Troubleshooting - StarLab ErgoOne 2,5 Mode D'emploi

3. Troubleshooting

The following table provides information about the possible causes
of problems with suggestions as to how these can be fixed. If you are
not able to fix the problem, your local STARLAB office will be happy
to help.
Problem
Pipette tip drips
Volume control button
sticks / not smooth
Pipette blocked, not
enough intake of liquid
Drop formation on inner
wall of pipette tip
Pipetting volume incorrect
10
Troubleshooting
Possible cause
Wrong pipette tip
Tip is loose
Tip holder loose
Debris between the tip
and tip holder
Seals/O ring damaged
Debris between the
piston and seal
Piston insufficiently lubricated
Piston contaminated
Piston damaged
Piston contaminated
Seals contaminated
Leaked solvent vapours
Liquid has penetrated
the tip holder and dried
Uneven wetting of pipette tip
Using pipette tips with poor
wetting properties
Tip taken from liquid too quickly
Liquid with high vapour
pressure used
ErgoOne User Manual
®
Action
Use TipOne®
Attach the tip securely
Tighten the tip holder
Clean the tip holder
and use new tip
Replace the affected seals/O rings
Clean the seal and piston and
re-lubricate
Clean and re-lubricate the piston
Clean and re-lubricate the piston
Replace piston and seal
Clean and re-lubricate the piston
Unscrew lower housing, clean all seals
and replace if necessary
Unscrew the lower housing and allow to
air. Clean and lightly
lubricate the piston
Unscrew lower housing and rinse with
warm water. Then rinse with dist. water
and allow to dry
Replace tip holder
Attach new pipette tip
Use original STARLAB
TipOne pipette tips
®
Extract tip from liquid slowly
Use positive displacement
system, eg. STARLAB
Dispenser RepeatOne®