Troubleshooting - Biohit Mline Bedienungsanleitung

12. Trouble shooting
Symptom
Droplets left inside
the tip
Leakage or pipetted
volume too small
Pipettor out of
established
specifications
Operating button
jammed or moves
erratically
Tip ejector jammed
or moves erratically
Possible cause
Unsuitable tip
Non-uniform wetting
of the plastic
Tip incorrectly
attached
Unsuitable tip
Foreign particles
between tip and
tip cone
Tip cone holder
incorrectly tightened
Pipettor damaged
Incorrect operation
Unsuitable tip
Calibration altered
Liquid has penetrated
tip cone and dried
Safe Cone filter has
been contaminated
Insufficient amount of
grease on a piston
and seal
Tip ejector collar has
been contaminated
15
Solution
Use original tips
Attach new tip
Attach firmly
Use original tips
Clean the tip cone,
attach new tip
Tighten the tip
cone holder
Return to your
Biohit service
representative
for servicing
Follow instructions
Use original tips
Recalibrate
Clean and grease
the piston/seal
and the tip cone
Change filter
Grease accordingly
Remove and clean
the ejector collar
and tip cone