Alto-Shaam 300-TH User manual

alto-shaam.com
Service Manual
Cook & Hold Oven
Simple Control
300-TH
500-TH
750-TH
1000-TH
1200-TH
1750-TH
750-SK
1000-SK
1200-SK
1750-SK
MN-46713-EN
REV.01
12/20
EN
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S imp le Contro l Coo k & Hold ▪ S ervice Man ual ▪ MN- 4671 3 ▪ Rev 1 ▪ 1 2/ 20
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Manufacturer’s Information
Copyright © Copyright 12/20 by Alto-Shaam, Inc.
All rights reserved.
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
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FOREWORD
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
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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
Control Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
How to Turn On and Turn Off the Oven . . . . . . . . . . . . . . . . . 12
How to Update Software with a USB Drive . . . . . . . . . . . . . . . . 13
How to View the Software Versions . . . . . . . . . . . . . . . . . . . . 15
Components 17
Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . 17
Front Panel Identification . . . . . . . . . . . . . . . . . . . . . . . . . 18
Back Panel Identification . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Component Access Panels Identification . . . . . . . . . . . . . . . . . 20
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
300-TH—Electrical Component Identification . . . . . . . . . . . . . . 22
500-TH, 750-TH/SK, 1000-TH/SK—Electrical Component Identification23
1250-TH/SK, 1750-TH/SK—Electrical Component Identification . . . . 24
Internal Components Identification. . . . . . . . . . . . . . . . . . . . 35
Internal Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Maintenance 37
Maintenance Schedule . . . . . . . . . . . . . . . . . . . . . . . . . . . 37
How to Clean the Oven . . . . . . . . . . . . . . . . . . . . . . . . . . . 39
Troubleshooting 41
Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41
What to do if a Power Interruption Occurs. . . . . . . . . . . . . . . . 43
How to Change the Language Strip . . . . . . . . . . . . . . . . . . . . 45
High Limit Alarm. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
The Oven does not Heat . . . . . . . . . . . . . . . . . . . . . . . . . . 48
The Product Probe does not Work . . . . . . . . . . . . . . . . . . . . 49
The Smoke Function does not Operate . . . . . . . . . . . . . . . . . . 50
The Oven Overheats . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Schematics 55

TABLE OF CONTENTS
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SAFETY
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SAFETY
The Meaning of Signal Words
This manual 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
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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.
▪Always open the appliance door very slowly. Escaping hot vapors or steam can
cause serious injury.
▪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 shelves 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.
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 oven is disconnected from the power source.
▪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.
Continued on next page

SAFETY
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Continued from previous page
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 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.
Continued on next page

SAFETY
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Continued from previous page
Personal Protective
Equipment (PPE)
Wear the following Personal Protective Equipment (PPE) while cleaning the
appliance:
▪Protective gloves
▪Protective clothing
▪Eye protection
▪Face protection
Use of restraining
devices
A restraining device (tether) must be installed to any appliance that is hard-wired
and mounted on casters. The tether must:
▪Be secured to the building’s structure.
▪Limit the movement of the appliance so that no stress is transmitted to the
electrical conduit.
A connection point for the tether is located on the back of the appliance.
A tether is not supplied by nor available from the manufacturer.
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
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OPERATION
Control Identification
Item Description Function
1 Power icon Touch to turn on or turn off the oven.
2 Cook icon Touch to set cook temperature.
3 Time icon Touch to cook by time.
4 Probe icon Touch to cook by probe.
5 Hold icon Touch to set hold temperature.
6 Smoke icon
(Ovens with smoker
option only)
Touch to set smoke time.
7 Start icon Touch to start cook, hold, or smoke
function.
Touch and hold to stop the current oven
function.
8 LCD Display Displays time, temperature, settings, and
error codes.
9 Knob Used to set or confirm time, temperature, or
change settings.
Press and hold to access the Settings menu.
COOK TIME PROBE HOLD SMOKE START
TH-TS-008703
abcdefg h i

OPERATION
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How to Turn On and Turn Off the Oven
Before you begin The oven must be connected to electric power.
Turning the oven on
or off
To turn on and off the oven, do the following.
Step Action
1. Touch the power icon a to turn on the oven.
2. Touch and hold the power icon a for at least 5 seconds to turn off the oven.
Result The oven is turned on or off.
COOK TIME PROBE HOLD SMOKE START
TH-TS-008711
a

OPERATION
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How to Update Software with a USB Drive
Before you begin ▪You will need a USB drive loaded with the software update.
▪Make sure the oven is on, but is not in cooking or holding mode.
▪Record the versions of the software loaded to the oven. See topic How to View the
Software Versions.
Procedure To update the software, do the following.
Step Action
1. Plug the USB drive into the port a.
2. Press and hold the knob to access the settings menu.
3. Turn the knob until the control displays USB.
Press the knob to access the USB menu.
Continued on next page
TH-TS-009797
a
COOK TIME PROBE HOLD SMOKE START
TH-TS-008727
COOK TIME PROBE HOLD SMOKE START
TH-TS-009799

OPERATION
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Continued from previous page
4. Turn the knob until the control displays “Prog”.
Press the knob to select “Prog”.
5. Turn the knob to “yes”.
Press the knob to select “yes” and begin the update.
The control will count up to 99, flash the software version, then count up to
99 again.
The control will display “done” when the software has been updated. Touch
the power icon to resume operation.
6. Remove the USB drive.
Result The software has been updated.
As an alternative to using the “Prog” function, software can also be updated by
doing the following:
▪Turn off the breaker on the back, or unplug the oven.
▪Plug the USB drive into the port on the side of the oven.
▪Turn on the breaker on the back, or plug the oven back in.
The software will update automatically.
Do not remove the USB drive until the update is complete.
COOK TIME PROBE HOLD SMOKE START
TH-TS-009815
COOK TIME PROBE HOLD SMOKE START
TH-TS-009804
TH-TS-009806

OPERATION
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How to View the Software Versions
Procedure To view the software versions, do the following.
Step Action
1. Remove and reapply electrical power from the oven.
2. The interface board (IB) software version displays. Record this number.
The control board (CB) software version displays. The numbers to the left of
the colon “:” display in HEX format. Record this number.
Continued on next page
NOTE: For TH-300 ovens, the power switch can be used.
NOTE: A CB version of 1.11 would be represented as
1:11, while a version of 111.11 would be represented as
6F:11. The numbers to the right of the colon “:” are not in
HEX format.
TH-TS-011359
300-TH
a
TH-TS-011061
TH-TS-011064

OPERATION
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Continued from previous page
3. Power failure (PF) displays.
Touch the power icon to clear the power failure (PF).
4. The display will go blank. Touch the power icon.
The display will power up and the icons display.
Result The software versions have now been viewed.
TH-TS-011070
TH-TS-011073
TH-TS-011076

COMPONENTS
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COMPONENTS
Component Identification

COMPONENTS
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Front Panel Identification
TH-PHD-011659
13
2
Ref. Description
1ON/OFF button
2USB port
3Control panel display

COMPONENTS
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Back Panel Identification
TH-PHD-011509
13 24
13 24
13 2
Ref. Description
1Circuit breakers
ON/OFF switch (TH-300 only)
2High limit(s)
3Electrical supply
4Tether ring

COMPONENTS
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Component Access Panels Identification
TH-PHD-011662
1
3
2
5
4
Ref. Description Provides access to
1Left side panel Heating element terminal block
2Control panel Interface board
3Top service panel Electrical components
4Circuit breaker access panel Circuit breakers (500-TH and larger)
5Right side panel —