Alto-Shaam 300-TH Service Manual
  1. Manuals
  2. Brands
  3. Alto-Shaam Manuals
  4. Oven
  5. 300-TH
  6. Service manual

Alto-Shaam 300-TH Service Manual

Cook & hold oven
Hide thumbs Also See for 300-TH:
Table of Contents

Advertisement

Quick Links

MN-46713-EN
REV.01
12/20
EN
alto-shaam.com
For the most current manual, visit alto-shaam.com
Die neueste Fassung des Handbuchs finden Sie auf alto-shaam.com
Pour la dernière version du manuel, visiter alto-shaam.com
Para obtener el manual más actual, visite alto-shaam.com
Ga voor de meest recente handleiding naar alto-shaam.com
За самой последней версией руководства обращайтесь на сайт alto-shaam.com
要查看当前最新手册，请访问 alto-shaam.com
Service Manual
Cook & Hold Oven
300-TH
500-TH
750-TH
1000-TH
1200-TH
1750-TH
Simple Control
750-SK
1000-SK
1200-SK
1750-SK

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the 300-TH and is the answer not in the manual?

Questions and answers

Related Manuals for Alto-Shaam 300-TH

Summary of Contents for Alto-Shaam 300-TH

  • Page 1 1750-SK 1200-TH 1750-TH MN-46713-EN For the most current manual, visit alto-shaam.com Die neueste Fassung des Handbuchs finden Sie auf alto-shaam.com REV.01 Pour la dernière version du manuel, visiter alto-shaam.com 12/20 Para obtener el manual más actual, visite alto-shaam.com Ga voor de meest recente handleiding naar alto-shaam.com За...

  • Page 2: Manufacturer's Information

    © 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.

  • Page 3: Foreword

    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.
  • Page 4 OREWORD This page intentionally left blank. S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1 1 2/ 2 0 ▪...

  • Page 5: Table Of Contents

    Manufacturer’s Information ......2 Foreword Alto-Shaam 24/7 Emergency Repair Service ....3 Table of Contents Safety The Meaning of Signal Words .
  • Page 6 ABLE OF ONTENTS S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1 1 2/ 2 0 ▪ ▪...

  • Page 7: Safety

    AFETY 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.

  • Page 8: Safety Precautions

    AFETY 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.
  • Page 9 (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 Si m p l e Co n t ro l Co ok & Ho l d...
  • Page 10 AFETY Continued from previous page Personal Protective Wear the following Personal Protective Equipment (PPE) while cleaning the Equipment (PPE) appliance: ▪ Protective gloves ▪ Protective clothing ▪ Eye protection ▪ Face protection Use of restraining A restraining device (tether) must be installed to any appliance that is hard-wired devices and mounted on casters.

  • Page 11: Operation

    PERATION Control Identification COOK TIME PROBE HOLD SMOKE START c d e f g TH-TS-008703 Item Description Function Power icon Touch to turn on or turn off the oven. Cook icon Touch to set cook temperature. Time icon Touch to cook by time. Probe icon Touch to cook by probe.

  • Page 12: How To Turn On And Turn Off The Oven

    PERATION How to Turn On and Turn Off the Oven Before you begin The oven must be connected to electric power. Turning the oven on To turn on and off the oven, do the following. or off Step Action Touch the power icon to turn on the oven.

  • Page 13: How To Update Software With A Usb Drive

    PERATION 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.
  • Page 14 PERATION Continued from previous page Turn the knob until the control displays “Prog”. Press the knob to select “Prog”. COOK TIME PROBE HOLD SMOKE START TH-TS-009815 Turn the knob to “yes”. Press the knob to select “yes” and begin the update. COOK TIME PROBE...

  • Page 15: How To View The Software Versions

    Action Remove and reapply electrical power from the oven.  NOTE: For TH-300 ovens, the power switch can be used. 300-TH TH-TS-011359 The interface board (IB) software version displays. Record this number. TH-TS-011061 The control board (CB) software version displays. The numbers to the left of the colon “:”...
  • Page 16 PERATION Continued from previous page Power failure (PF) displays. Touch the power icon to clear the power failure (PF). TH-TS-011070 The display will go blank. Touch the power icon. TH-TS-011073 The display will power up and the icons display. TH-TS-011076 Result The software versions have now been viewed.

  • Page 17: Components

    OMPONENTS Component Identification Si m p l e Co n t ro l Co ok & Ho l d Se rv i ce Man u a l MN -4 6 7 13 Re v 1 1 2 / 20 ▪ ▪...

  • Page 18: Front Panel Identification

    OMPONENTS Front Panel Identification TH-PHD-011659 Ref. Description ON/OFF button USB port Control panel display S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1 1 2/ 2 0 ▪...

  • Page 19: Back Panel Identification

    OMPONENTS Back Panel Identification TH-PHD-011509 Ref. Description Circuit breakers ON/OFF switch (TH-300 only) High limit(s) Electrical supply Tether ring Si m p l e Co n t ro l Co ok & Ho l d Se rv i ce Man u a l MN -4 6 7 13 Re v 1 1 2 / 20...

  • Page 20: Component Access Panels Identification

    OMPONENTS Component Access Panels Identification TH-PHD-011662 Ref. Description Provides access to Left side panel Heating element terminal block Control panel Interface board Top service panel Electrical components Circuit breaker access panel Circuit breakers (500-TH and larger) Right side panel — S i mp l e Co n tr o l Coo k &...

  • Page 21: Control Panel

    OMPONENTS Control Panel Single Chamber – Interface Board (IB) Dual Chamber – Interface Board (IB) TH-PHD-011665 Ref. Description Alarm - buzzer Touch sensor - top oven Touch sensor - bottom oven RJ485 Modbus Encoder (dial) Chassis ground 12VDC Si m p l e Co n t ro l Co ok & Ho l d Se rv i ce Man u a l MN -4 6 7 13 Re v 1...

  • Page 22: 300-Th-Electrical Component Identification

    OMPONENTS 300-TH—Electrical Component Identification TH-PHD-011521 Ref. Description Ref. Description USB port ON/OFF switch Control board High limit switch 12VDC power supply Solid State Relay (SSR) Terminal blocks (L1, GND, L2/N) Speaker — Cooling fan — S i mp l e Co n tr o l Coo k & Hol d...
  • Page 23 OMPONENTS 500-TH, 750-TH/SK, 1000-TH/SK—Electrical Component Identification TH-PHD-011524 Ref. Description Ref. Description USB port High limit switch Control board Circuit breakers Terminal blocks Solid State Relay (SSR) 12VDC power supply Voltage monitor Terminal blocks (L1, GND, L2/N) Speaker Cooling fan — —...

  • Page 24: 1250-Th/Sk, 1750-Th/Sk-Electrical Component Identification

    OMPONENTS 1250-TH/SK, 1750-TH/SK—Electrical Component Identification TH-PHD-011527 Ref. Description Ref. Description USB port Cooling fan Daughter board High limit switch(es) Control board Circuit breakers Terminal blocks Solid State Relay (SSR) 12VDC power supply Voltage monitor Terminal blocks (L1, GND, L2/N) Speaker S i mp l e Co n tr o l Coo k &...
  • Page 25 OMPONENTS Control Board (CB) and Daughter Board (DB) CONTROL BOARD DAUGHTER BOARD TH-PHD-011530 Ref. Description (CB) Ref. Description (CB) Ref. Description (DB) RY1-D1 Smoker - bottom oven 5 VDC RY2-D2 Smoker - top oven Voltage monitor Cooking probes Bottom cavity temperature sensor RY3-D3 Not used 12VDC power supply...
  • Page 26 OMPONENTS Terminal Blocks TB4B TB3B TB10B TB3A TB4A TB10A TH-PHD-011533 Ref. Description Model TB3A 750-TH, 1000-TH, 1200-TH, 1750-TH TB3B Smoker option 1200-TH, 1750-TH TB4A L2/N 750-TH, 1000-TH, 1200-TH, 1750-TH TB4B Smoker option 1200-TH, 1750-TH DC - Lights, top cavity 1200-TH DC - Lights, bottom cavity 1200-TH TB10A...
  • Page 27 OMPONENTS 12VDC Power Supply Supplies DC voltage to the control board and the ON/OFF switch. TH-PHD-011536 Ref. Description 120–240VAC terminals 12VDC terminals Si m p l e Co n t ro l Co ok & Ho l d Se rv i ce Man u a l MN -4 6 7 13 Re v 1 1 2 / 20...
  • Page 28 OMPONENTS Terminal Blocks (L1, GND, L2/N) TH-PHD-011539 Circuit Breakers TH-PHD-011542 Ref. Description Circuit breaker L1 Circuit breaker L2/N S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1 1 2/ 2 0...
  • Page 29 OMPONENTS Solid State Relay (SSR) Single cavity Heater element control. TH-PHD-011545 Ref. Description L1 terminal, AC line voltage into the SSR T1 terminal, AC load voltage to the heating element Call for heat indicator light A2 (-) terminal, DC control voltage from the control board to the SSR A2 (+) terminal, DC control voltage from the control board to the SSR Continued on next page Si m p l e Co n t ro l Co ok &...
  • Page 30 OMPONENTS Continued from previous page Dual cavity TH-PHD-011548 Ref. Description Terminal A1 - Circuit A Terminal B1 - Circuit B Connector Terminal B2 - Circuit B Terminal A2 - Circuit A Circuit B DC- from control board Circuit B DC+ from control board Circuit B call for heat indicator Circuit A call for heat indicator Circuit A DC- from control board...
  • Page 31 OMPONENTS Voltage Monitor (208–240V Ovens Only) + – TH-PHD-011551 Input DC Range 200–209 4.58–5.00 210–219 4.17–4.53 220–229 3.82–4.13 230–239 3.51–3.78 240–249 3.22–3.48 250+ 3.20 Ref. Description J5 DC output J1 AC input J2 AC input Si m p l e Co n t ro l Co ok & Ho l d Se rv i ce Man u a l MN -4 6 7 13 Re v 1...
  • Page 32 OMPONENTS High Limit Switches Resettable Contacts open at 300°F (149°C) VMC-PHD-001987 Ref. Description Reset button Temperature bulb Chamber Air Temperature Probe 100 Ohm at 0°C TH-PHD-011554 S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1...
  • Page 33 OMPONENTS Speaker 8 Ohms VMC-PHD-001995 Door Switch ▪ Door closed 0 Ohms; 0 VDC across terminals 1 and 2 (top oven) or 5 and 6 (bottom oven) of connector J9 on the control board. ▪ Door open Infinite Ohms; 8 VDC across terminals 1 and 2 (top oven) or 5 and 6 (bottom oven) of connector J9 on the control board.
  • Page 34 OMPONENTS ▪ Impedance protected ▪ 240 Volt ▪ 581 Ohm VMC-PHD-002011 S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1 1 2/ 2 0 ▪...

  • Page 35: Internal Components Identification

    OMPONENTS Internal Components Identification TH-PHD-011668 Ref. Description Cavity lights Si m p l e Co n t ro l Co ok & Ho l d Se rv i ce Man u a l MN -4 6 7 13 Re v 1 1 2 / 20 ▪...

  • Page 36: Internal Components

    OMPONENTS Internal Components Cavity Light 12 VDC VMC-PHD-007587 S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1 1 2/ 2 0 ▪...

  • Page 37: Maintenance

    AINTENANCE Maintenance Schedule ▪ Requirements See topic How to Clean the Oven. ▪ Make sure the oven is cooled down and off—inside of chamber 140°F (60°C) or less. Daily For daily maintenance, do the following. ▪ See topic How to Clean the Oven, and follow the Daily Cleaning procedure. ▪...
  • Page 38 AINTENANCE Continued from previous page ▪ Check and tighten the cord connection inside of the appliance control area. ▪ Inspect the control cooling fans (if applicable). ▪ Measure the site voltage. ▪ Inspect and adjust voltage monitor board if needed. ▪...

  • Page 39: How To Clean The Oven

    AINTENANCE How to Clean the Oven Before you begin WARNING: Electric shock hazard. Set the power switch to the OFF position and unplug the oven before cleaning it. CAUTION: Burn hazard. Allow the oven, drip pans, and racks to cool before cleaning. CAUTION: Corrosive materials hazard.
  • Page 40 AINTENANCE Continued from previous page Weekly cleaning To clean the oven weekly, do the following. procedure Step Action the power switch to the OFF position and unplug the appliance. Wipe the exterior areas of the oven with a non-abrasive nylon scrub pad. Spray the exterior areas of the oven with stainless steel polish.

  • Page 41: Troubleshooting

    Door open Door is open Close the door, check door switch operation. ProG Programmer error Fatal error Call Alto-Shaam technical support. P111 Probe 1 open Open circuit detected on sensor wires. 1. Sensor connection circuit, upper 2. Sensor compartment 3.
  • Page 42 ROUBLESHOOTING E-bC Bootloader Bootloader chip error Requires power cycle to reset EEPROM RAM reset EFAn Check fans Insufficient internal cooling airflow. 1. Cooling fan filters dirty 2. Cooling fans not operating 3. Installation clearance requirements not UE01 USB error (USB not USB not present Insert USB, USB cable faulty present)

  • Page 43: What To Do If A Power Interruption Occurs

    Procedure To continue operation of the oven, do the following. Step Action For TH-300 ovens, set the power switch to the ON position. 300-TH TH-TS-011359 The interface board (IB) software version displays. TH-TS-011061 The control board (CB) software version displays.
  • Page 44 ROUBLESHOOTING Continued from previous page Touch the power icon to clear the power failure (PF). TH-TS-011070 Touch The display will go blank. the power icon. TH-TS-011073 The display will power up and the icons display. TH-TS-011076 Result Resume operation of the oven. S i mp l e Co n tr o l Coo k &...

  • Page 45: How To Change The Language Strip

    ROUBLESHOOTING How to Change the Language Strip ▪ Before you begin The oven must be disconnected from electrical power. ▪ Make sure you have hand tools. Procedure To change the language strip, do the following. Step Action Remove the control panel from the oven.
  • Page 46 ROUBLESHOOTING Continued from previous page Locate the language strip Single cavity oven Dual cavity oven TH-TS-011695 Remove the language strip from the control panel. Install the new language strip into the control panel. TH-TS-011698 Re-install the interface board cover and screws. Re-install the control panel.

  • Page 47: High Limit Alarm

    ROUBLESHOOTING High Limit Alarm Test the oven to make sure the Reset the high limit for the corresponding cavity. cavity is not overheating. See Does the alarm clear? Troubleshooting Tree for Overheating scenario if necessary. Reset the high limit again. If Remove power to the oven.

  • Page 48: The Oven Does Not Heat

    Inspect the wiring between A1/B1 Is there L1 voltage at A1 (upper/single cavity SSR) or and the circuit breaker/on-off power B1 (lower cavity SSR)? Measure in reference to a switch (300-TH). Inspect and repair known N/L2 the connections and wiring as needed.

  • Page 49: The Product Probe Does Not Work

    ROUBLESHOOTING The Product Probe does not Work Check the condition of the product probe and product probe wiring. Is there any damage, kinks, or cuts to Utilize an undamaged probe and go the wiring, damage to the probe sensing tip, or to the next step.

  • Page 50: The Smoke Function Does Not Operate

    ROUBLESHOOTING The Smoke Function does not Operate WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE). Check dipswitch settings on the control board. Dipswitch 4 needs to in the ON position. Cycle Is the smoke icon available to be selected on cook power to the oven after setting dipswitch.
  • Page 51 ROUBLESHOOTING Measure the incoming voltage at the L1 and L2/N No power coming to the oven. Recheck facility terminal block. Do you have line voltage? breaker to the oven and power cord. Inspect and repair wired connections. Measure voltage at the circuit breakers. Si m p l e Co n t ro l Co ok &...

  • Page 52: The Oven Overheats

    ROUBLESHOOTING The Oven Overheats WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE). Measure the internal oven temperature with an Measure the ohm value of the cavity sensor: independent thermometer. Is this measured 100±2Ω...
  • Page 53 ROUBLESHOOTING Replace CB. Does the J11 plug continue outputting Measure and monitor current draw to heat cable 12VDC to the SSR while the registered temperature is wraps to ensure oven is now cycling at the set above the set temperature? temperature.
  • Page 54 ROUBLESHOOTING This page intentionally left blank. S i mp l e Co n tr o l Coo k & Hol d S er vi c e Ma n u al MN- 4 67 1 3 Re v 1 1 2/ 2 0 ▪...

This manual is also suitable for:

500-th750-th1000-th1200-th1750-th750-sk ... Show all

Table of Contents