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Troubleshooting
Trouble
- Tip dripping (instrument leaks)
- Aspirated volume too low
- Delivered volume too low
- Slow suction or none
- Volume too high
Possible Causes
- Unsuitable tip
- Tip not seated tightly
- Pipette shaft cone loose
- Seal contaminated
- Seal damaged
- Non-aqueous solutions pipetted
- Piston damaged
- Shaft clogged
- Pipetting key pressed too far
(into the blow-out position)
before sample take up.
- 25 -
Action to be taken
- Only use high-quality tips
- Press tip on firmly
- Tighten clockwise see "Han-
dling", page 8
see "Cleaning", page 19
see "Specifications/Spares",
page 26
see "Adjustment", page 14
see "Spares", page 26
- Clean shaft
see "Cleaning", page 19
- Operate properly
see "Pipetting", page 11
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