Manuals / Turbo Chef Technologies / Kitchen Appliance / Oven

Turbo Chef Technologies 3240 manual Troubleshooting F2 LOW COOK TEMP Low Temp During Cook

Models: 3240

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3 2 T RO U B L E S H O OT I N G

Troubleshooting:

F2: LOW COOK TEMP (Low Temp During Cook)

Restart the oven, access the TEST MODE, and turn on both the top and bottom blowers. Are the status indi- cators at location 6, 7, 8, and 9 present (pages 18-19).

YES

Troubleshoot the blowers (page 31).

Are the nozzles and plenums				Correctly reinstall the
Are the nozzles and plenums			NO	Correctly reinstall the
correctly installed (pages 7-8,			NO	nozzles and plenums.
correctly installed (pages 7-8,				nozzles and plenums.
steps 9-13)?
steps 9-13)?


		YES



	Open the right end bell.

Are the gas valve and RTD

properly connected to the

Fix wiring/connections.

I/O control board (page 45)?

YES

Is the gas line properly

Fix connection.

connected (i.e. no

crimps, breaks, or leaks)?

YES

Is the maximum and low fire gas pressure set correctly

(page 3)?

YES

Is the RTD damaged or defective (page 23)?

YES

Reset maximum and low fire gas pressure (page 3).

Replace the I/O control board (page A-8).

Test the RTD

(page 24 for resistance/ temperature chart).

Page 54

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Turbo Chef Technologies 3240 manual Troubleshooting F2 LOW COOK TEMP Low Temp During Cook, Troubleshoot the blowers page

Contents

Service Manual 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 NAccelerating the World of Cooking TM Page 800.90TURBO or +1 For further information, callPLEASE CAREFULLY READ THIS MANUAL AND RETAIN IT FOR FUTURE REFERENCE Cleaning Safety InstructionsSpecifications and Startup Standard Oven OperationOven Modes Oven SystemsTroubleshooting SchematicsAppendix A - Replacing Oven Components Preventing Oven Damage Important Safety Information - Please Read FirstGeneral Safety Information i S A F ET Y INSTRUC TIONSGrounding Instructions Power Cord ReplacementReducing Fire Risk S A F ET Y INSTRUC TIONSThis page intentionally left blank i i i S A F ET Y INSTRUC TIONSSpecifications and Startup Page Overview Certifications DimensionsPower Specifications Oven ConstructionGas Setup Reading the Incoming Gas Pressure StaticReading the Gas Pressure at 100% Flame Confirming Proper Closure of all Taps Reading the Gas Pressure at Minimum FlameReading the Operating Gas Pressure 4 S P E C I F I CATIONS AND STARTUPCleaning Page Cleaning the Oven Daily Cleaning ProceduresSupplies and Equipment Deep Cleaning Procedures Step 9 Remove and Clean the Upper Nozzle Plate Step 7 Remove and Clean the Conveyor requires TWO peopleStep 8 Remove and Clean the Lower End Panels Step 10 Remove and Clean the Right and Left Lower Air DivertersStep 14 Clean the Oven Exterior Step 12 Clean the Oven InteriorStep 13 Reinstall the Oven Components 8 C L E A N I N GStandard Oven Operation Page 4. Back/Off Key Oven Controls1. Display 2. Soft KeysCooking a Product Mode 5 Soaking Mode 3 LightingMode 4 Warming Mode 6 CookingEditing a Cooking Profile L1 L2 L3R1 R2 R3 The up key increases bake time in 5-second increments This page intentionally left blank 1 4 S TA N DARD OVEN OPERATIONOven Modes Page The Config Mode Smart Card ScreenUpdating the Firmware Changing the Display Temperature Setup ModeAccessing the Fault Count Screen Accessing the Setup ModeTest Mode Changing the Display LanguageInfo Screen Accessing the Belt Control Screen Accessing the Burner Control ScreenViewing the Status Indicators Manipulating the Top and BottomEntering a New Serial Number Viewing the Serial Number Erasing all Oven SettingsInitiating a Burn-In Test Clearing the Fault CountsOven Systems Page The Control System Testing Procedureand the contacts open. When the contacts open 4. If the coil resistance is incorrect, replace theThe K4 relay uses the normally closed contacts The Conveyor System 2 4 OVEN SYSTEMS The Blower System The Burner System Figure 32 Burner Transformer Wires5. Check for 24 VAC leaving the ignition module see Figure 35, page end of the flame signal ground wire 2. Remove the flame signal ground wire fromthe flame signal ground wire connect flame signal ground wire terminalTroubleshooting Page Overview of Troubleshooting Fault Code Descriptions3 0 T RO U B L E S H O OT I N G Fault Code Troubleshooting Troubleshooting F1BLOWER FAULT Blower Failurepage 24 for resistance/ temperature chart Troubleshooting F2 LOW COOK TEMP Low Temp During Cookcorrectly installed pages Troubleshoot the blowers pageThis page intentionally left blank T RO U B L E S H O OT I N GReset the gas pressure page Troubleshooting F3 NO FLAME Flameoutwhen unit is sparking? connectionadjusted correctly switch closed?Check the wiring Inspect and if needed, replace the burner assembly page A-14Troubleshooting F5 CC OVER TEMP CC Over Temp Replace the I/O control board page A-8Troubleshooting F6 EC OVER TEMP EC Over Temp Clean the air filters pageTroubleshooting F7 RTD FAULT RTD Failure Troubleshooting F8 HIGH LIMIT TRIPPED High Limit TripCheck that the CMSC Troubleshooting F9 BELT FAULT Total Belt Run FailureCorrect wiring page 45. NO Replace needed parts page A-8former have line voltage Troubleshooting F10 Air Pressure Switch FaultAre all the contacts thermostat closed?Non-Fault Code Troubleshooting Troubleshooting Cooling System IssueTroubleshooting Food Not Cooking Properly Is wiring from the Troubleshooting No Display - Screen is BlankDoes the keypad beep when a Is the 24 VDC powerThis page intentionally left blank 4 4 T RO U B L E S H O OT I N GSchematics Page S CH E MATI CS 46 S C H E MATI C S SCHE MAT ICS Page Appendix A - Replacing Oven Components Page Replacing Oven Components A APPENDIX A - REPLACING OVEN COMPONENTSGas Pipe, 8” Between Stacked Ovens Only A - 2 APPENDIX A - REPLACING OVEN COMPONENTSConveyor Belt Kit, 70/30 Split, Right to Left Gas Pipe, 10” Single or Lower Oven OnlyRight End Bell First Open or Remove ThisA - 4 APPENDIX A - REPLACING OVEN COMPONENTS This page intentionally left blank APPENDIX A - REPLACING OVEN COMPONENTSReplacing Items - No Panel Removal Required Hardware Description A APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware PartReplacing Items - Right End Bell Hardware Description A APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware PartGear Drive Assembly Detail A - 1 0 APPENDIX A - REPLACING OVEN COMPONENTSHardware Description APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware PartReplacing Items - Left End Bell Hardware Description APPENDIX A - REPLACING OVEN COMPONENTSPart Number Hardware PartBurner Assembly Detail Replacing Items - Burner Compartment CoverReplacing Items - Multiple Panel Removal Required Page Page +1 214-379-6000 or Your Authorized Distributor For service or informationCustomer Service at 800.90T U R B O or Accelerating the World of Cooking TM

Troubleshooting:

Troubleshoot the blowers (page 31).

Are the nozzles and plenums

correctly installed (pages 7-8,

crimps, breaks, or leaks)?

Is the maximum and low fire gas pressure set correctly

Is the RTD damaged or defective (page 23)?

(page 24 for resistance/ temperature chart).