To Next PageTo Next PageWhy does the VAT 64246-UEHC-0001 display show «E 20» (fatal error - limit stop of valve unit not detected)?
The error «E 20» indicates a fatal error where the limit stop of the valve unit was not detected. This could be due to a clamp coupling screw not being fastened. Tighten the screw. Refer to chapter «Maintenance» for details.
What does it mean when VAT 64246-UEHC-0001 Control Unit display shows «E 40» (fatal error - motor driver failure detected)?
The error «E 40» indicates a fatal error related to motor driver failure. Replace the control and actuating unit. Refer to «Maintenance procedure».
How to troubleshoot VAT Control Unit when no dots are lighted on display?
Connect the valve to the power supply according to «Electrical connection» and ensure the power supply is working.
What to do if the VAT 64246-UEHC-0001 pressure reading is wrong or negative?
If the pressure reading is incorrect or negative, check the electrical connection of the sensor(s) and ensure the 2 sensor version is present at the valve controller. Verify the valve version and configuration. Perform ZERO when base pressure is reached. Also, verify the sensor supply voltage.
What to do if PRESSURE CONTROL does not work on VAT 64246-UEHC-0001?
If the PRESSURE CONTROL is not working on your VAT Control Unit, consider the following: * Safety mode might be active. Provide power to the motor to allow for operation. * Ensure that PRESSURE CONTROL is selected and that 'P' is displayed. If not, select PRESSURE CONTROL mode. Refer to «Pressure control» for details. * The LEARN procedure might not have been completed. Perform LEARN. Refer to «Setup procedure» for details.
What to do if VAT Control Unit shows «D C» or «D999» Motor Interlock is open?
If your VAT Control Unit display shows «D C» or «D999» indicating that the Motor Interlock is open, it might be due to the motor not receiving power. Provide power to the motor to allow for operation. For detailed instructions, refer to «Electrical connection».
What to do if CLOSE VALVE does not work on VAT Control Unit?
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.
What to do if OPEN VALVE does not work on VAT Control Unit?
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.
Why VAT Control Unit ZERO does not work?
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.
What to do if POSITION CONTROL does not work on VAT 64246-UEHC-0001?
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.
General| Brand | VAT |
|---|---|
| Model | 64246-UEHC-0001 |
| Category | Control Unit |
| Language | English |
