VAT 612 Series User Manual (English)

Questions and Answers:

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Michael HinesAug 28, 2025
What to do if VAT 612 Control Unit display shows «E 21» error?
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  Louis FrederickAug 28, 2025
  To resolve the 'E 21' error on your VAT Control Unit, indicating the rotation angle of the valve plate is limited during power up, first, ensure the valve plate is adjusted correctly according to the maintenance procedure. Next, clean the valve unit thoroughly, and remove any mechanical obstructions. Finally, reset the control unit by cycling the power off and on, or by sending a reset command locally via the service port using CV/CPA/Service Box2. The error might be caused by a valve plate that is not centered, a heavily contaminated valve unit, or a mechanical obstruction of the valve plate.
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James HendrixAug 28, 2025
How to troubleshoot VAT Control Unit when no dots are lighted on the display?
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  Katelyn BoydAug 28, 2025
  If no dots are lit on the VAT Control Unit display, connect the valve to the power supply as described in the electrical connection instructions and ensure the power supply is working.
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griffindavidAug 28, 2025
What does error E40 mean on VAT Control Unit display?
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  Stephanie RiveraAug 28, 2025
  If the VAT Control Unit displays 'E 40' and position '009999' (fatal error - motor driver failure detected), replace the control and actuating unit according to the maintenance procedure.
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Beth ConleyAug 27, 2025
What does D 0 mean on VAT 612 display?
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  Jeremy ValenzuelaAug 28, 2025
  If the VAT Control Unit display shows 'D 0' indicating the Motor Interlock is open, ensure that power is supplied to the motor to allow for operation. Refer to the electrical connection details for guidance.
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chad37Aug 27, 2025
What does error E20 mean on VAT 612 display?
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  Donna PhillipsAug 27, 2025
  If the VAT Control Unit display shows 'E 20' and position '009999' (fatal error - limit stop of valve unit not detected), ensure the clamp coupling screw is tightened. Refer to the maintenance chapter for detailed instructions. A RESET or restart of the valve is then necessary.
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Sandra LynchAug 27, 2025
What does error E22 mean on VAT 612 display?
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  William BeckAug 27, 2025
  If your VAT Control Unit displays 'E 22' and position '009999' (fatal error - rotation angle of valve plate limited during operation), it indicates the valve unit may be heavily contaminated or the valve plate is mechanically obstructed. You should clean the valve unit according to the maintenance procedure and resolve any obstructions. To complete the process, reset the control unit by cycling the power off and on, or send a reset command locally via the service port with CV/CPA/Service Box2.
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Tammy PetersSep 3, 2025
What should I do if VAT 612 pressure is not ‘0’ after ZERO?
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  wlunaSep 3, 2025
  If the pressure is not ‘0’ after performing ZERO, it could be due to sensor voltage shifting, the system not being pumped to base pressure, or the sensor offset voltage exceeding ±1.4V. To correct this: - Wait until the sensor does not shift any more before performing ZERO. - Open the valve and bring the chamber to base pressure before performing ZERO. - Replace the pressure gauge.
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Danielle RodriguezAug 27, 2025
What to do if VAT Control Unit CLOSE VALVE does not work?
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  Brandon LewisAug 27, 2025
  If the CLOSE VALVE function isn't working on your VAT Control Unit, check if safety mode is active (indicated by 'D' on the display) or if maintenance mode is active. Supply power to the motor to allow for operation, referring to the electrical connection details. Also, refer to the section addressing the 'Display shows «M C»' error for additional guidance.
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smithjenniferAug 27, 2025
What to do if VAT Control Unit OPEN VALVE does not work?
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  derek00Aug 27, 2025
  If the OPEN VALVE function isn't working on your VAT Control Unit, check if safety mode is active (indicated by 'D' on the display) or if maintenance mode is active. Supply power to the motor to allow for operation, referring to the electrical connection details. Consult the section addressing the 'Display shows «M100»' error for further assistance.
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Todd WeaverAug 26, 2025
How to fix VAT 612 remote operation when it does not work?
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  Aaron TownsendAug 27, 2025
  If remote operation isn't working on your VAT Control Unit, check if local operation via the service port is active and switch to remote operation. Also, verify if safety mode is active (check for 'D' on the display) and provide power to the motor to enable operation. Refer to the electrical connection details for more information.