Service Manual
for the turbochef residential single and double wall ovens
Accelerating the World of Cooking TM
Page
For further information, call 866.447.3783 or +1
PLEASE CAREFULLY READ THIS MANUAL AND RETAIN IT FOR FUTURE REFERENCE
Table Of Contents
Safety Instructions
Section 1 - Specifications and Installation
Section 2 - Oven Controls and Cooking - The Speedcook Oven
Section 4 - Info Mode
Section 5 - Oven Systems
Section 6 - Troubleshooting
Page
Appendix - Replacing Oven Components
Section 7 - Schematics
READ ALL INSTRUCTIONS BEFORE USING
Safety Precautions
SAFETY INSTRUCTIONS
To Reduce the Risk of Fire in the Cook Cavity
ii SAFETY INSTRUCTIONS
Power Connections
Self-Cleaning Oven Guidelines
RF Interference Considerations
iii SAFETY INSTRUCTIONS
iv SAFTEY INSTRUCTIONS
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Section Specifications and Installation
Page
Catalytic Converter
Electrical Specifications
1.1 SPECIFICATIONS AND INSTALLATION
Theory of Operation
Dimensions - Double Wall Oven
Dimensions - Single Wall Oven
1.2 SPECIFICATIONS AND INSTALLATION
Installation
Installation Safety Instructions
1.3 SPECIFICATIONS AND INSTALLATION
Single Wall Oven Under Counter
1.4 SPECIFICATIONS AND INSTALLATION
Figure 1.2 Cabinet Dimensions and Specifications, Double Wall Oven
Wall Installation
1.5 SPECIFICATIONS AND INSTALLATION
Double Wall Oven Cabinet Dimensions
Single Wall Oven Cabinet Dimensions
Installing the Oven
1.6 SPECIFICATIONS AND INSTALLATION
Section Oven Controls and Cooking The Speedcook Oven
Page
11. Cancel Key
1. Analog Clock and Timer
3. Set Timer Knob
8. Oven Light Switch
Air-Crisp
Cook Modes
2.2 OVEN CONTROLS AND COOKING - THE SPEEDCOOK OVEN
Broil
Cooking a Recently Prepared Dish
Favorites Cooking
Roast
Toast
2.4 OVEN CONTROLS AND COOKING - THE SPEEDCOOK OVEN
Using the Convection Bake Function
Using the Defrost Function
Using the Microwave Function
0355
Mode 1 Oven Off
Mode 2 Select a Food Item
Basic Cooking
Mode 6 Cooking
Mode 3 Confirm Settings
Mode 4 Preheat
Mode 5 Ready to Cook
Mode 8 100% Complete
Mode 9 Remove Food from Oven
2.7 OVEN CONTROLS AND COOKING - THE SPEEDCOOK OVEN
0355
Adjusting a Recipe’s Cook Time
Adjusting a Cook Temperature
The Advanced Cook Mode
0400
Saving to Favorites
2.9 OVEN CONTROLS AND COOKING - THE SPEEDCOOK OVEN
0355
Deleting a Dish from Favorites
Reheat Setting
Self-Clean Mode - Speedcook Oven
Renaming a Dish in Favorites
Lower Oven Double Wall Oven Only
Section Oven Controls and Cooking
Page
7. Oven Light Switch
2. Oven Mode Dial
3. Temperature Dial
4. Set Timer Knob
Convection Bake
Warm Setting
Proof Setting
3.2 OVEN CONTROLS AND COOKING - THE BOTTOM OVEN
Basic Cooking
The Sabbath Mode
3.3 OVEN CONTROLS AND COOKING - THE BOTTOM OVEN
PreheatingTimer
3.4 OVEN CONTROLS AND COOKING - THE BOTTOM OVEN
Self-Clean Mode
Section 4 Info Mode
Page
Overview of the Info Mode
Adjusting Oven Sounds
INFO MODE
4.2 INFO MODE
Adjusting Display Settings
Adjusting the Oven’s Units & Measurements
Accessing Help Topics and General Cooking Information
4.3 INFO MODE
Updating the Oven Software
Backing Up/Restoring Favorites
Oven Configuration
Accessing the Version
Installer Setup
4.4 INFO MODE
Section 5 Oven Systems
Page
Blower Motor Bottom
Heater Assembly
Stirrer Motor and Assembly
Convection System Speedcook Oven
5.2 OVEN SYSTEMS
Convection System - Lower Oven
Double Wall Oven Only
Speedcook Oven Door
Door Skin Replacement
Left Lock Motor Assembly
CAUTION A microwave leakage test MUST be performed! See page
WARNING If the unit fails the microwave
Right Lock Motor Assembly
5.4 OVEN SYSTEMS
oven must be taken out of service immediately until
5.5 OVEN SYSTEMS
Halogen Light Assembly
Removing/Reinstalling the Lower Oven Door
Lower Oven Door Double Wall Oven Only
Doubler Circuit, Voltage
Halogen Bulb Replacement
Microwave System
5.6 OVEN SYSTEMS
5.7 OVEN SYSTEMS
High-Voltage Transformers
Magnetrons
Waveguides
Control Board
Control System
5.8 OVEN SYSTEMS
Clock
EMI Filter
Light Switch, Control Panel
Display, Speedcook Oven
Electrical Compartment Cooling Fans
Magnetron Cooling Fan
Power Supply, 12 VDC
Power Supply, 24 VDC
5.10 OVEN SYSTEMS
Relay - K13 L2 Lower Heating Elements Double Wall Oven Only
Selector Switches
Relay - K9 L2 Speedcook Heating Elements
Relay - K10 Lower Door Lock Gen 1 Oven
Thermostat, Cook Cavity
Temperature Switch Lower Oven
5.12 OVEN SYSTEMS
Solid State Relay - K1 L1 Speedcook
Exhaust Blower
Wiring Harness
Exhaust System
Catalytic Converter
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5.14 OVEN SYSTEMS
Section 6 Troubleshooting
Page
Oven Door Open Gen
Overview of Troubleshooting
Error Screens
6.1 TROUBLESHOOTING
Oven Door Open Gen
6.2 TROUBLESHOOTING
Temperature Control Failure
Cooling Fan Failure Gen
Magnetron Failure Troubleshooting
6.3 TROUBLESHOOTING
Magnetron Failure
Blower Failure
Control System
Component Testing and Troubleshooting
6.4 TROUBLESHOOTING
Oven Over Temperature
6.5 TROUBLESHOOTING
Figure 6.3 Temperature-Ohm Chart Celsius
6.6 TROUBLESHOOTING
Light Switch, Control Panel Manual
6.7 TROUBLESHOOTING
Halogen Light System
Cooling System
6.8 TROUBLESHOOTING
Air Impingement System
6.9 TROUBLESHOOTING
6.10 TROUBLESHOOTING
Microwave System
CAUTION Voltage on terminals could cause injury. Proceed with caution
Testing a Magnetron for an Open/Shorted Filament
6.11 TROUBLESHOOTING
Heating System, Speedcook Oven
Testing a High-Voltage Transformer
6.12 TROUBLESHOOTING
Testing Relay 14 Pre-Heat Operation Gen
6.13 TROUBLESHOOTING
Heating System, Lower Oven
Testing for Control Voltage to the K8 Relay Gen
Testing for Control Voltage to the K12 SSR
6.14 TROUBLESHOOTING
Lower Oven Heating Element Specifications
Testing for Control Voltage to the K11 SSR
Testing for a K13 Relay that is Stuck Open
6.15 TROUBLESHOOTING
Testing for a K11 SSR that is Stuck Open
Testing for a K12 SSR that is Stuck Open
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6.16 TROUBLESHOOTING
Section Oven Schematics
Page
I/O BOARD CONNECTORS
OVEN SCHEMATICS
TDO Upper Oven
Generation
DOOR LIGHT SWITCH
7.2 OVEN SCHEMATICS
TDO Bottom Oven Generation
ASSEMBLY
RELAY BOARD - REV D
TDO2 Upper Oven Generation
OVEN SCHEMATICS
01- MANUAL RESET
RELAY BOARD - REV D
7.4 OVEN SCHEMATICS
TDO2 Bottom Oven Generation
I/O CONTROL BOARD
OVEN SCHEMATICS
TSO Oven Single Wall Oven
7.6 OVEN SCHEMATICS
RWD/RWS GEN 2 CONTROL BOARD Pin-out descriptions
25 2
Monitor
RWD/RWS GEN 2 RELAY BOARD Pin-out descriptions
Upper Door Light
Lower Door Light
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7.8 OVEN SCHEMATICS
Appendix Replacing Oven Components
Page
A.1 APPENDIX - REPLACING OVEN COMPONENTS
Comprehensive Table of Oven Components
A.2 APPENDIX - REPLACING OVEN COMPONENTS
Part Details
Locate the Part Here
A.3 APPENDIX - REPLACING OVEN COMPONENTS
Part Details
Locate the Part Here
A.14, A.16, A.22, A.28
A.4 APPENDIX - REPLACING OVEN COMPONENTS
Part Details
Locate the Part Here
A.8, A.16, A.17, A.18
A.5 APPENDIX - REPLACING OVEN COMPONENTS
Part Details
Locate the Part Here
Component and Assembly Location, DWO Gen 1 and Gen
A.6 APPENDIX - REPLACING OVEN COMPONENTS
Removing the Oven
Hardware Part Numbers
APPENDIX - REPLACING OVEN COMPONENTS
Item Description
Hardware Description
Component and Assembly Location, SWO
A.8 APPENDIX - REPLACING OVEN COMPONENTS
Removing the Oven
APPENDIX - REPLACING OVEN COMPONENTS
Front Trim, SWO Oven, Speedcook, SWO Air Switch
Door Skin, ReplacementBlower, Exhaust Door, Speedcook Oven
Figure A.2 Component and Assembly Location, SWO
Front Trim Assembly Detail
Front Trim Assembly Removal
A.10 APPENDIX - REPLACING OVEN COMPONENTS
Hardware Description
A.11
APPENDIX - REPLACING OVEN COMPONENTS
Item Description
A.12 APPENDIX - REPLACING OVEN COMPONENTS
Control Housing Detail
Upper Electrical Compartment, DWO Gen
Differentiating Between DWO Gen 1 and DWO Gen
A.13 APPENDIX - REPLACING OVEN COMPONENTS
Hardware Part Numbers
A.14 APPENDIX - REPLACING OVEN COMPONENTS
Item Description
Hardware Description
A.15 APPENDIX - REPLACING OVEN COMPONENTS
Differentiating Between DWO Gen 1 and DWO Gen
Upper Electrical Compartment, DWO Gen 2 and SWO
A.16 APPENDIX - REPLACING OVEN COMPONENTS
Harness, Power, Motor Controller
Hardware Description
A.17
APPENDIX - REPLACING OVEN COMPONENTS
Item Description
A.18 APPENDIX - REPLACING OVEN COMPONENTS
Controls Assembly Detail, DWO Gen 1, DWO Gen 2, and SWO
APPENDIX - REPLACING OVEN COMPONENTS
A.19
A.20 APPENDIX - REPLACING OVEN COMPONENTS
Mag Air Diverter Assembly Detail, DWO Gen 1, DWO Gen 2, and SWO
A.21 APPENDIX - REPLACING OVEN COMPONENTS
Relay and Relay/Power Assembly Detail, DWO Gen 1, DWO Gen 2, and SWO
Lower Electrical Compartment Detail, DWO Gen 1 and DWO Gen
A.22 APPENDIX - REPLACING OVEN COMPONENTS
Differentiating Between DWO Gen 1 and DWO Gen
Relay, K11
A.23
APPENDIX - REPLACING OVEN COMPONENTS
Figure A.20 Bracket, Relay Attachment Detail, Gen
A.24 APPENDIX - REPLACING OVEN COMPONENTS
Speedcook Oven Cavity Component Detail, DWO Gen 1, DWO Gen 2, and SWO
A.25
COMPONENTS
APPENDIX - REPLACING OVEN
Thermostat, 270F, Open on Rise DWO Only
A.26 APPENDIX - REPLACING OVEN COMPONENTS
Cover, Blower Motors Blower Motor, Upper Catalytic Converter
Heater, Upper OvenCover, Motor End
A.27
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APPENDIX - REPLACING OVEN COMPONENTS
A.28 APPENDIX - REPLACING OVEN COMPONENTS
Lower Oven Cavity Component Detail, DWO Gen 1 and DWO Gen
A.29 APPENDIX - REPLACING OVEN COMPONENTS
Separator, Convection Fan
Lamp, Halogen, Lower Oven
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A.30 APPENDIX - REPLACING OVEN COMPONENTS
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Accelerating the World of CookingTM
For service or information
866.447.3783
+1 214.379.6000 or Your Authorized Distributor