Metrohm 864 Robotic Balance Sample Processor - Manual (Page 76)

5.3 Pipetting tips ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
68 ￭￭￭￭￭￭￭￭ 864 Robotic Balance Sample Processor
Problem Cause Remedy
The results are
spread widely. The weighings are not cor-
rect. ￭ Readjust the weighing plunger (see
"Adjusting the weighing plunger", page
53).
￭ Correct the position of the balance (see
"Centering the weighing column", page
52).
￭ Adjust the leveling of the sample beakers in
the weighing pans.
5.3 Pipetting tips
Problem Cause Remedy
The pipetting tip is
dripping. The pipetting tip does not
rest close on the adapter. Reset the lift position for picking up tips (see
page55).
The screw connection of
the adapter is not seated
firmly. Tighten all thread connections.
The pipetting tip is
not stripped. The lift height for stripping
tips is not correct. Reset the lift position for stripping tips (see
page56).
The collection container is
full. Regularly empty the collection container.