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