Alto-Shaam Vector VMC-F3G Service Manual
Alto-Shaam Vector VMC-F3G Service Manual

Alto-Shaam Vector VMC-F3G Service Manual

Multi-cook oven commercial gas oven with deluxe control
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MN-47203-EN
REV.01
11/21
EN
alto-shaam.com
®
Vector
Commercial Gas Oven With Deluxe Control
Structured Air Technology™
Service Manual
Multi-Cook Oven
VMC-F3G
VMC-F4G

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Summary of Contents for Alto-Shaam Vector VMC-F3G

  • Page 1 Service Manual ® Vector Multi-Cook Oven Commercial Gas Oven With Deluxe Control VMC-F3G VMC-F4G Structured Air Technology™ MN-47203-EN REV.01 11/21 alto-shaam.com...
  • Page 2: Manufacturer's Information

    © Copyright 11/21 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 is intentionally left blank. V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪ ▪...
  • 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 Cheflinc.alto-shaam.com is Not Available on Your Device ..96 Cannot Connect to cheflinc.alto-shaam.com ....97 The Oven is not Displayed on the Dashboard ....98...
  • 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: Maintenance Precautions

    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 Only trained personnel are permitted to use the appliance. They must meet the qualifications following qualifications: ▪...
  • Page 10 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 appliance the use of non-factory parts, will void the warranty and relieve Alto-Shaam of all liability. ▪...
  • Page 11: Operation

    PERATION How to Turn On and Turn Off the Oven ▪ Before you begin The oven must be connected to electric power. ▪ Make sure the gas supply is connected. Turning on the oven To turn on the oven, do the following. Step Action the main disconnect switch...
  • Page 12: How To View And Set Up Network Connections

    PERATION How to View and Set up Network Connections ▪ Before you begin The facility must have WIFI. ▪ The oven will only recognize networks that require a password to connect. ▪ Do not connect to a guest network. Procedure To set up WIFI, do the following.
  • Page 13 PERATION Continued from previous page Touch the WIFI icon . The Network Status screen displays. VMC-TS-010553 Touch the Setup Network icon . The Select Connection Type screen displays. VMC-TS-010556 Continued on next page Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1...
  • Page 14 PERATION Continued from previous page Touch the “Wifi” icon Kitchen1 Kitchen2 Kitchen3 VMC-TS-010559 The available networks will show on the screen. The color of the network icon indicates the strength of the signal for each network. Green = strong Yellow = medium Red = weak If the network to be used is not displayed, continue with step 6.
  • Page 15 PERATION Continued from previous page If the network is not available, touch the “Add network” icon Kitchen1 Kitchen2 Kitchen3 VMC-TS-010565 Enter the SSID using the keypad. Then, touch the arrow key. Enter the security type. Then, touch the check mark. Enter the password using the keypad.
  • Page 16: How To Set Up An Ethernet Connection

    PERATION How to Set up an Ethernet Connection ▪ Before you begin The facility must have an Ethernet port. ▪ You will need an Ethernet cable. Procedure To set up an Ethernet connection, do the following. Step Action Plug the Ethernet cord into the Ethernet port on the oven and the wall outlet. VMC-TS-010841 Touch the menu icon...
  • Page 17 PERATION Continued from previous page Touch the settings icon . The general settings screen displays. VMC-TS-009523 Touch the WIFI icon . The Network Status screen displays. VMC-TS-010553 Touch the Setup Network icon . The Select Connection Type screen displays. VMC-TS-010556 Continued on next page Ve ct or ®...
  • Page 18 PERATION Continued from previous page Touch the “Ethernet” icon VMC-TS-010844 Result The Ethernet connection is now set up. V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪...
  • Page 19: 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-013207 Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21...
  • Page 20: Front Panel Identification

    OMPONENTS Front Panel Identification VMC-PHD-010819 Ref. Description Check fan indicator light USB port ON/OFF button Control panel display V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪...
  • Page 21: Back Panel Identification

    OMPONENTS Back Panel Identification VMC-PHD-013210 Ref. Description Ethernet port Gas inlet pipe Main disconnect switch Electrical supply cord Tether ring Equipotential-bonding terminal Cooling fan—exhaust Cooling fan—intake Exhaust—combustion Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21...
  • Page 22: Component Access Panels Identification

    OMPONENTS Component Access Panels Identification VMC-PHD-013213 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 service panel Electric chassis components, gas valves Back service panel Burner components and convection blower fan Right service panel...
  • Page 23: 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 24: Control Panel Component Identification

    OMPONENTS Control Panel Component Identification VMC-PHD-010822 Ref. Description USB port Interface board WiFi antenna (not serviceable) Capacitive touch controller board (not serviceable) Liquid Crystal Display (LCD) (not serviceable) ON/OFF board (not serviceable) V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1...
  • Page 25: Interface Board

    OMPONENTS Interface Board INTERFACE BOARD INTERFACE BOARD SIDE A SIDE B BATT DO NOT USE WIFI VMC-PHD-010825 Ref. Description BATT Clock battery Capacitive touch cable USB connections Display back light LCD interface Speaker 12VDC power 8GB microSD card ON/OFF board Speaker RS 485/232 LVIO DIP switches...
  • Page 26: (120 Volt)

    OMPONENTS F4—Right Side Component Identification (120 Volt) VMC-PHD-013216 Ref. Description Ref. Description Heat exchanger access panel Terminal blocks Gas valve Speaker Circuit breakers USB port 12VDC power supply Daughter board Terminal blocks and relays Transformer Chamber air temperature probe Switch—check fans light 1 of 2 Relay Variable frequency drive (VFD) Terminal blocks...
  • Page 27: (208-240 Volt, 220 Volt)

    OMPONENTS F4—Right Side Component Identification (208–240 Volt, 220 Volt) VMC-PHD-013219 Ref. Description Ref. Description Heat exchanger access panel Terminal blocks Gas valve Speaker Circuit breakers USB port 12VDC power supply Daughter board Terminal blocks and relays Transformer Chamber air temperature probe Switch—check fans light 1 of 2 Relay Variable frequency drive (VFD)
  • Page 28: (120 Volt)

    OMPONENTS F3—Right Side Component Identification (120 Volt) VMC-PHD-013222 Ref. Description Ref. Description Heat exchanger access panel Terminal blocks Gas valve Speaker Circuit breakers USB port 12VDC power supply Daughter board Terminal blocks and relays Transformer Chamber air temperature probe Switch—check fans light 1 of 2 Relay Variable frequency drive (VFD) Terminal blocks...
  • Page 29: (208-240 Volt, 220 Volt)

    OMPONENTS F3—Right Side Component Identification (208–240 Volt, 220 Volt) VMC-PHD-013225 Ref. Description Ref. Description Heat exchanger access panel Terminal blocks Gas valve Speaker Circuit breakers USB port 12VDC power supply Daughter board Terminal blocks and relays Transformer Chamber air temperature probe Switch—check fans light 1 of 2 Relay Variable frequency drive (VFD)
  • Page 30: Gas Valve

    OMPONENTS Gas Valve VMC-PHD-013228 Ref. Description Pressure adjust (spring) Pressure test port (out) Electrical solenoid Pressure test port (supply) V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪...
  • Page 31 OMPONENTS Fuses, Terminal Blocks, Relays, Power Supply, Circuit Breakers VMC-PHD-013231 Ref. Description Ref. Description Fuse 1 Relay—ignition sense 3–24 V TB 34 Relay—ignition sense 4–24 V TB 12 12 VDC power supply Relay—ignition sense 1–24 V Circuit breaker 1 Relay—ignition sense 2–24 V TB 1 Fuse 2 Circuit breaker 2...
  • Page 32: 12Vdc Power Supply

    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 V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1...
  • Page 33 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 7 2 03 Rev 0 1 1 1 / 21...
  • Page 34 OMPONENTS Relays, Terminal Blocks VMC-PHD-013234 Ref. Description Ref. Description Relay—convection (VFD) drive 1 and 2 TB 26 TB 38 Relay—combustion blowers Relay—convection (VFD) drive 3 and 4 TB 28 TB 40 Relay—check fans TB 29 TB 30 TB 16 TB 37 TB 22 TB 32 Relay—cooling fans...
  • Page 35 OMPONENTS Control Board (CB) Í ON/UP OFF/DOWN VMC-PHD-013313 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 LED 12 Chamber 1 light...
  • Page 36: Terminal Blocks

    OMPONENTS Terminal Blocks VMC-PHD-013237 Ref. Description TB 63 Light 1 TB 65 Light 3 TB 67 Light 1 TB 69 Light 3 TB 64 Light 2 TB 66 Light 4 F4 TB 68 Light 2 TB 70 Light 4 F4 Speaker 8 Ohms VMC-PHD-001995...
  • Page 37: Daughter Board

    OMPONENTS Daughter Board LED5 LED4 LED3 LED2 LED1 BLWR 4 BLWR 3 BLWR 2 BLWR 1 VMC-PHD-013240 120 to 24 VAC Transformer OUTPUT INPUT VMC-PHD-013243 Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21...
  • Page 38 OMPONENTS Check Fans Indicator Light Switch 1 of 2 ▪ The contacts close at or above 130°F (54°C) VMC-PHD-001903 Variable Frequency Drives (VFD) 120 Volt VMC-PHD-013246 Ref. Description Motor—Pulse Width Modulation (PWM) Motor—hall effect Control Board communication Power and ground V ec t or ®...
  • Page 39 OMPONENTS Variable Frequency Drives (VFD) 208–240 Volt, 220 Volt WARNING: Electric shock hazard. Do not disassemble the VFD. VMC-PHD-013246 Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21 ▪...
  • Page 40 OMPONENTS Line Filter (CE Only) VMC-PHD-010737 V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪ ▪ ▪...
  • Page 41: Back Side Component Identification

    OMPONENTS Back Side Component Identification VMC-PHD-013252 Ref. Description Igniter Burner Convection motor Air proving switch Orifice Combustion blower Check fans switch (2 of 2) (mounted to back panel) Main disconnect switch Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1...
  • Page 42 OMPONENTS Igniter 0.150 in / 381 mm VMC-PHD-013255 Ref. Description Flame sense Ground Spark 1000 ohm resistor Burner VMC-PHD-013258 V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪...
  • Page 43: Blower Motor Assembly

    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 44: Combustion Blower

    OMPONENTS Orifice The propane orifice is designated with a “P” stamped on one face. VMC-PHD-013264 Combustion Blower VMC-PHD-013267 V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪...
  • Page 45: Main Disconnect Switch

    OMPONENTS Check Fans Indicator Light Switch 2 of 2 ▪ The contacts close at or above 130°F (54°C) VMC-PHD-001903 Main Disconnect Switch VMC-PHD-013270 Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21...
  • Page 46: Left Side Component Identification

    OMPONENTS Left Side Component Identification VMC-PHD-013273 Ref. Description High limit switches—N7, N9 Burner control Terminal blocks, relays V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪...
  • Page 47 OMPONENTS High Limit Switches Resettable Contact open at 572°F (300°C) VMC-PHD-013276 Ref. Description Reset button Temperature bulb Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21 ▪...
  • Page 48: Burner Control

    OMPONENTS Burner Control VMC-PHD-013279 Ref. Description TB GND Heat demand relay 1 Heat demand relay 2 Heat demand relay 3 Heat demand relay 4 V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1...
  • Page 49: 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 50 AINTENANCE Continued from previous page ▪ Record the software versions and update if necessary. ▪ Record the incoming supply line voltage. ▪ Test each chamber fan for correct operation. ▪ Test each chamber heater for correct operation. ▪ Test the chamber lights. V ec t or ®...
  • Page 51: 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 52 Use hand protection when handling the jet plates. VMC-TS-009513 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 Scrub Rinse cleaner work for 3–5 minutes.
  • Page 53 AINTENANCE Continued from previous page Spray the interior surfaces of the oven with Alto-Shaam non-caustic oven Scrub cleaner, CE-46828. Let the cleaner work for 3–5 minutes. with a non- Remove abrasive scrub pad. any residue with a water-soaked towel. Remove the cooling fan filters .
  • Page 54 AINTENANCE This page is intentionally left blank. V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪ ▪...
  • Page 55: 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 56: The Oven Will Not Power Up

    ROUBLESHOOTING The Oven will not Power Up ▪ Before you start Remove the circuit breaker service panel. ▪ 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 57 ROUBLESHOOTING Continued from previous page Is there 12VDC out of the power supply between the Replace the faulty power supply. positive and negative side terminals? Inspect the wiring between power Is there 12VDC at the interface board? Is the green supply and the interface board for LED light on the board near the J12 illuminated (D05)? broken, open, or lose connections.
  • Page 58: Error Code-The Oven Fails To Stay Lit Through The Heating Cycle58

    ROUBLESHOOTING E-87 Error Code—the Oven Fails to Stay Lit through the Heating Cycle 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 top panel removed.
  • Page 59: Error Code With The Flame Icon Displayed On The Screen

    ROUBLESHOOTING E-88 Error Code with the Flame Icon displayed on the Screen Before you start ▪ Make sure the oven is connected to the proper gas supply. Natural gas ovens should have a minimum dynamic pressure of 5” W.C. and a maximum of 14” W.C. static.
  • Page 60: Error Code Without The Flame Icon Displayed On The Screen

    ROUBLESHOOTING E-88 Error Code without the Flame Icon Displayed on the Screen Before you start ▪ Make sure the oven is connected to the proper gas supply. Natural gas ovens should have a minimum dynamic pressure of 5” W.C. and a maximum of 14” W.C. static.
  • Page 61 ROUBLESHOOTING Measure AC voltage at the control board connector P3 or P18. Is there 24 volts AC between the ignition sense Inspect wiring and correct. terminals on the control board? Signal is good. Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1...
  • Page 62: Chamber Blower Fans Do Not Operate

    ROUBLESHOOTING Chamber Blower Fans do not Operate ▪ Before you start Put the oven into a heating mode. ▪ Remove the service panel. ▪ 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.
  • Page 63 ROUBLESHOOTING Continued from previous page Verify the oven has the correct supplied voltage Correct the supplied facilities voltage and and phase. phase, then retest. Is the chamber on and calling for heat? Turn the chamber ON. Locate the 4-wire VFD connection on the control board.
  • Page 64: Chamber Lights Do Not Illuminate

    ROUBLESHOOTING Chamber Lights do not Illuminate Before you start Remove the service panel. 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 top panel removed.
  • Page 65: 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. ▪ Remove the service panel. 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 top panel removed.
  • Page 66: Axial Cooling Fan(S) Are Not Running

    ROUBLESHOOTING Axial Cooling Fan(s) are not Running ▪ Before you start Put the oven into a heating mode. ▪ Remove the top service panel. 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 top panel removed.
  • Page 67: How To Test The Convection Fan Motors

    ROUBLESHOOTING How to Test the Convection Fan Motors Before you begin The oven must be connected to electric power. Procedure To test the convection fan motors, do the following. NOTICE Do not turn on the heaters during this test. Damage to the oven may occur.
  • Page 68 ROUBLESHOOTING Continued from previous page Enter the pass code 6702 Touch the check mark . The general device screen displays. XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX VMC-TS-010886 Scroll to the chamber selection buttons. XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX...
  • Page 69 ROUBLESHOOTING Continued from previous page Scroll until the convection fan button is displayed. VMC-TS-010895 Touch the convection fan button . The speed sensor will display an RPM value. VMC-TS-010898 Move the Set target speed button to change the motor RPM. If the blower speed changes, the system is working.
  • Page 70 ROUBLESHOOTING Continued from previous page Touch the convection fan button to stop the Convection fan motor. VMC-TS-010905 Result The convection fan motor has now been tested. V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1...
  • Page 71: How To Test The Cooling Fans

    ROUBLESHOOTING 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 conducting this test. Procedure To test the cooling fans, do the following. Step Action Touch...
  • Page 72 ROUBLESHOOTING Continued from previous page Enter the pass code 6702 Touch the check mark . The general device information screen displays. XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX VMC-TS-010886 Touch the cooling fan button . The cooling fans turn on. See topic The Cooling Fans do not Operate.
  • Page 73: How To Test The Fuel Pressure

    ROUBLESHOOTING How to Test the Fuel Pressure Procedure To test the fuel pressure, do the following. Step Action Remove the left side service panel. VMC-TS-013285 Shutoff the gas supply to the oven. Loosen the test port set screws in the gas valve. VMC-TS-013288 Attach manometers to the gas valve test ports.
  • Page 74 ROUBLESHOOTING Continued from previous page Turn on the gas supply to the oven. Start a manual cook for all chambers. See the Operator’s Manual. With all of the burners in a heating mode, make sure the supply pressure meets the requirements. Natural Gas (NG): 7”...
  • Page 75 ROUBLESHOOTING Continued from previous page With a burner in a heating mode, measure the exhaust CO and CO. Repeat the combustion analysis measurement steps for all chambers. —10% plus 0, minus 1.5 ▪ CO—less than 25 ▪ VMC-TS-013301 Shutoff the gas supply, remove the manometers, tighten...
  • Page 76: How To Inspect The Heat Exchanger

    ROUBLESHOOTING How to Inspect the Heat Exchanger ▪ Before you begin The oven must be disconnected from electric power. ▪ Shutoff or disconnect the gas supply to the oven. ▪ Label all wires before disconnecting them. ▪ Label all components before removing them. Procedure To inspect the heat exchanger, do the following.
  • Page 77 ROUBLESHOOTING Continued from previous page Remove the wires from the wire support. Remove the wire support from the oven. VMC-TS-013334 Disconnect the blower motor(s) connectors. VMC-TS-013337 Remove the wires from the air pressure switches. VMC-TS-013340 Continued on next page Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1...
  • Page 78 ROUBLESHOOTING Continued from previous page Remove the wires from the combustion blower motor(s). VMC-TS-013343 Remove the gas tube(s) from the gas valve and the orifice. VMC-TS-013346 Remove the air pressure switch tubing from the burner fan housing. VMC-TS-013349 Continued on next page V ec t or ®...
  • Page 79 ROUBLESHOOTING Continued from previous page Remove the nuts from the air tube flange connection. VMC-TS-013352 Remove the combustion and tube assembly.  NOTE: Retain the air tube flange gasket for re-use. VMC-TS-013355 Remove the air pressure switches. VMC-TS-013358 Continued on next page Ve ct or ®...
  • Page 80 ROUBLESHOOTING Continued from previous page and remove the tape holding the insulation together.  NOTE: The dashed lines in the image below represent the seams of insulation. VMC-TS-013361 Remove the insulation. VMC-TS-013364 Loosen the four blower adjustment screws.  NOTE: Do not remove the blower adjustment screws.
  • Page 81 ROUBLESHOOTING Continued from previous page Remove the housing screws securing the blower housing to the oven.  NOTE: Use caution when removing the housing screws. Do not strip out the holes. VMC-TS-013370 Remove the convection blower assemblies from the oven. VMC-TS-013373 Remove the insulation.
  • Page 82 ROUBLESHOOTING Continued from previous page Inspect each burner and igniter area for cracks, leaking or damaged gaskets, or broken mounting studs. VMC-TS-013379 Inspect inside of each heat exchanger area for cracks, leaking or damaged Remove gaskets, or broken studs. any grease or debris from these areas. VMC-TS-013382 Re-install the insulation.
  • Page 83 ROUBLESHOOTING Continued from previous page Re-install the blower assemblies into the oven. VMC-TS-013391 Re-install the screws securing the blower housing to the oven.  NOTE: Do not force the screws into the holes. If the screws do not line up exactly to the holes, the blower assembly is not installed correctly.
  • Page 84 ROUBLESHOOTING Continued from previous page Install the insulation. Tape all seams.  NOTE: Make sure when installing the insulation that all seams are tight, all corners and edges are tucked-in, and all insulation is taped securely. VMC-TS-013397 Re-install the air pressure switches. VMC-TS-013400 Apply Install...
  • Page 85 ROUBLESHOOTING Continued from previous page Re-install the combustion blower and tube assemblies. VMC-TS-013406 Re-install the nuts for air tube connector(s). Torque the nuts to 20 in-lb. VMC-TS-013409 Re-install the air pressure switch tubing to the burner fan housings. VMC-TS-013412 Continued on next page Ve ct or ®...
  • Page 86 ROUBLESHOOTING Continued from previous page Re-install the gas tube(s) to the gas valve and the orifice. VMC-TS-013415 Re-connect the wires to the air pressure switches. VMC-TS-013418 Re-connect the wire to the combustion fan motor(s). VMC-TS-013421 Continued on next page V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1...
  • Page 87 ROUBLESHOOTING Continued from previous page Re-connect the convection blower motor(s) connectors. VMC-TS-013424 Re-install Install the wire support into the oven. the wires into the wire support. VMC-TS-013427 Connect the oven to electrical power. Open the gas supply. Start a manual cook. Leak check all of the fittings. VMC-TS-013430 Continued on next page Ve ct or ®...
  • Page 88 ROUBLESHOOTING Continued from previous page Re-connect the wires from the bi-metal check fans switch. Re-connect Re-install fan wires. the back panels onto the oven.  NOTE: The fans and bi-metal switch have connectors in the wire harness. VMC-TS-013433 Re-install the side panels onto the oven. Test all functions of the oven.
  • Page 89: How To Calibrate A Chamber Thermocouple

    ROUBLESHOOTING How to Calibrate a Chamber Thermocouple ▪ Before you begin The oven must be connected to electric power. ▪ Make sure you have a multimeter with a 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 90 ROUBLESHOOTING Continued from previous page Enter the pass code 6702 Touch the check mark . The general device information screen displays. XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX VMC-TS-010886 Scroll to the chamber selection buttons. XXXXX XXXXX XXXXX XXXXX XXXXX XXXXX...
  • Page 91 ROUBLESHOOTING Continued from previous page Touch the target temperature setting . The select temperature screen displays. VMC-TS-010911 Enter chamber Enter a temperature higher than the current chamber temperature temperature Touch the check mark. The target temperature is displayed. Repeat for all chambers. all chambers to the same temperature.
  • Page 92 ROUBLESHOOTING Continued from previous page Insert the Insert the thermocouple from the multimeter into the heated oven. Allow the thermocouple multimeter to stabilize. Compare the reading from the multimeter’s thermocouple with the temperature sensor reading displayed on the screen. º VMC-TS-010923 Calibrate the offset Calibrate...
  • Page 93 ROUBLESHOOTING Continued from previous page Enter the offset. To do so: Touch the “>” icon for the chamber offset temperature that needs to be calibrated. The Enter offset screen displays. VMC-TS-010926 Enter the value calibrated in step 10 and press the check mark. The multimeter temperature and the temperature sensor should show the same reading.
  • Page 94: How To Test The Probe

    ROUBLESHOOTING 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 95 ROUBLESHOOTING 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 96: Cheflinc.alto-Shaam.com Is Not Available On Your Device

    ROUBLESHOOTING Cheflinc.alto-shaam.com is Not Available on Your Device If other websites are not available, Are other websites available on your device from the contact your network provider or IT same network being used to access Cheflinc? department. If the website is not blocked, contact...
  • Page 97: Cannot Connect To Cheflinc.alto-Shaam.com

    A recovery link will be sent to the email associated with the Cheflinc account. If you are still unable to log in, contact Alto-Shaam technical support at 800-558-8744. Ve ct or ® F Se r i es Se r vi ce Man u a l...
  • Page 98: The Oven Is Not Displayed On The Dashboard

    ROUBLESHOOTING The Oven is not Displayed on the Dashboard Prerequisite: The operator is on a device connected to the Internet and is able to login to cheflinc.alto-shaam.com. See topic The Oven will not Power Up Does the oven troubleshooting tree power up? in the Service Manual.
  • Page 99: Unable To Assign Recipes From The Dashboard To Ovens In The Field

    In the dashboard, does the oven indicate it is on the Dashboard troubleshooting connected (yes) or offline (no)? tree. Contact Alto-Shaam technical support at 800-558-8744 for assistance. Ve ct or ® F Se r i es Se r vi ce Man u a l...
  • Page 100 ROUBLESHOOTING This page is intentionally left blank. V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪ ▪...
  • Page 101: Schematics

    CHEMATICS OF OVEN Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21 ▪ ▪ ▪ ▪...
  • Page 102 CHEMATICS V ec t or ® F Se ri e s Ser vi c e M an u a l MN- 4 7 20 3 Re v 0 1 1 1/ 2 1 ▪ ▪ ▪ ▪...
  • Page 103 CHEMATICS Ve ct or ® F Se r i es Se r vi ce Man u a l MN -4 7 2 03 Rev 0 1 1 1 / 21 ▪ ▪ ▪ ▪...
  • Page 156 INDIA MEXICO Pune, India Leon, Mexic o AUSTRALIA Brisbane, Queenslan d Menomonee Falls, WI U.S.A. Phone 800 -558-8 744 | +1-26 2-251-3800 | alto-shaam.co m ASIA FRANCE MEXICO Shanghai, China Aix en Provence, France Phone +52 1 477-717-3108 Phone +86-21-6173-0336 Phone +33(0)4-88-78-21-73 MIDDLE EAST &...

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