Alto-Shaam Vector VMC-H4 User manual

alto-shaam.com

Service Manual

Vector™ Multi-Cook Oven

VMC-H2

VMC-H3

VMC-H4

VMC-H2H

VMC-H3H

VMC-H4H

Structured Air Technology™

MN-39158

REV.03

11/18

EN

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

2

Manufacturer’s Information

This manual or any portion thereof may not be reproduced or used in any

manner whatsoever without the express written permission of Alto-Shaam, Inc.

Trademarks All trademarks referenced in this documentation are the property of their

respective owners.

Manufacturer Alto-Shaam, Inc.

P.O. Box 450

W164 N9221 Water Street

Menomonee Falls, WI 53052

Original instructions The content in this manual is written in American English.

FOREWORD

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

3

OREWORD

Alto-Shaam 24/7 Emergency Repair Service

Call Call 800-558-8744 to reach our 24-hour emergency service call center for

immediate access to local authorized service agencies outside standard business

hours. The emergency service access is provided exclusively for Alto-Shaam

equipment and is available throughout the United States through Alto-Shaam’s

toll free number.

Availability Emergency service access is available seven days a week, including holidays.

FOREWORD

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

4

TABLE OF CONTENTS

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TABLE OF CONTENTS

Manufacturer’s Information . . . . . . . . . . . . . . . . . . . . . . . . 2

Foreword 3

Alto-Shaam 24/7 Emergency Repair Service . . . . . . . . . . . . . . . 3

Table of Contents 5

Safety 7

The Meaning of Signal Words . . . . . . . . . . . . . . . . . . . . . . . 7

Safety Precautions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Operation 11

How to Turn On and Turn Off the Oven . . . . . . . . . . . . . . . . . 11

How to Update the Interface Board (IB) . . . . . . . . . . . . . . . . . 12

How to Update the Control Board (CB) . . . . . . . . . . . . . . . . . . 14

How to Load Configuration Files . . . . . . . . . . . . . . . . . . . . . 16

Components 19

Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . 19

Chamber Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Front Panel Identification . . . . . . . . . . . . . . . . . . . . . . . . . 21

Back Panel Identification . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Component Access Panels Identification . . . . . . . . . . . . . . . . . 23

H4—Electrical Component Identification . . . . . . . . . . . . . . . . . 24

H3—Electrical Component Identification . . . . . . . . . . . . . . . . . 25

H2—Electrical Component Identification . . . . . . . . . . . . . . . . . 26

Electrical Components . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Left Service Panel Identification . . . . . . . . . . . . . . . . . . . . . . 37

Left Service Panel Components . . . . . . . . . . . . . . . . . . . . . . 38

Right Service Panel Identification . . . . . . . . . . . . . . . . . . . . . 41

Right Service Panel Components . . . . . . . . . . . . . . . . . . . . . 42

Internal Components Identification. . . . . . . . . . . . . . . . . . . . 44

Internal Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Theory 47

Standby State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

On State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Preheat State. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

Idle State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Cooking State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Cooking State Complete . . . . . . . . . . . . . . . . . . . . . . . . . . 52

Rapid ON/OFF State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Cool Down State . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54

Cool Down State Complete. . . . . . . . . . . . . . . . . . . . . . . . . 55

TABLE OF CONTENTS

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Maintenance 57

Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

How to Clean the Oven. . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Testing 63

How to Test the Cooling Fans . . . . . . . . . . . . . . . . . . . . . . . 63

How to Test the Blower Motors . . . . . . . . . . . . . . . . . . . . . . 65

How to Test the Heaters . . . . . . . . . . . . . . . . . . . . . . . . . . 68

How to Calibrate a Chamber Thermocouple . . . . . . . . . . . . . . 71

Troubleshooting 75

Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

The Oven will not Power Up . . . . . . . . . . . . . . . . . . . . . . . . 76

The Screen will not Turn On . . . . . . . . . . . . . . . . . . . . . . . . 78

The Screen will not Turn Off . . . . . . . . . . . . . . . . . . . . . . . . 79

The Screen is Solid White . . . . . . . . . . . . . . . . . . . . . . . . . 80

The Screen is not Responsive . . . . . . . . . . . . . . . . . . . . . . . 81

The Screen has Icons, but no Text . . . . . . . . . . . . . . . . . . . . 82

The Striped Screen and Blank Screen go through a Continuous Loop83

The Striped Screen is Locked . . . . . . . . . . . . . . . . . . . . . . . 84

The Oven Control does not Respond . . . . . . . . . . . . . . . . . . . 85

Chambers do not Heat – Control Voltage . . . . . . . . . . . . . . . . 86

The Chambers do not Heat – Element Line Voltage . . . . . . . . . . 87

Chamber Blower Fans do not Operate . . . . . . . . . . . . . . . . . . 89

Chamber Lights do not Illuminate . . . . . . . . . . . . . . . . . . . . 90

The Check Fan Indicator Light is Illuminated . . . . . . . . . . . . . . 91

The Cooling Fan(s) do not Operate . . . . . . . . . . . . . . . . . . . . 93

What to do if the Fan Indicator Light Illuminates . . . . . . . . . . . . 94

Assembly/Disassembly 95

Removing and Installing the Blower Motor . . . . . . . . . . . . . . . 95

Removing and Installing a Heater Element . . . . . . . . . . . . . . . 97

Schematics 99

VMC-H2 / VMC-H2H—60 Hz . . . . . . . . . . . . . . . . . . . . . . . . 99

VMC-H3 / VMC-H3H—60 Hz . . . . . . . . . . . . . . . . . . . . . . . 100

VMC-H3 / VMC-H3H—208–240V 60 Hz (3 Ph) . . . . . . . . . . . . . 101

VMC-H4 / VMC-H4H—60 Hz . . . . . . . . . . . . . . . . . . . . . . . 105

VMC-H2 / VMC-H2H—220-240V 50 Hz . . . . . . . . . . . . . . . . . 106

VMC-H2 / VMC-H2H—380-415V 50 Hz (3 Ph) . . . . . . . . . . . . . 109

VMC-H3 / VMC-H3H—220-240V 50 Hz (1 Ph) . . . . . . . . . . . . . 112

VMC-H3 / VMC-H3H—380-415V 50 Hz (3 Ph) . . . . . . . . . . . . . 115

VMC-H4 / VMC-H4H—380-415V 50 Hz . . . . . . . . . . . . . . . . . 118

Warranty 121

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

SAFETY

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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AFETY

The Meaning of Signal Words

Technical content produced by Alto-Shaam contains signal words where needed.

These signal words must be obeyed to reduce the risk of death, personal injury,

or equipment damage. The meaning of these signal words is explained below.

DANGER

Danger indicates a hazardous situation, which if not avoided,

will result in serious injury or death.

WARNING

Warning indicates a hazardous situation, which if not avoided,

could result in serious injury or death.

CAUTION

Caution indicates a hazardous situation, which if not avoided,

could result in minor or moderate injury.

NOTICE

Notice indicates a situation, which if not avoided, could result

in property damage.



NOTE: Note indicates additional information that is important to a

concept or procedure.

SAFETY

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Safety Precautions

Before you begin Read and understand all instructions in this manual.

Electrical precautions Obey these electrical precautions when using the appliance:

▪ Connect the appliance to a properly grounded outlet. Do not use the appliance if

it is not properly grounded. Consult an electrician if there is any doubt that the

outlet used is properly grounded.

▪ Keep the cord away from hot surfaces.

▪ Do not attempt to service the appliance or its cord and plug.

▪ Do not operate the appliance if it has a damaged cord or plug.

▪ Do not immerse the cord or plug in water.

▪ Do not let the cord hang over the edge of a table or counter.

▪ Do not use an extension cord.

Usage precautions Obey these usage precautions when using the appliance:

▪ Only use this appliance for its intended use of heating or cooking.

▪ Always keep liquids, or foods that can become liquid when heated, level and at or

below eye level where they can be seen.

▪ Use utensils and protective clothing such as dry oven mitts when loading and

unloading the appliance.

▪ Use caution when using the appliance. Floors adjacent to the appliance may

become slippery.

▪ Do not cover or block any of the openings of this appliance.

▪ Do not cover racks or any other part of this appliance with metal foil.

▪ Do not use this appliance near water such as a sink, in a wet location, near a

swimming pool, or similar locations.

▪ Do not unplug or disconnect the appliance immediately after cooking. The

cooling fans must stay on to protect electrical components.

Maintenance

precautions

Obey these maintenance precautions when maintaining the appliance:

▪ Obey precautions in the manual, on tags, and on labels attached to or shipped

with the appliance.

▪ Only clean the appliance when the main disconnect switch is in the OFF position.

▪ Do not store the appliance outdoors.

▪ Do not clean the appliance with metal scouring pads.

▪ Do not use corrosive chemicals when cleaning the appliance.

▪ Do not use a hose or water jet to clean the appliance.

▪ Do not use the appliance cavity for storage.

▪ Do not leave flammable materials, cooking utensils, or food inside the appliance

when it is not in use.

▪ Do not remove the top cover or side panels. There are no user-serviceable

components inside.

SAFETY

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Operator training All personnel using the appliance must have proper operator training. Before

using the appliance:

▪ Read and understand the operating instructions contained in all the

documentation delivered with the appliance.

▪ Know the location and proper use of all controls.

▪ Keep this manual and all supplied instructions, diagrams, schematics, parts lists,

notices, and labels with the appliance if the appliance is sold or moved to another

location.

▪ Contact Alto-Shaam for additional training if needed.

Operator

qualifications

Only trained personnel with the following operator qualifications are permitted

to use the appliance:

▪ Have received proper instruction on how to use the appliance.

▪ Have demonstrated their ability with commercial kitchens and commercial

appliances.

The appliance must not be used by:

▪ Persons (including children) with reduced physical, sensory or mental

capabilities, or lack of experience and knowledge, unless they have been given

supervision concerning use of the appliance by person responsible for their

safety.

▪ People impaired by drugs or alcohol.

▪ Children should be supervised to ensure that they do not play with the appliance.

▪ Children shall neither clean nor maintain the appliance.

Condition of

appliance

Only use the appliance when:

▪ All controls operate correctly.

▪ The appliance is installed correctly.

▪ The appliance is clean.

▪ The appliance labels are legible.

Servicing the

appliance

▪ Only trained personnel are permitted to service or repair the appliance. Repairs

that are not performed by an authorized service partner or trained technician, or

the use of non-factory parts, will void the warranty and relieve Alto-Shaam of all

liability.

▪ To prevent serious injury, death or property damage, have the appliance

inspected and serviced at least every twelve (12) months by an authorized service

partner or trained technician.

▪ Contact Alto-Shaam for the authorized service partner in your area.

Sound power The A-weighted sound pressure level is below 70 dB(A).

SAFETY

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Personal Protective

Equipment (PPE)

Wear the following Personal Protective Equipment (PPE) while cleaning the

appliance:

▪ Protective gloves

▪ Protective clothing

▪ Eye protection

▪ Face protection

Service Technician

Training

Only trained personnel are permitted to service or repair the appliance. Service

technicians must be knowledgeable in current codes and standards as stated by the

appropriate agencies, such as:

▪ The National Fire Protection Association (NFPA)

▪ National Electrical Code (NEC)

▪ The Service Technician’s employer

OPERATION

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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PERATION

How to Turn On and Turn Off the Oven

Before you begin The oven must be connected to electric power.

Turning on the oven

To turn on the oven, do the following.

Step Action

1. Set the main disconnect switch a to the ON position.

Press the ON/OFF button b. The LED on the button illuminates green.

The oven is now on.

Turning off the oven

To turn off the oven, do the following.

2. Press and hold the ON/OFF button b until the LED above the ON/OFF

button illuminates red.

The oven activates the blowers for the cool down process. The screen

displays a cool down prompt and asks for the door to be opened. The oven

will deactivate the blowers when the cool down process is complete.

The oven is now off.



NOTE: The main disconnect switch is meant to be used

during cleaning or service operations. For every day

operation, it may be left in the ON position.

LED

b

a

VMC-TS-001340

Cool Down

OVEN COOLING DOWN...

PLEASE OPEN DOOR

VMC-TS-002779

OPERATION

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How to Update the Interface Board (IB)

Before you begin ▪ The chambers should be off (not preheated).

▪ Do not remove the USB drive during the update process.

▪ You will need a USB drive with the updated firmware.

▪ You will need to know the service pass code.

Procedure To update the interface board, do the following.

Step Action

1. Touch the gear icon a. The User Configuration screen displays.

2. Touch the USB icon b. The USB Functions screen displays.

3. Plug the USB drive into the port c.

Continued on next page

NOTICE

Do not remove the USB drive during the update

process.

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OPERATION

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Continued from previous page

4. Touch the Update IB icon d. The Enter Pass Code screen displays.

Enter the pass code e.

Touch the green check mark f.

5. Touch the firmware file g for your particular oven—choose by oven size.

The oven loads the selected firmware.

The oven goes through the update process:

▪ The screen goes blank.

▪ The striped screen displays for a few seconds.

▪ The screen goes blank.

▪ The logo screen displays for a few seconds.

▪ The oven turns off.

6. Press the ON/OFF button to turn on the oven and complete the update

process.

Result The interface board has now been updated.

NOTICE

Do not remove the USB drive during the update

process.

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VMC-TS-001754

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VMC-TS-002093

OPERATION

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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How to Update the Control Board (CB)

Before you begin ▪ The chambers should be off (not preheated).

▪ Do not remove the USB drive during the update process.

▪ You will need a USB drive with the updated firmware.

▪ You will need to know the service pass code.

Procedure To update the control board, do the following.

Step Action

1. Touch the gear icon a. The User Configuration screen displays.

2. Touch the USB icon b. The USB Functions screen displays.

3. Plug the USB drive into the port c.

Continued on next page

NOTICE

Do not remove the USB drive during the update

process.

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USB

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VMC-TS-001748

VMC-TS-001581

c

OPERATION

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Continued from previous page

4. Touch the Update CB icon d. The Enter Pass Code screen displays.

Enter the pass code e.

Touch the green check mark f.

5. Touch the firmware file g. The oven loads the selected firmware.

The oven goes through the update process:

▪ The screen goes blank.

▪ The striped screen displays for a few seconds.

▪ The screen goes blank.

▪ The logo screen displays for a few seconds.

▪ The oven turns off.

6. Press the ON/OFF button to turn on the oven and complete the update

process.

Result The control board has now been updated.

NOTICE

Do not remove the USB drive during the update

process.

Update IB

H4-XX.XX

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VMC-TS-001765

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VMC-TS-002093

OPERATION

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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How to Load Configuration Files

Before you begin ▪ The chambers should be off (not preheated).

▪ Do not remove the USB drive during the update process.

▪ You will need a USB drive with the configuration files.

▪ You will need to know the service pass code.

Procedure Configuration files are used to load the oven menu.

To load a menu to the oven, do the following.

Step Action

1. Touch the gear icon a. The User Configuration screen displays.

2. Touch the USB icon b. The USB Functions screen displays.

3. Plug the USB drive into the port c.

Continued on next page

NOTICE

Do not remove the USB drive during the update

process.

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OPERATION

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Continued from previous page

4. Touch the Load Config icon d. The Enter Pass Code screen displays.

Enter the pass code e.

Touch the green check mark f.

5. Touch the configuration file g. The oven loads the selected firmware.

The oven goes through the update process:

▪ The screen goes blank.

▪ The striped screen displays for a few seconds.

▪ The screen goes blank.

▪ The logo screen displays for a few seconds.

▪ The oven turns off.

6. Press the ON/OFF button to turn on the oven and complete the update

process.

Result The configuration file has now been loaded.

NOTICE

Do not remove the USB drive during the update

process.

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VMC-TS-002093

OPERATION

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COMPONENTS

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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OMPONENTS

Component Identification

COMPONENTS

Vector™ H Series ▪ Service Manual ▪ MN-39158 ▪ Rev 03 ▪ 11/18

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Chamber Identification

Components will be identified in accordance with the chamber numbering

illustrated here.

VMC-PHD-001875

#1

#2

#3

#4

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