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Turbo Chef Technologies NGC-1007 service manual Theory of Operation

Models: NGC-1007

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Theory of Operation

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Turbo Chef Technologies NGC-1007 service manual Theory of Operation

Contents

Accelerating the World of Cooking For further information call Important Safety Information Please Read First Table of Contents Oven Door Microwave SystemIR Element and Catalytic Converter Schematics and Schematic ComponentsService Parts and Illustrations Convection CircuitImportant Safety Instructions Grounding Instructions Installation, Specifications, and Maintenance Construction DimensionsStandard Features Power Supply North AmericaBuilt-In Installation Figure Power Supply Europe, Asia-PacificPower Supply Latin America Power Supply South KoreaInstallation Near Open Heat Source Figure Stacking SetupInitial Power-up Oven Restraint Kit TC3-0242 KITClean Lower Access Panel Area Remove the Lower Access PanelRemove and Clean the Cooking Surface Clean Oven InteriorTheory of Operation Chapter Actual Temperature, IR Element TIR Set Temperature, Cook Cavity CcspSet Temperature, IR Element Irsp and Irsi Actual Temperature, Cook Cavity TCCSelf-Test Stest Fault CodeKeypad DisplayFault Codes F4 Door Monitor Defective F2 Cook Temperature LowF1 Blower Running Status Bad F3 Magnetron Current LowF8 Heat Low F5 Magnetron Over TemperatureThermocouple temperature is below the indicated limit F7 Thermocouple OpenControl System Mech K2 Mechanical Relay VDC Power SupplyInterlock Switches K1 Mechanical RelayHeater Test Screen Faults ScreenBlower Speed Screen Self-Test Function ScreenCooks Screen Diagnostic Display ScreenElectronic Compartment Temperature Screen Changing the Cook Chamber TemperatureAltering a Recipe Time Screen Snooze ModeLoading a Menu from a Smart Card Done ScreenEnter Key Code Function/ScreenSmart Card Reader Cable If not, correct the voltage supply Reference page 54 for a schematic of the I/O control boardBoard J3 connector Replace I/O control board Pin connectorDetailed troubleshooting VAC is going to the motor controller via pins 2Troubleshooting Refer to page 50 for motor controller troubleshootingIf 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 MagnetronHigh-Voltage Transformers Filament TransformersWave Guide Cover Replacement Remove the wave guide cover. See Wave Guide Wiring the High-Voltage TransformersNGC-3036Kit, Wave Guide Cover Includes Item 31 and sealant Screws, #8, SST NGC-1047Support, FrameProcedure for Measuring RF Leakage Wiring the Filament TransformersHow to Check a Diode Testing the High-Voltage DiodeHow to Check a High-Voltage or Filament Transformer How to Check a CapacitorBack and Enter keys, enter the code 9-4-2-8 and press Enter MagnetronComponents Remove the top and right side coversUnplug the oven and replace relay if necessary HV capacitor shorted or failing follow troubleshooting onVoltage Transformers Mgtron soft key. Voltage present should be 200 +/- 10%Energizing the Microwave System Troubleshooting see F4 MonitorPrimary and secondary, the control would have recorded Occurrence. See page 25 as well as Oven Door forOven Door Oven Door Critical Adjustment Notes 31 for proper procedureOven Burn-In Procedure Primary and Secondary Interlock Switch Adjustments and Parts PPHD, Cres Assembly Notes5963 Adjusting the Primary Interlock Switch NEW Switch Setup DIA 80 8198 AR 101Refer to Figures 35 Critical Adjustment Notes FigureDoor does not close freely Remove obstructions or readjust Interlock switch statusActuator and toggle OK Check adjustment and wiring on New setup for the proper adjustment procedureConvection Circuit Convection Motor Main Convection HeaterMotor Controller Bmsc High Limit Thermostat106 109 110 113 111114 105 104 103 102 107 108Readjust. 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 actuatingPlug on schematics pages 55-63 while incrementing blower Verify motor spins freely† Motor spins freely Verify motor windings see table below Disconnect control wiringConverter IR Element Catalytic ConverterRemoving the IR Element 122 Removing and Installing the Catalytic ConverterInstalling a New IR Element 119Schematics and Schematic Components Wire Harness Replacement P/Ns Line Voltage ComponentsLow Voltage Components Board Schematic Schematic Tornado NGC MAG Schematic Tornado Ngcew Schematic Tornado Ngced Schematic Brazil NGC Service Parts and Illustrations Relay Control SystemService Parts and Illustrations Monitor Circuit Shown in Failsafe State Microwave SystemWave Guide/Wave Guide Cover Parts Microwave System PartsSBK Oven DoorDoor Switch Parts Primary and Secondary Interlock Switch PartsPrimary Safety Switch Parts Monitor Safety Switch Parts80 81 Secondary and Monitor Safety Switch Parts Oven Door Parts 100Convection Circuit Convection Circuit Block Diagram114 105 104 103 102 107 108 106 109 110 113 111 112 Convection Circuit Parts122 119 Wire Harness Replacement P/N123 Old Switch Setup 126 IR Element and Catalytic Converter135 137 138 133 134 129 132 144 139 141147 150 162 157 159 153 155 156 151 152150 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