Trouble shooting – BrandTech Scientific Macro Transferpettor Benutzerhandbuch
Seite 22

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Problem
Possible Cause
Corrective Action
Pipetted volume too
low/Pipetting key cannot
be pushed fully down to
the end plate.
The tip has been installed too
far into the tip mount. Piston
rod is loose.
- Remove the tip (= Transferpettor-cap).
"Changing the Tip", page 12.
- Tighten the piston rod locking device.
"To fit the new piston rod", page 17.
- Attaching the tip, page 13.
Pipette leaks.
The tip does not fit properly.
Damaged seal.
- Reinstall the tip (= Transferpettor-cap) and slide it
on again.
"Changing the Tip", page 12.
- Change the seal, page 14.
Air bubbles in the liquid
drawn in.
The liquid was drawn in too
quickly.
The tip does not fit properly.
Damaged seal.
- Let the pipetting key slide back slowly.
- Reinstall the tip (= Transferpettor-cap) and slide it
on again.
"Changing the Tip", page 12.
- Change the seal, page 14.
Liquid above the seal.
Damaged tip or seal.
- Change tip (= Transferpettor-cap) or seal.
"Changing the Tip", page 12.
"Changing the Seal", page 14.
Liquid remaining in the
tip.
Tip not properly seated.
Piston rod is loose.
Damaged seal.
- Remove the tip (= Transferpettor-cap).
"Changing the Tip", page 12.
- Tighten the piston rod locking device.
"To fit the new piston rod", page 17.
- Fit the tip, page 13.
- Change the seal, page 14.
Trouble Shooting