Manuals / Turbo Chef Technologies / Kitchen Appliance / Oven

Turbo Chef Technologies 3240 Troubleshooting, Schematics, Appendix A - Replacing Oven Components

Models: 3240

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Troubleshooting

The Blower System	25
Blower Motor	25
Blower Motor Speed Controller (BMSC)	25
The Burner System	26
Air Pressure Switch	26
Burner Transformer	26
Combustion Blower	27
Modulating Gas Valve	27
Ignition Module	27

Troubleshooting

Overview of Troubleshooting	29
Fault Code Descriptions	29
Fault Code Troubleshooting	31
F1: Blower Fault	31
F2: Low Cook Temp	32
F3: No Flame	34
F5: CC Over Temp	36
F6: EC Over Temp	37
F7: RTD Fault	38
F8: High Limit Tripped	38
F9: Belt Fault	39
F10: Air Pressure Switch Fault	40
Non-Fault Code Troubleshooting	41
Cooling System Issue	41
Food Not Cooking Properly	42
No Display	43
No Keypad Input	43

Schematics

Schematic	45
Pin-out	46
Controller Codes	47

Appendix A - Replacing Oven Components

Comprehensive Part List	A-1 - A-4
Replacing Items - No Panel Removal Required	A-6
Replacing Items - Right End Bell	A-8
Replacing Items - Left End Bell	A-12
Replacing Items - Burner Compartment Cover	A-14

TABLE OF CONTENTS

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Turbo Chef Technologies 3240 manual Troubleshooting, Schematics, Appendix A - Replacing Oven Components

Contents

F O R T H E T U R B O C H E F 3240 H I G H H C O N V EYO R OV E N Service ManualAccelerating the World of Cooking TM Page For further information, call 800.90TURBO or +1PLEASE CAREFULLY READ THIS MANUAL AND RETAIN IT FOR FUTURE REFERENCE Standard Oven Operation Safety InstructionsSpecifications and Startup CleaningOven Systems Oven ModesSchematics TroubleshootingAppendix A - Replacing Oven Components i S A F ET Y INSTRUC TIONS Important Safety Information - Please Read FirstGeneral Safety Information Preventing Oven DamageS A F ET Y INSTRUC TIONS Power Cord ReplacementReducing Fire Risk Grounding Instructionsi i i S A F ET Y INSTRUC TIONS This page intentionally left blankSpecifications and Startup Page Overview Oven Construction DimensionsPower Specifications CertificationsReading the Incoming Gas Pressure Static Gas SetupReading the Gas Pressure at 100% Flame 4 S P E C I F I CATIONS AND STARTUP Reading the Gas Pressure at Minimum FlameReading the Operating Gas Pressure Confirming Proper Closure of all TapsCleaning Page Daily Cleaning Procedures Cleaning the OvenSupplies and Equipment Deep Cleaning Procedures Step 10 Remove and Clean the Right and Left Lower Air Diverters Step 7 Remove and Clean the Conveyor requires TWO peopleStep 8 Remove and Clean the Lower End Panels Step 9 Remove and Clean the Upper Nozzle Plate8 C L E A N I N G Step 12 Clean the Oven InteriorStep 13 Reinstall the Oven Components Step 14 Clean the Oven ExteriorStandard Oven Operation Page 2. Soft Keys Oven Controls1. Display 4. Back/Off KeyCooking a Product Mode 6 Cooking Mode 3 LightingMode 4 Warming Mode 5 SoakingL1 L2 L3 Editing a Cooking ProfileR1 R2 R3 The up key increases bake time in 5-second increments 1 4 S TA N DARD OVEN OPERATION This page intentionally left blankOven Modes Page Smart Card Screen The Config ModeUpdating the Firmware Accessing the Setup Mode Setup ModeAccessing the Fault Count Screen Changing the Display TemperatureChanging the Display Language Test ModeInfo Screen Manipulating the Top and Bottom Accessing the Burner Control ScreenViewing the Status Indicators Accessing the Belt Control ScreenEntering a New Serial Number Clearing the Fault Counts Erasing all Oven SettingsInitiating a Burn-In Test Viewing the Serial NumberOven Systems Page Testing Procedure The Control System4. If the coil resistance is incorrect, replace the and the contacts open. When the contacts openThe K4 relay uses the normally closed contacts The Conveyor System 2 4 OVEN SYSTEMS The Blower System Figure 32 Burner Transformer Wires The Burner System5. Check for 24 VAC leaving the ignition module see Figure 35, page connect flame signal ground wire terminal 2. Remove the flame signal ground wire fromthe flame signal ground wire end of the flame signal ground wireTroubleshooting Page Fault Code Descriptions Overview of Troubleshooting3 0 T RO U B L E S H O OT I N G Troubleshooting F1BLOWER FAULT Blower Failure Fault Code TroubleshootingTroubleshoot the blowers page Troubleshooting F2 LOW COOK TEMP Low Temp During Cookcorrectly installed pages page 24 for resistance/ temperature chartT RO U B L E S H O OT I N G This page intentionally left blankconnection Troubleshooting F3 NO FLAME Flameoutwhen unit is sparking? Reset the gas pressure pageInspect and if needed, replace the burner assembly page A-14 switch closed?Check the wiring adjusted correctlyReplace the I/O control board page A-8 Troubleshooting F5 CC OVER TEMP CC Over TempClean the air filters page Troubleshooting F6 EC OVER TEMP EC Over TempTroubleshooting F8 HIGH LIMIT TRIPPED High Limit Trip Troubleshooting F7 RTD FAULT RTD FailureReplace needed parts page A-8 Troubleshooting F9 BELT FAULT Total Belt Run FailureCorrect wiring page 45. NO Check that the CMSCthermostat closed? Troubleshooting F10 Air Pressure Switch FaultAre all the contacts former have line voltageTroubleshooting Cooling System Issue Non-Fault Code TroubleshootingTroubleshooting Food Not Cooking Properly Is the 24 VDC power Troubleshooting No Display - Screen is BlankDoes the keypad beep when a Is wiring from the4 4 T RO U B L E S H O OT I N G This page intentionally left blankSchematics Page S CH E MATI CS 46 S C H E MATI C S SCHE MAT ICS Page Appendix A - Replacing Oven Components Page A APPENDIX A - REPLACING OVEN COMPONENTS Replacing Oven ComponentsGas Pipe, 10” Single or Lower Oven Only A - 2 APPENDIX A - REPLACING OVEN COMPONENTSConveyor Belt Kit, 70/30 Split, Right to Left Gas Pipe, 8” Between Stacked Ovens OnlyFirst Open or Remove This Right End BellA - 4 APPENDIX A - REPLACING OVEN COMPONENTS APPENDIX A - REPLACING OVEN COMPONENTS This page intentionally left blankReplacing Items - No Panel Removal Required Hardware Part A APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware DescriptionReplacing Items - Right End Bell Hardware Part A APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware DescriptionA - 1 0 APPENDIX A - REPLACING OVEN COMPONENTS Gear Drive Assembly DetailHardware Part APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware DescriptionReplacing Items - Left End Bell Hardware Part APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware DescriptionReplacing Items - Burner Compartment Cover Burner Assembly DetailReplacing Items - Multiple Panel Removal Required Page Page Accelerating the World of Cooking TM For service or informationCustomer Service at 800.90T U R B O or +1 214-379-6000 or Your Authorized Distributor