VAT 64246-UEHC-0001 - User Manual

Questions and Answers:

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jennifer19Sep 23, 2025
What to do if pressure is not ‘0’ after ZERO on VAT 64246-UEHC-0001 Control Unit?
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  Rose GuzmanSep 23, 2025
  If the pressure isn't ‘0’ after performing ZERO on your VAT Control Unit, it could be due to sensor voltage shifting, the system not being pumped to base pressure, or the sensor offset voltage exceeding ±1.4V. Wait until the sensor voltage stabilizes before performing ZERO. You can also try opening the valve and bringing the chamber to base pressure before performing ZERO.
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Alexander MarshallSep 18, 2025
What does error code 'E 40' mean on a VAT 64246-UEHC-0001 Control Unit?
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  brownmichaelSep 18, 2025
  Error 'E 40' indicates a motor driver failure has been detected. Replace the control and actuating unit according to the «Maintenance procedure».
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Susan PonceSep 16, 2025
What does 'SR' on the VAT 64246-UEHC-0001 Control Unit display mean and how to resolve it?
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  Linda CummingsSep 16, 2025
  The 'SR' display indicates a service request. This can be due to a heavily contaminated valve unit. Clean the valve unit according to the «Maintenance procedures». Alternatively, reset the control unit by cycling the power (OFF-ON) or sending a reset command via the service port with CV/CPA/Service Box2.
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tim80Aug 31, 2025
What to do if CLOSE VALVE does not work on VAT Control Unit?
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  Terry WolfAug 31, 2025
  If the CLOSE VALVE function is not working on your VAT Control Unit: * Check if safety mode is active (indicated by 'D' on the display) or if maintenance mode is active. Provide power to the motor to allow for operation. * Refer to «Electrical connection» for details. * Also, refer to the section for “Display shows «M C»” in this table.
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Joan GarzaAug 31, 2025
What to do if OPEN VALVE does not work on VAT Control Unit?
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  Brooke WoodAug 31, 2025
  If the OPEN VALVE function is not working on your VAT Control Unit: * Check if safety mode is active (indicated by 'D' on the display) or if maintenance mode is active. Provide power to the motor to allow for operation. * Refer to «Electrical connection» for details. * Refer to “Display shows «M100»” in this table.
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Charles GreenAug 31, 2025
Why VAT Control Unit ZERO does not work?
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  Taylor MedinaAug 31, 2025
  If the ZERO function is not working on your VAT Control Unit, it could be due to: * The valve not being in the open position. Ensure the VALVE is OPEN and the chamber is at base pressure before performing ZERO. * ZERO being disabled. Enable ZERO. Refer to «Valve and sensor configuration» for details.
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caitlyn23Sep 1, 2025
What to do if POSITION CONTROL does not work on VAT 64246-UEHC-0001?
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  Derek PattonSep 1, 2025
  If the POSITION CONTROL is not working on your VAT Control Unit, check the following: * Ensure that safety mode is not active. Provide power to the motor to allow for operation. * Verify that POSITION CONTROL is selected, indicated by 'V' on the display. If not, select POSITION CONTROL mode. Refer to «Position control» for details.
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Anthony CooperSep 1, 2025
What does «SR» (Service Request) mean on VAT Control Unit display?
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  Kimberly StoutSep 1, 2025
  If the display of your VAT Control Unit shows «SR» (Service Request), it indicates that the valve unit is heavily contaminated or the gate seal is heavily sticking. To resolve this, clean the valve and/or replace the gate seal according to «Maintenance procedures».
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philipsantosSep 23, 2025
Why is remote operation not working on my VAT 64246-UEHC-0001?
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  Teresa RiveraSep 23, 2025
  If remote operation isn't working on your VAT Control Unit, ensure that local operation via the service port is not active and that safety mode is not active (check for 'D' on the display). If either of these are the cause, switch to remote operation. Also, ensure the motor is receiving power.
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Kathryn DiazSep 18, 2025
What to do if pressure is not ‘0’ after ZERO PRESSURE CONTROL on VAT Control Unit?
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  Tracy WhitakerSep 18, 2025
  If the pressure is not '0' after performing ZERO PRESSURE CONTROL, it could be due to sensor voltage shifting; wait until the sensor stabilizes before performing ZERO. Ensure the system is pumped to base pressure; open the valve and bring the chamber to base pressure before performing ZERO. If the sensor offset voltage exceeds ±1.4V, replace the pressure gauge. Check if safety mode is active, indicated by a 'D' on the display, and provide power to the motor if necessary. Refer to «Electrical connection» for details if PRESSURE CONTROL is selected, indicated by a 'P' on the display. Ensure that LEARN has been performed.