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