TurboChef HHB-8028 Bedienungsanleitung

Accelerating the World of CookingTM

High h Batch Service Manual

      

800.90TURBO

Part Number: HHB-8707/Revision A/June 2005

For further information call:

Customer Service at .

Sales & Marketing at .

Accelerating the World of CookingTM

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

and repair of this oven. Follow these procedures and instructions to 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.

Safety Instructions

Important Safety Information – Please Read First i

General Safety Information i

Reducing Fire Risk i

Preventing Oven Damage ii

Grounding Instructions ii

Power Cord Replacement ii

Theory of Operation, Specifications and Installation

Theory of Operation 1

Certifications 1

Dimensions 1

Construction 2

Electrical Specifications 2

North America (except Canada)/South America 2

Canada 2

Europe/Asia/Pacific 2

United Kingdom/Ireland 2

Installation 2

Lifting and Placing the Oven 2

Setup 3

Operating the Oven

Control Display and Key Identification 5

Oven States and Menu Access 5

Oven State Descriptions 5

Menu Descriptions 6

Powering Up 6

Powering Down 6

Cooking Instructions 6

Cooking Options 7

Time Screen Options 7

Done Screen Options 7

Using the Options Menu 8

Enabling/Disabling the Edit Menu 8

Erasing the Recipe Menu 9

Enabling/Disabling the Write Card Function 9

Enabling/Disabling the Time Screen 10

Enabling/Disabling the Done Screen 10

Enabling/Disabling the Demonstration Mode 11

Table of Contents

Programming Recipes 11

Adjusting the Cook Chamber Temperature 12

Modifying Recipes 12

Loading Menu from Smart Card 14

Saving Menu to Smart Card 14

Checking Recipe Counter 16

Diagnosing an Issue

Fault Codes: Descriptions, Clearing Instructions, 17

and Troubleshooting

F1: BLOWER (Blower Running Status Bad) 17

F2: LOW TEMP (Cook Temperature Low) 17

F6: EC TEMP (Electrical Compartment Temperature High) 20

F7: THERMO (Thermocouple Open) 20

F8: HEAT LOW (Heat Rise Low) 20

Status Indicators 23

Door 23

Heater A 23

Heater B 23

Blower 23

Testing Options 23

Testing the Blower Motor 24

Viewing/Clearing the Fault Log 24

Adjusting Temperature Offset 24

Checking Heaters A and B 25

Testing the Rack Oscillator 27

Enabling/Disabling Diagnostic Mode 27

Viewing Cook Counter/Time 27

Viewing Cumulative Operating Time 28

Viewing EC Temperature 28

Changing Fahrenheit/Celsius Option 29

Viewing/Entering Serial Number 29

The Control System

Serviceable Components 31

Blower Motor Controller 32

Cooling Fans 33

Display 34

Display Keypad 35

Door Switch 36

Fuses 37

I/O Control Board 39

Power Supply 39

Relay 39

Smart Card Reader 39

Solid State Relay 40

Rack Oscillator Motor 40

Thermocouple – Cook Chamber 42

Thermocouple – Electrical Compartment 42

Thermostat – Cooling Fan 43

Thermostat – Hi-Limit 44

Voltage Sensor 45

Troubleshooting 46

No Keypad Input 46

No Display – Screen is Blank 47

The Oven Door

Serviceable Components 49

Door Gasket 50

Door Hinge 51

Door Switch 51

Troubleshooting 52

“Cook Door Open” Message when Door is Closed 52

The Impingement Circuit

Serviceable Components 53

Blower Motor 53

Heater Element 54

Jetplates (Top and Bottom) 55

Swing Arm Assembly 56

The Filtering System

Serviceable Components 57

Catalytic Converter 57

Filters 58

Cleaning the Oven

Daily Maintenance Procedures 59

Deep Clean Procedures 59

High h Batch Schematic

High h Batch Oven Schematic 61

Schematic Parts 63

I/O Control Board Test Point Locations 64

Comprehensive Part Listing

Comprehensive PartListing 65

Hardware Descriptions 69

Glossaryof Terms

Subject Index

SAFETY 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:

oDamage to the oven

oDamage to property near the oven

oPersonal injury

oBurns

oFire

oElectric shock

GENERAL SAFETY INFORMATION

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

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

facility for examination, repair, or adjustment.

oAlways ensurethe oven is disconnected from the power supply before servicing, repairing, or adjusting

any components or parts.

xDO NOT place the cord near heated surfaces.

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

xDO NOT allow children to use this appliance.

xDO NOTplace corrosive chemicals or vapors in this appliance. It is not designed for industrial or

laboratory use.

xDO NOT operate this appliance if it

Has a damaged cordor plug

Isnot working properly

Has been damaged or dropped

xDO NOT cover or block any openings on this appliance.

xDO NOT store this appliance outdoors.

xDO NOT use this appliance near water.

xDO NOT immerse this appliance or any of its components (e.g., cord, plug, etc.) in water.

xDO NOT let the cord hang over the edge of a table or counter.

REDUCING FIRE RISK

Ifmaterials inside the oven ignite or if smoke is observed,

1. Keep the oven door closed.

2. Turn off the oven.

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

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

to facilitate cooking.

xDO NOT leave items in the Cook Chamber when the oven is not in use.

xDO NOT cook items wrapped in cling wrap or plastic film.

xDO NOTovercook food.

ii SAFETY INSTRUCTIONS

PREVENTING OVEN DAMAGE

oWhen 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.

oOperate the oven only when food is in the Cook Chamber.

oClean the oven daily.

oClean the oven only with TurboChef Oven Cleaner.

xDO NOT clean with a water jet.

xDO NOT slam or mishandle the oven door.

xDO NOT frequently open and close the door to check the cook status of the food.

xDO NOT allow cleaning solution or water to remain in the Cook Chamber longer than necessary.

GROUNDING INSTRUCTIONS

WARNING: Improper grounding increases the risk of electric shock.

This appliance must be grounded. It is equipped with a cord that has a grounding wire and plug that,

in the event of an electrical shortcircuit, reduce the risk of electric shock by providing an escape wire for

the electric current. The wiremust be plugged into an outlet that is properly installed and grounded.

Consult a qualified electrician or serviceman for help understanding

oGrounding instructions

oWhether or not the appliance is properly grounded

xDO NOT use 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

Toavoid potential hazards, only the manufacturer, its service agent, or a similarly qualified person should

replace a damaged power cord.

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