Subzero WOLF SPO Service Manual
  1. Manuals
  2. Brands
  3. Subzero Manuals
  4. Oven
  5. WOLF SPO
  6. Service manual

Subzero WOLF SPO Service Manual

Speed oven
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
General Information
Controls & Operation
Component Access & Removal
Troubleshooting Guide
Technical Data
Wiring Diagrams
Speed Oven
Service Manual
subzero.com
800.222.7820
35
42
43
2
3
9

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the WOLF SPO and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Subzero WOLF SPO

Summary of Contents for Subzero WOLF SPO

  • Page 1 800.222.7820 Speed Oven Service Manual General Information Controls & Operation Component Access & Removal Troubleshooting Guide Technical Data Wiring Diagrams...

  • Page 2: General Information

    Speed Oven General Information service.subzero.com GENERAL INFORMATION SERVICE MANUAL INTRODUCTION This service manual helps with troubleshooting and diagnosing malfunctions, completion of repairs, and return of the product to proper operating condition. Read the complete instructions contained within before initiating any repairs.

  • Page 3: Controls And Operation

    Speed Oven Controls and Operation service.subzero.com CONTROLS AND OPERATION CAUTION test the primary COMPONENTS Before replacing a blown 20 A fuse, interlock switch and monitor switch for proper adjust operation. To verify correct operation, check the latch alignment. Door Switches and Interlocks...

  • Page 4: The Control Panel

    Speed Oven Controls and Operation service.subzero.com Use the number pads to enter the time of day, then touch Start. The Cooling Fan Motor The cooling fan motor turns the blades that draw in external cool air. This cool air goes around the air vanes surrounding the magnetron, cooling it.

  • Page 5: Manual Cooking

    Speed Oven Controls and Operation service.subzero.com Touch Start. The Cook Time Completion Reminder "FACTORY SETTINGS RESTORED" appears on the control panel display. Upon completion, the oven chimes every ten seconds for the first minute; then every three minutes (for one hour) until the user touches Stop/Clear.
  • Page 6 Speed Oven Controls and Operation service.subzero.com COOK WITH MANUAL POWER LEVELS (continued) The default power level is 100%. To cook manually at a power level less than 100%, touch Power Level and use the Use the Keep Warm Feature number pads to select the desired power level.

  • Page 7: Combination Cooking

    Speed Oven Controls and Operation service.subzero.com USE THE MELT/SOFTEN FEATURE (continued) Set the options: COMBINATION COOKING ▪ Melt butter : Touch 1, then touch 1 once for 2 Setting Temperature Power tablespoons or twice for cup. Micro Bake 325°F ▪...
  • Page 8 Speed Oven Controls and Operation service.subzero.com Auto Defrost Guide The Reheat Feature The Reheat feature uses a sensor to detect moisture and Number Food Amount Instructions humidity from food as it reheats, and automatically adjusts the Remove any thawed cook time and power level.
  • Page 9 Speed Oven Cavity Component Removal and Installation service.subzero.com CAVITY COMPONENT REMOVAL AND INSTALLATION Remove the dish from then unit. OVEN RACK REMOVAL Remove the Oven Rack Open the door. Slide the rack forward in the rack guides. Angle the front of the rack upward.
  • Page 10 Speed Oven Cavity Component Removal and Installation service.subzero.com ROLLER ASSEMBLY INSTALLATION Install the Roller Assembly Place the roller assembly onto the turntable coupler. 828422 REV. A 03/2019...
  • Page 11 Speed Oven Door Component Removal and Installation service.subzero.com DOOR COMPONENT REMOVAL AND INSTALLATION Remove the choke cover. CHOKE COVER SEAL REMOVAL To remove the choke cover seal, first open the door. Remove the Choke Cover Seal Use a putty knife or plastic knife to pry the choke cover seal from between the choke cover and the door panel.

  • Page 12: Door Handle Installation

    Speed Oven Door Component Removal and Installation service.subzero.com REMOVE THE DOOR PANEL (continued) Support the door panel from below, and use a T-10 Torx bit Remove the door handle from the unit. to remove the screws holding the door panel to the door.

  • Page 13: Door Installation

    Speed Oven Door Component Removal and Installation service.subzero.com REMOVE THE DOOR (continued) Remove the door from the unit. Adjust the Door Latch Microswitches Open the door, and insert a .5 mm shim. Close the door, with the shim still in position.
  • Page 14 Speed Oven Door Component Removal and Installation service.subzero.com CHECK THE DOOR LATCH MICROSWITCH ADJUSTMENT (continued) Remove the .5 mm shim. 828422 REV. A 03/2019...
  • Page 15 Speed Oven External Component Removal and Installation service.subzero.com EXTERNAL COMPONENT REMOVAL AND INSTALLATION Remove the unit handle from the unit cover. AIR INTAKE TRIM REMOVAL uninstall the unit To remove the control cover, first or pull it forward three inches.
  • Page 16 Speed Oven External Component Removal and Installation service.subzero.com LATCH COVER INSTALLATION LATCH MICROSWITCH INSTALLATION Install the Door Latch Cover Install the Door Latch Microswitch Place the latch cover onto the unit. Place the latch microswitch onto the stud in the latch assembly.
  • Page 17 Speed Oven External Component Removal and Installation service.subzero.com Remove the Turntable Motor Coupler TURNTABLE MOTOR REMOVAL Pull the turntable motor coupler out from the bottom of the To remove the turntable motor, first uninstall the unit from the unit. opening and set the unit on its back. Then, remove:...
  • Page 18 Speed Oven External Component Removal and Installation service.subzero.com REMOVE THE CONTROL COVER (continued) Remove the control cover from the unit. Disconnect the ribbon cable. CONTROL COVER INSTALLATION CONTROL PANEL ASSEMBLY INSTALLATION Install the Control Cover Install the Control Panel Assembly Place the control cover onto the unit.
  • Page 19 Speed Oven External Component Removal and Installation service.subzero.com REMOVE THE UNIT DISPLAY (continued) Use a T-10 Torx bit to remove the screws from the unit Remove the back duct from the unit. display. Disconnect the unit display harness from the keypad.
  • Page 20 Speed Oven External Component Removal and Installation service.subzero.com REAR OUTER COVER INSTALLATION POWER CORD REMOVAL WARNING Install the Rear Outer Cover Turn off the power to the product before starting this procedure. Place the rear outer cover onto the unit.

  • Page 21: Noise Filter Installation

    Speed Oven External Component Removal and Installation service.subzero.com To remove the noise filter, first uninstall the unit . Then, remove: To remove the 20 Amp fuse, first uninstall the unit . Then, remove: Back duct Back duct Rear outer cover...
  • Page 22 Speed Oven Internal Component Removal and Installation service.subzero.com INTERNAL COMPONENT REMOVAL AND INSTALLATION Fan motor cover Control cover UNIT COVER REMOVAL Unit cover uninstall the unit To remove the unit cover, first . Then, remove: Back duct Remove the Door Latch Assembly...
  • Page 23 Speed Oven Internal Component Removal and Installation service.subzero.com INSTALL THE DOOR LATCH ASSEMBLY (continued) Connect the microswitch wire connectors. TIP: Incorrect connection can blow the 20 A fuse. SIDE TRIM INSTALLATION Install the Side Trim Place the side trim onto the unit so that the tabs align with the grooves in the unit side support.

  • Page 24: Control Board Installation

    Speed Oven Internal Component Removal and Installation service.subzero.com POWER SUPPLY BOARD INSTALLATION CONTROL BOARD INSTALLATION Install the Power Supply Board Install the Control Board Place the power supply board onto the standoff. Slide the control board into the retainers on the front duct.
  • Page 25 Speed Oven Internal Component Removal and Installation service.subzero.com Use a T-20 Security Torx bit to install the screws holding the upper chassis support to the chassis. COOLING FAN MOTOR INSTALLATION Install the Cooling Fan Motor ABSOLUTE HUMIDITY SENSOR REMOVAL Place the cooling fan motor onto the unit.

  • Page 26: Thermistor Removal

    Speed Oven Internal Component Removal and Installation service.subzero.com DAMPER MOTOR REMOVAL THERMISTOR REMOVAL WARNING WARNING Turn off the power to the product before starting this Turn off the power to the product before starting this procedure. procedure. uninstall the unit...

  • Page 27: Thermistor Installation

    Speed Oven Internal Component Removal and Installation service.subzero.com REMOVE THE THERMISTOR (continued) Pull the thermistor wire connector through the hole in the inner side panel. LED OVEN LAMP REMOVAL WARNING Turn off the power to the product before starting this procedure.

  • Page 28: Transformer Removal

    Speed Oven Internal Component Removal and Installation service.subzero.com REMOVE THE LED OVEN LAMP (continued) Fan motor cover Carefully press the lug at the top of the LED holder to remove the LED board from the LED holder. Control cover Unit cover...

  • Page 29: Capacitor Removal

    Speed Oven Internal Component Removal and Installation service.subzero.com CAPACITOR REMOVAL CAPACITOR INSTALLATION WARNING Install the Capacitor Turn off the power to the product before starting this procedure. WARNING Discharge the capacitor before handling it. Failure to uninstall the unit To remove the capacitor, first .
  • Page 30 Speed Oven Internal Component Removal and Installation service.subzero.com REMOVE THE MAGNETRON (continued) Use a T-20 Security Torx bit to remove the screws from the magnetron. Remove the Convection Assembly Cover Remove the magnetron from the unit. Use a T-10 Torx bit to remove the screws connecting the wires to the convection heating element.
  • Page 31 Speed Oven Internal Component Removal and Installation service.subzero.com Back duct Remove the Convection Element Rear outer cover Fan motor cover Use a T-20 Torx bit to remove the screws holding the Convection assembly cover convection element to the convection assembly.
  • Page 32 Speed Oven Internal Component Removal and Installation service.subzero.com Remove the Convection Fan Blade Remove the Convection Fan Motor Assembly Use a 7 mm socket to remove the nut holding the Use a T-20 Torx bit to remove the screws holding the convection fan blade to the convection fan motor.
  • Page 33 Speed Oven Internal Component Removal and Installation service.subzero.com REMOVE THE THERMAL COVER (continued) Unhook the tabs on the ducts from the hooks on the inner surface of the fan motor plate. Remove the Broiler Cover Remove the thermal cover from the unit.
  • Page 34 Speed Oven Internal Component Removal and Installation service.subzero.com Use a T-20 Torx bit to install the screw holding the element mounting bracket to the underside of the broiler cover. BROILER ELEMENT REMOVAL Bend the broiler cover tabs inward to further secure the element mounting bracket.

  • Page 35: Troubleshooting Guide

    Speed Oven Troubleshooting service.subzero.com TROUBLESHOOTING TROUBLESHOOTING GUIDE Condition Problem Test/Action Check the 20 A fuse Fuse F2 (E8A) blows when Check latch switch SW1 the door is opened. Check relay RY2. Home fuse blows when Test the power cord for a short circuit.
  • Page 36 Speed Oven Troubleshooting service.subzero.com Troubleshooting Guide Condition Problem Test/Action Check adjustment of the latch microswitches Turntable motor does not Check latch switch SW1 operate (but oven lamp Check for an open circuit in the wire harness. illuminates). Test the turntable motor...
  • Page 37 Speed Oven Troubleshooting service.subzero.com Troubleshooting Guide Condition Problem Test/Action Test the monitor switch SW3. Check the thermistor. Check for a short or open in the wire harness. Test the convection element Test the control panel Test relay RY3. Check the convection fan for a blockage.
  • Page 38 Speed Oven Troubleshooting service.subzero.com Condition Problem Test/Action Check the wire harness for an open circuit. Test the broiler element Test relay RY4. UNINSTALL THE UNIT TEST THE MAGNETRON Disconnect the power cord. To isolate the magnetron from the high-voltage circuit, remove all wire connectors connected to the filament Remove the unit from the opening.
  • Page 39 Speed Oven Troubleshooting service.subzero.com TEST THE HIGH-VOLTAGE RECTIFIER ASSEMBLY (continued) Test the high-voltage rectifier: a) Use an ohmmeter set to the highest range to test TEST A LATCH MICROSWITCH across terminal B and C of the high-voltage rectifier. b) Note the reading.
  • Page 40 Speed Oven Troubleshooting service.subzero.com Press every key in turn until all keys have been pressed at least once. TEST THE NOISE FILTER The display goes through a series of test screens. Disconnect the wire connectors from the noise filter Open the door.
  • Page 41 Speed Oven Troubleshooting service.subzero.com TEST THE BROILER ELEMENT (continued) For each broiler element, use an ohmmeter to check between the broiler element terminals. The resistance should be ~ 65 Ω. If the resistance is more than 10% different from the specification, replace the broiler element.
  • Page 42 Speed Oven Technical Data service.subzero.com TECHNICAL DATA SPEED OVEN TECHNICAL DATA Part and Part Number Value Type F20A Fuse (20 A, noise filter) 826338 Rating 250 V Resistance ~ 30 Ω Convection element 828648 Current draw ~ 7.25 A Resistance ~ 65 Ω...

  • Page 43: Wiring Diagrams

    Speed Oven Wiring Diagrams service.subzero.com WIRING DIAGRAMS SPEED OVEN WIRING DIAGRAMS 828422 REV. A 03/2019...
  • Page 44 Speed Oven Wiring Diagrams service.subzero.com Speed Oven Wiring Diagrams 828422 REV. A 03/2019...
  • Page 45 Speed Oven Wiring Diagrams service.subzero.com Speed Oven Wiring Diagrams 828422 REV. A 03/2019...
  • Page 46 Speed Oven Wiring Diagrams service.subzero.com Speed Oven Wiring Diagrams 828422 REV. A 03/2019...
  • Page 47 Speed Oven Wiring Diagrams service.subzero.com Speed Oven Wiring Diagrams 828422 REV. A 03/2019...
  • Page 48 Speed Oven Wiring Diagrams service.subzero.com Speed Oven Wiring Diagrams 828422 REV. A 03/2019...
  • Page 49 Speed Oven Wiring Diagrams service.subzero.com 828422 REV. A 03/2019...

Table of Contents