12
12. Troubleshooting
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
Tip incorrectly attached
Unsuitable tip
Foreign particles between tip and cone
Tip cone holder incorrectly tightened
Pipette damaged
Attach new tip
Attach firmly
Use original Sartorius tips
Clean the tip cone, attach new tip
Tighten the tip cone holder
Return to your Sartorius service representative for
servicing
Pipette outside the established
specifications
Incorrect operation
Unsuitable tip
Calibration altered
Follow instructions
Use original Sartorius tips
Reclibrate
Operating button jammed or
moves erratically
Liquid has penetrated tip cone and dried
Safe-Cone Filter has been contaminated
Insufficient amount of grease on a piston
and seal
Clean and grease the piston | seal
Clean the tip cone
Change filter
Grease accordingly
Tip ejector jammed or moves
erratically
Tip ejector collar has been contaminated Remove and clean ejector collar and tip cone
13. Warranty information
The Proline
®
Plus pipettes are covered by warranty for 2 years against
defects in materials and workmanship. Should your pipette fail to
function at any time, please contact your local Sartorius representative.
ANY WARRANTY WILL, HOWEVER, BE DEEMED AS VOID IF FAULT
IS FOUND TO HAVE BEEN CAUSED BY MALTREATMENT, MISUSE,
UNAUTHORIZED MAINTENANCE OF SERVICE OR NEGLIGENCE
OF REGULAR MAINTENANCE AND SERVICE, ACCIDENTAL
DAMAGE, INCORRECT STORAGE OR USE OF THE PRODUCTS FOR
OPERATIONS OUTSIDE THEIR SPECIFIED LIMITATIONS, OUTSIDE
THEIR SPECIFICATIONS, CONTRARY TO THE INSTRUCTIONS GIVEN
IN THIS MANUAL OR WITH OTHER THAN THE MANUFACTURER’S
ORIGINAL TIPS.
Each Proline
®
Plus pipette is tested before shipping by the
manufacturer. The Sartorius Quality Assurance Procedure guarantees
that the Proline
®
Plus pipette you have purchased is ready for use.
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