Appendix B Frequently Asked Questions - Hach TitraLab KF1000 Series User Manual

Appendix B Frequently asked questions

Question
Why can't I load any applications
Why is the instrument not recognizing
the applications USB storage device,
even though I have removed and
reconnected the device and I see the
USB icon in the header bar
Question
How can I remove an air bubble that is trapped
on top of the syringe
Why is titrant leaking along the sealing above
the electrovalve
Why is titrant leaking along the sealing below
the electrovalve
On my two pump instrument, using the Pump
activation option, why is the reagent not being
delivered into the beaker
Question
How can I retrieve my password to access expert mode
Table 24 Application files
Cause
Wrong file placement on the
USB storage device
The user is not in the home
screen
Reconnecting the device has
been done too quickly
Table 25 Mechanical
Cause
Air bubbles are trapped in
the syringe
The tubes have not been
correctly installed
The syringe has not been
installed tight enough
The electrovalve is leaking
The procedure is not being
done on the correct pump
The active pump is not the
correct pump
The pump is defective
Table 26 Password
Procedure
Make sure that the file path on the USB storage
device is correct
Push the Home key to make sure that you are in
the home screen before connecting the USB
storage device
Remove the device and wait until the icon
disappears from the header bar, then push the
Home key to make sure that you are in the home
screen before reconnecting the device
Procedure
Select the Purge option on the instrument to
purge the syringe of air bubbles (refer to
Prepare the instrument for measurement
on page 27)
Turn the tube connector until a "click" is
heard
Make sure that the syringe is installed
correctly
Change the electrovalve as described in
Replace the syringe electro-valve block
on page 40
Select the Pump activation option on the
instrument, and Toggle the pumps to make
sure that the correct pump is being used
Change to expert mode and change the
name of the pump
Change the pump as described in
cassette replacement
Procedure
Contact technical support
Pump
on page 42
63