Accelerating the World of Cooking
 For further information call
 Important Safety Information Please Read First
 Table of Contents
 Oven Door
Microwave System
 IR Element and Catalytic Converter
Schematics and Schematic Components
Service Parts and Illustrations
Convection Circuit
 Important Safety Instructions
 Grounding Instructions
 Installation, Specifications, and Maintenance
 Construction
Dimensions
Standard Features
Power Supply North America
 Built-In Installation Figure
Power Supply Europe, Asia-Pacific
Power Supply Latin America
Power Supply South Korea
 Installation Near Open Heat Source Figure
 Stacking
Setup
Initial Power-up
Oven Restraint Kit TC3-0242 KIT
 Clean Lower Access Panel Area
Remove the Lower Access Panel
Remove and Clean the Cooking Surface
Clean Oven Interior
 Theory of Operation
 Chapter
 Actual Temperature, IR Element TIR
Set Temperature, Cook Cavity Ccsp
Set Temperature, IR Element Irsp and Irsi
Actual Temperature, Cook Cavity TCC
 Self-Test Stest
Fault Code
Keypad
Display
 Fault Codes
 F4 Door Monitor Defective
F2 Cook Temperature Low
F1 Blower Running Status Bad
F3 Magnetron Current Low
 F8 Heat Low
F5 Magnetron Over Temperature
Thermocouple temperature is below the indicated limit
F7 Thermocouple Open
 Control System
 Mech
 K2 Mechanical Relay
VDC Power Supply
Interlock Switches
K1 Mechanical Relay
 Heater Test Screen
Faults Screen
Blower Speed Screen
Self-Test Function Screen
 Cooks Screen
Diagnostic Display Screen
Electronic Compartment Temperature Screen
Changing the Cook Chamber Temperature
 Altering a Recipe
 Time Screen
Snooze Mode
Loading a Menu from a Smart Card
Done Screen
 Enter Key Code
Function/Screen
 Smart Card Reader Cable
 If not, correct the voltage supply
Reference page 54 for a schematic of the I/O control board
Board J3 connector Replace I/O control board
Pin connector
 Detailed troubleshooting
VAC is going to the motor controller via pins 2
Troubleshooting
Refer to page 50 for motor controller troubleshooting
 If high-limit is not tripped, follow the instructions below
 Microwave System
 Voltage Doubler Circuit Description
 Microwave System
 Filament and High Voltage Terminals ORG
 F3 Fuse
Magnetron
High-Voltage Transformers
Filament Transformers
 Wave Guide Cover Replacement
 Remove the wave guide cover. See Wave Guide
Wiring the High-Voltage Transformers
NGC-3036Kit, Wave Guide Cover Includes Item 31 and sealant
Screws, #8, SST NGC-1047Support, Frame
 Procedure for Measuring RF Leakage
Wiring the Filament Transformers
 How to Check a Diode
Testing the High-Voltage Diode
 How to Check a High-Voltage or Filament Transformer
How to Check a Capacitor
 Back and Enter keys, enter the code 9-4-2-8 and press Enter
Magnetron
Components
Remove the top and right side covers
 Unplug the oven and replace relay if necessary
HV capacitor shorted or failing follow troubleshooting on
Voltage Transformers
Mgtron soft key. Voltage present should be 200 +/- 10%
 Energizing the Microwave System
Troubleshooting see F4 Monitor
Primary and secondary, the control would have recorded
Occurrence. See page 25 as well as Oven Door for
 Oven Door
 Oven Door
 Oven Burn-In Procedure
Critical Adjustment Notes
31 for proper procedure
 Primary and Secondary Interlock Switch Adjustments and Parts
 PPHD, Cres
Assembly Notes
 5963
 Adjusting the Primary Interlock Switch NEW Switch Setup
 DIA
80 81
 98 AR
101
 Refer to Figures 35
Critical Adjustment Notes Figure
 Door does not close freely Remove obstructions or readjust
Interlock switch status
Actuator and toggle OK Check adjustment and wiring on
New setup for the proper adjustment procedure
 Convection Circuit
 Convection Motor
Main Convection Heater
Motor Controller Bmsc
High Limit Thermostat
 106
109 110 113 111
114 105 104 103 102 107
108
 Readjust. See pages
Replace motor. For access to motor shaft, remove top panel
 Thermostat tripped Reset and determine why the thermostat
Cook Door Open Message Verify which switch is not actuating
 Plug on schematics pages 55-63 while incrementing blower
Verify motor spins freely
 Motor spins freely Verify motor windings see table below
Disconnect control wiring
 Converter
 Removing the IR Element
IR Element
Catalytic Converter
 122
Removing and Installing the Catalytic Converter
Installing a New IR Element
119
 Schematics and Schematic Components
 Low Voltage Components
Wire Harness Replacement P/Ns
Line Voltage Components
 Board Schematic
 Schematic Tornado NGC
 MAG
 Schematic Tornado Ngcew
 Schematic Tornado Ngced
 Schematic Brazil NGC
 Service Parts and Illustrations
 Relay
Control System
 Service Parts and Illustrations
 Monitor Circuit Shown in Failsafe State
Microwave System
 Wave Guide/Wave Guide Cover Parts
Microwave System Parts
 SBK
Oven Door
 Door Switch Parts
Primary and Secondary Interlock Switch Parts
 Primary Safety Switch Parts
Monitor Safety Switch Parts
 80 81 Secondary and Monitor Safety Switch Parts
 Oven Door Parts
100
 Convection Circuit
Convection Circuit Block Diagram
 114 105 104 103 102 107 108 106
109 110 113 111 112 Convection Circuit Parts
 122 119
Wire Harness Replacement P/N
123 Old Switch Setup 126
IR Element and Catalytic Converter
 135 137 138 133 134
129 132 144 139 141
 150 Screw, #8-32 x 3/8, Pphd NGC-2011-8
147 150 162 157 159
153 155 156 151 152
 Comprehensive Part List
 Comprehensive Part List
 Comprehensive Part List
 Relay, K7, Magnetron Fan, Standard Europe, Asia-Pacific MPh
 Smart Card, Programmed call TurboChef for Part Numbers
 800.90T U R B O or