Troubleshooting - StarLab Ergo One 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 prob-
lem, 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
8
· ErgoOne · User Manual
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
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
®