Contents
Accelerating the World of Cooking
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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
Critical Adjustment Notes
31 for proper procedure
Oven Burn-In 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
IR Element
Catalytic Converter
Removing the IR Element
122
Removing and Installing the Catalytic Converter
Installing a New IR Element
119
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
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
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