Turbo Chef Technologies 2020 manual Overview of Troubleshooting, Fault Code Descriptions

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Overview of Troubleshooting

This section contains information on the following:

-Fault code descriptions

-Fault code troubleshooting

-Non-fault code troubleshooting

Fault Code Descriptions

Fault codes are logged in a fault counter (page

15)for troubleshooting. Upon completing the service call and restoring successful operation of the oven, the technician should clear all faults (see page 20).

F1: Blower Failure

This fault is displayed if for three consecutive times the control board does not receive the “status OK” signal from the BMSC.

The fault is cleared from the display if the blowers successfully restart upon starting a cook cycle or in TEST MODE.

F2: Low Temp During Cook

The oven will emit a beeping noise and display this fault if the cook cavity temperature falls 25°F (14°C) below the current cooking profile’s set temperature, and the fault will be logged in the fault counter.

The fault is cleared from the fault display if the cook cavity temperature returns to within 25°F (14°C) of the set cooking temperature during cooking or in TEST MODE.

F4: Emergency Stop

This fault is displayed when the emergency stop key is pressed.

This fault acts as a counter that logs how many times the emergency stop key (page 9) has been pressed.

The fault is cleared from the display once the oven is restarted.

F5: CC Over Temp

This fault is displayed if the cook cavity’s tem- perature reaches or exceeds 625°F (329.4°C).

The fault is cleared from the display once the oven is restarted and the temperature recedes below 625°F (329.4°C).

F6: EC Over Temp

This fault is displayed if the temperature within the electrical compartment reaches 149°F (65°C); however, the oven will not shut down and the fault will not be logged in the fault count log unless it reaches 158°F (70°C).

The fault is cleared from the display when the electrical compartment temperature recedes below 149°F (65°C).

F7: RTD Failure

This fault is displayed if the RTD circuit is open, shorted, reads above 645°F (340.5°C), or reads below -40°F (-40°C).

The fault is cleared from the display if the RTD circuit is closed, or the temperature reads within 645°F (340.5°C) and -40°F (-40°C)

F8: High Limit Tripped

This fault is displayed if the high limit switch trips. The switch trips when the high limit probe reads approximately 600°F (315.5°C).

The fault is cleared from the display when the high limit switch is manually reset.

F9: Belt Fault

This fault occurs if the conveyor belt fails to start or the conveyor is dragging.

The fault is cleared from the display if the conveyor belt starts when initiating cooking.

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

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Contents TurboChef Technologies, Inc Page 800.90TURBO For further information, callPage Table of Contents Troubleshooting SchematicsOven Systems Important Safety Information Please Read First General Safety InformationReducing Fire Risk Preventing Oven Damage Power Cord ReplacementGrounding Instructions S a F ET Y InformationSpecifications and Installation Page Electrical Specifications DimensionsExterior ConveyorPackaging Installation InstructionsCertifications Oven ConstructionBracket BB Stacking OvensPartition Counter Top / Table Installation Near Open Heat Source Ventilation RequirementsCleaning Daily and Weekly Page Approved cleaner, part number Daily Cleaning InstructionsL E a N I N G Weekly Cleaning InstructionsRemove Inner Oven Components Clean Oven Components Ready the Oven for Use Standard Oven Operation Page Oven Controls Mode 1 Oven Off Mode 2 Belt Speed SelectCooking a Product Mode 4 Soaking Mode 3 WarmingMode 6 Cooling Down Mode 7 IdleChanging a Cooking Profile Name Editing a Cooking ProfileAdjusting the Top and Bottom Air Adjusting the TemperatureThis page intentionally Left blank Oven Modes Page Setup Mode Config ModeAccessing the Fault Count Screen Accessing the Setup ModeUpdating the Firmware Changing the Display TemperatureEdit Modes Select Screen Changing the Display LanguageAccessing the Heat Control Screen Test ModeViewing the Status Indicators Bottom Display Line Entering a New Serial NumberTo erase oven settings, press L3 , Erasing Oven SettingsInitiating a Burn-In Test Viewing the Serial NumberOven Systems Page Keypad is an 11-key membrane switch Control SystemOutput 24 VDC is on terminals -V and +V Functioning normally Voltage is applied, the relay isRelay Relay, Solid State K5/K4 HeatersGear Drive Conveyor Motor Conveyor SystemDisconnect line voltage from the unit Gear Drive Conveyor Motor Speed Controller CmscBlower Motor Speed Controller Bmsc Convection SystemBlower Motor HeatersTroubleshooting Page Fault Code Descriptions Overview of TroubleshootingRO U B L E S H O OT I N G Fault Code TableFault Code Troubleshooting Blower Motor Troubleshooting Test the RTD page 22 for resistance/ temperature chart Correctly installed?Troubleshoot the blowers pages Are all elements heatingTemperature chart Troubleshoot F1 fault pagesIs the solid state Relay functioning Properly?Oven clean? Clean the airCheck Wiring pages YES Is the oven hot? noA-8 Open the right end bell Is the wiring correct pages 37-40?Replace the I/O no control board A-8 Is the high limit thermostatCorrect wiring pages Troubleshooting F9 Belt Fault Total Belt Run FailureSettings correctly Correspond with TurboChef settings Remove the chain guard page A-4Relocate oven to cooler area Non-Fault Code TroubleshootingClose proximity ObstructionPlates Does the problem Operation Correctly reinstallBlower and/or Installed? BMSCs, heaters And/or wiringPower? Correct wiringCheck wiring from Ribbon cable Board. Correct wiring ifSchematics Page H E MAT I C S RTD H E MAT I C S Cmsc Parameters Appendix Replacing Oven Components Page Part Details Replacing Oven ComponentsEnd Bells A-6 A-8 A-4 This page intentionally Left blank Figure A-1 Front Oven Components Replacing Items Outside of End BellsPart Number Hardware Description Replacing Items Left End Bell Figure A-5 Blower Motor Assembly DetailPart Number Hardware Description Hardware Part Numbers RTD Replacing Items Right End BellRTD Page Page For service or information
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2020 specifications

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