Instruction Manual | 15
volume should be within the permissible range shown
in the table. If the volume exceeds the values stated, the
recalibration procedure should be repeated.
When pipetting liquids with physical properties that are
considerably different from those of water, follow the
rules as described in Section 5.
9. Troubleshooting
If you notice an improper pipettor operation, identify the
cause and eliminate the fault. Follow the instructions in
the sequence provided. Replacement of parts should be
required only occasionally and should not occur under
normal pipettor use.
Problem
Cause
Solution
Droplets of
liquid remain
in the pipet
tip.
The pipet tip is
emptied too fast.
Decrease the speed
of pressing the pipettor
pushbutton.
The pipet tip
wettability has
increased due to
extensive use.
Replace the tip with
a new one.
Droplets
of air appear
in the liquid
aspirated
into the
pipet tip.
The pipet tip
immersion
is too shallow.
Immerse the tip
deeper according to the
instructions.
The pipet tip is
incorrectly pressed
onto the pipettor
shaft.
Press the pipettor firmly.
The tip is damaged
or worn out due to
extensive use.
Replace the tip with
a new one.
