Alto-Shaam Vector VMC-F3E Service Manual
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Alto-Shaam Vector VMC-F3E Service Manual

Multi-cook oven, simple control
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MN-46895-EN
REV.01
7/20
EN
alto-shaam.com
Vector
Structured Air Technology™
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
®
Multi-Cook Oven
Simple Control
VMC-F3E
VMC-F4E

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Summary of Contents for Alto-Shaam Vector VMC-F3E

  • Page 1 VMC-F3E VMC-F4E Structured Air Technology™ MN-46895-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 7/20 Para obtener el manual más actual, visite alto-shaam.com Ga voor de meest recente handleiding naar alto-shaam.com...

  • Page 2: Manufacturer's Information

    © Copyright 7/20 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. Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 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 The Screen will not Turn On ......77 The Screen will not Turn Off ......78 The Screen is Solid White .

  • 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: ▪ If applicable, 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 Alto-Shaam of all liability. Original manufacturer’s replacement parts may be substituted; however, these parts must be of equal quality and specifications as those provided by Alto-Shaam.
  • Page 10 AFETY Personal Protective Wear the following Personal Protective Equipment (PPE) while cleaning the Equipment (PPE) appliance: ▪ Protective gloves ▪ Protective clothing ▪ Eye protection ▪ Face protection Service Technician 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 Training appropriate agencies, such as:...

  • Page 11: Operation

    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 the main disconnect switch to the ON position. Press the ON/OFF button .
  • Page 12 PERATION Continued from previous page Turning off the oven To turn off the oven, do the following. Press and hold the ON/OFF button 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.

  • Page 13: How To Update The Interface Board (Ib)

    PERATION 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. ▪...
  • Page 14 PERATION Continued from previous page Plug the USB drive into the port VMC-TS-010221 Touch the Update IB icon The Enter Pass Code screen displays. Enter the pass code Touch the check mark USB Functions Enter Pass Code Update IB te IB Update CB F4-XX.XX Ver X.X...
  • Page 15 PERATION Continued from previous page Touch the firmware file for your particular oven—choose by oven size. The oven loads the selected firmware.  NOTE: Do not remove the USB drive during the update process. Select IB File VMC-TS-010601 The oven goes through the update process: The screen goes blank.

  • Page 16: How To Update The Control Board (Cb)

    PERATION 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. ▪...
  • Page 17 PERATION Continued from previous page Plug the USB drive into the port VMC-TS-010221 Touch the Update CB icon The Enter Pass Code screen displays. Enter the pass code Touch the check mark USB Functions Enter Pass Code Update IB Update CB F4-XX.XX Ver X.X Load Config...
  • Page 18 PERATION Continued from previous page Touch the firmware file The oven loads the selected firmware.  NOTE: Do not remove the USB drive during the update process. Loading CB File Select CB File Loading LvioXXXX.hex VMC-TS-010610 The oven goes through the update process: The screen goes blank.

  • Page 19: How To Load Configuration Files

    PERATION 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.
  • Page 20 PERATION Continued from previous page Plug the USB drive into the port VMC-TS-010221 Touch the Load Config icon The Enter Pass Code screen displays. Enter the pass code Touch the check mark USB Functions Enter Pass Code Update IB Update CB F4-XX.XX Ver X.X ad Recipes...
  • Page 21 PERATION Continued from previous page Touch the configuration file . The oven loads the selected firmware.  NOTE: Do not remove the USB drive during the update process. Select Config/Recipe File Load Config Loading configuration file (.ai2) fonts.ai2 as_icons.ai2 cons.a ui_dump.ai2 ump.ai VMC-TS-010618...
  • Page 22 PERATION This page intentionally left blank. Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0 ▪ ▪ ▪ ▪...

  • Page 23: Components

    OMPONENTS Chamber Identification Components will be identified in accordance with the chamber numbering illustrated here. See topic Variable Frequency Drive (VFD) for VFD numbering. VMC-PHD-010689 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1 7 / 2 0...

  • Page 24: Front Panel Identification

    OMPONENTS Front Panel Identification VMC-PHD-010692 Ref. Description Check fan indicator light USB port ON/OFF button Control panel display Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0 ▪...

  • Page 25: Back Panel Identification

    OMPONENTS Back Panel Identification VMC-PHD-010695 Ref. Description Main disconnect switch Ethernet port Electrical supply cord Tether ring Equipotential-bonding terminal Cooling fans/filters Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1 7 / 2 0 ▪...

  • Page 26: Component Access Panels Identification

    OMPONENTS Component Access Panels Identification VMC-PHD-010698 Ref. Description Provides access to Top panel Door drive and door switch Control panel Interface board, display, WiFi antenna Circuit breaker access panel Circuit breakers Left front service panel Electric chassis components, control panel components, and thermocouples Left back service panel Electric power components...

  • Page 27: Top Panel Component Identification

    OMPONENTS Top Panel Component Identification VMC-PHD-010701 Ref. Description Door switch Door closure mechanism Door Switch ▪ Door closed 0 Ohms; 0 VDC across terminals 1 and 2 of connector P3 on the control board. ▪ Door open Infinite Ohms; 8 VDC across terminals 1 and 2 of connector P3 on the control board.

  • Page 28: Control Panel Component Identification

    OMPONENTS Control Panel Component Identification VMC-PHD-010707 Ref. Description ON/OFF board USB port Display Interface board Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0 ▪...
  • Page 29 OMPONENTS Interface Board VMC-PHD-001943 Ref. Description BATT Clock battery LCD display ribbon cable Control board communication Touch overlay ribbon cable 4 GB micro SD card USB connection ON/OFF switch circuit board LED 1 RS485 communication LED 2 RS485 communication Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1...

  • Page 30: F4-Electrical Component Identification

    OMPONENTS F4—Electrical Component Identification VMC-PHD-010710 Ref. Description Ref. Description Variable Frequency Drive (VFD) Solid State Relay (SSR)—Dual High limit switches Relays Transformer Terminal blocks Control board Circuit breakers 12VDC power supply Main disconnect switch Speaker WYE filter (CE only) USB port Line filter (CE only) Terminal blocks Switch—Check fans light 1 of 2...

  • Page 31: F3-Electrical Component Identification

    OMPONENTS F3—Electrical Component Identification VMC-PHD-010713 Ref. Description Ref. Description Variable Frequency Drive (VFD) Solid State Relay (SSR)—Dual High limit switches Relays Transformer Terminal blocks Control board Circuit breakers 12VDC power supply Main disconnect switch Speaker WYE filter (CE only) USB port Line filter (CE only) Terminal blocks Switch—Check fans light 1 of 2...
  • Page 32 OMPONENTS Variable Frequency Drive (VFD) WARNING: Electric shock hazard. Do not disassemble the VFD. VMC-PHD-003618 High Limit Switches Resettable Contacts open at 572°F (300°C) VMC-PHD-001987 Ref. Description Reset button Temperature bulb Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1...
  • Page 33 OMPONENTS 12VAC Transformer The transformer provides a voltage signal to the control board. The signal allows the control board to determine the incoming line voltage. ▪ Primary: 1700 Ohms ▪ Secondary: 6 Ohms 240 VAC VMC-PHD-001927 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1...
  • Page 34 OMPONENTS Control Board (CB) Í TELCO VFD SIEMENS VFD ON VMC-PHD-001947 Ref. Description Ref. Description Ref. Description LED 9 Drive 1 communication Jumper Chamber 2 call for heat Input signals Jumper LED 10 Chamber 3 call for heat Lights Not used LED 11 Chamber 4 call for heat Input from 12VDC power Input from switches...
  • Page 35 OMPONENTS 12VDC Power Supply Supplies DC voltage to the control board and the ON/OFF switch. Vo Adj VMC-PHD-001935 Ref. Description 12VDC terminals 12VDC adjustment 90-264 VAC input Speaker 8 Ohms VMC-PHD-001995 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1...
  • Page 36 OMPONENTS Terminal Blocks VMC-PHD-010716 Ref. Description TB 67 Light 1 TB 69 Light 3 TB 63 Light 1 TB 65 Light 3 TB 68 Light 2 TB 70 Light 4 F4 TB 64 Light 2 TB 66 Light 4 F4 Ve c to r F®...
  • Page 37 OMPONENTS Chamber Air Temperature Probe K Type Thermocouple 100°C 4.096 mV 100°F 1.521 mV 200°C 8.138 mV 200°F 3.820 mV 300°C 12.209 mV 300°F 6.094 mV VMC-PHD-001991 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1 7 / 2 0...
  • Page 38 OMPONENTS Solid State Relay (SSR) F4 SSR 1 SSR 2 SSR 3 SSR 4 SSR 1 SSR 2 SSR 3 VMC-PHD-010719 Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0 ▪...
  • Page 39 OMPONENTS Solid State Relay—Duel (SSR) A– B– VMC-PHD-010722 Ref. Description A1 terminal, AC line voltage into the SSR A2 terminal, AC load voltage to heating element A B1 terminal, AC line voltage into the SSR B2 terminal, AC load voltage to heating element B A+ terminal, DC control voltage from the control board to the SSR A- terminal, DC control voltage from the control board to the SSR B+ terminal, DC control voltage from the control board to the SSR...
  • Page 40 OMPONENTS Relays VMC-PHD-010725 Ref. Description Coil Voltage Function Relay 1 (RL 1) 12 VDC Power to cooling fans and VFD 1 Relay 2 (RL 2) 240 VAC Power to VFD 2 Relay 3 (RL 3) 240 VAC Power to VFD 3 Relay 4 (RL 4) 240 VAC Power to VFD 4...
  • Page 41 OMPONENTS Terminal Blocks TB28 TB29 TB16 TB22 TB26 TB60 TB61 VMC-PHD-010728 Ref. Description Ref. Description Line 1 after disconnect switch TB29 Ground TB32 Line 2 after disconnect switch Line voltage to SSR 1 and SSR 2 Line 3 after disconnect switch TB33 Line voltage to SSR 3 and SSR 4 TB16...
  • Page 42 OMPONENTS Circuit Breakers VMC-PHD-010731 Ref. Description Ref. Description Chamber 1 heating elements Chamber 4 heating elements (F4 only) Chamber 2 heating elements Control voltage Chamber 3 heating elements Control voltage Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0...
  • Page 43 OMPONENTS Main Disconnect Switch VMC-PHD-001911 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1 7 / 2 0 ▪ ▪ ▪ ▪...
  • Page 44 OMPONENTS WYE Filter (CE Only) VMC-PHD-010734 Line Filter (CE Only) VMC-PHD-010737 Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0 ▪ ▪...
  • Page 45 OMPONENTS Check Fans Indicator Light Switch 1 of 2 ▪ The contacts close at or above 130°F (54°C) VMC-PHD-001903 Chamber Heating Element 26 Ohms 9 Amps VMC-PHD-003793 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1 7 / 2 0...

  • Page 46: Back Panel Component Identification

    OMPONENTS Back Panel Component Identification VMC-PHD-010740 Ref. Description Filters Blower motors Cooling fans Check fans indicator light switch 2 of 2 Ethernet port (optional) Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0...
  • Page 47 OMPONENTS Filter—Cooling Air VMC-PHD-002015 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1 7 / 2 0 ▪ ▪ ▪ ▪...
  • Page 48 OMPONENTS Blower Motor Assembly VMC-PHD-003802 Ref. Description Ref. Description Blower housing, left side Radial blower wheel, 12-blade Wheel, blower, left side Motor, double shaft Plate, motor mounting Bracket, adjustable, motor mount Bushing Wheel, blower, right side Plate, seal retainer Blower housing, right side —...
  • Page 49 OMPONENTS Cooling Fans ▪ Impedance protected ▪ 240 Volt ▪ 581 Ohm VMC-PHD-002011 Check Fans Indicator Light Switch 2 of 2 ▪ The contacts close at or above 130°F (54°C) VMC-PHD-001903 Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1...
  • Page 50 OMPONENTS This page intentionally left blank. Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1 7/ 2 0 ▪ ▪ ▪ ▪...

  • Page 51: 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. ▪ Remove any spills with disposable paper wipes or a damp cloth. ▪...
  • Page 52 AINTENANCE Continued from previous page ▪ Record the software versions and update if necessary. ▪ Record the amp draw of all elements on the service screen individually. ▪ Record the incoming supply line voltage. ▪ Test each chamber fan for correct operation. ▪...

  • Page 53: How To Clean The Oven

    AINTENANCE How to Clean the Oven Before you begin WARNING: Burn hazard. Wear eye protection and hand protection while cleaning the oven. Do not spray cleaner into the oven while the blowers are running. Allow the oven, racks, and jet plates to cool before cleaning the oven.
  • Page 54 AINTENANCE Continued from previous page Remove any spills with disposable paper wipes or a damp cloth. Wipe the outside of the oven with a damp cloth. Wipe the outside of the oven with a stainless steel cleaner. Monthly or as needed For the monthly cleaning or as needed if the oven is dirty, do the following.
  • Page 55 Use hand protection when handling the jet plates. VMC-TS-010654 Separate the jet plates. Spray the cooking racks and jet plates with Alto-Shaam non-caustic oven cleaner , CE-46828. Follow safety instructions on cleaner bottle. Let the cleaner work for 3–5 minutes. Scrub with a non-abrasive scrub pad.
  • Page 56 AINTENANCE Continued from previous page Re-install the cooling fan filters. Clean the door glass with Windex® or equivalent glass cleaner. Re-install the jet plates and cooking racks.  NOTE: Make sure the jet plates are installed correctly. The nozzles on the jet plates should be pointing towards the food.

  • Page 57: Testing

    ESTING How to Test the Cooling Fans ▪ Before you begin The oven must be connected to electric power. ▪ Make sure the top cover and side panels are installed when testing the cooling fans. Procedure To test the cooling fans, do the following. Step Action Touch...
  • Page 58 ESTING Continued from previous page Touch the down arrow . The second Service screen displays. Service Service Offsets Diagnostics Pass Code Blowers Fans Set Temp Heaters Oven Model Link Manual VMC-TS-010762 Touch the Fans icon . The Fans screen displays. Touch Touch here to turn fans ON or OFF to turn on and turn off the...

  • Page 59: How To Test The Blower Motors

    ESTING How to Test the Blower Motors Before you begin The oven must be connected to electric power. Procedure To test the blower motors, do the following. Step Action Touch the gear icon . The User Configuration screen displays. User Configuration Link Preheat Ready to Pr...
  • Page 60 ESTING Continued from previous page Touch the down arrow . The second Service screen displays. Service Service Offsets Diagnostics Pass Code Blowers Fans Set Temp Heaters Oven Model Link Manual VMC-TS-010762 Touch the Blowers icon . The Air Speed screen displays. Touch the chamber you want to test.
  • Page 61 ESTING Continued from previous page Touch the home icon to stop the blower motors and return to the home screen.  NOTE: Touching the cancel icon will also stop the blower motors and return to the Service screen. Air Speed Enter air speed (10 - 100%) VMC-TS-010771...

  • Page 62: How To Test The Heaters

    ESTING How to Test the Heaters ▪ Before you begin The oven must be connected to electric power. ▪ You will need an ammeter. Procedure To test the heaters, do the following. Step Action Remove the side service panel. VMC-TS-010677 Touch the gear icon .
  • Page 63 ESTING Continued from previous page Touch the Service icon . The Enter Pass Code screen displays. Enter the pass code Touch the check mark . The first Service screen displays. Enter Pass Code Service User Configuration Service Sounds Diagnostics Pass Code Time Set Temp Logs...
  • Page 64 ESTING Continued from previous page Touch the chamber you want to test. A check mark indicates that chamber’s heater is on. Heaters Touch a chamber to turn its heater ON or OFF VMC-TS-010778 Measure the amp draw while the heater is on. The amperage draw of a functioning heater element is 7–9 amps.
  • Page 65 ESTING Continued from previous page Touch the home icon to stop the heaters and return to the home screen.  NOTE: Touching the cancel icon will also stop the heaters and return to the Service screen. Heaters Touch a chamber to turn its heater ON or OFF VMC-TS-010781 Re-install...

  • Page 66: How To Test The Probe

    ESTING How to Test the Probe Before you begin Make sure you have: ▪ Multimeter ▪ Container of ice water Procedure To test the probe, do the following. Step Action the multimeter to ohms. VMC-TS-003717 Insert the probe into a container of ice water. ...
  • Page 67 ESTING Continued from previous page Insert the meter leads into the probe connector. The measurement should be between 99 and 101 ohms at 32°F (0°C).  NOTE: If the measurement is not between 99 and 101 ohms, replace the faulty probe. VMC-TS-003723 Result The probe has now been tested.

  • Page 68: How To Calibrate A Chamber Thermocouple

    ESTING How to Calibrate a Chamber Thermocouple ▪ Before you begin The oven must be connected to electric power. ▪ Make sure you have a multimeter with thermocouple attachment. ▪ Make sure the jet plates are installed. ▪ You will need to know the service pass code. Procedure To calibrate a chamber thermocouple, do the following.
  • Page 69 ESTING Continued from previous page Touch the gear icon . The User Configuration screen displays. User Configuration Link Preheat Ready to P Combine Service Sounds French toast Fried eggs Time Biscuits Cookies Roast Recipes Logs VMC-TS-010790 Touch the Service icon .
  • Page 70 ESTING Continued from previous page Touch the Offsets icon . The Offsets screen displays. Offsets Service 0° 0° 0° 0° Blowers Fans Heaters Oven Model VMC-TS-010799 Touch the chamber that needs to be calibrated . The Enter Offsets screen displays. Enter the offset number from the calculation.

  • Page 71: Troubleshooting

    2. Cavity fan not operating Note: Contact an 3. Optional grease filters blocked with debris authorized 4. Heat relay(s) stuck closed Alto-Shaam service 5. Connection between high limit switch and partner. control board 6. High limit switch Ve ct or F ® Se r i es...

  • Page 72: What To Do If The Oven Malfunctions

    ROUBLESHOOTING What to do if the Oven Malfunctions ▪ Background You may need to do a factory reset in the case that the oven malfunctions for any of these issues: The display freezes □ The controls do not respond □ The oven does not heat □...

  • Page 73: What To Do If The Fan Indicator Light Illuminates

    ROUBLESHOOTING What to do if the Fan Indicator Light Illuminates Procedure If the fan indicator light illuminates, do the following. Step Action Turn off the oven and allow it to cool. Remove the cooling fan filters VMC-TS-009477 Clean the cooling fan filters. Clean with a mild cleaner and rinse with hot water.

  • Page 74: What To Do If The High Limit Screen Displays

    ROUBLESHOOTING What to do if the High Limit Screen Displays Procedure If the high limit screen displays , do the following. Step Action Press and release the high limit temperature reset buttons Link Preheat Ready to Preheat Combine High Limit Bacon French toast Fried eggs...

  • Page 75: The Oven Will Not Power Up

    ROUBLESHOOTING The Oven will not Power Up ▪ Before you start Remove the circuit breaker service panel on the left side of the oven. ▪ Move the circuit breakers to the OFF position, then move the circuit breakers to the ON position and retry operation. If the oven still does not power up, follow the troubleshooting procedure below.
  • Page 76 ROUBLESHOOTING Is there 12 DC out of the power supply between the Replace the power supply. positive and negative side terminals? Check the communication cable between the control board P11 and interface board J7. Check all wiring Are there two red LED’s flashing on the Interface and connections.

  • Page 77: The Screen Will Not Turn On

    ROUBLESHOOTING The Screen will not Turn On ▪ Before you start Move the main disconnect switch to the OFF position, then move the main disconnect switch to the ON position. If the striped screen displays, but the oven will not turn on when the ON/OFF button is pressed, follow the troubleshooting procedure below.

  • Page 78: The Screen Will Not Turn Off

    ROUBLESHOOTING The Screen will not Turn Off ▪ Before you start Press and hold the ON/OFF button. WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE). NOTICE Do not operate the oven in a cooking mode for an extended period of time with the service panels removed.

  • Page 79: The Screen Is Solid White

    ROUBLESHOOTING The Screen is Solid White WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE). Move the main disconnect switch to the OFF position, then move the main disconnect switch to the ON Continue with troubleshooting.

  • Page 80: The Screen Is Not Responsive

    ROUBLESHOOTING The Screen is not Responsive ▪ Before you start Move the main disconnect switch to the OFF position, then move the main disconnect switch to the ON position. If the icons display on the screen, but do not respond when touching them, follow the troubleshooting procedure below. NOTICE Do not operate the oven in a cooking mode for an extended period of time with the service panels removed.

  • Page 81: The Screen Has Icons, But No Text

    ROUBLESHOOTING The Screen has Icons, but no Text ▪ Before you start Move the main disconnect switch to the OFF position, then move the main disconnect switch to the ON position. ▪ USB drive formatted to FAT 32. Load the force load file and autoconfig file onto a USB drive formatted to FAT 32.

  • Page 82: The Striped Screen And Blank Screen Go Through A Continuous Loop

    USB drive into the P2 Load the interface board (IB) force load file. Call connector on the interface Replace the interface board Alto-Shaam for the force load file. Does the screen board (IB). Reload the files. (IB). respond? Does the screen work properly? The touch screen is working properly.

  • Page 83: The Striped Screen Is Locked

    Before you start USB drive formatted to FAT 32. Load the interface board (IB) force load file. Call Alto-Shaam for the force load file. Move the main disconnect switch to the OFF position. Insert the Check USB drive for the correct USB drive into the USB port on the oven.

  • Page 84: The Oven Control Does Not Respond

    ROUBLESHOOTING The Oven Control does not Respond ▪ Before you start Remove the service panel of the left side of the oven. ▪ Move the main disconnect switch to the OFF position, then move the main disconnect switch to the ON position. Locate LEDs D21 and D22 on the control board (CB).

  • Page 85: The Chambers Do Not Heat - Control Voltage

    ROUBLESHOOTING The Chambers do not Heat – Control Voltage Before you start Locate the temperature high limit switches and reset any tripped high limit switch as required. Locate the circuit breakers and reset any tripped circuit breaker as required. Put the oven into a heating mode. WARNING: Electric shock and arc flash hazard.
  • Page 86 ROUBLESHOOTING Does the voltage Replace the control Replace the SSR. correspond to board. the voltage printed on the serial number Refer to topic The Chambers do not Heat - tag? Element Line Voltage Replace the Measure the current draw of the heater heater element.

  • Page 87: The Chambers Do Not Heat - Element Line Voltage

    ROUBLESHOOTING The Chambers do not Heat – Element Line Voltage How the heating The heating elements require two phases of line voltage to operate. One phase element line voltage originates at the main disconnect switch and is connected through a terminal works block and then directly to the heating element.
  • Page 88 ROUBLESHOOTING At the main disconnect switch, place one meter lead on the phase that connects directly to the heating element. Place the second meter lead on the line side terminal of the circuit breaker for the phase that connects to the SSR.
  • Page 89 ROUBLESHOOTING Measure the current draw of the heater elements. Is the Replace the heater element. current draw correct? The heater is working properly. Ve ct or F ® Se r i es Se r vi ce Man u a l MN -4 6 8 95 Rev 1 7 / 2 0...

  • Page 90: Chamber Blowers Do Not Operate

    ROUBLESHOOTING Chamber Blowers do not Operate ▪ Before you start Put the oven into a heating mode. ▪ Locate the circuit breakers and reset any tripped circuit breaker as required. WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE).

  • Page 91: Chamber Lights Do Not Illuminate

    ROUBLESHOOTING Chamber Lights do not Illuminate WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE). NOTICE Do not operate the oven in a cooking mode for an extended period of time with the service panels removed. Damage to the electronics may occur without adequate cooling airflow.

  • Page 92: The Check Fan Indicator Light Is Illuminated

    ROUBLESHOOTING The Check Fan Indicator Light is Illuminated Before you start Put the oven into a heating mode. WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE). NOTICE Do not operate the oven in a cooking mode for an extended period of time with the service panels removed.
  • Page 93 ROUBLESHOOTING Measure AC voltage across the normally open terminal at the RL 1 relay and TB 16. Does the voltage Replace the RL 1 relay. correspond to the voltage printed on the serial number tag? Measure AC voltage across TB 16 and TB 26. Does the Repair or replace the voltage correspond to the wires from the RL 1 relay...

  • Page 94: The Cooling Fan(S) Do Not Operate

    ROUBLESHOOTING The Cooling Fan(s) do not Operate Before you start Put the oven into a heating mode. WARNING: Electric shock and arc flash hazard. Use caution when measuring line voltage. Wear Personal Protective Equipment (PPE). NOTICE Do not operate the oven in a cooking mode for an extended period of time with the service panels removed.

  • Page 95: The Food Probe Will Not Operate

    ROUBLESHOOTING The Food Probe will not Operate Place the food probe in a container of ice water. Measure the ohm value of the food probe. Is the measurement 100 Replace the food probe. ohms? Plug the food probe into the probe receptacle. Measure the Repair or replace the wires from the ohm value of the food probe at the control board P8 from the probe receptacle to the...
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  • Page 97: Assembly/Disassembly

    SSEMBLY ISASSEMBLY Removing and Installing the Blower Motor ▪ Before you begin The oven must be disconnected from electric power. ▪ Have a replacement blower motor. Procedure To remove and install the blower motor, do the following. WARNING: Electric shock hazard. Disconnect the oven from electric power before servicing the appliance.
  • Page 98 SSEMBLY ISASSEMBLY Continued from previous page Remove the back panel VMC-TS-010672 Disconnect the fan wire connector Disconnect the blower motor wire connectors VMC-TS-003702 the insulation around the motor. Loosen the motor mount adjustment screws VMC-TS-003705 Continued on next page Ve c to r F® Se r i es Se r vi ce Ma n u al M N- 46 8 9 5 Rev 1...
  • Page 99 SSEMBLY ISASSEMBLY Continued from previous page Remove the fan mount screws VMC-TS-003708 Remove the motor assembly from the oven. Install the new motor assembly. VMC-TS-003711 Re-install the fan mount screws Tighten the motor mount adjustment screws. Re-install the insulation around the motor. Tape all the seams in the insulation.

  • Page 100: Removing And Installing A Heater Element

    SSEMBLY ISASSEMBLY Removing and Installing a Heater Element ▪ Before you begin The oven must be disconnected from electric power. ▪ Have a replacement heater element. Procedure To remove and install a heater element, do the following. WARNING: Electric shock hazard. Disconnect the appliance from electric power before servicing the appliance.
  • Page 101 SSEMBLY ISASSEMBLY Continued from previous page the insulation around the heater element panel. Move the insulation away from the heater element panel. Remove the heater element panel VMC-TS-010680 Remove the heater element from the oven. Install the new heater element into the oven. VMC-TS-010683 Re-install the heater element panel.
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