Troubleshooting
DVVA II 4000
9-8
400-42803-01 (Rev B) - July 2017
7. If the data acquisition driver has successfully loaded earlier, then an entry named
"Micromeritics DVVA" will be shown in the Device Manager window. If the driver has
failed to load, this entry will be missing.
If this entry is missing,
perform the device driver installation process described under
Action
on page
9-6
.
Lower Piston Release Procedure
Perform Action 1 below. If this does not correct the problem, perform Action 2.
Action 1
1. Ensure that the upper piston is in the raised position. If it is not, select
Unit 1 > Schematic,
then
Unit 1 > Enable Manual Control
to display the Manual Control screen.
Use the
icon next to the upper piston to raise it to its home position.
Once the instrument is functioning properly, do not turn off the computer power
switch or the DVVA MAIN POWER switch located on the rear panel of the instrument.
The DVVA II 4000 analyzer should not be connected via a USB cable to a computer
unless the DVAA II 4000 is powered (the MAIN POWER switch on the rear panel is in
the ON position).
Upper piston
manual control
Summary of Contents for DVVA II 4000
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