TurboChef Sota User manual

TM
Service Manual
   i1 ( TM, TM  ,
,  ,  )   
©2009-2017 TurboChef Technologies, Inc.

For further information, call
800.90TURBO
or
+1 214.379.6000

The information contained in this manual is important for the proper installation, use, maintenance,
and repair of this oven. Follow these procedures and instructions to help ensure satisfactory baking
results and years of trouble-free service.
Errors – descriptive, typographic, or pictorial – are subject to correction. Specifications are subject to
change without notice.
Please carefully read this manual and retain it for future reference.

Important Safety Instructions
General Safety Information i
Reducing Fire Risk i
Grounding Instructions ii
Power Cord Replacement ii
Precautions to be Observed Before and During Servicing to Avoid
Possible Exposure to Excessive Microwave Energy ii
RF Interference Considerations iii
Protective Earth (Ground) Symbol iii
Equipotential Bonding Symbol iii
Specifications and Installation
Theory of Operation 1
Touch Screen Features 1
Dimensions 1
Certifications 1
Oven Construction 2
Electrical Specifications 2
Installation 2
Unpacking Instructions 2
Installation Warnings - Read Before Lifting Oven 2
Lifting and Placing the Oven 3
Installation Near Open Heat Source 3
Oven Restraint Kit 4
ChefComm Pro 4
ChefComm Limited 4
Date and Time Prompt 4
Voltage Selection 4
Ventilation 4
Daily Maintenance 5-6
Oven Controls and Cooking (Non-Touch)
Oven Controls 7
Cooking 8
Info, Test, and Edit Mode (Non-Touch)
Overview of the Info Mode 11
Viewing Cook Counter/Time Logs 11
Viewing the Fault Log 11
Viewing the Service Numbers 11
Setting the Language 11
F2 Bypass 12
Resetting the Oven 12
Set Options Screens 12
Network Setup 12
Table of Contents

Info, Test, and Edit Mode (Non-Touch) Continued...
Auto On and Off: Setting the Time 13
Light Ring 13
Catalytic Recondition 13
Test Mode - Testing Oven Parts 14
Status Indicators 14
Turning Diagnostic Mode On/Off 14
Manufacturing Mode 15
Serial Number Edit 15
Changing Temperature Measurement Setting 15
Microwave Leakage Test (How to Use Oven for Testing) 15
Erase/Default Oven Settings 15
Updating the Oven Menu 16
Making a Copy of the Oven Menu 16
Updating the Oven Firmware 17
Menu Structure 17
Overview of the Edit Mode 17
Changing Set Temperatures 17
Edit Recipe Settings 18
Changing Group/Item/Quantity Name 18
Changing Cook Settings 18
Oven Controls and Cooking (Touch)
Oven Controls 19
Menu Cook Mode 20
Manual Cook Mode 23
Info, Test, and Edit Mode (Touch)
Overview of Info Mode 25
Information Screen 25
Counters Screen 25
Options Screen 25
Editing Yes/No 25
Cook More Yes/No 25
Load Menu Yes/No 25
Light Ring Yes/No 26
VAC Yes/No 26
Demo Mode Yes/No 26
Manual Cooking Yes/No 26
Diagnostic Mode Yes/No 26
F2 Bypass Yes/No 26
Settings Screen 26
Temperature 26
Lanuguage 26
WiFi Network 27
Sound Volume 28
Set Date 28
Set Time 28
Auto On Yes/No 28
Auto Off Yes/No 28

Info, Test, and Edit Mode (Touch) Continued...
Service Screen 29
Fault Log 29
Counters and Timers 29
Test Mode 29
Manufacturing 30
Oven Model 31
Serial Number 31
Load Menu from USB or Smart Card 31
Save Menu from USB or Smart Card 32
Firmware Update 32
Overview of Edit Mode 33
Edit Set Temperature 33
Access Edit Items Screen 33
Name a Group 33
Delete a Group 34
Move a Group 35
Item Editing Options 36
Edit Settings 37
Name Item 39
Add from Cookbook 40
Change Group 40
Move Item 41
Delete Item 41
Oven Systems
Convection System 43
Blower Motor (Bottom) 43
Blower Motor (Top) 43
Blower Motor Speed Controller (BMSC) 43
Heater Elements 43
Jetplate (Bottom) 43
Jetplate (Top) 43
Stirrer Motor and Assembly 43
Troubleshooting 43
Oven Door 44
Removing/Reinstalling the Oven Door 44
Adjusting the Oven Door 44
Interlock Switches 45
Adjusting the Primary, Secondary, and Monitor Switches 45
Measuring RF Leakage for Microwave Safety 46
Troubleshooting 46
Microwave System 47
Capacitors 47
Testing a Capacitor 47
Filament Transformers 47
Wiring the Filament Transformers 47
High-Voltage Transformers 48
Wiring the High-Voltage Transformers 48

Oven Systems Continued...
Testing a Filament or High-Voltage Transformer 48
High-Voltage Diodes 48
Testing a High-Voltage Diode 49
Magnetrons 50
Testing a Magnetron for an Open/Shorted Filament 50
Stirrer Motor and Assembly 50
Waveguides 50
Troubleshooting 50
Control System 51
Cooling Fans 51
Display, TFT (For Non-Touch Enabled Ovens) 51
Display (Touch) and UI Control Board (Phoenix) 51
Electrical Compartment Cooling Fan Thermostat 51
Electrical Compartment Thermocouple 51
EMI Filter 51
Ethernet Extension Cable 51
Fuses 52
High-Limit Thermostat 52
I/O Control Board (SAGE) 51
Keypad (For Non-Touch Enabled Ovens) 52
LED Light Ring (Sota only) 52
Magnetron Thermostats 52
Power Supply 52
Relay - K1 Filament 52
Relay - K2 Magnetron Cooling Fans 52
Relay - K3 Stirrer Motor 52
Relay - K6 Voltage 52
Relay - K7 Monitor 53
Relay - K8 Anode 53
RTD 53
Solid State Relay - K4/K5 Heater 53
Speaker 53
USB/Smart Card Reader 53
Voltage Sensor 53
Wire Harness 53
Troubleshooting 53
Filtering System 54
Catalytic Converter 54
Air Filter 54
Vent Catalyst 54
Troubleshooting 54

Troubleshooting
Overview of Troubleshooting 55
Fault Code Descriptions 55
Fault Code Troubleshooting 57
F1 Blower Running Status Bad 57
F2 Cook Temperature Low 58
F3 Magnetron Current Low 59
F4 Door Monitor Defective 60
F5 Magnetron Over Temperature 60
F6 Electrical Compartment Temperature High 61
F7 RTD Open 61
F8 Heat Low 62
F9 Cook Cavity Temperature High 62
F10 Communication Failure (Touch Enabled Ovens Only) 63
F12 Firmware Reboot (Touch Enabled Ovens Only) 63
Non-Fault Code Troubleshooting for Non-Touch Screen Ovens 64
No Keypad Input 64
“Cook Door Open” Message when Door is Closed 64
No Display (Screen is Blank) 65
Food Not Cooking Properly 66
“Read Fail” Message when Loading a Menu 67
“Write Fail” Message when Loading a Menu 67
Menu Settings are Not Present 68
“Defective Media” Message When Oven is Plugged in or Restarted 69
Non-Fault Code Troubleshootong for Touch Enabled Ovens 70
“Cook Door Open” Message when Door is Closed 70
No Display - Screen is Blank 71
Touch Screen is Locked Up or Unresponsive 72
Oven Keeps Cooling Down, will not Warm Up 73
Menu will not Load - Smart Card 73
Menu will not Load - USB 74
Firmware will not Update 75
Food Not Cooking Properly 76
Steam Present Before or After Cooking 77
Speaker Not Beeping After a Cook Cycle 77
Oven Schematic
Non-Touch Ovens 79

Appendix - Replacing Oven Components
Replacing Oven Components A-1
Replacing Items - No Cover Removal Required A-2
Replacing Items - Removing Outer Shell Required A-4
Replacing Items - Removing Outer Shell and Back Cover Required A-12
Replacing Items - Removing Outer Shell and Back Cover Required,
Single Magnetron Sota A-13