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