 Component Description Component Description Component Description Convection motor High temp cutout Convection motor High temp cutout Bake element Door switch Bake element Door switch Broil element Air switch Broil element Air switch Convection element Convection element Door Latch Assembly Door Latch Assembly...
  • Page 83 Component Description Component Description Convection Fan Assembly Convection Fan Assembly Cooling fan blade for Cooling fan blade for cooling the motor cooling the motor Cooling blade comes Cooling blade comes with motor with motor Convection fan blade Convection fan blade (turns CW) (turns CW) LH thread on nut...
  • Page 84 Component Description Component Description Component Description Bake Element Bake Element Bake element is Bake element is rated at 2600W rated at 2600W (Part # 14-38-444) (Part # 14-38-444)
  • Page 85 Component Description Component Description Component Description Broil Element Broil Element Rated at 3600 W Rated at 3600 W Heats the oven to Heats the oven to 840 degrees in 840 degrees in clean cycle clean cycle (part # 14-38-442) (part # 14-38-442)
  • Page 86 Component Description Component Description Component Description Convection Element Convection Element Rated at 2750 W Rated at 2750 W Located on rear Located on rear wall of oven wall of oven (part # 14-38-445) (part # 14-38-445)

  • Page 87: Normal Use

    Component Description Component Description Component Description Door Latch Assembly Door Latch Assembly Lock Switch Lock Switch Unlock Switch Unlock Switch (part # 14-38-095) (part # 14-38-095) Normal use: Normal use: Lock switch….open Lock switch….open Unlock switch..closed Unlock switch..closed During clean: During clean: Latch switches &...
  • Page 88 Component Description Component Description Component Description High Temp Cutout High Temp Cutout Trips at 350 degrees Trips at 350 degrees (part # 14-33-863) (part # 14-33-863) Will trip if oven interior Will trip if oven interior exceeds 975 degrees exceeds 975 degrees Disables L1 to stalled fan Disables L1 to stalled fan relay contacts...
  • Page 89 Component Description Component Description Component Description Door Switch Door Switch Serves three functions Serves three functions Door open signals board to Door open signals board to close K7…. turning on close K7…. turning on (part # 14-19-809) (part # 14-19-809) lights lights In clean monitors the fact...
  • Page 90 Component Description Component Description Component Description Air Switch Air Switch Mounted in air path of Mounted in air path of cooling fan cooling fan When closed, it allows for When closed, it allows for the activation of the stalled the activation of the stalled fan relay fan relay Cover must be on back of...
  • Page 91 Component Description Component Description Component Description Oven Module Oven Module (part # 35-00-661) (part # 35-00-661) A replacement oven cell will include the A replacement oven cell will include the following items as a single unit: following items as a single unit: Bake element Bake element Broil element...

  • Page 92: Lower Oven

    Lower Oven Lower Oven Lower Oven ….any questions at this point? ….any questions at this point? ….any questions at this point? Convection motor High temp cutout Convection motor High temp cutout Bake element Door switch Bake element Door switch Broil element Air switch Broil element Air switch...
  • Page 93 S, SM, and SMW Oven error code messages Error code Possible cause Example Corrective Action displayed Element supervisor enabled Bad relay board Replace main relay board. F1, F7 Poor connection between membrane ribbon Replace display head kit & main alternating display head and touch panel cable relay board (see note 1).
  • Page 94 S, SM, and SMW Oven error code messages Error code Possible cause Example Corrective Action displayed Shorted meat probe (NOTE: Bad relay board Replace main relay board. no meat probe is used on these models) Invalid door switch status stuck latch Check latch for proper operation.
  • Page 95 S, SM, and SMW Oven error code messages Note Description Additional notes • Single oven display head # 35-00-703 F1 & F7 errors are caused by a loss of communication between the display head and the touch panel. Heat migrates to affect the connector on the display head. The •...
  • Page 96 Lower Oven….any questions at this Lower Oven….any questions at this Lower Oven….any questions at this point? point? point? Any questions or comments regarding Any questions or comments regarding error codes? error codes?
  • Page 97 HOW THE LOWER OVEN HOW THE LOWER OVEN HOW THE LOWER OVEN WORKS WORKS WORKS BAKE CYCLE BAKE CYCLE BROIL CYCLE BROIL CYCLE CONVECTION BAKE CONVECTION BAKE CONVECTION ROAST CONVECTION ROAST CLEAN CYCLE CLEAN CYCLE...

  • Page 103: How The Oven Works

    How The Oven Works How The Oven Works How The Oven Works Door Switch Circuit…..Door Locked Door Switch Circuit…..Door Locked Latch motor Latch motor Moly plugs are keyed Moly plugs are keyed is activated is activated J5….latch J5….latch by K9 relay by K9 relay Latch circuit is 12 VDC Latch circuit is 12 VDC...
  • Page 104 How the Oven How the Oven works... works...
  • Page 105 How the Oven works... How the Oven works...

  • Page 106: Hints And Tips

    HINTS & TIPS HINTS & TIPS HINTS & TIPS If the air switch circuit is open, the oven will If the air switch circuit is open, the oven will look as though it is heating, including look as though it is heating, including temperature display and the words pre-heat, it temperature display and the words pre-heat, it just won’t heat...
  • Page 107 SMW Series Ovens SMW Series Ovens That’s all folks...

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