Operation Manual

13
12. Trouble shooting
Symptom Possible cause Solution
Droplets left
inside the tip
Unsuitable tip Use original
Sartorius tips
Leakage or pipetted
volume too small
Non uniform wetting
of the plastic
Attach new tip
Tip incorrectly
attached
Attach firmly
Unsuitable tip Use original
Sartorius tips
Foreign particles
between tip and cone
Clean the tip cone,
attach new tip
Tip cone holder
incorrectly tightened
Tighten the tip cone
holder
Pipette damaged Return to your
Sartorius service
representative for
servicing
Pipette out
of established
specifications
Incorrect operation Follow instructions
Unsuitable tip Use original
Sartorius tips
Calibration altered Reclibrate
Operating button
jammed or moves
erratically
Liquid has penetrated
tip cone and dried
Clean and grease
the piston/seal
Clean the tip cone
Safe-Cone Filter has
been contaminated
Change filter
Insufficient amount
of grease on a piston
and seal
Grease accordingly
Tip ejector jammed
or moves erratically
Tip ejector collar has
been contaminated
Remove and clean
ejector collar and
tip cone