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