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