Troubleshooting – BrandTech Scientific Transferpette S -8/-12 User Manual
Page 51
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English
51
Troubleshooting
Problem
Possible cause
Corrective action
Tip dripping
(instrument leaks)
Unsuitable tip
Only use high-quality
tips
Tip not seated tightly
Press tip on firmly
The instrument does
not aspirate or as-
pirates too little; the
discharged volume
is too low.
Seal contaminated
Clean seal
The seal or cone is
damaged
Replace seal or shaft
The piston is contami-
nated or damaged
Clean or replace piston
Aspiration is
too slow
Shaft clogged
Clean shaft
Discharged volume
is too large
Pipetting button
pressed too far into
the blow-out position
before sample uptake
Operate properly.
See 'Pipetting',
page 34.
Piston is difficult
to move
The piston is contami-
nated or needs oil
Clean and oil the piston
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