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Troubleshooting
Solvent Monitor
Installation Guide
Page 37
Volume accuracy
Symptom
Possible cause
Remedial actions
Volume inaccuracy
is above ±15% of
the nominal bottle
volume
Wrong connection of solvent
monitor line
Connect the solvent monitor line to the correct solvent
reservoir/waste container (see solvent monitoring
channel assignment table in
).
Mismatch between actual
solvent reservoir/waste
container size and entered
nominal volume
Enter the correct nominal value for the used solvent
reservoir/waste container. The previous calibration
data will be erased, and an initial volume estimation
will be given.
The solvent was changed to
a solvent with a significantly
different density while the
solvent reservoir size
remained the same.
The calibration data from the previous solvent does not
match the actual solvent.
Wait until the solvent monitor has finished
recalibration which typically takes a solvent
consumption of:
•
5% of the nominal solvent reservoir volume
withdrawal if the fill level is significantly below the
bottle neck.
•
25% of the nominal solvent reservoir volume
withdrawal if the fill level is within bottle neck.
Self-calibration erroneous
because the dipstick was
moved during the
calibration phase
Make sure that the dipstick stands straight in the
solvent reservoir/waste container and that the end cap
is placed on the bottom of the solvent reservoir/waste
container. The solvent monitor will then finish the
calibration successfully.
Solvent reservoir does not
comply with the
requirements/recommenda-
tion (see
Start the pump flow and wait until the self-calibration
has finished.
Solvent monitor line is
damaged.
1. Check whether the solvent monitor line is bent or
otherwise damaged.
2. Cut 1 cm from the solvent monitor port end with the
capillary cutter.
3. Check whether there is liquid in the solvent monitor
line. If yes, replace it.
