Accelerating the World of Cooking
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Important Safety Information Please Read First
Table of Contents
Oven Door
Microwave System
Service Parts and Illustrations
Schematics and Schematic Components
Convection Circuit
IR Element and Catalytic Converter
Important Safety Instructions
Grounding Instructions
Installation, Specifications, and Maintenance
Standard Features
Dimensions
Power Supply North America
Construction
Power Supply Latin America
Power Supply Europe, Asia-Pacific
Power Supply South Korea
Built-In Installation Figure
Installation Near Open Heat Source Figure
Initial Power-up
Setup
Oven Restraint Kit TC3-0242 KIT
Stacking
Remove and Clean the Cooking Surface
Remove the Lower Access Panel
Clean Oven Interior
Clean Lower Access Panel Area
Theory of Operation
Chapter
Set Temperature, IR Element Irsp and Irsi
Set Temperature, Cook Cavity Ccsp
Actual Temperature, Cook Cavity TCC
Actual Temperature, IR Element TIR
Keypad
Fault Code
Display
Self-Test Stest
Fault Codes
F1 Blower Running Status Bad
F2 Cook Temperature Low
F3 Magnetron Current Low
F4 Door Monitor Defective
Thermocouple temperature is below the indicated limit
F5 Magnetron Over Temperature
F7 Thermocouple Open
F8 Heat Low
Control System
Mech
Interlock Switches
VDC Power Supply
K1 Mechanical Relay
K2 Mechanical Relay
Blower Speed Screen
Faults Screen
Self-Test Function Screen
Heater Test Screen
Electronic Compartment Temperature Screen
Diagnostic Display Screen
Changing the Cook Chamber Temperature
Cooks Screen
Altering a Recipe
Loading a Menu from a Smart Card
Snooze Mode
Done Screen
Time Screen
Enter Key Code
Function/Screen
Smart Card Reader Cable
Board J3 connector Replace I/O control board
Reference page 54 for a schematic of the I/O control board
Pin connector
If not, correct the voltage supply
Troubleshooting
VAC is going to the motor controller via pins 2
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
High-Voltage Transformers
Magnetron
Filament Transformers
F3 Fuse
Wave Guide Cover Replacement
NGC-3036Kit, Wave Guide Cover Includes Item 31 and sealant
Wiring the High-Voltage Transformers
Screws, #8, SST NGC-1047Support, Frame
Remove the wave guide cover. See Wave Guide
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
Components
Magnetron
Remove the top and right side covers
Back and Enter keys, enter the code 9-4-2-8 and press Enter
Voltage Transformers
HV capacitor shorted or failing follow troubleshooting on
Mgtron soft key. Voltage present should be 200 +/- 10%
Unplug the oven and replace relay if necessary
Primary and secondary, the control would have recorded
Troubleshooting see F4 Monitor
Occurrence. See page 25 as well as Oven Door for
Energizing the Microwave System
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
Actuator and toggle OK Check adjustment and wiring on
Interlock switch status
New setup for the proper adjustment procedure
Door does not close freely Remove obstructions or readjust
Convection Circuit
Motor Controller Bmsc
Main Convection Heater
High Limit Thermostat
Convection Motor
114 105 104 103 102 107
109 110 113 111
108
106
Thermostat tripped Reset and determine why the thermostat
Replace motor. For access to motor shaft, remove top panel
Cook Door Open Message Verify which switch is not actuating
Readjust. See pages
Motor spins freely Verify motor windings see table below
Verify motor spins freely
Disconnect control wiring
Plug on schematics pages 55-63 while incrementing blower
Converter
Removing the IR Element
IR Element
Catalytic Converter
Installing a New IR Element
Removing and Installing the Catalytic Converter
119
122
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
123 Old Switch Setup 126
Wire Harness Replacement P/N
IR Element and Catalytic Converter
122 119
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