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General Information
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.
This guide is intended for use by Factory Certified Service. Wolf
Appliance, Inc. recommends that only Factory Certified Service
companies do repairs.
Warning and Caution product safety labels appear throughout
this manual. Product safety labels appear at the beginning of
some sections. Follow the instructions in the product safety
labels to avoid personal injury and/or product damage. The
sample safety labels explain the types of notices that appear in
this manual.
WARNING
States a hazard that may cause serious injury or
death if precautions are not followed.
CAUTION
Indicates minor injury or product damage may occur
if precautions are not followed.
IMPORTANT NOTE: Highlights especially important information.
TIP: Indicates additional, useful information.
Information and images contained herein are copyright of Wolf
Appliance, Inc. Neither this manual nor any information or
images contained herein may be copied or used in whole or in
part without the express written consent of Wolf Appliance, Inc.
©
Wolf Appliance, Inc., all rights reserved.
WOLF PRODUCT RATING PLATE INFORMATION
On the CSO, the rating plate with the serial number is found on
the left-hand side trim inside the door.
Important information for each product is listed on the product
rating plate. Rating plates identify:
Model
Serial number
Electrical information
827703 REV B.1
CSO (SWS #13543126)
CSO24TE/S
MODEL DESCRIPTIONS AND SALES ACCESSORIES
For more details on individual model descriptions and a listing
of all compatible sales accessories, see the
Sales Accessory Reference Guide
CSO MODEL KEY
Description
Convection Steam Oven
Nominal Width
Trim Style T
Trim Style P
Trim Style C
Matching Oven Trim E
Matching Oven Trim M
Metal Type
Metal Type
Stainless Steel Handle Style
International Designation
PRODUCT USE AND CARE AND INSTALLATION GUIDES
Product use and care guides, installation guides, and other
product specifications are available in the
Specifications and Manuals Library
1
service.subzero.com
Wolf Product and
.
Model Character
CSO
24" and 30"
Transitional
Professional
Contemporary
E Series Ovens
M Series Ovens
/S for Stainless Steel
/B for Black
/TH for Tubular Handles
/PH for Professional Handles
Product
.
ICB

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Table of Contents
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Summary of Contents for Wolf CSO24TE/S

  • Page 1 Read the complete instructions contained within before initiating any repairs. CSO24TE/S This guide is intended for use by Factory Certified Service. Wolf Appliance, Inc. recommends that only Factory Certified Service companies do repairs. Warning and Caution product safety labels appear throughout this manual.
  • Page 2: General Information

    CSO (SWS #13543126) General Information service.subzero.com Unit Warranty (continued) UNIT WARRANTY Product warranty is determined by the installation location and the date of installation. https://www.subzero-wolf.com/ • View product warranties at warranty • Warranties start on the day of product installation. •...
  • Page 3: General Controls

    CSO (SWS #13543126) General Controls service.subzero.com GENERAL CONTROLS FIRST-TIME USE Selecting a cooking mode the first time causes the unit to prompt the user to the set the language and clock. See also: Set the language Set the clock CONTROL PANEL The CSO controls operate by touch.
  • Page 4: Cooking Modes

    CSO (SWS #13543126) Cooking Modes service.subzero.com COOKING MODES COOKING MODE SUBMENU Symbol Name Information QUICK START Back The cooking modes in the Quick Start menu are basic cooking modes and do not have recipes. Set Food Temperature range is 90°F - Probe 210°F.
  • Page 5 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode (continued) GOURMET MODE Gourmet contains programmed recipes for cooking selected foods. 827703 REV B.1...
  • Page 6 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options VEGETABLES Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name 1. Leaf Spinach • • Without preheat. Vegetables Cook Set up if desired • • Perforated cooking Set Duration 0:10 tray at rack position 2.
  • Page 7 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options VEGETABLES Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name • • Perforated cooking Set End Adjustable tray at rack position 2. • Start • Place solid tray on the rack position below the perforated tray or wire shelf.
  • Page 8 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options MEAT Symbol and Submenu Cut or Type Cooking Method Information Cooking Mode Submenu Name Meat 1. Veal 1.1 Rump, Loin • • Slow Roast Sear Without preheat. Medium 145°F • Wire shelf at rack •...
  • Page 9 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options MEAT Symbol and Submenu Cut or Type Cooking Method Information Cooking Mode Submenu Name 2.2 Tenderloin • • Slow Roast Sear Without preheat. Rare 131°F • Wire shelf at rack • Medium 142°F position 2.
  • Page 10 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options MEAT Symbol and Submenu Cut or Type Cooking Method Information Cooking Mode Submenu Name • • Wire shelf at rack 375°F position 2. • Set Duration 1:10 • Put the food in a •...
  • Page 11 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options MEAT Symbol and Submenu Cut or Type Cooking Method Information Cooking Mode Submenu Name place on the wire shelf. • Medium Browned or Well Browned. 4. Leg of • • Slow Roast Sear Without preheat.
  • Page 12 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options MEAT Symbol and Submenu Cut or Type Cooking Method Information Cooking Mode Submenu Name place on the wire shelf. • Continue. POULTRY Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name 1.
  • Page 13 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options POTATOES Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name 1. Potato Gratin • • Potatoes Cook Without preheat. Set up if desired • Wire shelf at rack • 365°F position 2.
  • Page 14 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options FRESH PIZZA Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name • • Fresh Pizza With preheat. Bake Set up if desired • • Cooking tray at rack Set Duration 0:22 position 2.
  • Page 15 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options ONE DISH MEALS Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name One Dish 1. Vegetable Gratin • • Cook Without preheat. Set up if desired Meals • Wire shelf at rack •...
  • Page 16 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options SIDE DISHES Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name Side Dishes 1. Roast Potatoes • • Bake Without preheat. Set up if desired • Stainless steel tray at •...
  • Page 17 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options FISH Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name 1. Fish Fillet • • Fish Without Preheat. Cook Set up if desired • • Perforated cooking 180°F tray at rack position 2. •...
  • Page 18 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options BAKED GOODS Symbol and Submenu Cut or Type Cooking Information Cooking Mode Submenu Name Method Baked 1. Bread • • Auto Steam Without preheat. Set up if desired Goods Bake • Stainless steel •...
  • Page 19 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options BAKED GOODS Symbol and Submenu Cut or Type Cooking Information Cooking Mode Submenu Name Method 3. Bread Rolls • • Auto Steam Without preheat. Set up if desired Bake • Stainless steel •...
  • Page 20 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options BAKED GOODS Symbol and Submenu Cut or Type Cooking Information Cooking Mode Submenu Name Method • Medium Browned. 7. Sheet Cake • • With preheat. Bake Set up if desired • Cooking tray at •...
  • Page 21 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options GRAINS Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name Dry Rice • • Without Preheat. Grains Cook Set up if desired • • Wire shelf at rack Set Duration 0:30 position 2.
  • Page 22 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options FRUIT Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name 1. Apple Slices • • Without preheat. Fruit Compote Set up if desired • • Stainless steel tray at Set Duration 0:15 rack position 2.
  • Page 23 CSO (SWS #13543126) Cooking Modes service.subzero.com Gourmet Mode Options FRUIT Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name • • Preserve Without Preheat. Set up if desired • Perforated cooking • Set Duration 0:35 tray at rack position 2. •...
  • Page 24: More Mode

    CSO (SWS #13543126) Cooking Modes service.subzero.com FRUIT Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name the perforated tray or wire shelf. • For more information, see the operating instructions for Gourmet. • Continue. YOGURT Symbol and Submenu Cooking Method Information Cooking Mode Submenu Name...
  • Page 25 CSO (SWS #13543126) Cooking Modes service.subzero.com SET A COOKING MODE IN MORE MODE (continued) Use the arrow keys to select a cooking mode. A menu The Cooking Mode submenu appears after all the appears with the recipe category options. information screens have been acknowledged. •...
  • Page 26 CSO (SWS #13543126) Cooking Modes service.subzero.com More Mode Options RECIPES Name and Symbol Submenu Information Cooking Mode Submenu 1. Run Recipe • Created recipe required. • Use the arrow keys to select the created Recipes recipe. • Touch Enter to select the recipe. 2.
  • Page 27 CSO (SWS #13543126) Cooking Modes service.subzero.com More Mode Options MORE GOURMET Name and Symbol Submenu Information Cooking Mode Submenu More Gourmet • Rack position 2 or both 1 and 3. • Fresh Appetizers Set End Adjustable for Light Browned • Set End Adjustable for Medium Browned •...
  • Page 28 CSO (SWS #13543126) Cooking Modes service.subzero.com More Mode Options AUTO STEAM BAKE Name and Symbol Submenu Information Cooking Mode Submenu Auto Steam Bake • Rack position 2 or both 1 and 3. • Bread Set up if desired • 410°F •...
  • Page 29 CSO (SWS #13543126) Cooking Modes service.subzero.com More Mode Options SLOW ROAST Name and Symbol Submenu Cut or Type Information Cooking Mode Submenu 1. Freely Select • Rack position 2. • Slow Roast 158°F Adjustable Meat Type Sear • Set Duration 3:30 Adjustable •...
  • Page 30 CSO (SWS #13543126) Cooking Modes service.subzero.com More Mode Options SLOW ROAST Name and Symbol Submenu Cut or Type Information Cooking Mode Submenu • Start 5. Lamb 5.1 Leg of Lamb • Rack position 2. • Rare 145°F Adjustable • Rare or Medium. •...
  • Page 31 CSO (SWS #13543126) Cooking Modes service.subzero.com KEEP WARM Name and Symbol Information Cooking Mode Submenu Keep Warm • Rack position 2 or both 1 and 3. • 176°F • Set Duration 0:30 Adjustable • Set End Adjustable • Start COOKING MODE SUBMENU Symbol Name Information...
  • Page 32 CSO (SWS #13543126) Cooking Modes service.subzero.com Favorites Mode Options FAVORITES MODE OPTIONS Name and Symbol Submenu Settings • Create new favorites. Favorites Manage favorites • Change favorites. • Delete favorites. • Created favorites from 1 to 24. • Touch Enter to select the favorite. •...
  • Page 33 CSO (SWS #13543126) service.subzero.com SETTINGS 827703 REV B.1...
  • Page 34 CSO (SWS #13543126) Settings service.subzero.com Settings (continued) SETTINGS Touch Enter. The Language Selection screen appears. The Settings menu allows the user to select preferences as listed in the chart below. SETTINGS Symbol Name Set Language Adjust Display Set Clock Use the arrow keys to select the desired language. Configure Notifications •...
  • Page 35 CSO (SWS #13543126) Settings service.subzero.com ADJUST THE CONTRAST (continued) Touch Enter. The Adjust Display screen appears. Use the arrow keys to underline Set Brightness Touch Enter on Set Brightness Use the arrow keys to adjust the brightness between 1 and Touch Enter.
  • Page 36 CSO (SWS #13543126) Settings service.subzero.com Set the Switch-Off Time (continued) Set the Switch-Off Time Set the Clock Time Touch Settings twice. The Settings menu appears. Touch Settings twice. The Settings menu appears. Touch the right arrow key to move to Adjust Display. Touch the right arrow key to move to Set Clock.
  • Page 37 CSO (SWS #13543126) Settings service.subzero.com Set the 12-Hour or 24-Hour Clock Mode (continued) Set the 12-Hour or 24-Hour Clock Mode Set the Clock Show Time Touch Settings twice. The Settings menu appears. Touch Settings twice. The Settings menu appears. Touch the right arrow key to move to Set Clock. Touch the right arrow key to move to Set Clock.
  • Page 38 CSO (SWS #13543126) Settings service.subzero.com Set the Clock Mains Synchronization (continued) Set the Clock Mains Synchronization Configure the Button Signal Touch Settings twice. The Settings menu appears. Touch Settings twice. The Settings menu appears. Touch the right arrow key to move to Set Clock. Touch the right arrow key to move to Configure Notifications.
  • Page 39 CSO (SWS #13543126) Settings service.subzero.com Configure the Instruction Signal (continued) Configure the Instruction Signal Configure the Instructions Touch Settings twice. The Settings menu appears. Touch Settings twice. The Settings menu appears. Touch the right arrow key to move to Configure Touch the right arrow key to move to Configure Notifications.
  • Page 40 CSO (SWS #13543126) Settings service.subzero.com Descale the Appliance (continued) Descale the Appliance Touch the right arrow key to move to Set Water Hardness. Touch Settings twice. The Settings menu appears. Touch Enter. The Water Hardness screen appears. Touch the right arrow key to move to Descale Appliance. Use the arrow keys to underline the water hardness level: •...
  • Page 41 CSO (SWS #13543126) Settings service.subzero.com SET THE LOUDNESS (continued) Touch the right arrow key to move to Set Loudness. Touch the right arrow key to move to Set Assistance Functions. Touch Enter. The Acoustic Signal screen appears. Touch Enter. The Assistance Function screen appears. 0’20 Use the arrow keys to select the loudness: Use the arrow keys to underline Switch Automatic...
  • Page 42 CSO (SWS #13543126) Settings service.subzero.com CONFIGURE AUTOMATIC WATER TANK (continued) Touch the right arrow key to move to Set Assistance Touch the right arrow key to move to Set Assistance Functions. Functions. Touch Enter. The Assistance Function screen appears. Touch Enter. The Assistance Function screen appears. 0’20 0’20 Use the arrow keys to underline Automatic Water Tank on or...
  • Page 43 CSO (SWS #13543126) Settings service.subzero.com CONFIGURE TEMPERATURE UNITS (continued) Touch the right arrow key to move to Configure Touch the right arrow key to move to Configure Temperature. Temperature. Touch Enter. The Configure Temperature screen appears. Touch Enter. The Configure Temperature screen appears. Use the arrow keys to underline Default Value for Slow Use the arrow keys to underline Set Temperature Unit Roasting...
  • Page 44 CSO (SWS #13543126) Settings service.subzero.com SET CHILDPROOF LOCK (continued) Touch the right arrow key to move to Set Childproof Lock. Touch the right arrow key to move to Display Appliance Info. Touch Enter. The Childproof Lock screen appears. Touch Enter. The Appliance Info screen appears. Touch Enter to turn the lock on or off.
  • Page 45 CSO (SWS #13543126) Settings service.subzero.com See Appliance Identification (continued) See Appliance Identification See Operating Data Touch Settings twice. The Settings menu appears. Touch Settings twice. The Settings menu appears. Touch the right arrow key to move to Display Appliance Info. Touch the right arrow key to move to Display Appliance Info.
  • Page 46 CSO (SWS #13543126) Settings service.subzero.com Demo Mode (continued) Demo Mode Check Connection Touch Settings twice. The Settings menu appears. Touch Settings twice. The Settings menu appears. Touch the right arrow key to move to Demo Mode. Touch the right arrow key to move to Check Connection. Touch Enter.
  • Page 47 CSO (SWS #13543126) Settings service.subzero.com Restore Factory Settings (continued) Restore Factory Settings Touch Settings twice. The Settings menu appears. Touch the right arrow key to move to Restore Factory Settings. Touch Enter. The Do You Want to Delete the Favorites? screen appears.
  • Page 48 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com CAVITY COMPONENT REMOVAL AND INSTALLATION Remove the Door Front or the Inner Door DOOR REMOVAL Place the door on a padded surface, the handle side up. Use a T-10 Torx bit to remove the left and right inner door mounting screws.
  • Page 49 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com Intermediate Door Glass Removal (continued) INTERMEDIATE DOOR GLASS REMOVAL Remove the handle and handle standoffs from the door front. To remove the intermediate door glass, first remove: Door Door front or inner door Remove the Intermediate Door Glass Use pliers to straighten the glass retainer tabs.
  • Page 50 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com REMOVE THE RETRACTABLE DOOR HANDLE (continued) Remove the handle assembly from the inner door. DOOR SEAL INSTALLATION Install the Door Seal Insert the door seal in the channel around the oven door. RACK REMOVAL Remove the Rack Pull the rack forward out of the unit.
  • Page 51 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com REMOVE THE RACK GUIDE (continued) Pull the rack guide forward out of the unit. Pull the rack guide forward out of the unit. Remove the Food Probe Cover RACK GUIDE INSTALLATION Lift the food probe cover.
  • Page 52 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com INSTALL THE RACK GUIDE (continued) Install the rack guide nut. Remove the halogen light bulb. Install the Rack Insert the rack between the rails of the rack guide. Push the rack into the oven. HALOGEN LIGHT BULB REMOVAL To remove the halogen light bulb, first remove the racks and the left rack guide.
  • Page 53 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com Remove the Rack (continued) Remove the Rack Use a T-20 Torx bit to install the screws into the rear baffle. Pull the rack forward out of the unit. Install the Rack Guide Insert the rack guide rails into the rear baffle.
  • Page 54 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com REMOVE THE REAR BAFFLE (continued) Remove the rear baffle from the unit. Use a 10 mm socket to install the nut onto the hot air fan blade. Install the Rear Baffle Place the rear baffle against the back wall of the oven cavity.
  • Page 55 CSO (SWS #13543126) Cavity Component Removal and Installation service.subzero.com REMOVE THE RACK GUIDE (continued) Pull the rack guide forward out of the unit. Remove the element form the unit. Remove the Rear Baffle ELEMENT INSTALLATION Use a T-20 Torx bit to remove the screws from the rear baffle.
  • Page 56 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com TOP COMPONENT REMOVAL AND INSTALLATION Install the Unit WATER TANK REMOVAL Move the unit into the installation. Turn on the power to the unit. Remove the Water Tank Touch Water on the control panel. Remove the water tank from the unit.
  • Page 57 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com Remove the Handle Actuator (continued) Remove the Handle Actuator Remove the Door Switch Use a T-10 Torx bit to remove the handle actuator side Disconnect the door switch wire connector from the control mounting screws.
  • Page 58 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com REMOVE THE VALVE ASSEMBLY (continued) Remove the wire connectors from the water valve. Remove the Tank Housing Cover Remove the ground wires. Remove the wire guides from the tank housing cover. Remove the drive motor tab from the tank housing cover.
  • Page 59 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com REMOVE THE TANK HOUSING BASE (continued) Remove the tank housing base from the unit. Remove the Control Board Open the lock(s) on the ribbon cable connectors, and remove the ribbon cable(s) from the control board. Disconnect the wire connectors from the control board.
  • Page 60 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com INSTALL THE CONTROL BOARD (continued) Insert the ribbon cable into the ribbon cable connector and Remove the Control Board lock the ribbon cable connector. Open the lock(s) on the ribbon cable connectors, and remove the ribbon cable(s) from the control board.
  • Page 61 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com Display Installation (continued) DISPLAY INSTALLATION Remove the Water Tank After installing the display, install: Touch Water on the control panel. Control board Remove the water tank from the unit. Panel assembly Then install the unit Install the Display...
  • Page 62 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com REMOVE THE TANK HOUSING COVER (continued) Remove the tank housing cover from the unit. Remove the tank housing base from the unit. Remove the Valve Assembly Remove the Control Board Remove the wire connectors from the water tank Open the lock(s) on the ribbon cable connectors, and microswitch.
  • Page 63 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com Remove the Display (continued) Remove the Display Remove the control board bracket from the control panel. Lift the tabs on the control board bracket at the top of the display. Remove the display from the unit. CONTROL PANEL INSTALLATION After installing the control panel, install: Remove the Control Panel...
  • Page 64 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com INSTALL THE CONTROL BOARD (continued) Insert the ribbon cable into the ribbon cable connector and Install the Water Tank Assembly lock the ribbon cable connector. Install the water tank into the unit. Push the water tank closed.
  • Page 65: Loudspeaker Removal

    CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com Install the Room Air Fan (continued) Install the Room Air Fan Remove the loudspeaker from the top exhaust duct. Align the arrow on the room air fan with the open arrow on the top exhaust duct.
  • Page 66 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com REMOVE THE TOP PLATE (continued) Remove the top plate from the unit. Install the Top Plate Place the top plate on the unit. Use a T-20 Torx bit to install the screws into the top plate. STEPPER MOTOR REMOVAL To remove the stepper motor, first remove the top plate.
  • Page 67 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com Stepper Motor Installation (continued) STEPPER MOTOR INSTALLATION Remove the loudspeaker from the top exhaust duct. Install the Stepper Motor Slide the stepper motor backward over the stepper motor retainer until the stepper motor tabs lock into place. Connect the electrical connector to the stepper motor.
  • Page 68 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com REMOVE THE TEMPERATURE SENSOR 300C (continued) Remove the temperature sensor 300C from the top exhaust Remove the top exhaust duct from the unit. duct. Remove the Stepper Motor TOP EXHAUST DUCT INSTALLATION Disconnect the electrical connector from the stepper motor.
  • Page 69 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com INSTALL THE ROOM AIR FAN (continued) Connect the electrical connectors to the room air fan. Remove the loudspeaker from the top exhaust duct. Install the Loudspeaker Insert the tabs of the loudspeaker into the top exhaust duct. Rotate the loudspeaker counterclockwise until the arrow on top of the loudspeaker is pointing to the front of the unit.
  • Page 70 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com REMOVE THE TEMPERATURE SENSOR 300C (continued) Remove the temperature sensor 300C from the top exhaust Remove the top exhaust duct from the unit. duct. Remove the Valve Coupler Assembly Remove the Stepper Motor Use a T-15 Torx bit to extract the screws from the stepping Disconnect the electrical connector from the stepper motor.
  • Page 71 CSO (SWS #13543126) Top Component Removal and Installation service.subzero.com REMOVE THE VALVE COUPLER ASSEMBLY (continued) Pull the valve coupler down out of the top exhaust duct. Connect the temperature sensor 300C electrical connector to the unit relay board. Install the Room Air Fan Align the arrow on the room air fan with the open arrow on the top exhaust duct.
  • Page 72: Temperature Sensor Removal

    CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com BACK COMPONENT REMOVAL AND INSTALLATION Use a T-20 Torx bit to install the screw into the temperature sensor. TEMPERATURE SENSOR REMOVAL Connect the temperature sensor electrical connector to the To remove the temperature sensor, first remove the top plate. control board.
  • Page 73 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com REMOVE THE CSO RESISTOR (continued) Remove the CSO resistor from the unit. Remove the top plate from the unit. Remove the Thermostat 280C CSO RESISTOR INSTALLATION Disconnect the electrical connectors from the thermostat 280C.
  • Page 74: Power Cord Installation

    CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com INSTALL THE TOP PLATE (continued) Use a T-20 Torx bit to install the screws into the top plate. Install the Power Cord Install the cable clamp onto the power cord. Place the cable clamp and power cord in the unit. POWER CORD REMOVAL Install the cable protector onto the power cord.
  • Page 75 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com REMOVE THE UNIT RELAY BOARD (continued) Remove the unit relay board from the unit. Remove the top plate from the unit. Remove the Rack UNIT RELAY BOARD INSTALLATION Pull the rack forward out of the unit. Install the Unit Relay Board Place the unit relay board onto the spacers.
  • Page 76 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com REMOVE THE REAR BAFFLE (continued) Remove the rear baffle from the unit. Remove the convection fan motor from the unit. Remove the Hot Air Fan Blade CONVECTION FAN MOTOR INSTALLATION TIP: The hot air fan blade nut is reverse threaded. Use a 10 mm socket to remove the nut from the hot air fan Install the Convection Fan Motor blade.
  • Page 77 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com Install the Rack (continued) Install the Rack Remove the drain pump assembly from the unit. Insert the rack between the rails of the rack guide. Push the rack into the oven. Install the Top Plate Place the top plate on the unit.
  • Page 78 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com REMOVE THE TOP PLATE (continued) Remove the top plate from the unit. Remove the drain pump retainer from the unit. Remove the Drain Pump Assembly DRAIN PUMP RETAINER INSTALLATION Disconnect the discharge hose to the water tank from the drain pump assembly.
  • Page 79 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com REMOVE THE TOP PLATE (continued) Remove the top plate from the unit. Insert the evaporator into the retaining tabs on the unit. Use a flat-blade screwdriver to pry out the tab over the evaporator.
  • Page 80 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com REMOVE THE EVAPORATOR (continued) Disconnect the electrical connector to the temperature Insert the level measure pin and pin tube into the sensor. evaporator. Use a flat-blade screwdriver to press in the tab above the Connect the electrical connector to the level measure pin.
  • Page 81 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com Remove the Evaporator (continued) Remove the Evaporator Remove the temperature sensor 100C and grommet from the unit. Disconnect the hose that goes to the drain pump suction. Disconnect the condenser water nozzle from the evaporator.
  • Page 82 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com Food Probe Socket Removal (continued) FOOD PROBE SOCKET REMOVAL Remove the Food Probe Socket To remove the food probe socket, first remove the racks, right- Use diagonal pliers to cut across the front joints of the food hand rack guide, and food probe cover.
  • Page 83 CSO (SWS #13543126) Back Component Removal and Installation service.subzero.com Install the Food Probe Cover (continued) Install the Food Probe Cover Remove the PTC heater from the unit. Place the food probe seal onto the food probe cover. Place the food probe cover over the food probe switch threads.
  • Page 84: Troubleshooting Guide

    CSO (SWS #13543126) Troubleshooting service.subzero.com TROUBLESHOOTING TROUBLESHOOTING GUIDE Error Code Error Possible Cause Test/Action EEPROM read error. Moisture on control Inspect for steam leaks. board. Replace the control board if error persists. EEPROM writes error. Moisture on control Inspect for steam leaks. board.
  • Page 85 CSO (SWS #13543126) Troubleshooting service.subzero.com Troubleshooting Guide Error Code Error Possible Cause Test/Action E15/A1 Maximum operating The cooking mode is Instruct customer on operating times: time exceeded. canceled if the unit is • Cavity temperature < 212ºF: not canceled. not being operated. •...
  • Page 86 CSO (SWS #13543126) Troubleshooting service.subzero.com Troubleshooting Guide Error Code Error Possible Cause Test/Action E29/F9 Leaking steam. Slider stuck or Communicate the maximum amount of frozen defective. food to the customer. Replace the slider. Cooking space not Inspect the door seal. tight.
  • Page 87 CSO (SWS #13543126) Troubleshooting service.subzero.com Troubleshooting Guide Error Code Error Possible Cause Test/Action For SO24: Check the wiring to all elements. Measure the resistance of the bake element and the convection element. Replace the relay board. E44/F26 Increase in water Defective evaporator Check the resistance of the evaporator heater.
  • Page 88 CSO (SWS #13543126) Troubleshooting service.subzero.com Troubleshooting Guide Error Code Error Possible Cause Test/Action Sequence control data Error only occurs Turn the power to the unit off and then back on invalid. during operation. again. Run unit again. Replace the control board. E57/U0 L1 voltage - over Voltage at L1 greater...
  • Page 89 Replace the retractable door drive. Replace the relay board. E78/F24 Sump pumping off Not applicable to Wolf products. error. E79/F27 Water inlet is not tight. Not applicable to Wolf products. Feed tank is not tight. Not applicable to Wolf products.
  • Page 90 Slider path restricted Slider blocked with grease. during operation. Slider mechanism is too tight. Replace the slider. E89/F18 Communication Not applicable to Wolf products. interruption - inverter. E90/F18 The temperature Not applicable to Wolf products. reading of the inverter heat sink is defective.
  • Page 91 CSO (SWS #13543126) Troubleshooting service.subzero.com Troubleshooting Guide Error Code Error Possible Cause Test/Action Replace the control board if the error continues. E107 Operating system: Moisture on control Inspect the control board for moisture. NVRAM-FLASH board. Replace the control board if the error continues. structure data error.
  • Page 92 CSO (SWS #13543126) Troubleshooting service.subzero.com Error Code Error Possible Cause Test/Action broil element, or Check the resistance of all elements. evaporator element. 827703 REV B.1...
  • Page 93: Technical Data

    CSO (SWS #13543126) Technical Data service.subzero.com TECHNICAL DATA CONVECTION STEAM OVEN TECHNICAL DATA TIP: All resistance measurements were performed with the part disconnected from the unit and the unit at room temperature. TIP: Resistance reading can vary ±10%. CONVECTION STEAM OVEN Data Point Value Element...
  • Page 94: Wiring Diagrams

    CSO (SWS #13543126) Wiring Diagrams service.subzero.com WIRING DIAGRAMS CSO WIRING DIAGRAM (SWS #13543126) 827703 REV B.1...

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