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Thermador Manuals
Convection Oven
CT127N
Service manual
Thermador CT127N Service Manual
27" & 30" convection thermal ovens
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Table Of Contents
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
General
Data Plate Location
Data Plate Information
Component Locations
Safety Practices
Unpacking the Oven
Removing the Shipping Carton
Parts Supplied with the Oven
Parts and Materials You will Need
Servicing the Components
Introduction
The Oven Component Locations
Accessing the Components
Removing the Oven
Reinstalling the Oven
Removing an Oven Door
Removing the Control and Plenum Covers
Replacing the Air Interlocks Switch
Replacing the Blower Motor
Replacing the Blower Motor Thermostat
Replacing the Control Panel Glass
Replacing the Light Control Switch
Replacing the Control Board Assembly
The Relay Board
The Control Board
The Motorized Oven Door Latch
Replacing the Lower Motorized Oven Door Latch
Replacing the Upper Motorized Oven Door Latch
Replacing an Oven Light Switch
Replacing a High Temperature Cutout Switch
Replacing an Oven Light Assembly
Replacing an Oven Temperature Sensor
Replacing a Broil Element
Replacing a Bake Element
Replacing a Convection Motor
Replacing the Deflector Bracket
Replacing the Oven Door Glass and Handle
Replacing the Inner Oven Door Glass
Replacing the Outer Oven Door Glass
Replacing the Oven Liner
Troubleshooting
Theory of Operation
Error Codes for Ovens with New Dreefs Control
Error Codes for Ovens with Earlier Dreefs Control
Testing the Components
The Motorized Oven Door Latches
The Bake Element
Bake Circuit Check
The Broil Element
Broil Circuit Check
Clean Circuit Check
Calibrating the Oven Temperature Sensor
Ovens with the New Dreef's Control Board
Converting to the New Dreef's Control Board
Oven Control Logic Table
Electronic Control Board Circuit Table
Current Flow
Upper/Lower Oven Brake
Timed Bake
Convection Bake
Upper/Lower Oven Broil
Upper Oven Clean
Lower Oven Clean
Critical to Operation
Schematic Diagram
Wiring Diagram
Wiring Harness Connections
Operation
Oven Functions
Front Panels Using Latest Dreefs Control
Front Panels Using Earlier Dreefs Control
Cooking Modes
Window Displays
Cooking Mode/Oven Selector Window
Selector Knob Positions
Setting the Clock
To Set the Time of Day Clock
To Reset the Time of Day Clock
Definition of Word Display
Setting the Minute Timer
Setting the Oven
Bake and Convection Bake
To Set for Bake or Convection Bake
Broil
To Set for Broil
Timed Bake and Timed Convection Bake
To Start the Oven Now
To Cancel the Timed Bake Cycle
To Start the Oven Later
To Check Cook or Stop Time
To Change a Timed Program
At the End of any Timed Bake Cycle
Self-Cleaning the Oven
Before Setting the Oven to Clean
At the Start of the Clean Cycle
At the End of the Cleaninjg Cycle
To Start Self-Cleaning Now
To Start Self-Cleaning Later to Cancel the Clean Cycle
Calibrating the Thermostat
Installation
Venting the Oven
Preparing a 27" Oven
Outdoor Venting
Top Venting
Rear Venting
Preparing a 30" Oven
Installing the Indoor Vent Cover
The Vent Ducting
Ducting Requirements
Preparing the Cabinet
Installing a 27" Oven
Cabinet Cutout - Wall-Mounted - New Construction
Cabinet Cutout - Wall-Mounted - Existing Construction
Cabinet Cutout - Under-The-Counter - New Construction
Installing a 30" Oven
Wall-Mounted Units
Under-The-Counter Units
Under-The-Counter Installation with Thermador Cooktops
Electrical Requirements
Installing the Oven
Indoor-Vented Ovens
Outdoor-Vented Ovens
Removing the Oven Door
Mounting the Bottom Trims
Installing the Bottom Trims
Installing the Botton Trim Extension
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General
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Installation
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This manual is also suitable for:
Ct227n
Ct130
Ct230
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