TurboChef 3240 Bedienungsanleitung

Accelerating the World of CookingTM

Service Manual

FOR THE TURBOCHEF 3240 HIGH HCONVEYOR OVEN

For further information, call

800.90TURBO

+1 214.379.6000

The information contained in this manual is important for the proper installation, use, mainte-

nance, and repair of this oven. Follow these procedures and instructions to help ensure satisfactory

baking results and years of trouble-free service.

Errors – descriptive, typographic, or pictorial – are subject to correction. Specifications are subject

to change without notice.

PLEASE CAREFULLY READ THIS MANUAL AND RETAIN IT FOR FUTURE REFERENCE.

TABLE OF CONTENTS

Table of Contents

Safety Instructions

Important Safety Information - Please Read First i

General Safety Information i

Preventing Oven Damage i

Reducing Fire Risk ii

Grounding Instructions ii

Power Cord Replacement ii

Specifications and Startup

Oven Overview 1

Certifications 2

Dimensions 2

Oven Construction 2

Theory of Operation 2

Power Specifications 2

Ventilation Requirements 2

Gas Derating 2

Gas Setup 3

Reading the Incoming Gas Pressure (Static) 3

Reading the Gas Pressure at 100% Flame 3

Reading the Gas Pressure at Minimum Flame 4

Reading the Operating Gas Pressure 4

Confirming Proper Closure of all Taps 4

Cleaning

Cleaning the Oven 5

Supplies and Equipment 5

Daily Cleaning Procedures 5

Deep Cleaning Procedures 6-8

Standard Oven Operation

Oven Controls 9

Cooking a Product 10

Editing a Cooking Profile 12

Changing a Cooking Profile’s Name 12

Adjusting the Belt Speed 13

Adjusting the Temperature 13

Adjusting the Top and Bottom Air 13

TABLE OF CONTENTS

Oven Modes

Config Mode 15

Smart Card Screen 15

Updating the Firmware 15

Accessing the Fault Count Screen 16

Accessing the Setup Mode 16

Accessing the Test Mode 16

Setup Mode 16

Changing the Display Temperature 16

Edit Option Screen 16

Changing the Display Language 17

Info Screen 17

Test Mode 17

Accessing the Burner Control Screen 18

Manipulating the Top and Bottom Blowers 18

Viewing the Status Indicators 18

Entering a New Serial Number 19

Initiating a Burn-In Test 20

Erasing all Oven Settings 20

Clearing the Fault Counts 20

Viewing the Serial Number 20

Oven Systems

The Control System 21

Control Board 21

Display 21

EMI Filter 21

Fuses 21

High-Limit Thermostat 21

Idle Button 21

Keypad 21

Power Supply - 24VDC (Domestic) 21

Power Supply - 24VDC (International) 22

K3 Relay - Gas 22

K4 Relay - Ignition 22

RTD 23

Smart Card Reader 23

Speaker 23

Thermostat - 120F (Close on Rise) 23

Wire Harness 23

The Conveyor System 23

Gear Drive (Conveyor Motor) 23

Gear Drive (Conveyor Motor) Speed Controller (CMSC) 24

TABLE OF CONTENTS

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

iSAFETY INSTRUCTIONS

Important Safety Information – Please Read First

Improper installation, adjustment, alteration, service, or maintenance of this equipment can cause property

damage, injury, or death. Thoroughly read the installation, operating, and maintenance instructions before

installing or servicing this equipment. Strictly adhere to the following safety information to reduce the

risk of:

- Damage to the oven

- Damage to property near the oven

- Personal injury

- Burns

- Fire

- Electric shock

General Safety Information

aUse this appliance only for its intended uses as described in this manual.

aOnly qualified service personnel should service this appliance. Contact the nearest authorized service

facility for examination, repair, or adjustment.

aAlways ensure the oven is disconnected from the power supply before servicing, repairing, or adjust-

ing any components or parts.

X DO NOT place the cord near heated surfaces.

X DO NOT store or use flammable vapors or liquids (e.g., gasoline) in the vicinity of this appliance.

X DO NOT allow children to use this appliance.

X DO NOT place corrosive chemicals or vapors in this appliance. It is not designed for industrial or

laboratory use.

X DO NOToperate this appliance if it:

-Has a damaged cord, plug, or gas hose

-Is not working properly

-Has been damaged or dropped

X DO NOTcover or block any openings on this appliance.

X DO NOTstore this appliance outdoors.

X DO NOTuse this appliance near water.

X DO NOTimmerse this appliance or any of its components (e.g., cord, plug, etc.) in water.

X DO NOTlet the cord hang over the edge of a table or counter.

X DO NOTwork near the appliance with long hair, loose clothing, or dangling jewelry.

Preventing Oven Damage

aWhen servicing this appliance, do not tear insulation to get to components. Rather, find the edge of

the insulation and remove the tape that holds it in place.

aClean the oven daily (page 5).

aClean the oven only with TurboChef approved cleaner.

X DO NOTclean with a water jet.

X DO NOTslam or mishandle the oven window.

X DO NOTfrequently open and close the window to check the cook status of the food.

X DO NOTallow cleaning solution or water to remain in the cook cavity longer than necessary.

SAFETY INSTRUCTIONS

Reducing Fire Risk

If materials inside the oven ignite or if smoke is observed,

1.Keep the oven window closed.

2.Turn off the oven.

3.Disconnect the power cord or shut off power at the fuse/circuit breaker panel.

aCarefully attend the oven if paper, plastic, or other combustible materials are placed inside the oven

to facilitate cooking.

X DO NOTleave items in the cook cavity when the oven is not in use.

X DO NOTcook items wrapped in cling wrap or plastic film.

X DO NOT overcook food.

X DO NOTstore (or use) gasoline or any other flammable vapors or liquids near this appliance.

If a gas leak is noticed,

X DO NOTattempt to light or operate any appliance.

X DO NOToperate any electronic device.

aImmediately use an exterior phone to contact your gas supplier.

aIf you cannot contact your gas supplier, contact your local fire department.

Grounding Instructions

WARNING: Improper grounding increases the risk of electric shock.

This appliance must be grounded. The cord is equipped with a grounding wire and plug, which in the

event of an electrical short circuit, reduce the risk of electric shock by providing an escape wire for the

electric current. The wire must be plugged into an outlet that is properly installed and grounded.

Consult a qualified electrician or serviceman to determine whether or not the appliance is properly

grounded.

X DO NOTuse an extension cord. If the power supply cord is too short, request a qualified electrician

or serviceman to install an outlet near the appliance.

Power Cord Replacement

To avoid potential hazards, only the manufacturer, its service agent, or a similarly-qualified person should

replace a damaged power cord.

iii SAFETY INSTRUCTIONS

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