Subzero WOLF CSO User manual

General Information 2
Component Access & Removal 4
Troubleshooting Guide 44
Technical Data 53
Wiring Diagrams 54
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Convection Steam Oven
Service Manual

Page 2
SERVICE MANUAL INTRODUCTION
This technical service manual information assists with
troubleshooting and diagnosing malfunctions, completion of
repairs, and return of the product to proper operational
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 repairs be performed by
Factory Certified Service only.
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 instructions 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 located
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, including current draw
CSO24TE/S
MODEL DESCRIPTIONS AND SALES ACCESSORIES
For more details on individual model descriptions and a listing
of all compatible sales accessories, see the
Sub-Zero
Distributor Price List .
CSO MODEL KEY
Description Model Character
Convection Steam Oven CSO
Nominal Width 24" and 30"
Trim Style T Transitional
Trim Style P Professional
Trim Style C Contemporary
Matching Oven Trim E E Series Ovens
Matching Oven Trim M M Series Ovens
Metal Type /S for Stainless Steel
Metal Type /B for Black
Stainless Steel Handle Style /TH for Tubular Handles
/PH for Professional Handles
International Designation ICB
PRODUCT USE AND CARE AND INSTALLATION GUIDES
Product Use and Care Guides, Installation Guides, and other
product specifications are available in the
Product
Specifications and Manuals Library .
CSO (SWS #13543126)
General Information
GENERAL INFORMATION
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UNIT WARRANTY
Product warranty is determined by the installation location and
the date of installation.
▪View product warranties at
http://service.subzero.com/
ClaimsAndOrderProcessing/Pages/WarrantyInfo .
▪Warranties start on the day of product installation.
▪Search for warranty and service information by serial
number, customer last name, and address using Unit
History at
http://service.subzero.com/Tools/UnitHistory .
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General Information
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DOOR REMOVAL
Remove the Door
1Open the door.
2Rotate the hinge retainer clip on each hinge forward until
the hinge retainer clip stops.
3Close the door until the door stops against the hinge
retainer clips.
4Grasp the door toward the top on each side.
5Push the top of the door toward closing, while rotating the
bottom of the door away from the unit.
6Remove the door from the unit.
DOOR INSTALLATION
Install the Door
1Holding the door at a 45° angle, insert the door hinges into
the hinge slots.
2Lower the oven door until the oven door stops.
3Pull the door to the open position.
4Rotate the hinge retainer clips on each hinge backward until
the hinge retainer clips stop.
5Test the door.
DOOR FRONT OR INNER DOOR REMOVAL
To remove the door front, first remove the door.
Remove the Door
1Open the door.
2Rotate the hinge retainer clip on each hinge forward until
the hinge retainer clip stops.
3Close the door until the door stops against the hinge
retainer clips.
4Grasp the door toward the top on each side.
5Push the top of the door toward closing, while rotating the
bottom of the door away from the unit.
6Remove the door from the unit.
Remove the Door Front or the Inner Door
1Place the door on a padded surface, handle side down.
2Use a T-10 Torx bit to remove the left and right inner door
mounting screws.
3Lift the bottom of the door front.
4Push the door front toward the top of the inner door.
5The door front and inner door are separated. Remove the
door front or the inner door.
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Cavity Component Removal and Installation
CAVITY COMPONENT REMOVAL AND INSTALLATION
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DOOR FRONT OR INNER DOOR INSTALLATION
Install the Door Front or Inner Door
1Place the upper and lower gaskets onto the inner door.
2Place the door front onto the inner door above the inner
door bracket.
3Lift the bottom of the door front above the lower bracket of
the inner door.
4Pull the door front down over the inner door bracket.
5Use a T-10 Torx bit to install the left and right inner door
mounting screws.
Install the Door
1Holding the door at a 45° angle, insert the door hinges into
the hinge slots.
2Lower the oven door until the oven door stops.
3Pull the door to the open position.
4Rotate the hinge retainer clips on each hinge backward until
the hinge retainer clips stop.
5Test the door.
DOOR HANDLE REMOVAL
To remove the door handle, first remove the door, then separate
the door front and the inner door.
Remove the Door
1Open the door.
2Rotate the hinge retainer clip on each hinge forward until
the hinge retainer clip stops.
3Close the door until the door stops against the hinge
retainer clips.
4Grasp the door toward the top on each side.
5Push the top of the door toward closing, while rotating the
bottom of the door away from the unit.
6Remove the door from the unit.
Remove the Door Front or the Inner Door
1Place the door on a padded surface, handle side down.
2Use a T-10 Torx bit to remove the left and right inner door
mounting screws.
3Lift the bottom of the door front.
4Push the door front toward the top of the inner door.
5The door front and inner door are separated. Remove the
door front or the inner door.
Remove the Door Handle
1Use a T-25 Torx bit to remove the handle mounting screws.
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2Remove the handle and handle standoffs from the door
front.
DOOR HANDLE INSTALLATION
Install the Door Handle
1Place the door handle and handle standoffs onto the door
front.
2Use a T-25 Torx bit to install the handle mounting screws.
Install the Door Front or Inner Door
1Place the upper and lower gaskets onto the inner door.
2Place the door front onto the inner door above the inner
door bracket.
3Lift the bottom of the door front above the lower bracket of
the inner door.
4Pull the door front down over the inner door bracket.
5Use a T-10 Torx bit to install the left and right inner door
mounting screws.
Install the Door
1Holding the door at a 45° angle, insert the door hinges into
the hinge slots.
2Lower the oven door until the oven door stops.
3Pull the door to the open position.
4Rotate the hinge retainer clips on each hinge backward until
the hinge retainer clips stop.
5Test the door.
INTERMEDIATE DOOR GLASS REMOVAL
To remove the intermediate door glass, first remove the door,
then separate the door front and the inner door.
Remove the Door
1Open the door.
2Rotate the hinge retainer clip on each hinge forward until
the hinge retainer clip stops.
3Close the door until the door stops against the hinge
retainer clips.
4Grasp the door toward the top on each side.
5Push the top of the door toward closing, while rotating the
bottom of the door away from the unit.
6Remove the door from the unit.
Remove the Door Front or the Inner Door
1Place the door on a padded surface, handle side down.
2Use a T-10 Torx bit to remove the left and right inner door
mounting screws.
3Lift the bottom of the door front.
4Push the door front toward the top of the inner door.
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Cavity Component Removal and Installation
REMOVE THE DOOR HANDLE (continued)
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5The door front and inner door are separated. Remove the
door front or the inner door.
Remove the Intermediate Door Glass
1Use pliers to straighten the glass retainer tabs.
2Remove the intermediate door glass from the inner door.
3Remove the gasket if necessary.
INTERMEDIATE DOOR GLASS INSTALLATION
Install the Intermediate Door Glass
1Install the gasket if removed.
2Place the intermediate door glass on the inner door.
3Use pliers to bend the glass retainer tabs over the
intermediate door glass.
Install the Door Front or Inner Door
1Place the upper and lower gaskets onto the inner door.
2Place the door front onto the inner door above the inner
door bracket.
3Lift the bottom of the door front above the lower bracket of
the inner door.
4Pull the door front down over the inner door bracket.
5Use a T-10 Torx bit to install the left and right inner door
mounting screws.
Install the Door
1Holding the door at a 45° angle, insert the door hinges into
the hinge slots.
2Lower the oven door until the oven door stops.
3Pull the door to the open position.
4Rotate the hinge retainer clips on each hinge backward until
the hinge retainer clips stop.
5Test the door.
DOOR SEAL REMOVAL
Remove the Door Seal
1Open the oven door.
2Pull the door seal from the channel around the oven door.
DOOR SEAL INSTALLATION
Install the Door Seal
Insert the door seal in the channel around the oven door.
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Cavity Component Removal and Installation
REMOVE THE DOOR FRONT OR THE INNER DOOR (continued)
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RACK REMOVAL
Remove the Rack
Pull the rack forward out of the unit.
RACK INSTALLATION
Install the Rack
1Insert the rack between the rails of the rack guide.
2Push the rack into the oven.
RACK GUIDE REMOVAL
To remove a rack guide, first remove the racks.
Remove the Rack
Pull the rack forward out of the unit.
Remove the Rack Guide
1Remove the rack guide nut.
2Pull the front of the rack guide toward the center of the
oven.
3Pull the rack guide forward out of the unit.
RACK GUIDE INSTALLATION
Install the Rack Guide
1Insert the rack guide rails into the rear baffle.
2Place the indent in the rack guide over the rack guide stud.
3Install the rack guide nut.
Install the Rack
1Insert the rack between the rails of the rack guide.
2Push the rack into the oven.
FOOD PROBE COVER REMOVAL
To remove the probe cover, first remove the racks and the right-
hand rack guide.
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Remove the Rack
Pull the rack forward out of the unit.
Remove the Rack Guide
1Remove the rack guide nut.
2Pull the front of the rack guide toward the center of the
oven.
3Pull the rack guide forward out of the unit.
Remove the Food Probe Cover
1Lift the food probe cover.
2Use an 11 mm socket to remove the food probe cover nut.
3Remove the food probe cover, nut, and food probe cover
seal from the unit.
FOOD PROBE COVER INSTALLATION
Install the Food Probe Cover
1Place the food probe seal onto the food probe cover.
2Place the food probe cover over the food probe switch
threads.
3Use an 11 mm socket to install the food probe nut.
Install the Rack Guide
1Insert the rack guide rails into the rear baffle.
2Place the indent in the rack guide over the rack guide stud.
3Install the rack guide nut.
Install the Rack
1Insert the rack between the rails of the rack guide.
2Push the rack into the oven.
HALOGEN LIGHT BULB REMOVAL
WARNING
Turn off the power to the product before starting this
procedure.
To remove the halogen light bulb, first remove the racks and the
left rack guide.
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Remove the Rack
Pull the rack forward out of the unit.
Remove the Rack Guide
1Remove the rack guide nut.
2Pull the front of the rack guide toward the center of the
oven.
3Pull the rack guide forward out of the unit.
Remove the Halogen Light Bulb
1Use a T-20 Torx bit to remove the screws from the oven light
frame assembly.
2Remove the oven light frame assembly.
3Remove the oven light safety glass.
4Remove the oven light seal if required.
5Remove the halogen light bulb.
HALOGEN LIGHT BULB INSTALLATION
Install the Halogen Light Bulb
TIP: Use a cloth to install the halogen light bulb. Oil from
fingers shortens the life of the halogen light bulb.
1Insert the halogen light bulb into the socket.
2Install the oven light seal into the oven light frame assembly
if it was removed.
3Place the oven light safety glass onto the oven light seal.
4Place the oven light safety glass, oven light seal, and oven
light frame assembly over the light housing.
5Use a T-20 Torx bit to install the screws into the oven light
housing.
Install the Rack Guide
1Insert the rack guide rails into the rear baffle.
2Place the indent in the rack guide over the rack guide stud.
3Install the rack guide nut.
Install the Rack
1Insert the rack between the rails of the rack guide.
2Push the rack into the oven.
REAR BAFFLE REMOVAL
To remove the rear baffle, first remove the racks and rack
guides.
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